Relevant bibliographies by topics / Composite beam

Academic literature on the topic 'Composite beam'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 June 2024

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Journal articles on the topic "Composite beam"

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Zhao, Wei Jian, Jia Xin Tong, Shen Ming Yuan, and Ye Nan Guo. "Research Progress on Reinforced Concrete Composite Beam in China." Applied Mechanics and Materials 584-586 (July 2014): 939–43. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.939.

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Reinforced concrete composite beam plays a very important role in the precast concrete structure, composite beam research is critical. Based on the research results about it in China, on the one hand, from the traditional composite beams to the improved ones, the various kinds of composite beams were concluded; on the other hand, the applications of new building materials in the composite beams had been included, which included fiber reinforced cement-based composites, steel fiber reinforced concrete, reactive powder concrete and crumb rubber concrete. Through to the both related tests and theoretical studies, the progress of the composite beams was summarized. Finally, the further research was prospected.
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Endriatno, Nanang. "Experimental Investigation on Vibration Responses of Fiberglass Reinforced Plastic." International Journal of Engineering and Computer Science 10, no. 4 (April 26, 2021): 25316–20. http://dx.doi.org/10.18535/ijecs/v10i4.4575.

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The purpose of this study is to analyze the vibration displacement on fiberglass reinforced plastic beams with variations a number of fibers in the resin matrix. Composite beams was made of fiberglass and polyester resin matrix with a number of fiberglass: 0, 24, and 48. Composite beams was manufactured by hand lay-up method with the unidirectional fiber orientation. The composite beams used have the dimension of length: 500 mm, height: 20 mm, and width: 20 mm. During the experimental test, the beam was vibrated using an exciter motor which was placed at the end of the cantilever support then using a vibration meter, the vibration displacement data (mm) was measured by placing the vibration transducer postions : 50 mm, 250 mm, and 450 mm from the cantilever support. During the vibration test, the vibration displacement data on the vibration meter screen were recorded using a camera recorder and the data was taken 6 times at each of measurement points. The experimental and analysis results show that the value of vibration displacement (mm) decreases when the fiberglass is added to the composite beam, or in other words, the addition of fiberglass provides an increase in the ability of the beam to withstand vibrations. The maximum vibration displacement value on composites with 0 fiberglass: 0.641 mm, then the vibration displacement decreased in composites with 24 fiberglass: 0.506 mm and the lowest displacement value for the composites with 48 fiberglass: 0.395 mm. Whereas for 3 measurement points at positions 5 cm, 25 cm, and 45 cm along the beam for three kind of the composites, the maximum value of vibration displacement value was obtained at the end of beam composites or at 45 cm from cantilever support: 0.735 mm on composite beam with 0 fiberglass and minimum at position 5 cm near the cantilever support with the value of vibration displacement: 0.323 mm on composite beam with 48 fiberglass.
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Du, Huanhuan, Jianyou Pan, Huaxun Shen, and Jie Dong. "Numerical Analysis of Flexural Behavior of Prestressed Steel-Concrete Continuous Composite Beams Based on BP Neural Network." Computational Intelligence and Neuroscience 2022 (May 10, 2022): 1–10. http://dx.doi.org/10.1155/2022/5501610.

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Prestressed steel-concrete continuous composite beam (PCCB) is a kind of beam, which makes reinforced concrete slab and steel beam bear load and coordinate deformation through connectors such as studs. Prestressed steel-concrete continuous composite beam is a kind of transverse load-bearing composite member formed by prestressed technology on the basis of ordinary composite beam. Aiming at the flexural behavior of prestressed steel-concrete continuous composite beams, a three-dimensional finite element numerical analysis model is established, and the whole process of the test is simulated based on BP neural network. The calculated results are in good agreement with the test. Using this model, the mechanical deformation performance of prestressed steel-concrete continuous composite beam is further analyzed, and the effects of some parameters (steel beam strength grade, concrete strength grade, concrete slab thickness, and transverse reinforcement ratio) on the flexural performance of prestressed steel-concrete continuous composite beam are discussed, which provides a reference basis for engineering design.
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Lyu, Yu-Ting, Tsung-Pin Hung, Her-Chang Ay, Hsiu-An Tsai, and Yih-Cherng Chiang. "Evaluation of Laminated Composite Beam Theory Accuracy." Materials 15, no. 19 (October 6, 2022): 6941. http://dx.doi.org/10.3390/ma15196941.

