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Zeitschriftenartikel zum Thema "Composite construction Testing":
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Wei, Hu, Hu Minggang und He Qun. „Quasi-static testing of composite masonry construction“. Building Research & Information 27, Nr. 2 (März 1999): 120–23. http://dx.doi.org/10.1080/096132199369589.
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Lusiak, Tomasz, Andrej Novák, Michal Janovec und Martin Bugaj. „Measuring and Testing Composite Materials Used in Aircraft Construction“. Key Engineering Materials 904 (22.11.2021): 161–66. http://dx.doi.org/10.4028/www.scientific.net/kem.904.161.
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This paper is focused on the use of special composite materials for the construction of aircraft components. It focuses on measuring and testing the strength of reinforced composite materials used in damaged aircraft parts repairs. To determine the layer required to repair a part of the aircraft, it is necessary to know the strength limit of the material and its parts. The article describes experimental measurements of manufactured composite samples that have been subjected to tensile stress. Aim of the performed tensile tests was to determine the maximum tensile stress that the composite materials are able to transmit until they are damaged. Measurement determining the maximum stress level is important to ensure the required safety of the aircraft structure on which the composite structure was repaired.
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BAIER, Andrzej, und Sławomir ŻÓŁKIEWSKI. „GRINDING TESTING OF COMPOSITE MATERIALS“. Scientific Journal of the Military University of Land Forces 159, Nr. 1 (03.01.2011): 21–36. http://dx.doi.org/10.5604/01.3001.0002.2852.
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Grinding testing is one of the most important tests of materials applied for contact with other elements. The subject matter is limited to grinding testing and this is only the beginning of complex testing of composite materials. In this article, the tested composite materials are epoxide and polyester laminates. The selected materials can be put into use in the wagon sides construction. This article includes a proposal for a laboratory stand for comparative grinding testing and presents sample test results.
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Sosa, Edward D., Erica S. Worthy und Thomas K. Darlington. „Microwave Assisted Manufacturing and Repair of Carbon Reinforced Nanocomposites“. Journal of Composites 2016 (13.10.2016): 1–9. http://dx.doi.org/10.1155/2016/7058649.
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We report a composite capable of advanced manufacturing and damage repair. Microwave energy is used to induce thermal reversible polymerization of the matrix allowing for microwave assisted composite welding and repair. Composites can be bonded together in just a few minutes through microwave welding. Lap shear testing demonstrates that microwave welded composites exhibit 40% bond strength relative to composites bonded with epoxy resin. Double cantilever beam testing shows 60% recovery in delamination strength after microwave assisted composite repair. The interfacial adhesion and composite repair after microwave exposure are examined by X-ray computed tomography. The microwave processing is shown to be reproducible and consistent. The ability to perform scalable manufacturing is demonstrated by the construction of a large structure from smaller components.
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Gong, Xiaozhou, Pengying Pei, Yu Hu und Xiaogang Chen. „Experimental investigation of low velocity impact on textile cellular composite with different energy construction“. Journal of Industrial Textiles 48, Nr. 6 (22.01.2018): 1009–23. http://dx.doi.org/10.1177/1528083718754900.
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Cellular composite, with an array of regular hexagonal cells in the cross section, is a type of textile composites having the advantage of being light weight and energy absorbent over the solid composite materials. However, when it is under the same energy level of low velocity impact with different tup mass and velocity, its behavior is yet unknown. In the experiment, four groups of samples, with twelve geometrical variants have been systematically created for the impact testing. The impact test is running in two categories with one type of low velocity impact with initial velocity of 5.5 m/s by the tup mass of 0.55 kg, and another testing under the similar impact energy but with a lower initial velocity around 2.0 m/s with heavier tup mass of 4.52 kg. The impact energies in the above cases are very similar about 8.5 J, which indicates that the impact energy is the same while the energy construction is different. After the test, it is found that composite with medium cell size has more stable mechanical performances under various exposed impact conditions. It is also concluded that composites with big cell size are much easier to be destroyed under heavier impact tup, therefore, under condition of more critical loading force, it is necessary to find a way to enhance the big cell sized composites’ wall material in order to strengthen their structure performances. The results of this work provide a reference for the researchers who are kneeing to investigate the impact mechanism of textile cellular composites.
