Gotowe bibliografie tematyczne / Reinforced concrete load bearing wall panels

Gotowa bibliografia na temat „Reinforced concrete load bearing wall panels”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 19 lutego 2023

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Artykuły w czasopismach na temat "Reinforced concrete load bearing wall panels"

Ma, Shaochun, Lianghui Li i Peng Bao. "Seismic Performance Test of Double-Row Reinforced Ceramsite Concrete Composite Wall Panels with Cores". Applied Sciences 11, nr 6 (17.03.2021): 2688. http://dx.doi.org/10.3390/app11062688.

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The research objective of this study was the seismic performance of double-row reinforced ceramsite concrete sandwich wall panels. The feasibility of upgrading a new wall panel from a non-load-bearing partition wall to a load-bearing seismic wall was examined by conducting cyclic load tests on five wall panel specimens. The test piece was a sandwich thermal insulation structure that could achieve a good protection distance between the thermal insulation material and the fire source so that the fire prevention problem could be solved. At the same time, the problem of easy fall-off of the insulation system was also solved. The specimens were divided into three groups, including three double-row reinforced ceramsite concrete sandwich wall panels with different dosages of alkali-resistant glass fiber, a double-row reinforced ordinary concrete sandwich wall panel, and a solid concrete ceramic wallboard. The effects of different dosages of alkali-resistant glass fiber, construction forms, and bearing side plate materials on the seismic performance of the sandwich wall panels were investigated separately for the specimens. From the analysis of the specimen results (damage characteristics, hysteresis curves, energy dissipation capacity, bearing capacity, ductility, longitudinal reinforcement strain, and stiffness degradation), it could be seen that among the five types of wallboard, the double-row reinforced ceramsite concrete sandwich wall panel with 0.3% fiber content had the best ductility and energy dissipation capacity. Adding fiber could solve or improve the problem of the low ultimate bearing capacity of ceramsite concrete as the wallboard’s bearing material. Compared with the same size solid ordinary concrete wallboard, the bearing capacity of the double-row reinforced ceramic concrete sandwich panel was slightly reduced. However, the additional seismic performance indexes were relatively superior. Through the analysis of the test results, it was shown that, when considering the thermal performance and seismic capacity, the new wall panel had good prospects for engineering applications.

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Wissam K. Al-Saraj, Dr, Dr Layth Abdulbari Al-Jaberi, Sahar J. AL-Serai i . "Carbon Fiber Strengthening of Geopolymer Concrete Wall Panels with Iron Fillings". International Journal of Engineering & Technology 7, nr 4.20 (28.11.2018): 399. http://dx.doi.org/10.14419/ijet.v7i4.20.26142.

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Wall is a vertical plate member resisting vertical (in-plane) or lateral loads. Load-Bearing walls were referred to RC wall panels which were commonly used as load-bearing structural members, braced and laterally supported by the rest of the structure, local materials such as Metakaolin and alkaline solutions are used to cast (600x400) mm reinforced concrete wall panels with 40 mm thickness. To find the ultimate bearing capacity and lateral deflection of wall panels. Seven specimens are divided in two groups to study the variation effect of iron filling (0, 0.5, 0.75 and 1.0)% and carbon fiber (225, 125 and 90 )mm spacing center to center of strips. The result shows that the maximum increasing are 17% and 14% for ultimate bearing capacity and cracking load of wall panels respectively, when iron filling is 1%. Also, the using of carbon fiber with 90 mm spacing center to center of strips leds to increasing in ultimate bearing capacity and cracking load by 31% and 7% respectively. Lateral deflection of wall panels was measured and compared with the reference wall to investigate the strengthening effect.

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Hong, Junqing, Shaofeng Zhang, Hai Fang, Xunqian Xu, Honglei Xie i Yuntian Wang. "Structural performance of textile reinforced concrete sandwich panels under axial and transverse load". REVIEWS ON ADVANCED MATERIALS SCIENCE 60, nr 1 (1.01.2021): 64–79. http://dx.doi.org/10.1515/rams-2021-0015.