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Carbon fiber-reinforced polymer (CFRP) has been widely implemented in electric vehicle bodies and aircraft fuselage structures. The purpose of CFRP is to reduce the weight and impart rigidity in the final product. A beam structure is typically used to bear the structural load, and the rigidity of the beam can be changed by arranging the laminated fibers at different angles. In this study, a composite I-beam is used as an example in engineering components. Because the theoretical model of the superimposed composite I-beam is established, the theoretical formula is based on the theoretical assumptions of the two-dimensional composite beam, and is combined with the traditional composite plate theory to analyze the maximum bending stress, strain, and deflection. During the theoretical derivation, it is assumed that the flanges of the I-beams are divided into narrow and wide flanges. The beams are considered as structures of beams and flatbeds. When a narrow flange is loaded in the side, the wide flange has no lateral deformation, and the lateral moments are neglected. Therefore, the accuracy of this formula needs to be verified. The purpose of this study is to verify the accuracy of theoretical solutions for the deflection and stress analysis of composite beams. A finite element analysis model is used as the basis for comparing the theoretical solutions. The results indicate that when the aspect ratio of the beam is >15, the theoretical solution will have better accuracy. Without the addition of the material, when 0° ply is placed on the outermost layer of the flange of the nonsymmetric beam, the effective rigidity of the beam is increased by 4–5% compared with the symmetrical beam. The accuracy range of the theoretical solution for the composite beams can be accurately defined based on the results of this study.
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Gupta, Amit Kumar, R. Velmurugan, and Makarand Joshi. "Comparative Study of Damping in Pristine, Steel, and Shape Memory Alloy Hybrid Glass Fiber Reinforced Plastic Composite Beams of Equivalent Stiffness." Defence Science Journal 68, no. 1 (December 18, 2017): 91. http://dx.doi.org/10.14429/dsj.68.11793.

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<p class="p1">Several efforts were made over the years to control vibration of structural components made of composite materials. This paper consists of study on effect of using shape memory alloy (SMA) to increase the damping of glass fiber reinforced plastic (GFRP) composites. A comparative study between SMA and steel was made as reinforcement material in GFRP composites to enhance damping. Dimensions of each beam were calculated such that all the beams i.e. pristine GFRP beam, GFRP beam embedded with steel wires and GFRP beam embedded with SMA wires have same flexural stiffness and first mode of frequency of vibration. Damping ratio was measured experimentally through logarithmic decay method. Through experiments damping ratio obtained for SMA hybrid composite beam was found to be higher as compared to the pristine and steel hybrid GFRP composite beams.</p><p class="Text"><span> </span></p>
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Bauchau, O. A., and C. H. Hong. "Nonlinear Composite Beam Theory." Journal of Applied Mechanics 55, no. 1 (March 1, 1988): 156–63. http://dx.doi.org/10.1115/1.3173622.

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The modeling of naturally curved and twisted beams undergoing arbitrarily large displacements and rotations, but small strains, is a common problem in numerous engineering applications. This paper has three goals: (1) present a new formulation of this problem which includes transverse shearing deformations, torsional warping effects, and elastic couplings resulting from the use of composite materials, (2) show that the small strain assumption must be applied in a consistent fashion for composite beams, and (3) present some numerical results based on this new formulation to assess its accuracy, and to point out some distinguishing feature of anisotropic beam behavior. First, the predictions of the formulation will be compared with experimental results for the large deflections and rotations of an aluminum beam. Then, the distinguishing features of composite beams that are likely to impact the design of rotating blades (such as helicopter blades) will be discussed. A first type of extension-twisting coupling introduced by the warping behavior of a pretwisted beam is discussed, then, a shearing strain squared term, usually neglected in small strain analyses, is shown to introduce a coupling between axial extension and twisting behavior, that can be significant when the ratio E/G is large (E and G are Young’s and shearing moduli of the beam, respectively). Finally, the impact of inplane shearing modulus changes and torsional warping constraints on the behavior of beams exhibiting elastic couplings is investigated.
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Duan, Shaowei, Wenzhao Zhou, Xinglong Liu, Jian Yuan, and Zhifeng Wang. "Experimental Study on the Bending Behavior of Steel-Wood Composite Beams." Advances in Civil Engineering 2021 (June 26, 2021): 1–12. http://dx.doi.org/10.1155/2021/1315849.

