Gotowe bibliografie tematyczne / Reinforced concrete load bearing walls

Gotowa bibliografia na temat „Reinforced concrete load bearing walls”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lutego 2023

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Artykuły w czasopismach na temat "Reinforced concrete load bearing walls"

Buchanan, A., i V. Munukutla. "Fire Resistance Of Load- Bearing Reinforced Concrete Walls". Fire Safety Science 3 (1991): 771–80. http://dx.doi.org/10.3801/iafss.fss.3-771.

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Naito, C. J., i K. P. Wheaton. "Blast Assessment of Load-Bearing Reinforced Concrete Shear Walls". Practice Periodical on Structural Design and Construction 11, nr 2 (maj 2006): 112–21. http://dx.doi.org/10.1061/(asce)1084-0680(2006)11:2(112).

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Skadiņš, Ulvis, Kristens Kuļevskis, Andris Vulāns i Raitis Brencis. "Thin-Layer Fibre-Reinforced Concrete Sandwich Walls: Numerical Evaluation". Fibers 11, nr 2 (9.02.2023): 19. http://dx.doi.org/10.3390/fib11020019.

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In this study, structural thin-layer sandwich walls (SWs) made of steel-fibre-reinforced concrete (SFRC) without conventional reinforcements were investigated. Other researchers have shown that SWs with thin wythes can be used as load bearing structures in low-rise buildings, thereby reducing the amount of concrete by 2–5 times if compared to conventional reinforced-concrete SWs. In most studies, relatively warm climatic regions are the focus, and thin-layer SWs with shear connectors to obtain a certain level of composite action are investigated. In almost no studies has sound insulation been evaluated. In this study, a numerical investigation of structural, thermal and sound insulation performances was carried out. The load-bearing capacities of composite and non-composite SWs are compared. Regions with the lowest five-day mean air temperature of −20 ∘C were considered. The characteristics of the SW are compared to the requirements given in relevant European and Latvian standards. The minimum thermal insulation for family houses varies from 120 mm to 200 mm, depending on the material. To ensure sufficient sound insulation, the average thickness of the concrete wythes should be around 60 mm, preferably with a 15 mm difference between them. Structural analysis of the proposed wall panel was performed using non-linear finite element analysis software ATENA Science. The obtained load-bearing capacity exceeded the design loads of a single-story family house by around 100 times, regardless of the degree of composite action.

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Zhao, Jun, i Meng Yao. "Experimental Study on Load Behavior of Steel Fiber Concrete Coupled Shear Wall". Applied Mechanics and Materials 438-439 (październik 2013): 682–85. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.682.

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Through low cycle reverse tests of three steel fiber reinforced concrete coupled shear walls, the crack pattern, bearing capacity, stiffness and displacement are analyzed. Test results show that the bearing capacity, yielding stiffness and the anti-crack performance of the coupled shear walls are generally improved by adding steel fibers to reinforced concrete coupling beams, and the stiffness degeneration is also reduced to a certain degree. More cracks are induced by steel fibers bridged the main crack, which can make the shear wall consume more energy.

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Wu, Qin, Huagang Zhang, Hongniao Chen, Xin Zhang, YanHui Wei, Li Li i Kejian Ma. "Seismic Behaviour of Cast-In-Situ Phosphogypsum-Reinforced Concrete Grid Frame Composite Walls". Advances in Civil Engineering 2019 (4.11.2019): 1–17. http://dx.doi.org/10.1155/2019/1529137.

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This paper mainly studies the effect of cast-in-situ phosphogypsum on seismic behaviour of reinforced concrete grid frame. The mechanical behaviour of three reinforced concrete grid frames and four cast-in-situ phosphogypsum-reinforced concrete grid frame composite walls under low cycle alternating load was designed and tested. The test results show that the reinforced concrete grid frame has less bearing capacity and poor energy consumption. The addition of cast-in-situ phosphogypsum can effectively improve the seismic behaviour of the reinforced concrete grid frame. Compared with the reinforced concrete grid frame, the bearing capacity of the cast-in-situ phosphogypsum-reinforced concrete grid frame composite wall is increased by 2-3 times, the displacement ductility coefficient is increased by 0.95∼1.2 times, and the relative accumulative energy consumption is increased by 86%∼216%. This shows that the composite wall has better bearing capacity, ductility, and energy dissipation capacity.

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Гриньова, Ірина, Дамір Штухец, Кос Желько i Ален Бартош. "BEARING CAPACITY OF DAMAGED REINFORCED CONCRETE STRUCTURES". Молодий вчений, nr 11 (111) (30.11.2022): 1–3. http://dx.doi.org/10.32839/2304-5809/2022-11-111-1.

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The main factors affecting the load-bearing capacity of new and reinforced concrete structures are given. One of the most common types of damage to reinforced concrete buildings is their cracking. According to statistics, the most frequent reasons for the formation of cracks in reinforced concrete structures are: uneven settlement of foundations, load on structures, temperature deformations, moisture deformations. The load-bearing capacity of walls depends on the compressive strength of concrete and fittings, but it is difficult to make correct assumptions about these values. The main goal of the work is the analysis of the current state of affairs in the study of the technical condition of cultural heritage objects, the main types of damage and their causes. In order to improve the methodology of the non-destructive research method, laboratory tests were conducted in the OSACEA laboratory. Based on the obtained experimental data, it was proposed to model stone pillars with damage similar to the actual experiment in the SP COMPEX software complex.