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Xiang, Zhenglong, Hongrun Wu und Fei Yu. „A Genetic Algorithm-Based Approach for Composite Metamorphic Relations Construction“. Information 10, Nr. 12 (10.12.2019): 392. http://dx.doi.org/10.3390/info10120392.
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The test oracle problem exists widely in modern complex software testing, and metamorphic testing (MT) has become a promising testing technique to alleviate this problem. The inference of efficient metamorphic relations (MRs) is the core problem of metamorphic testing. Studies have proven that the combination of simple metamorphic relations can construct more efficient metamorphic relations. In most previous studies, metamorphic relations have been mainly manually inferred by experts with professional knowledge, which is an inefficient technique and hinders the application. In this paper, a genetic algorithm-based approach is proposed to construct composite metamorphic relations automatically for the program to be tested. We use a set of relation sequences to represent a particular class of MRs and turn the problem of inferring composite MRs into a problem of searching for suitable sequences. We then dynamically implement multiple executions of the program and use a genetic algorithm to search for the optimal set of relation sequences. We conducted empirical studies to evaluate our approach using scientific functions in the GNU scientific library (abbreviated as GSL). From the empirical results, our approach can automatically infer high-quality composite MRs, on average, five times more than basic MRs. More importantly, the inferred composite MRs can increase the fault detection capabilities by at least 30 % more than the original metamorphic relations.
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Jutila, Aarne, Risto Mäkipuro und Lauri Salokangas. „Testing a Wood-Concrete Composite Bridge“. Structural Engineering International 7, Nr. 4 (November 1997): 275–77. http://dx.doi.org/10.2749/101686697780494635.
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Geringer, J. W., Y. Katoh, S. Gonczy, T. Burchell, M. Mitchell, M. Jenkins und W. Windes. „ASME Code Rules and ASTM Standards Integration for Ceramic Composite Core Materials and Components1“. Journal of Physics: Conference Series 2048, Nr. 1 (01.10.2021): 012020. http://dx.doi.org/10.1088/1742-6596/2048/1/012020.
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Abstract Fiber-reinforced ceramic matrix composites have many desirable properties for high-temperature nuclear applications, including excellent thermal and mechanical properties and reasonable to outstanding radiation resistance. Over the last 20 years, the use of ceramic composite materials has already expanded in many commercial nonnuclear industries as fabrication and application technologies mature. The new ASME design and construction rules under Section III, Subsection HH, Subpart B lay out the requirements and criteria for materials, design, machining and installation, inspection, examination, testing, and the marking procedure for ceramic composite core components, which is similar to the established graphite code under Section III, Subsection HH, Subpart A. Moreover, the general requirements listed in Section III, Subsection HA, Subpart B are also expanded to include ceramic composite materials. The code rules rely heavily on the development and publication of standards for composite specification, classification, and testing of mechanical, thermal, and other properties. These test methods are developed in the American Society for Testing and Materials Committee C28 on Advanced Ceramics with a current focus on ceramic composite tubes. Details of the composites code, design methodology, and similarities to the graphite code, as well as guidance for the development of specifications for ceramic composites for nuclear application and recent standard developments, are discussed. The next step is to “close the gap” to support licensing aspects by validating the code with benchmarking data.
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Gillespie, J. W., D. A. Eckel, W. M. Edberg, S. A. Sabol, D. R. Mertz, M. J. Chajes, H. W. Shenton et al. „Bridge 1-351 over Muddy Run: Design, Testing, and Erection of an All-Composite Bridge“. Transportation Research Record: Journal of the Transportation Research Board 1696, Nr. 1 (Januar 2000): 118–23. http://dx.doi.org/10.3141/1696-52.