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This paper proposes a steel-wood composite beam with H-shaped steel beam webs glued to the wood. As a new type of composite beam, it combines the advantages of low energy consumption of wood, high permeability, and less pollution and the advantages of light weight and high strength of steel, high degree of assembly, short construction period, and less construction waste generated. Carrying out research is of great significance to improve the mechanical properties of steel-wood composite beams and promote the development of steel-wood composite structures. In this paper, three hot-rolled H-beam-larch composite beams and one pure steel beam were tested for bending capacity. The composite beams are divided into two different combinations of A and B types. The two sides of the web are connected with larch wood by structural glue to form a composite beam. The type B composite beam is a larch wood glued on both sides of the H-shaped steel web and penetrates the bolts at the same time. Through the three-point monotonic static grading loading of the composite beam, the deflection change, failure phenomenon, and form of the specimen during the experiment were observed. Under the circumstances, the ultimate bearing capacity of the test piece was changed to study the combined effect of larch and hot-rolled H-shaped steel. The results show that the overall performance of the H-shaped steel-larch composite beam is good. Bonding wooden boards on both sides of the steel beam web can improve the bearing capacity, and the form of the member is more reasonable and effective; increasing the cross-sectional size of the H-beam in the steel-wood composite beam can further improve the bearing capacity of the composite beam; adding bolt anchorage on the basis of the structural glue used in the composite beam can further improve the bearing capacity of the composite beam. The superposition principle is used to simplify the calculation of the ultimate bearing capacity of H-shaped steel-larch composite beams. Comparing the calculation results with the test results, the data are in good agreement, which can provide a design reference for the practical application of such composite beams.
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Song, Xingyu, Yan Liu, Xiaodong Fu, Hongwei Ma, and Xiaolun Hu. "Experimental Study on Flexural Behaviour of Prestressed Specified Density Concrete Composite Beams." Sustainability 14, no. 22 (November 8, 2022): 14727. http://dx.doi.org/10.3390/su142214727.

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To solve the problem of poor seismic resistance due to the disadvantages of traditional concrete composite beams, such as heavy self-weight in prefabricated buildings, prestressed specified-density concrete composite beams are proposed herein. First, a mix ratio test of specified-density concrete was performed. Second, five prestressed specified-density composite beams, a prestressed ordinary concrete composite beam, and a prestressed semi lightweight concrete cast-in-situ beam were tested. The influence of the precast concrete height, reinforcement ratio, and concrete materials on the failure mechanism, flexural bearing capacity, and short-term stiffness of the composite beams were analysed. From the results, the specified-density concrete composite beams and the ordinary composite beam had similar ultimate bearing capacities, but the average distance between crack spacings of the former was smaller. The precast concrete height affected the bending performance of the prestressed specified density concrete composite beam insignificantly, but the maximum ultimate bearing capacity of the composite beam could be increased by 35.6% by increasing the reinforcement ratio. The composite beam and the cast-in-place beam exhibited similar load-carrying capabilities and deformation properties. The average crack spacing, cracking load, and ultimate load value of the specified density concrete composite beams calculated according to the China national standard “Code for design of concrete structures” were consistent with the measured values.
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Al-Thabhawee, Hayder Wafi. "Experimental investigation of composite steel–concrete beams using symmetrical and asymmetrical castellated beams." Curved and Layered Structures 9, no. 1 (January 1, 2022): 227–35. http://dx.doi.org/10.1515/cls-2022-0019.

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Abstract This study aims to investigate the behavior of concrete slabs acting compositely with symmetrical and asymmetrical castellated beams. Stud connectors are used to connect the concrete slab and steel section. The use of castellated steel beams to build up composite steel-concrete beams is now common practice in building construction. Five simply supported composite beams were examined under two-point loading. Two specimens built up from standard steel beams were used as control specimens and three specimens were built up from castellated steel beams. One of these specimens was built up using a castellated steel beam with an asymmetrical cross-section fabricated from two different standard sections (IPE120/HEA120). The concrete slab of all composite specimens had the same dimensions and properties. The experimental results showed that strength and rigidity were considerably greater for composite castellated steel beams compared to composite beams built up from the parent sections. The ultimate load capacity of a composite castellated beam fabricated from an IPE120 section was 46% greater than that of a composite beam built up using the parent beam, and the ultimate load capacity of a composite castellated beam fabricated from a wide-flanged HEA120 section resulted in an increase of 21% over the parent beam control specimen. The ultimate load capacity of the composite specimen built up using the asymmetrical castellated beam (IPE120/HEA120) achieved increases of 69% and 12%, respectively, compared to the control specimens built up from standard sections.
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R, Manimaran. "Composite Delta Beam for Slim Floor Construction." International Journal for Research in Applied Science and Engineering Technology 12, no. 3 (March 31, 2024): 382–88. http://dx.doi.org/10.22214/ijraset.2024.58811.