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Abstract The performance of textile reinforced concrete composite panels (TRCCPs) under the action of pseudo-static load up to collapse was evaluated. The test of TRCCPs under axial and transverse loading was conducted, and the results were compared with those for steel wire mesh reinforced-concrete composite panels (SMRCCPs). Ceram-site concrete was utilized as the panel matrix owing to its lightweight and insulation characteristics. The ultimate load bearing capacity, load-deformation and load-strain relationships, and failure modes were discussed and investigated in comparison with the findings of non-linear finite-element-model (FEM) analysis and the analytic method on the basis of the reinforced concrete (RC) theory. The analysis results indicate that TRCCP is suitable for use as a potential structural member for a wall or slab system of buildings, and the typical RC theory can be applied to predict the ultimate load bearing capacity if modified suitably.

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Zhao, Kao Zhong, Jian Feng Li i Feng Wang. "Experimental Study on Local Compression of Concrete-filled Glass Fiber Reinforced Gypsum Wall Panel". Advanced Materials Research 671-674 (marzec 2013): 668–73. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.668.

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The concrete-filled glass fiber reinforced gypsum wall panel is a kind of panel that the inside cavums of the glass fiber hollow gypsum panel is filled with concrete. The experimental results indicate that the concrete-filled glass fiber reinforced gypsum wall panel which has a better performance of the force and can be used to be the bearing wall of a building can form a novel structural system. When the beams supporting the wall panels, the wall panels which under the beams is in local state of compression. It were gained that when the wall panels are in the local compression state , local pressure loads are primarily borne by the concrete core columns and fiber gypsum board will damage in advance through the eighteen experimental wall panel specimens which in local compression. The test results show that the final destruction of the concrete is caused by being crushed and the contribution of the gypsum wall panel to local compression bearing is small. Compressive stress can only spread in the local loading on concrete core columns, cannot be expanded into an adjacent stud. Finally, the local compression bearing capacity calculation formula of the concrete-filled glass fiber reinforced gypsum wall panel is obtained by analysis of the test results.

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H. Maneetes i A. M. Memari. "Finite Element Modeling of Reinforced Concrete Cladding Panels H." Electronic Journal of Structural Engineering 9 (1.06.2009): 62–72. http://dx.doi.org/10.56748/ejse.9118.

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Architectural precast concrete cladding systems are considered non-load bearing wall systems and are designed primarily to transfer their self-weight and out-of-plane lateral loads to the supporting building structure. They are typically not designed for significant structural in-plane forces resulting from cladding-structure interaction. In fact, modern earthquake-resistant design requires that these cladding panels be isolated from the lateral force-resisting system. Finite element technique was employed to study precast concrete panels and special modeling strategies were developed for panel connections to the structural frame. The precast concrete panel was designed to participate in the building lateral force-resisting. Finite element modeling techniques were adopted to better understand the strength and stiffness characteristics of these concrete cladding panels subjected to significant in-plane loading. Good correlation was obtained between finite element modeling results and existing experimental results. The analytical results were used to develop a simplified mathematical model that can be incorporated into suitable building models to evaluate its performance as a lateral force-resisting system to withstand earthquake-induced lateral loads.

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Kazi, Mohammadzunoor, i Sandip P. Chandresha. "Comparative Study on Expanded Polystyrene (EPS) Core Reinforced Concrete Sandwich Panels based and R.C.C Brick Infill Structure". International Journal for Research in Applied Science and Engineering Technology 10, nr 6 (30.06.2022): 324–30. http://dx.doi.org/10.22214/ijraset.2022.43690.