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Bridge 1.351 on Business Route 896 in Glasgow, Delaware, was replaced with one of the first state-owned all-composite bridges in the nation. Composites are lightweight construction materials that do not corrode, which results in benefits such as ease of construction and reduced maintenance costs. A summary of the design, large-scale testing, fabrication, erection, and monitoring of this bridge is presented. The bridge was designed to AASHTO load and resistance factor design specifications. A methodology was developed to incorporate the engineering properties of these unique composite materials into the design. The bridge consists of two 13 × 32 ft (3.96 × 9.75 m) sections joined by a unique longitudinal joint. The sections have sandwich construction consisting of a core [28 in. (71.12 cm) deep] and facesheets [0.4 to 0.6 in. (10.16 to 15.24 mm) thick] that provide shear and flexural rigidity, respectively. The composite bridge was fabricated with E-glass preforms and vinyl-ester resin, which offers excellent structural performance and long-term durability. Each of the sections was fabricated to near-net shape in a single step by a vacuum-assisted resin transfer molding process. The overall structural behavior has been accurately predicted with simple design equations based on sandwich theory for anisotropic materials. Large-scale testing of full-sized subcomponents was conducted to prove that the design satisfied deflection, fatigue, and strength limit states. A redundant longitudinal joint was designed that consisted of both an adhesively bonded vertical joint between sections and splice plates. Assembly procedures were developed, and transverse testing of the full-sized joint was conducted. Final bridge sections were proof-tested to the strength limit state. The construction phase included section positioning, joint assembly, and application of a latex-modified concrete wear surface. The bridge was reopened to traffic on November 20, 1998. Results from the long-term monitoring effort will be documented.
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Bosák, Lukáš, und Milan Palko. „Wall Panel Made of Bio-composites“. MATEC Web of Conferences 279 (2019): 02010. http://dx.doi.org/10.1051/matecconf/201927902010.
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Sustainability is currently an important part of the building industry. The development of new building constructions and the use of ecological materials is a very popular topic in this area. One example of organic material are natural fibres bio-composites. Bio-composite materials are currently used in the form of laminates mainly used in the sport and furniture industries. This article addresses their use in the building industry as the outer envelope of buildings. The article deals with the testing of the influence of UV radiation and moisture on the degradation of Bio-composites with recommendation of possible ways of their protection. In the next section, it deals with the design of composite wall panel with Bio-composite laminates on the top layer. This panel will contain mycelium as thermal insulation. The assumption of the use of this type of construction in the building industry is based on the possibility of replacing conventional materials used nowadays and reducing the environmental load by the building industry. The use of new types of eco-friendly building materials is in accordance with the EU strategy.
Dissertationen zum Thema "Composite construction Testing":
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Boone, Michael James. „Mechanical Testing of Epoxy Adhesives for Naval Applications“. Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/BooneMJ2002.pdf.
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Dunn, Christopher Thomas 1971. „The design, analysis, construction, and testing of a multifunctional composite satellite structure“. Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/9243.
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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2000. Also available online at the MIT Theses Online homepage . Includes bibliographical references (leaves 290-294). A small space based telescope is being designed by the Charles Stark Draper Laboratory, Inc. in conjunction with MIT. The design goal of this project is to use existing technology to gather ground data from low earth orbit at a minimal cost. A structure was constructed at MIT that allows the satellite to survive launch loads and maintains the optical stability of the satellite. The structure is a double hull design constructed of AS4/3501-6 graphite epoxy with a zero coefficient of thermal expansion lay-up to prevent defocussing of the optics due to thermal loading. The overall design goal at MIT is to construct a space worthy structure. This thesis includes the preliminary design of the inner structure that houses the optics for the telescope. Design of the outer structure, the connections between the inner and the outer structure and detailed design of the inner structure are not included in this work. The analytical techniques used in this project included thermal analyses of structures in various earth orbits, determination of structural requirements from optical performance calculations, designing of near zero Coefficient of Thermal Expansion (CTE) laminates, consideration of manufacturing and material variations in design, strength analysis of composite laminates, and determination of vibration modes and associated frequencies of tubular structures with anisotropic sandwich construction. Experimental work included the building of co-cured honeycomb panels, curved panels, and tubular sections to verify the structure as designed was manufacturable. These efforts culminated in the production of a space-worthy component. Testing was preformed to verify the analysis and design. Testing included flatwise tension testing to verify integrity of the honeycomb bonding, tensile testing to verify stiffness calculations and experimentally determine the failure load for the desired lay-up, and testing to verify the CTE was within acceptable bounds to prevent the optics from defocussing. by Christopher Thomas Dunn. S.M.
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Lam, Wai-yin, und 林慧賢. „Experimental study on embedded steel plate composite coupling beams“. Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B26643352.
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Starbuck, J. Michael. „Damage states in laminated composite three-point bend specimens - an experimental/analytical correlation study“. Diss., This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-08082007-114323/.