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Abstract: The structural behaviour of the composite Flush Beam for slim floor as a whole has been investigated. The deformation behaviour of the structural members Steel beams with trapezoidal cross-sections and specially punched webs were developed as composite beams in slim floors. The estimation of the flexural stiffness and bending capacity of composite slim beams is rather complicated, because the influence of many factors should be taken into account. These factors include variable section dimensions, Profile of the beam, stiffness of the beam and interaction between steel and concrete. In this paper, analytical investigations have been conducted to investigate the deflection behaviour of Flush beam specimens under monotonic loading. A design procedure is developed for composite slim floor Flush beams based on cross-sectional analysis and the flexural properties of the slim floor beams are evaluated. From the analytical investigation it was found that the deflection of delta beam is 48% less than the conventional I-beam More over the stiffness of the Delta beam is 49.8% higher than the I-beam
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Dissertations / Theses on the topic "Composite beam"

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Elghazouli, Ahmed Youssef. "Earthquake resistance of composite beam-columns." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/7906.

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Chandrasekaran, Ganesh. "Dynamic analysis of a composite moving beam." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1526.

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Thesis (M.S.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains xi, 159 p. : ill. Includes abstract. Includes bibliographical references (p. 156-159).
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LeBlanc, David N. "Beam shear connections to HSS composite columns." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63273.

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Oh, Seung-Taek. "Impact response of pultruded composite beam structure." Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431767.

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Dissanayake, Udaya Indrajith. "The influence of the composite beam-to-steel column joint on the behaviour of composite beams in frames." Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389752.

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Davis, Richard Anthony. "The Effects of a Damage Arrestment Device on the Mechanical Behavior of Sandwich Composite Beams Under Four-Point Bending." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/506.

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The demand for an insert on composite sandwich structures to aid in the arrestment of face-core delamination is of great need. This research studies the use of a damage arrestment device (DAD) that connects the carbon fiber face sheets to the foam core to find whether an increase in the structural integrity of the sandwich beam results. Experimental analysis was employed to test the samples and was verified by a theoretical and finite element approach. The mechanical properties of LTM45/CF1803 pre-impregnated carbon fiber and Last-A-foam FR 6710 polyvinylchloride foam were experimentally analyzed using ASTM D3039 and ASTM D1621 standards respectively to verify the manufacturer’s data for the given material. With all the mechanical data, the effects of adding DAD keys to a delaminated composite sandwich beam were studied under a four-point bending test using ASTM standard D6272 and compared with non-delaminated beams to see if an increase in ultimate strength could be achieved. The initial delamination in the beams under consideration was one inch in length and located in between the loaded span of the beam. Two control beams were utilized for comparison: one with no defects, and another with a one inch delamination introduced at the face-core interface. The DAD keys were added in two different configurations to potentially stop the delamination propagation and increase the ultimate strength. In the first configuration DAD keys were added 0.25 inches on either side of the initial delamination in the transverse direction and provided a significant increase in strength over the delaminated control beam. The second configuration had a DAD key running along the longitudinal axis of the sandwich beam and resulted in a significant increase in ultimate strength over the delaminated control beam. After testing ten successful samples for each of the six different configurations, it was concluded that the addition of DAD keys in both configurations significantly increased the structural integrity of both the delaminated and non-delaminated control beams. With all the experimental data acquired, finite element models were created in COSMOS. The purpose of the finite element analysis was to validate the experimental results by comparing the deflections of the beam subjected to four-point bending during the experiment to the deflections found numerically. The deflections for the various DAD key configurations found in the experimental work were in agreement with the finite element results.
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Kim, Dong Keon. "A Database for Composite Columns." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7126.