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Abstract: Now a day Expanded Polystyrene (EPS) Core Reinforced Concrete Sandwich Panels (RCSP) is become more popular building material, Due to it's low Weight, low Thermal Conductivity and low construction time. Also it provide more work ability for the mass production of building. EPS Core (80mm to 120mm) RCSP Panel consist of EPS Core Between two layers of Reinforce concrete, 2mm to 3mm diameter welded coated steel wire mesh use as a Reinforce in concrete. Two Welded wire mesh is connected buy shear connecter of 2mm to 4mm diameter. Up to four story Expanded Polystyrene (EPS) Core Reinforced Concrete Sandwich Panels (RCSP) is using as load bearing wall. And construct structure without beam and column. In this study focus is on comparing G+3 Building using Expanded Polystyrene (EPS) Core Reinforced Concrete Sandwich Panels (RCSP) Located at North Indian city of Sonepat. With Reinforced cement concrete framed structure consist Brick masonry as infill material. In this study building is considered for analysis which is located in zone 5 earth quake region. Static analysis is done using SAP2000 software, soil conditions are to be soft and importance factor is to be taken as 1.2. Various parameters studied like lateral displacement of building, storey drift, base shear, and moment’s and shear force diagrams for a particular beam for both case. Results are represented in graphical as well as in tabular form. The structural members are modelled with the SAP2000 software package. Dead load and live load is considered as per code IS 875:1987 part 1 &2. Keyword: Concrete sandwich Panel, Diagonal Strut, Non-Linear Time History Analysis.

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Fofiu, M., A. Bindean i V. Stoian. "Seismic Performance Of A Precast Reinforced Concrete Wall With Cut-Out Opening Retrofitted Using Carbon Fibre Strips". Journal of Applied Engineering Sciences 5, nr 1 (1.05.2015): 15–22. http://dx.doi.org/10.1515/jaes-2015-0002.

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Abstract The Precast Reinforced Concrete Wall Panel (PRCWP) presented in this paper is part of an experimental study regarding the seismic performance of precast reinforced concrete wall panels, strengthening strategies and investigation on the weakening induced by modifying the opening in these elements due to architectural demands, change of function of buildings or other reasons. The element presented is 1:1.2 scale typical Reinforced Concrete Wall Panel with a window opening used in Romania, in which the opening was changed to a door opening due to comfort considerations. The specimen was subjected to cyclic loading with the lateral loads being applied in displacement control of 0.1% drift ratio. This simulates the shear behaviour of the element. After testing the unstrengthen element we proceed to retrofit it using Carbon Fibre Strips anchored with Carbon Fibre Mash. The purpose of the paper is to present the strengthening strategy and restore the initial load bearing capacity of the element or even increase it. The experimental results of strengthen and unstrengthen specimens will be presented.

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Nandan, Nandan A., i R. Renjith. "Experimental Investigation on Use of Shredded Thermocol to Formulate a Light Weight Concrete Mix for Concrete Filled GFRG Panels". Applied Mechanics and Materials 857 (listopad 2016): 82–87. http://dx.doi.org/10.4028/www.scientific.net/amm.857.82.

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Glass fiber reinforced gypsum panels (GFRG) are hollow panels made from modified gypsum plaster and reinforced with chopped glass fibers. The hollow cores inside the walls can be filled with in-situ concrete/reinforced concrete or insulation material to increase the structural strength or the thermal insulation, respectively. GFRG panels can be unfilled when used as partition walls, but when used as load bearing walls, it is filled with M20 grade concrete (reinforced concrete filling) in order to resist the gravity and lateral loads. The study was conducted in two stages: First stage involves formulation of an alternate light weight mix to be used in the GFRG panels in lieu of M20 grade concrete by partial replacement of cement with phosphogypsum and fine aggregate with shredded thermocol and thereby conducting experimental investigations to obtain the optimum combination. In the second stage the above formulated mix is filled in GFRG panels and experimental investigations are conducted to evaluate the strength parameters and the results are compared with the panels filled with conventional M20 concrete mix. The results of the first stage of experimental investigations are presented in this paper.

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Demeter, I., T. Nagy-Gyögy, V. Stoian, C. Dăescu i D. Dan. "Strengthening strategies using FRP composites for precast RC wall panels with cut-out openings". International Review of Applied Sciences and Engineering 2, nr 1 (1.06.2011): 19–24. http://dx.doi.org/10.1556/irase.2.2011.1.3.