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Venkata, Vijai Kumar. „Development and testing of hurricane resistant laminated glass fiber reinforced composite window panels /“. free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1426111.
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Lam, Wai-yin, und 林慧賢. „Plate-reinforced composite coupling beams: experimental and numerical studies“. Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B37311797.
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Cooper, David E. (David Edward). „Stresses and deformations in cross-ply composite tubes subjected to circumferential temperature gradients“. Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/45556.
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The stresses and deformations in cross-ply composite tubes
subjected in circumferential temperature gradients are studied. The
motivation behind the study is the anticipated use of composite tubes
in space structures where the tube is exposed to the heat of the sun
on one side and the cryogenic temperatures of space on the other.
Experiments were performed to measure the functional form of the
temperature gradient and the displacements. It was found that the
form of the temperature gradient, T(Ɵ), can accurately be represented
by T(Ɵ) = A + BcosƟ¸ and that the displacement of the tube is parabolic
in the axial coordinate. Two types of analytical solutions were
developed: an exact elasticity U solution and an approximate solution.
The approximate solution includes a linear variation of the material
properties with temperature and uses the principle of complementary
virtual work in conjunction with a Ritz approximation on the stress
field. The elasticity solution predicts that high tensile stresses
could crack the matrix. The effect of including temperature-dependent
material properties is to reduce the circumferential dependency of
the stresses.
Master of Science
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Zhao, Huyue. „Stress Analysis of Tapered Sandwich Panels with Isotropic or Laminated Composite Facings“. Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/ZhaoH2002.pdf.
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Breivik, Nicole L. „Compression of thick laminated composite beams with initial impact-like damage“. Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09052009-040529/.
Bücher zum Thema "Composite construction Testing":
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Woldegiorgis, Berhanu F. Some behavioural aspects of composite trusses. Edmonton, Alta., Canada: Dept. of Civil Engineering, University of Alberta, 1994.
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Maurer, Michael B. Shrinkage and flexural tests of a full-scale composite truss. Edmonton, Alta., Canada: Dept. of Civil Engineering, University of Alberta, 1994.
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Thompson, David P. Structural load testing of Gemini single joist composite floor system. [Edmonton, Alta.]: Alberta Municipal Affairs, Innovative Housing Grants Program, 1989.
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Walker, Sandra P. Evaluation of composite honeycomb sandwich panels under compressive loads at elevated temperatures. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1998.
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International, Conference (CDCC 02) (2nd 2002 Montréal Québec). Durability of fiber reinforced polymer (FRP) composites for construction: Proceedings of the second International Conference (CDCC 02) Montréal (Quebec) Canada, May 29-31, 2002. Sherbrooke, Québec: Department of Civil Engineering, Université de Sherbrooke, 2002.
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CDCC, (International Conference) (2nd 2002 Montréal Québec). Durability of fiber reinforced polymer (FRP) composites for construction =: Durabilité des composites en polymères renforcés de fibres (PRF) pour la construction : proceedings of the 2nd International Conference (CDCC 02), Montréal (Québec) Canada, May 29-31, 2002 : comptes rendus de la deuxième Conférence Internationale (CDCC 02), Montréal (Québec) Canada, 29-31 mai 2002. Sherbrooke: Department of Civil Engineering, Université de Sherbrooke, 2002.
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Steckel, G. L. The application of qualification testing, field testing, and accelerated testing for estimating long-term durability of composite materials for Caltrans applications. El Segundo, CA: Engineering and Technology Group, The Aerospace Corporation, 2005.
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Vick, Charles B. Lamination of composite framing with melamine-formaldehyde adhesive and radio-frequency curing. Asheville, NC: U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1986.
Buchteile zum Thema "Composite construction Testing":
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Goray, Col Amit R., und C. H. Vinaykumar. „A Study in Design, Analysis and Prediction of Behaviour of a Footbridge Manufactured Using Laminate Composites—Static Load Testing and Analysis of a Glass Fibre Laminate Composite Truss Footbridge“. In Recent Trends in Construction Technology and Management, 125–33. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2145-2_10.
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Shagwira, Harrison, Fredrick Madaraka Mwema und Thomas Ochuku Mbuya. „Processing, Testing, and Failure Modes in Polymer Materials“. In Polymer-Silica Based Composites in Sustainable Construction, 15–26. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003231936-2.