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Liu, Yi, i J. L. Dawe. "Analytical modeling of masonry load-bearing walls". Canadian Journal of Civil Engineering 30, nr 5 (1.10.2003): 795–806. http://dx.doi.org/10.1139/l03-036.

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An analytical technique was developed and encoded for computer application to study the behaviour of concrete masonry load-bearing walls under various loading conditions. Both geometrical and material nonlinearities to account for the moment magnification effect and the degradation of material stiffness are included in the development. Effects of vertical reinforcing steel, masonry tensile cracking, and compressive crushing are included directly in the momentcurvature relationship, which is used in the determination of element stiffnesses at successive load increments. A parametric study was conducted following verification of the analytical model by comparing results with experimental test data. Effective flexural rigidity (EIeff) values at failure were obtained analytically and compared with values suggested in the Canadian masonry code CSA-S304.1-M94. It was concluded that CSA-S304.1-M94 tends to underestimate EIeff values for reinforced walls and thus leads to a conservative design over a range of parameters. Based on approximately 500 computer model tests, a lower bound bilinear limit for the effective rigidity of reinforced masonry walls was established. This limit is believed to provide an accurate and realistic estimate of EIeff.Key words: walls, load bearing, masonry, analytical, nonlinear, rigidity, stressstrain, momentcurvature.

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Sazonova, S. A., S. D. Nikolenko, T. V. Zyazina, E. V. Chernyshova i I. M. Kazbanova. "Strength test of the industrial building’s load-bearing structures". Journal of Physics: Conference Series 2373, nr 2 (1.12.2022): 022016. http://dx.doi.org/10.1088/1742-6596/2373/2/022016.

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Abstract Experimental studies were carried out in the molding shop. Tests were carried out for brickwork materials of enclosing walls by the shock pulse method. The compressive strength grades of ceramic brick fences and cement-sand mortar were determined experimentally. When testing concrete, a non-destructive strength control method and the necessary devices were used. The concrete class was determined by compressive strength in reinforced concrete columns of the building, in reinforced concrete beams of the coating and in reinforced concrete slabs of the coating. According to the proposed methodology, verification calculations were carried out. The verification calculations showed sufficient bearing capacity of the columns and foundations of the workshop building and the coating beams for the full design load. A calibration calculation of the workshop frame was also performed, which showed sufficient strength of the entire load-bearing structures of an industrial building. The proposed methodology can be used for testing similar building materials and objects.

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Dong, Hong Ying, Wan Lin Cao i Jian Wei Zhang. "Experimental Study on the Torsional Behavior of RC Composite Core Walls with Steel Tube-Reinforced Concrete Columns and Concealed Steel Trusses Subjected to the Combined Action of Multi-Directional Stresses". Advanced Materials Research 250-253 (maj 2011): 1612–17. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1612.

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An experimental study on the torsional behavior of two 1/6 scale core walls: one reinforced concrete core wall with concealed steel trusses and steel tube-reinforced concrete columns, and one normal reinforced concrete core wall, was carried out under eccentric horizontal cyclic loading. The torsional load-bearing capacity, torsional angle ductility, torsional hysteresis characteristics, torsional stiffness and its deterioration process, torsional energy dissipation and damage characteristics of the two specimens are herein discussed. Results show that the torsional performance of RC core walls can be improved by embedding the concealed steel trusses in the walls and setting the steel tube-reinforced concrete columns as boundary-columns.

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Kang, Yan Bo, Shi Min Huang i Qiu Lai Yao. "Seismic Analysis on Masonry Structures Strengthened with Reinforced Concrete Splint". Advanced Materials Research 639-640 (styczeń 2013): 1114–19. http://dx.doi.org/10.4028/www.scientific.net/amr.639-640.1114.

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Strengthening the brick walls with reinforced concrete splint is a conventional and effective method of strengthening masonry structures. To the method, the text process and analysis of 6 brick walls strengthened with reinforced concrete splint and the existing calculation analysis method about bearing capacity are introduced in this paper. Through the series of low-cycle repeated load experiments, we study the different performance between unreinforced brick wall and brick wall strengthened with reinforced concrete splint. Based on the analysis, we find the seismic capacity of the brick wall strengthened with reinforced concrete splint such as the bearing capacity and ductility is enhanced clearly. Meanwhile, the calculation parameter in technical specification for seismic strengthening of buildings has good accordance with the experiment results.

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Rozprawy doktorskie na temat "Reinforced concrete load bearing walls"

Doh, Jeung-Hwan, i n/a. "Experimental and Theoretical Studies of Normal and High Strength Concrete Wall Panels". Griffith University. School of Engineering, 2003. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20030605.114125.