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Abstract Building structures using Precast Reinforced Concrete Wall Panels (PRCWP) are widely used in Romania. An important disadvantage of these buildings is the functional rigidity of the interior space due to the dense distribution of the load bearing walls. Cut-out openings are often required to facilitate direct access from outside or between adjacent apartments. This paper presents a part of research program regarding the effectiveness of using the Externally Bonded Carbon Fiber Reinforced Polymer (CFRP-EBR) composites as seismic retrofitting solution for PRCWPs weakened by cut-out openings. The discussion was focused on the strengthening strategies adopted for both narrow and wide door openings.

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Sun, Jian, Hongxing Qiu i Hongbo Jiang. "Lateral load behaviour of a rectangular precast shear wall involving vertical bolted connections". Advances in Structural Engineering 22, nr 5 (8.11.2018): 1211–24. http://dx.doi.org/10.1177/1369433218807685.

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This article is concerned about precast reinforced concrete shear walls and the methods of assembling shear wall panels to form a reliable load transfer system. An assembling method is proposed using dry connection through an H-shaped steel connector (H-connector) and high-strength bolts. A preliminary design, including the H-connector design and bolt design, has been carried out based on the force analysis on the vertical connection in the wall assembly. On the basis of the finite element analysis verified by an experimental study, the preliminary design has been confirmed and a monolithic coefficient ( ζ) has been used to evaluate the cooperative working performance of the two parallel shear walls. Then this article continues to carry out a finite element parametric study on the mechanical behaviour of the precast reinforced concrete shear walls with varying parameters, which includes the bolt specification, the frictional coefficient on the contact surface within the bolted connection and the thickness of the H-connector flange. The lateral load bearing capacity, lateral stiffness and cooperative working performance of the wall assemblies involving these varying parameters have been broadly analysed.

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Rozprawy doktorskie na temat "Reinforced concrete load bearing wall panels"

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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Schmitt, Daniel A. "The effects foundation options have on the design of load-bearing tilt-up concrete wall panels". Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1429.

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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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Nečinová, Lucie. "Dům s pečovatelskou službou". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225873.

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It handles about a „Retirement home“ named project (3 floors, with a partial basement, building on a slight slope). The base structure is of reinforced concrete strips. The walls of the basement are made with the application of hidden formwork type system BEST. The bearing and non-bearing walls are of majority used silicate bricks. The staircase structure consists of monolithic reinforced concrete 2x brokem slab. For ceilings slab panels, are used Spiroll. The building is finished with a single layered flat roof.

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Kotík, Libor. "Konstrukce sila na cukr". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227611.

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The matter of this thesis is static design and examination of prestressed storage tank to 50000 tons of sugar. Computational model of the steel roof structure is processed and its effect on the silos. Loads is provided of sugar. Optimal design is performed and assessment ultimate and serviceability limit state reinforced concrete and prestressing horizontal silo wall including local load. Next, it is performed the design of a reinforced concrete of the plane bed and column and assessment at the ultimate limit state. The thesis is also drawing documentation, technical report and visualization of construction process. The aim of this work is to the design of the main components based on the required storage capacity tank, mechanical properties of the stored material and technical amenities.

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Ilčík, David. "Železobetonová konstrukce bytového domu". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240070.

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The diploma thesis is aimed for design and assessment main load bearing elements of a apart-ment building on the ultimate and serviceability limit state. Assessed parts of construction are reinforced concrete slab over the second floor, column and shear wall in the first floor, stairway slab and foundation pad. The elements are assessed in a structural design report according valid standard. There is created drawings. Internal forces are calculated using software Scia Engineer, where is modeled and loaded the construction.

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Štramberský, Martin. "Návrh předpjaté nádrže". Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226967.

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The matter of this diploma thesis is a static storage tank for petroleum substances, the study of a solution for appropriate shape of shell and its effort to dihedral for roofing, and the study of effect of the storage of inner roofs walls of the tank to the size of the internal forces. The internal walls are carried out by the method of finite elements in the engineering program Scia Engineering 2013 and on the basis of it, designing of the framing sections of the tank. There is a calculation part of the lower horizontal bias wreaths of the shell and internal supporting wall. All the components are assessed on the 1st limit state of the load-bearing capacity and the 2nd limit state of the application (emergence cracks, limiting voltage in the concrete and a prestressing steel). The existing external wall is assessed only on the marginal status load of carrying capacity. The part of diploma thesis is also drawing documentation, accompanying report and technical report. The goal of the diploma thesis was to design the tank without an occurrence of the cracks in the concrete so as the vertical wall was prestressing only in the horizontal direction and the optimal proposal roof tanks as an addition.