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Myers, John J., David Holdener und Wesley Merkle. „Load Testing and Load Distribution of Fiber Reinforced, Polymer Strengthened Bridges: Multi-year, Post Construction/Post Retrofit Performance Evaluation“. In Fiber Reinforced Polymer (FRP) Composites for Infrastructure Applications, 163–91. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2357-3_9.
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Daly, A. F., und W. G. Duckett. „8.7 The design and testing of an FRP composite highway deck“. In Advanced polymer composites for structural applications in construction, 501–8. Thomas Telford Publishing, 2002. http://dx.doi.org/10.1680/apcfsaic.31227.0052.
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Kozul, Josip. „Design of Construction for Composites and Polymers Testing“. In Proceedings of the 27th International DAAAM Symposium 2016, 0785–90. DAAAM International Vienna, 2016. http://dx.doi.org/10.2507/27th.daaam.proceedings.113.
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Nadim Melhem, George, Paul Richard Munroe, Charles Christopher Sorrell und Alsten Clyde Livingstone. „Field Trials of Aerospace Fasteners in Mechanical and Structural Applications“. In Encyclopedia of Aluminum and Its Alloys. Boca Raton: CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000309.
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The present work reports findings for the application of specialized aerospace aluminum rivets, manufactured from Al 7075 (Al-Zn-Mg-Cu) T6 alloy stem/mandrel, with an Al 5056 (Al-Mg) shank or sleeve, which were used for construction rectification of an outdoor louver façade on a high-rise building. These specialized rivets were used to replace failed conventional construction rivets, which consisted of sleeve and mandrel comprised of either all-steel, all-aluminum, or aluminum-steel. The building is in close vicinity to the ocean and exposed to extremely high wind loading, making the rivets susceptible to failure by corrosion and fatigue. The focus of the present work is to report the examination of the specialized replacement rivets following an in-service lifetime of 12 years. The examination revealed that the replacement rivets (mandrel and sleeve) remained intact and uncontaminated, essentially free of corrosion. It is likely that sunlight exposure and the composite nature of the rivets enhanced the performance through age hardening. Analysis of the rivets included visual inspection, optical microscopy, Vickers microhardness testing, and transmission electron microscopy. The aim of the analysis was to correlate microstructures with microhardnesses, using these data to evaluate the ultimate tensile strength (UTS), yield strength (YS), and the potential for further age hardening. The Vickers microhardnesses were observed to have increased by ~8% over the service lifetime of 12 years, which equates to increases in YS (34.8–46.8 MPa) and UTS (23.8–45.6 MPa). Although the results show that there is a large increase in the strength values when comparing the unused rivets to the 12-year-old rivets, this increase in hardness may not necessarily be due purely to natural aging kinetics such as exposure from the sun and outdoor temperature. However, there appears to be some insignificant alteration of the microstructure and mechanical properties as a result of this exposure.
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Xu, Kaimeng, Guanben Du und Siqun Wang. „Wood Plastic Composites: Their Properties and Applications“. In Engineered Wood Products for Construction [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98918.
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Wood plastic composites (WPCs) is one of crucial and potential engineering wood products that has been extensively employed in the fields of landscape, transportation, municipal engineering and building construction. It has gradually been used to replace the conventional wood-based composites. This chapter aims to introduce the properties and development of WPCs and illustrate how defects in their mechanical properties, biological and aging resistance, and flame retardance affect their global development. Herein, the effects on the biological durability of WPCs against algae, mold, fungi, and termites made with various wood species with different chemical extractive compositions, the natural weathering performance of WPCs and the mechanisms of protection against ultraviolet light and moisture, the effectiveness and mechanism of reinforcement of WPCs by novel alloy modification of linear and aromatic polyamides are reviewed. Additionally, the flame retardance properties, common testing methods as well as the performances of novel flame retardants for WPCs, are comparatively described. Lastly, the limitations and prospects of WPCs in future construction applications are also discussed.
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Tan, C. M., J. S. Owen, S. R. Pearson und S. Luke. „STRUCTURAL HEALTH MONITORING OF CFRPSTRENGTHENED BEAMS USING DYNAMIC TESTING“. In Advanced Polymer Composites for Structural Applications in Construction, 701–8. Elsevier, 2004. http://dx.doi.org/10.1533/9781845690649.7.701.