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The wall design equations available in major codes of practice (e.g. AS3600 and ACI318) are intended for the design of normal strength concrete load bearing walls supported at top and bottom only. These codes fail to recognise any contribution to load capacity from restraints on the side edges. They also fail to give guidance on the applicability of the equations to high strength concrete. Further, they do not consider slender walls. In many situations walls have side edges restrained and are composed of high strength concrete with high slenderness ratios. The recognition of these factors in the codes would result in thinner walls and consequently savings in construction costs. In this thesis, the focus is on the development of a design formula and new design methods for axially loaded reinforced concrete wall panels. The design of walls having side restraints and being composed of high strength concrete is given particular attention. An experimental program has been undertaken to obtain data for the derivation of applicable formulae and to verify the analytical methods developed herein. Note that, the test results and other data available in published literature have also been used to develop the design formula. The formula encompasses effective length, eccentricity and slenderness ratio factors and is proposed for normal and high strength concrete walls simply supported at top and bottom only (one-way) and simply supported on all four sides (two-way). The major portion of the experimental program focuses on a series of normal and high strength concrete walls simply supported at top and bottom only (one-way), and simply supported on all four sides (two-way) with eccentric axial loading. The behaviour of the test panels is noted, particularly the difference between the normal and high strength concrete panels. A Layer Finite Element Method (LFEM) is used as an analytical tool for walls in two-way action. The LFEM gives comparable results to the test data and the proposed design formula. As part of the research, a program named WASTABT has also been developed to implement a more accurate analytical method involving the instability analysis of two-way action walls. WASTABT is proven to be a useful design tool in situations where the walls have (i) various reinforcement ratio in one or two layers; (ii) composed of normal or high strength concrete; (iii) various eccentricity.

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Doh, Jeung-Hwan. "Experimental and Theoretical Studies of Normal and High Strength Concrete Wall Panels". Thesis, Griffith University, 2003. http://hdl.handle.net/10072/366176.

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Mohamamdpour, Lima Mehdi. "Experimental and Numerical Study of RC Walls with Opening Strengthened by CFRP". Thesis, Griffith University, 2016. http://hdl.handle.net/10072/367903.

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Concrete structures regularly require strengthening due to various reasons. These structures include bridges, buildings and infrastructure, across numerous sectors and industries. Based on the load-carrying capacity of structures and proposed future applications, a vast array of strengthening methods may be utilised. Due to rapid advancements in construction materials, technology has led to the achievement of being able to secure safer, more economical and functional buildings. Of the innovative materials, Fibre Reinforced Polymer (FRP) appears to be an encouraging solution for the retrofitting and strengthening of Reinforced Concrete (RC) structures because of its unique properties. These properties include: high strength-to-weight ratio; high fatigue endurance; environmental degradation and corrosion resistance. FRP is also durable and very flexible for application to the various shapes of structural members. Further, it is easy to install, with a negligible increase in structural size and weight. The application of FRP is dependent upon the type of structural member plus its behaviour. It can be used to enhance the load capacities (axial, flexural, or shear), ductility, rigidity, the remaining fatigue life as well as the durability against harsh environments.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Engineering
Science, Environment, Engineering and Technology
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Lee, Dong-Jun. "Experimental and Theoretical Studies of Normal and High Strength Concrete Wall Panels with Openings". Thesis, Griffith University, 2009. http://hdl.handle.net/10072/366995.

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The simplified wall design formulae specified in the Australian (AS3600) and American (ACI318) concrete standards are intended for the design of normal strength concrete load bearing walls supported at top and bottom only. These practical codes fail to recognise any contribution to load capacity from restraints on all four sides, and do not provide recommendations and design equations for walls with openings (window and door). Also the current code methods are not applicable to the design of walls with high strength concrete (f’c>65MPa) or high slenderness ratios (H/tw>30). In many practical situations wall panels are restrained on all four sides and have openings. In other cases, high strength concrete walls may have reduced their thickness leading to a high slenderness ratio. The recognition and inclusion of such factors lacking in the current codes would result in more reliable and applicable design methods. A total of forty-seven (47) reinforced concrete wall panels were tested in the laboratory in three stages. Seventeen (17) walls with one and two openings in one-way action were tested in Stage one and eighteen (18) identical walls in two-way action were tested in Stage two. In the first two stages, the test panels had slenderness ratios between 30 and 40 and were of higher concrete strengths from 50MPa to 100MPa, and were subjected to a uniformly distributed axial load with an eccentricity of tw/6. In addition to highlighting the experimental set-up, typical crack patterns, failure modes, load- deflection behaviour and ultimate loads were also reported in some detail. Finally twelve (12) wall panels were tested in Stage three to investigate the behaviour of concrete wall panels with various opening configurations including wide window and door type with asymmetric location. The test panels had a constant slenderness ratio of 30 and a concrete strength of 65MPa. The same eccentric loading was applied and the panels were tested in both one- and two-way action. Utilising these test results, an empirical formula predicting the ultimate load of walls with openings was proposed. A favourable comparison between the predicted results and the test data (including the present and other experimental test results) indicates that the proposed formula is accurate and reliable for use in design. A numerical study was also undertaken to verify the effectiveness of the Layered Finite Element Method (LFEM) in predicting the failure characteristics of reinforced concrete walls with openings. The LFEM was used to model, six (6) normal strength concrete walls tested by Saheb and Desayi and thirty-five (35) concrete wall panels with openings tested in this research. The ultimate loads, load-deflection responses up to failure, deflected shapes and crack patterns predicted by the LFEM were compared favourably to the experimental observations. The comparative study also confirmed that the LEFM is a reliable and effective numerical modelling technique for determining ultimate load capacity of high strength concrete walls with high slenderness ratio and various opening configurations. Upon verification, the LFEM was then used as an effective tool to undertake three parametric studies, on a wide range of opening configurations, slenderness ratios and concrete strengths. The purpose of these parametric studies was threefold: (1) to provide missing data that were not covered by the code methods and existing empirical formulae due to their limited scope; (2) to conduct LFEM simulations which helped to reduce the number of labour intensive and very costly laboratory tests; (3) to validate the performance of the proposed formula in predicting the load carrying capacity of wall panels with openings. In total, 20, 64 and 108 wall models were analysed respectively for three parametric studies. The study confirms the accuracy and reliability of both the LFEM and the proposed formula. To this end, both the LFEM and the proposed formula can be used as an effective tool for the analysis and design of normal and high strength concrete walls with openings and high slenderness ratios performing in both one-and two- way action.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Engineering
Science, Environment, Engineering and Technology
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Kudličková, Jitka. "Nosná konstrukce horského hotelu". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265675.