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Hutchinson, Robin L. "Post-tensioned horizontal connections typically used for precast concrete load-bearing shear wall panels". 1990. http://hdl.handle.net/1993/17154.

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Foerster, Harry R. "Behaviour of the connections typically used in precast concrete load-bearing shear wall panels". 1987. http://hdl.handle.net/1993/17376.

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Książki na temat "Reinforced concrete load bearing wall panels"

Cheng, Richard. Design load tables for laterally loaded masonry panels: To BS 5628 parts 1 and 2 : (including bed joint reinforced panels). London: Thomas Telford, 1996.

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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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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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Części książek na temat "Reinforced concrete load bearing wall panels"

Gómez-Bernal, Alonso, Eduardo Arellano Méndez, Luis Ángel Quiroz-Guzmán, Hugón Juárez-García i Oscar González Cuevas. "Behavior and Design of Transfer Slabs Subjected to Shear Wall Loads". W Advances and Technologies in Building Construction and Structural Analysis. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.93682.

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This paper investigates the behavior of a transfer slab system used in medium rise building. For this purpose, two slab-wall full-scale specimens were designed, built, and tested to cyclic loads. The two slab-wall prototypes were exposed to three load stages: (a) vertical load, (b) horizontal load, and (c) vertical and horizontal combined load. The first specimen, SP1, includes a masonry wall situated on top of a squared two-way slab of 4.25 m by side, thickness of 12 cm, on four reinforced concrete girders, while the second specimen, SP2, consists of an identical slab but was constructed with a reinforced concrete wall. Some numerical finite element slab-wall models were built using linear and nonlinear models. The most important results presented herein are the change on lateral stiffness and resistance capacity of the load-bearing wall supported on a slab versus the wall supported on a fixed base and the effects that these walls cause on the slabs. During the experimental test process of horizontal loading, we detected that the stiffness of the two slab-wall systems decreased significantly compared to the one on the fixed base wall, a result supported by the numerical models. The models indicated suitable correlation and were used to conduct a detailed parametric study on various design configurations.

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Streszczenia konferencji na temat "Reinforced concrete load bearing wall panels"

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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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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Lowak, Michael J., Barry L. Bingham, Thomas J. Mander i John R. Montoya. "Blast Testing of Pre-Cast Concrete Load-Bearing Wall Panels". W Geotechnical and Structural Engineering Congress 2016. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479742.001.

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Rando, Mario, Gaute Mo, Katie Overton, Fernando Ibáñez i Manuel Sánchez-Solís. "Finansparken Bjergsted: an innovative timber-framed office building". 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.2019.0729.

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Finansparken Bjergsted is an office building currently under construction in Stavanger, Norway, for SR-Bank. The structural system above ground level uses timber as the principal load bearing elements (a natural, renewable and readily available local material). Floors are cross-laminated timber (CLT) panels supported by glued laminated timber (GL) beams and columns. For strength and complex geometrical requirements, laminated veneer lumber (LVL) made of beech is also used. The three basement levels and the four communications and services cores are of reinforced concrete. Mass timber structural elements are engineered for strength and are prefabricated with strict tolerances for a rapid construction process using mainly direct contact timber connections, without metal fasteners. The beams are shaped and fabricated with openings to suit both the architectural aesthetics and services requirements by means of a fully integrated BIM system.

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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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Raporty organizacyjne na temat "Reinforced concrete load bearing wall panels"

Naito, Clay J., John M. Hoemann, Jonathon S. Shull, Aaron Saucier, Hani A. Salim, Bryan T. Bewick i Michael I. Hammons. Precast/Prestressed Concrete Experiments Performance on Non-Load Bearing Sandwich Wall Panels. Fort Belvoir, VA: Defense Technical Information Center, styczeń 2011. http://dx.doi.org/10.21236/ada545204.

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