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Abbasi, A., und P. J. Hogg. „FIRE TESTING OF CONCRETE BEAMS WITH FIBRE REINFORCED PLASTIC REBAR“. In Advanced Polymer Composites for Structural Applications in Construction, 445–56. Elsevier, 2004. http://dx.doi.org/10.1533/9781845690649.5.445.
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Canning, Lee, Sam Luke, Bjorn Taljsten und Peter Brown. „FIELD TESTING AND LONG TERM MONITORING OF WEST MILL BRIDGE“. In Advanced Polymer Composites for Structural Applications in Construction, 683–92. Elsevier, 2004. http://dx.doi.org/10.1533/9781845690649.7.683.
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Konferenzberichte zum Thema "Composite construction Testing":
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Crisinel, Michel, und Gabriele Guscetti. „Design and Testing of Two Composite Underspanned Beams“. In International Conference on Composite Construction in Steel and Concrete 2008. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41142(396)18.
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Reid, Stuart G. „Reliability-Based Design Strengths Based on Prototype Testing with Small Sample Sizes“. In Composite Construction in Steel and Concrete IV Conference 2000. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40616(281)80.
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Hicks, Stephen J., Richard E. McConnel und Manoja D. Weerasinghe. „The Testing of a Full-Scale Stub-Girder Floor Beam Using 'SLIMDEK' Construction“. In Composite Construction in Steel and Concrete IV Conference 2000. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40616(281)17.
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Pereira, J. Michael, Duane M. Revilock, Jr. und William A. Arnold. „Ballistic Impact Testing of Composite Structures“. In 10th Biennial International Conference on Engineering, Construction, and Operations in Challenging Environments and Second NASA/ARO/ASCE Workshop on Granular Materials in Lunar and Martian Exploration. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40830(188)144.
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Garcia, Daniel M., Mark Harris, Arup K. Maji, Brett J. deBlonk und Jeffrey A. Whetzal. „Design, Testing, and Analysis of a Deployable Composite Telescope“. In 11th Biennial ASCE Aerospace Division International Conference on Engineering, Science, Construction, and Operations in Challenging Environments. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40988(323)25.
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Higgins, John E., Peter Wegner, William Keith und Otto Ratz. „Design and Testing of All-Composite Connections for Launch Vehicle Payload Adapters“. In Ninth Biennial Conference on Engineering, Construction, and Operations in Challenging Environments. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40722(153)123.
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Siwowski, Tomasz W., Mateusz Rajchel und Damian Kaleta. „Development, testing and construction of the hybrid FRP composite – concrete road bridge“. In IABSE Symposium, Vancouver 2017: Engineering the Future. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2017. http://dx.doi.org/10.2749/vancouver.2017.1824.
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Dmitrienko, G. V. „Testing and Diagnostics of Carbon Polymer Composite Materials by Radio Wave Method Used in Aircraft Construction“. In Modern Trends in Manufacturing Technologies and Equipment. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901755-48.
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Abstract. The article is devoted to the applicability of radio wave methods of testing and diagnostics of aviation composites for newly launched products. The description of the measurement process is also considered by the method of integral equations.
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McKinnon, Colin, David J. Miles und Raymond N. Burke. „Code Compliance of a New Metallic Composite Pipeline“. In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31254.
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The composite pipe system, known as XPipe™, is a steel strip laminate technology which uses high-performance adhesives to manufacture a metallic composite pipe. It offers a new method of low cost pipeline construction suitable for onshore gas and oil pipelines in a variety of configurations. The pipe is based on a thin wall liner that provides the fluid containment, the material of which will vary according to service requirements. Fusion bonded epoxy (FBE) coated martensitic ultra-high strength steel strips are then pre-formed and helically wound around the liner to form a laminated high strength reinforcing layer providing the pipe’s hoop strength. These are bonded using an adhesive. Unlike conventional linepipe that is manufactured in a pipe mill away from the construction site, this lightweight composite pipe can be produced at the construction facility using a portable manufacturing line. All components of the manufacturing process fit within standard ISO containers, each weighing between 5 and 15 tonnes. This allows for easy transportation via truck, and handling or shipping. Existing regulations and codes make no specific reference to metal composite pipes. They are mainly written for steel pipe lines with some mention of plastic pipe. The paper presents a comprehensive review of the following US onshore design codes (ASME B31.4/B31.8) and relevant regulations (CFR (DOT) 49 P192 / P195) in order to establish the applicability of these codes for use on XPipe. The paper describes how XPipe meets the code and regulation requirements with regard to safety, design, material, construction, inspection, testing, operation and maintenance. The paper will identify any areas where XPipe does not meet code and regulation requirements and describe the testing and /or design changes that have been made in order to meet the code requirements. The paper will focus on the how the XPipe can meet the practical requirements of these codes. The paper will describe how the qualification testing is being performed in accordance with DNV-RP-A203 Qualification Procedures for New Technology. The qualification testing focuses on how the XPipe meets or exceeds pipeline safety margins with regard to typical failure modes such as yield, burst, facture, fatigue, collapse, etc. This is a continuous process and is being updated after each step using the available knowledge on the status of the qualification.