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Master’s thesis is based on analysis and design of a load bearing structure of an mountains hotel. Mountain hotel schould be realized in the village Vernirovice in Šumperk district. The proposed structure is formed 4th floors. In 1.NP is a restaurant, a sports and wellness center. In 2.NP in the right side is situated the swimming pool. In 2 to 4 floor are located rooms. This structure is supported with a strip footing made of reinforced concrete. The main load-bearing elements in the vertical direction are in 1.NP reinforced concrete walls and columns, the upper floors bearing masonry walls of ceramic blocks THERM. The inner support walls are 300 mm thick, outside support walls are 400 mm thick. Floors are constructed of carrying plates with girders above the larger openings. These plates and girders are made of reinforced concrete. In the 2 floor are beams with the span of 8,8 m. These girders are designed of prestressed concrete cause the large loads. Individual levels are connected with monolithic concrete staircases. Around the middle of the building is a monolithic reinforced concrete elevator shaft. The highest elevation above grade level is 16 m. The thesis also deals with relevant drawing documentations for chosen parts of construction.The building is located in the ski area VI and IV wind areas.

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Martínek, David. "Nosná konstrukce polyfunkčního domu". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372151.

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Master´s thesis is based on analysis and design of a load-bearing structure of multifunctional house. The main load-bearing elements in the vertical direction are the monolithic reinforced walls and the main load-bearing elements in the horizontal direction are monolithic reinforced concrete plates. The connection of individual floors is made of monolithic reinforced concrete staircases. The foundation of the building is realized through a system of strips foundation. Design drawings are made to selected elements of the structure.

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Nečas, Daniel. "Nosná konstrukce bytového domu Palackého třída 24, Brno". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225911.

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Master’s thesis is based on analysis and design of a load bearing structure of an apartment block. This structure is supported with a strip footing made of reinforced concrete. The above-ground part of designed structure consists of brick masonry. Floors are constructed of carrying plates. These plates are made of reinforced concrete and precast boards (prestressed concrete). Individual levels are connected with monolithic concrete staircases. The thesis also deals with relevant drawing documentations for chosen parts of construction.

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Velecký, Tomáš. "Polyfunkční dům". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409783.

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This diploma thesis is focused on design cast-in-place reinforced concrete structure multi-storey multifunctional building according to the source material. Specifically, foundation slab and external wall in B1 taking into account the waterproofness of the construction. Then staircase, column in lowest storey and two floor slab are designed as selected load-bearing structure. Elements are dimensioned according to ČSN EN 1992-1-1: Design of concrete structures - general rules and rules for building structures. In the drawing part of the diploma thesis are drawn drawings of the shapes and reinforcement.

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Svobodová, Barbora. "Statické řešení bytového domu". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240142.

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The master's thesis deals with static analysis of selected reinforced concrete elements of an apartment building. Specifically solved are the reinforced concrete slab of above-ground floor, point-supported slab of underground garage, the most exposed column, staircase, load-bearing wall of shear core, external load-bearing wall and building foundation on piles. Load effects were calculated using the Axis VM 12 software. Design of foundation was solved in the Geo 5 software. The thesis includes shape drawing documentation of selected elements.

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Wong, Sze-man. "Seismic performance of reinforced concrete wall structures under high axial load with particular application to low-to moderate seismic regions". Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B34739531.

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Książki na temat "Reinforced concrete load bearing walls"

Leonovich, Sergey, Nikolay Chernoivan, Viktor Tur i Dmitriy Litvinovskiy. Technology of reconstruction of buildings and structures. ru: INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1867636.

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The monograph provides the basics of technology for the production of general construction and finishing works performed during the reconstruction of existing industrial and civil facilities: strengthening and restoration of exploited structures, as well as the construction of new buildings and structures designed at the reconstructed facility. The issues of conducting field surveys of operated buildings and structures in order to prepare a conclusion on the technical condition of load-bearing and enclosing structures are considered. The main design solutions and technology of work during the reconstruction (repair, reinforcement) of load-bearing and enclosing structures of operated facilities made of the following materials are given: monolithic and precast reinforced concrete; metal structures; brickwork; elements of wooden structures. The technology of rehabilitation (repair) of finishing coatings is given: monolithic plaster, wall and floor cladding with ceramic tiles and synthetic coatings, as well as repair of surfaces lined with slabs made of natural materials (granite, marble). The effective technology of construction of building structures of shallow foundations, double-layer insulated brick walls, buildings with a monolithic reinforced concrete supporting frame; the device of a waterproof carpet made of PVC membranes, etc. are described. For civil engineers. It can be useful for students, postgraduates and teachers of technical universities.

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Alekseenko, Vasiliy, i Oksana Zhilenko. Design, construction and operation of buildings in seismic areas. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1000210.

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The main purpose of the textbook is to acquaint students and engineers with the principles of design and construction of buildings and structures in seismic areas. The tutorial sets out the basic principles of design and construction of frame, large-panel buildings, buildings with load-bearing walls made of small-piece stones and large blocks, buildings made of local materials, frameless buildings made of monolithic reinforced concrete. The design requirements for buildings in earthquake-prone areas are described, and the main requirements for the production of works and implementation of anti-seismic measures during construction are outlined. Architectural, construction, design and technological aspects of construction in seismic areas are revealed. Meets the requirements of Federal state educational standards of higher education of the latest generation. It is intended for students studying in the areas of training 08.03.01 and 08.04.01 "Construction" in the following disciplines: "Design, construction and operation of buildings in seismic areas", "Theory and design of buildings and structures in seismic areas".

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Części książek na temat "Reinforced concrete load bearing walls"

Altoubat, Salah, Abdul Saboor Karzad, Moussa Leblouba, Mohamed Maalej i Pierre Estephane. "Masonry Walls Strengthened with Fiber Reinforced Concrete Subjected to Blast Load". W RILEM Bookseries, 883–94. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58482-5_78.

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Hong, Yihong. "Experimental Study of Reinforced Concrete Beams Strengthened with CFRP". W Lecture Notes in Civil Engineering, 103–8. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_10.

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AbstractTo test the strengthening effect of CFRP sheets on reinforced concrete (RC) beams, an experimental study was performed on five RC beams to analyze the influence of the amount of CFRP sheets and the sustained load of RC beams on the strengthening effect. The results showed that CFRP sheets could significantly improve the bending bearing capacity of the beams. However, there was no linear relationship between the amount of CFRP sheets and the strengthening effect, and the load on the beams had a great impact on the rigidity of the beams in the yield stage.

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Pavlov, Aleksey, Aleksey Khegai i Tatiana Khegai. "Load-Bearing Capacity and Curvature of Steel-Fiber-Reinforced Concrete Bending Elements". W XV International Scientific Conference “INTERAGROMASH 2022”, 2367–77. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21432-5_258.

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Karpiuk, Irina, Vasily Karpiuk, Roman Hlibotskyi i Oleksandr Posternak. "Load-Bearing Capacity of Damaged Concrete Beams with Basalt Plastic Fittings, Reinforced with External Fiber-Reinforced Plastics". W Lecture Notes in Civil Engineering, 124–35. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14141-6_13.

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Hinzen, M., A. Hatting i W. Brameshuber. "Influence of Textile Alignment, Moisture and Shape of Specimens on First Crack Load and Load Bearing Behavior of Textile Reinforced Concrete Containing Short Fibers". W High Performance Fiber Reinforced Cement Composites 6, 455–62. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2436-5_55.

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Morita, Takeshi, Heisuke Yamashita, Masuhiro Beppu i Makoto Suzuki. "A Study on Structural Behavior of Reinforced Concrete Walls Exposed to Hydrocarbon Fire Under Vertical Load". W Fire Science and Technology 2015, 299–308. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0376-9_30.

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Kramarchuk, Andrii, Borys Ilnytskyy i Nadiia Kopiika. "Ensuring the Load-Bearing Capacity of Monolithic Reinforced Concrete Slab Damaged by Cracks in the Compressed Zone". W Lecture Notes in Civil Engineering, 217–29. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14141-6_21.

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Jia, Yueqiao, i Jeffrey Choong Luin Chiang. "Finite Element Analysis of Punching Shear of Reinforced Concrete Mushroom Slab-Column Connections Using ABAQUS". W Advances in Frontier Research on Engineering Structures, 83–91. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_8.

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AbstractCapital is one of the common measures to strengthen the slab-column connections. It can make the joint's load capacity increase. However, when the connection is subjected to the unbalanced bending moment, the reduction effect of the capital on the bending moment is to be studied. Nonlinear finite element analysis is performed on reinforced concrete slabs with column capital for various moment-to-shear (M/V) ratios. The effect of capital radius on the punching shear resistance of slab-column connections is investigated. The 3D finite element modeling is performed using the concrete damage plasticity model and concrete constitutive equations. The concrete damage plasticity model parameters are calibrated by the experiment results of specimens. Increasing the radius of capital can improve the bearing capacity of nodes and reduce the moment transfer effect obviously.