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Disatell, Joel, E. Alan Coats und Carl D. Veley. „The Role of HSE in Field Testing the World's First Well Construction System Using Composite Pipe“. In Offshore Technology Conference. Offshore Technology Conference, 2002. http://dx.doi.org/10.4043/14290-ms.
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Berichte der Organisationen zum Thema "Composite construction Testing":
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Thompson, Marshall, und Ramez Hajj. Flexible Pavement Recycling Techniques: A Summary of Activities. Illinois Center for Transportation, Juli 2021. http://dx.doi.org/10.36501/0197-9191/21-022.
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Cold in-place recycling (CIR) involves the recycling of the asphalt portions (including hot-mix asphalt and chip, slurry, and cape seals, as well as others) of a flexible or composite pavement with asphalt emulsion or foamed asphalt as the binding agent. Full-depth reclamation (FDR) includes the recycling of the entire depth of the pavement and, in some cases, a portion of the subgrade with asphalt, cement, or lime products as binding agents. Both processes are extensively utilized in Illinois. This project reviewed CIR and FDR projects identified by the Illinois Department of Transportation (IDOT) from the Transportation Bulletin and provided comments on pavement designs and special provisions. The researchers evaluated the performance of existing CIR/FDR projects through pavement condition surveys and analysis of falling weight deflectometer data collected by IDOT. They also reviewed CIR/FDR literature and updated/modified (as appropriate) previously provided inputs concerning mix design, testing procedures, thickness design, construction, and performance as well as cold central plant recycling (CCPR) literature related to design and construction. The team monitored the performance of test sections at the National Center for Asphalt Technology and Virginia Department of Transportation. The researchers assisted IDOT in the development of a CCPR special provision as well as responded to IDOT inquiries and questions concerning issues related to CIR, FDR, and CCPR. They attended meetings of IDOT’s FDR with the Cement Working Group and provided input in the development of a special provision for FDR with cement. The project’s activities confirmed that CIR, FDR, and CCPR techniques are successfully utilized in Illinois. Recommendations for improving the above-discussed techniques are provided.
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SHEAR BEHAVIOR OF NOVEL DEMOUNTABLE BOLTED SHEAR CONNECTOR FOR PREFABRICATED COMPOSITE BEAM. The Hong Kong Institute of Steel Construction, Dezember 2022. http://dx.doi.org/10.18057/ijasc.2022.18.4.2.
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Annotation:
Bolted shear connectors offer alternatives to achieve steel-concrete composite action instead of conventional welded headed studs especially for prefabricated constructions and demountable composite structures. This paper firstly proposed a new type of demountable steel-concrete bolted shear connectors based on the double-nut friction-grip high strength bolted connector, which modify the upper nut into conical locking nut. This paper performed ten full scale push-out tests to study shear behaviors of the developed new type of connectors. Testing parameters included bolt configuration, strength, diameter of bolts and strength of infilled grout. Test results indicate that shear behaviors and slip capacity of the conventional bolted connectors are significantly improved when the bolted connector incorporating with conical locking nut. The influences of these studied parameters on shear behaviour of novel bolted shear connectors are revealed and discussed. The developed novel demountable connector exhibits an average 25% improvement in ultimate shear resistance over conventional bolted connectors. Moreover, the shear stiffness of the developed bolted connectors is about six times of the conventional bolted connector through eliminating the clearance between steel flange hole and bolt shank.