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Chen, Hao, Fengchi Wang, Gang Xu i Lilong Guo. "Laboratory Model Test of Eco-Concrete Slab Slope Protection". W Lecture Notes in Civil Engineering, 358–67. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_33.

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AbstractIn order to study the protective effects of eco-concrete slope and the influencing factors of eco-concrete slope deformation. The displacement characteristics and ultimate bearing capacity of the slope model under different geometric parameters are obtained through the laboratory model test of eco-concrete slope protection, and the influence laws of slope deformation under different protection slope conditions are summarized, as well as the influence laws of soil compaction, soil moisture content and slope ratio on the horizontal displacement restraint capacity and stability of the slope. Compared with the unprotected slope, the ultimate load of the reinforced concrete slab slope and the ordinary concrete slab slope are increased by 2.2 times and 2.4 times respectively, and the horizontal displacement restraint capacity of the slope is increased by 29.3% and 51.6% respectively. The moisture content, compactness and slope gradient of slope soil have a certain influence on the deformation restraint capacity of slope protected by vegetation concrete slab.

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Mailyan, Levon R., Sergey A. Stel’makh, Evgenii M. Shcherban’, Mikhail G. Kholodnyak, Alla S. Smolyanichenko, Ivan A. Parinov i Alexander V. Cherpakov. "Calculation of the Load-Bearing Capacity of V-, CF-, and VCF-Reinforced Concrete Columns, Taking into Account the Standard, Aggregate, and Local Characteristics of Concrete". W Management of Structure Formation and Properties of Cement Concretes, 95–121. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-08919-0_5.

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Streszczenia konferencji na temat "Reinforced concrete load bearing walls"

Cremens, Olivier, Benoit Meulewaeter, Luai Al Kurdi i Sami Bishara. "First operational ground floor building using load bearing 3D printed elements". W IABSE Congress, Christchurch 2021: Resilient technologies for sustainable infrastructure. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/christchurch.2021.0792.

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Generally, 3D-printed buildings combine 3D-printing technology with reinforced concrete using 3D- printed elements as lost formwork or cladding elements rather than structural elements.Thanks to the joint efforts of the Project Developer, Lead design and Construction Supervision Consultant (AECOM) and BESIX3D (Contractor) the first operational building with structural load bearing 3D-printed walls will be completed by early 2020 in Abu Dhabi (U.A.E).The engineering design approach is based on ACI codes together with various tests results. From concept to execution, all steps focused on successfully integrating 3D-printed structural elements to minimize manpower, material and equipment to improve the sustainability of this pilot project leading the way for more durable construction in the future.

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Carstens, Stefan, i Matthias Pahn. "Pull-Out Capacity of GFRP Connectors in the Edge Area of Precast Concrete Sandwich Walls". W IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.1282.

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Precast concrete sandwich panels are used to fulfil the rising thermal requirements. The sandwich walls consist of three layers, a facing, a thermal insulation layer and a load-bearing layer. The two outer layers are coupled by connectors made of glass-fibre reinforced polymer. The connectors are loaded primarily in tension. Their failure mode under short-term tensile load is a combination of a concrete breakout and bond failure modes. In the edge area, the concrete breakout can not be fully developed, resulting in a reduction of the ultimate load. Conservative approach for this reduction adopted in the codes limits application of GFRP connectors. Tests were carried out in the edge area to compare the ultimate load with predictions of the CC method from the field of fastening technology. The comparison shows good compliance and allows an investigation of the tensile load capacity in the edge area and so a more efficient design with reduced edge distances is possible.

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Haffke, Marcin M., Matthias Pahn i Catherina Thiele. "Fire Tests on the Pre-cast Concrete Sandwich Walls with GFRP Connectors". W IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.0759.

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Precast concrete sandwich panels are known for their inherently good thermal, acoustic and structural properties. When using glass fibre reinforced polymeric (GFRP) connectors coupling the concrete layers, excellent thermal properties and high structural stiffness can be achieved. However lack of knowledge on fire resistance of sandwich panels and fire bahavior of GFRP connectors remain an important issue limiting their wider use in the construction. This paper presents results of fire tests performed on real size sandwich walls in terms of fire behavior of the GFRP connectors and its impact on fire resistance of the entire walls. All the three tested sandwich walls met the REI 120-M criteria for load-bearing fire walls. The connectors showed in general good fire resistance and did not contribute to fire spread. The tests delivered important information on structural behaviour of sandwich walls with GFRP connectors loaded with fire and vertical eccentric and impact load.

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Ismail, Mohamed A., i Caitlin T. Mueller. "Low-Carbon Concrete Construction: The Past, Present, and Future of Concrete Design in India". W 2020 ACSA Fall Conference. ACSA Press, 2020. http://dx.doi.org/10.35483/acsa.aia.fallintercarbon.20.23.

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The concrete frame gave freedom to the design of the interior and eliminated the need for external load-bearing walls. Today, due to rapid urbanization and constrained urban space, the concrete frame has become the ubiquitous system of construction in growing cities. As a result, steel-reinforced concrete frames dominate the skylines of Less Economically Developed Countries (LEDCs) like India. Consequently, the mounting use of concrete in India has garnered concern for the ecological impacts of construction. This suggests an opportunity to reduce the carbon emissions associated with concrete construction through efficient concrete construction, building more with less. Importantly, India has a rich history of efficient concrete architecture that utilized material efficiency when material costs constrained the cost of construction. These designers cultivated a spirit of structural expression and a command of physical forces that informed a new architectural idiom for Modern India. Today, the generally risk-averse nature of development has pushed concrete construction towards standardized typologies of monolithic construction and repeated modules for ease of construction. From a structural mechanics point of view, though, these modular systems of prismatic slabs, beams, and columns, are mate- rially inefficient. In response to the demand for materially efficient concrete construction, this paper looks back at the work of novel designers in India and presents a potential application of their ideas to future urban construction in both India and beyond. The scope of this paper is the use of reinforced concrete as a structural material from the early 20th century up until today. Several key structures and designers will be highlighted for their contributions to concrete architecture’s history before concluding with a proposal for the future of concrete design in LEDC cities. Applying an understanding of concrete mechanics and digital structural design, this research explores structural systems suited to the constraints of Indian construction.

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Kitamura, Seiji, Masaki Morishita, Shuichi Yabana, Kazuta Hirata i Katsuhiko Umeki. "Shaking Table Tests With Large Test Specimens of Seismically Isolated FBR Plants: Part 1—Response Behavior of Test Specimen Under Design Ground Motions". W ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77614.

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The seismic isolation technology is planned to introduce to the next generation’s fast breeder reactor (FBR) plants in order to reduce seismic load subjected to components. To grasp the ultimate behavior of a seismically isolated plant under extremely strong earthquake at a level beyond the design ground motions and to establish ultimate strength design methods of seismic isolators, we made a series of shaking table test with large test specimen of seismically isolated FBR plants. The ultimate behavior test was performed using one of the world largest three-dimensional shaking tables “E-Defense” of National Research Institute for Earth Science and Disaster Prevention of Japan to obtain ultimate behavior data of a technologically-feasible large scale model. Test specimen consists of concrete blocks, reinforced concrete walls and isolation layer with six laminated rubber bearing with lead plug (LBR). The gross mass of upper structure of the test specimen is about 600ton. The diameter of the LRB is 505mm that reduced prototype dimensions to about 1/3. In this study, the following three behaviors were assumed as the ultimate behavior of the seismic isolation system; 1) loss of response reduction function of the isolation system by hardening of rubber, 2) non-linear response behavior by the cracking of the concrete wall and 3) braking of the LRB. When the input acceleration level increased, the test specimen was designed to show the ultimate behavior in the above-mentioned order. The ultimate behavior test of the seismic isolation system was carried out on the condition of two input waves by using two test specimen sets of the same dimensions. In this paper, details of the test specimen including the LRB and loading conditions are described. Response behavior of the test specimen under design ground motions is also reported. The restoring force characteristics of the LRBs were stable. The response acceleration of a horizontal direction measured at the upper structure of the specimen was reduced. Prior to the ultimate behavior tests with strong input waves, the response reduction functions of the test specimen under design ground motions were confirmed.

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"Load-Bearing Behavior of Textile-Reinforced Concrete". W SP-250: Textile-Reinforced Concrete. American Concrete Institute, 2008. http://dx.doi.org/10.14359/20140.

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Raupach, M. "Epoxy-impregnated textiles in concrete Load bearing capacity and durability". W ICTRC'2006 - 1st International RILEM Conference on Textile Reinforced Concrete. RILEM Publications SARL, 2006. http://dx.doi.org/10.1617/2351580087.008.

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"Load-Bearing Behavior of a Pedestrian Bridge Made of Textile Reinforced Concrete". W SP-275: Fiber-Reinforced Polymer Reinforcement for Concrete Structures 10th International Symposium. American Concrete Institute, 2011. http://dx.doi.org/10.14359/51682438.

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Prokeš, Jan, Iva Rozsypalová, František Girgle, Petr Daněk i Petr Štěpánek. "Residual load-bearing capacity of fire-exposed concrete beams reinforced with FRP bars". W SPECIAL CONCRETE AND COMPOSITES 2020: 17th International Conference. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0042799.

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D. Ariyanayagam, Anthony, i Mahen Mahendran. "Finite Element Modelling of Load Bearing Steel Stud Walls under Real Building Fires". W 10th International Conference on Advances in Steel Concrete Composite and Hybrid Structures. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-2615-7_193.

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Raporty organizacyjne na temat "Reinforced concrete load bearing walls"

Guo, Yan-Lin, Meng-Zheng Wang, Jing-Shen Zhu i Xiao Yang. LOAD-BEARING CAPACITY OF CONCRETE-INFILLED DOUBLE STEEL CORRUGATED-PLATE WALLS WITH T-SECTION UNDER COMBINED AXIAL COMPRESSION AND BENDING MOMENT. The Hong Kong Institute of Steel Construction, grudzień 2018. http://dx.doi.org/10.18057/icass2018.p.076.

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STUDY ON MECHANICAL PROPERTIES OF STAINLESS STEEL PLATE SHEAR WALL STRENGTHENED BY CORRUGATED FRP. The Hong Kong Institute of Steel Construction, sierpień 2022. http://dx.doi.org/10.18057/icass2020.p.305.

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In this paper, the mechanical properties of stainless steel plate shear walls reinforced with fiber reinforced polymer (FRP) of corrugated sections were studied. Two scaled FRP-stainless steel plate shear wall specimens were designed and subjected to the monotonic horizontal load. FRPs in the form of corrugated and flat sections were respectively used to reinforce the embedded steel plates of the steel plate shear wall. The test results show that the failure mode of flat FRP reinforced steel plate shear wall is mainly the peeling of the FRP, while the failure mode of corrugated FRP reinforced steel plate shear wall is mainly the tensile fracture of the FRP. The out-of-plane deformation of steel plate reinforced with corrugated FRP can be effectively restrained. The maximum bearing capacity of the two specimens is 97.96 kN and 106.32 kN respectively. The yield load of the specimen with corrugated FRP is increased by 16.5%, the ultimate bearing capacity is increased by 9.3% and the stiffness is increased by 68%.

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LOAD TRANSFER MECHANISM OF STEEL GIRDER-RC PIER CONNECTION IN COMPOSITE RIGID-FRAME BRIDGE. The Hong Kong Institute of Steel Construction, sierpień 2022. http://dx.doi.org/10.18057/icass2020.p.286.

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The composite rigid-frame bridge, where the steel girder and the reinforced concrete (RC) pier are rigidly connected, has a high bearing capacity and superior long-term performance. The steel girder-RC pier connection is the critical detail for the design of such a structural form. To this end, a detailed review of composite rigid-frame bridges in China and abroad was carried out to summarize various forms of connections and evaluate their applicability. A novel connection type was then proposed to improve the connective performance between steel plate girders and RC piers. Threedimensional finite element models were further developed to investigate the force transfer mechanism, accounting for the impact of concrete stress, shear force in the connectors, and stress of steel plates. The results indicated that the proposed connection was capable of transmitting external loads reliably, and its ultimate bearing capacity exceeded design loads. The shear force of perfobond connectors, the tension of reinforcement, and the bearing effect of the bottom flange provided the major force transmission path to resist the external load.

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EXPERIMENTAL AND NUMERICAL INVESTIGATION ON SEISMIC PERFORMANCE OF RING-BEAM CONNECTION TO GANGUE CONCRETE FILLED STEEL TUBULAR COLUMNS. The Hong Kong Institute of Steel Construction, marzec 2022. http://dx.doi.org/10.18057/ijasc.2022.18.1.9.

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This paper presents an investigation on seismic performance of a ring-beam connection that is used to connect reinforced gangue concrete (RGC) beam to coal-gangue concrete-filled steel tubular (GCFST) column. Two specimens, including an interior connection with two beams and an exterior connection with one beam, were designed and fabricated for experimental tests under full-reversing cyclic loads at beam ends. In addition, finite element models which corresponded to tested specimens were developed using ABAQUS to conduct numerical simulations of the composite connection subjected to the combined axial and cyclic loads. The feasibility of the developed model to predict failure modes and load-deformation response of the connection was validated by comparing with test results. The response of the ring-beam connection to cyclic loads was examined with respects to the load-bearing capacity, deformation resistance, stiffness and strength degradation, ability to dissipate energy in a seismic event, and ductility. With numerical models, parametric analysis was completed to evaluate the influences of material and structural parameters on connection resistance against cyclic loads. Based on the results of parametric studies, a restoring force model of skeleton curve for the ring-beam connection was developed in terms of ultimate capacity and corresponding deformation. The results provided practical suggestions for the application of ring-beam connection to GCFST column in the projects.

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Integrated Design Optimization for Long Span Steel Transfer Truss at Redevelopment of Hong Kong Kwong Wah Hospital. The Hong Kong Institute of Steel Construction, sierpień 2022. http://dx.doi.org/10.18057/icass2020.p.365.

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Long-span steel trusses are increasingly used in high-rise buildings to replace reinforced concrete thick transfer plate due to light weight and high load-bearing capacity. To support multi-stories above the steel transfer truss, a comprehensive method based on second-order direct analysis method has been applied for optimization design of long-span steel transfer truss in the Redevelopment of Hong Kong Kwong Wah Hospital (KWH) – Phase 1. In the project, a 35m long-span steel transfer truss is adopted at the 3rd to 5th floors to support the above 15-story reinforced concrete structure. Innovative technologies such as the integrated global and local optimization, the integrated design and construction have been explored and made to achieve better uniformity and harmony in structure. In particular, twin trusses with better structural performance, less fabrication cost and ease of constructability are studied and finally adopted in main trusses to replace original single trusses. The optimal scheme has brought both cost and time saving in fabrication, construction, operation and maintenance stages.

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