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A database of composite column tests was augmented and utilized to evaluate the proposed AISC 2005 provisions. The database consists of column and beam-column steel-concrete columns (or encased, SRC), circular concrete filled tubes (CCFT), and rectangular concrete filled tube (RCFT). Information on material and geometric properties on each specimen was summarized. The database includes 119 SRC columns, 136 SRC beam-columns, 312 circular CFT columns, 198 circular CFT beam-columns, 222 rectangular CFT columns and 194 rectangular CFT beam-columns. The database has a total of 1181 specimens, an addition of 451 specimens over those in the original database (Aho 1996). The data on each specimen was analyzed and compared with current design provision for composite columns (AISC 1999 and Eurocode 4), and reassessed by the upcoming 2005 AISC specification. The data indicates that the Eurocode gives good predictions for columns and the AISC 2005 method performs very well for beam-columns. For rectangular CFT columns, all three methods predict the ultimate capacity very well. The main improvement for the AISC 2005 method is its ability to handle specimens which have high yield stress and/or high strength concrete.
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Jackson, Rahsean LaNaul. "Vibration and Flexural Strength Characteristics of Composite Castellated Beams." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/31242.

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With the development of lightweight concrete and design optimizations, floor vibration problems are becoming a serious serviceability problem. The castellated beam is a prime example and was the focus of this study. The vibration and flexural strength performance were verified in this paper.

The vibration characteristics of castellated beams were examined using experimental and analytical test methods. The effective moment of inertia is essential to accurately predict the frequency and deflection of a floor system due to human occupancy. Since castellated beams have non-prismatic cross-sections, their effective moment of inertia is an uncertainty and was verified in this study. This paper confirmed the accuracy of the AISC Design Guide procedures used in for prismatic beam, when applied to castellated beams.

The flexural strength of various composite castellated beam were studied. Three full-scale specimens were tested to failure to evaluate their yield and maximum applied load. Each specimensâ moment strength was verified based on span, beam properties, concrete slab, and amount of shear connection.
Master of Science

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Al, Shawawreh Sewar F. "Three-Dimensional Finite Element Modeling of Non-Composite and Composite Adjacent Box Beam Bridges." Ohio University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1534516905239026.

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Heidarpour, Amin Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Behaviour of steel and steel-concrete composite beams and beam-to-column connetions at elevated temperatures." Awarded by:University of New South Wales. Civil & Environmental Engineering, 2007. http://handle.unsw.edu.au/1959.4/40555.

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The current research work investigates the behaviour of steel and composite beams as well as beam-to-column connections at elevated temperatures. Significant attention is needed to identify the main issues. as the behaviour is profoundly different from that at ambient temperature. Local buckling of the beam flange outstands has been found to be highly significant in accelerating the development of catenary action in fire, since this action is reliant on hinges forming which may result from local buckling. Local buckling of the beam web, which experiences a non-uniform temperature variation, is also important because the mechanical properties of the steel are degraded non-uniformly from their ambient values. Current formulations for web buckling at ambient temperature therefore need substantial revision at elevated temperatures. Very large compressive forces are developed within the beams initially and these induce large stresses in the column web; hitherto this has not been considered. Developing a formulation representing the mechanics of this potential failure zone in the column web in the compression region of the connection is a useful and needed addition to research in the topic. Predicting the critical temperature in a connection that causes failure of the bolts, end plate and column flange in the tension zone of the connection is considered in this research work. An elastic analysis of a panel zone in a rigid or semi-rigid joint in a steel frame, which is based on simple equilibrium considerations that takes into account the shear and flexural deformations of the panel zone, is developed at elevated temperatures. In order to model the structural response of a composite beam restrained by cooler members in a steel compartment fire in a frame structure at elevated temperature, recourse is needed to a geometric nonlinear formulation, since the beam transverse deflections are not negligible and the axial eompressive force in the member is also substantial at the early stages of the fire. This thesis presents such a formulation, which incorporates partial interaction between the concrete slab and steel component, as well as the degradation of the stiffnesses of the components of the composite beam prior to yield at elevated temperature.
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Books on the topic "Composite beam"

1

Electron beam curing of composites. Munich: Hanser Publications, 2010.

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Martin, Roderick H. Evaluation of the split cantilever beam for mode III delamination testing. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1989.

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W, Nixon Mark, Rehfield Lawrence W, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Comparison of composite rotor blade models: A coupled-beam analysis and an MSC/NASTRAN finite-element model. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1987.

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Ragon, Scott A. Optimization of composite box-beam structures including effects of subcomponent interaction. Blacksburg, VA: College of Engineering, Virginia Polytechnic Institute and State University, 1995.

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Center, Langley Research, ed. Friction and wear behavior of aluminum and composite I-beam stiffened airplane skins. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1985.

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Center, Langley Research, ed. Friction and wear behavior of aluminum and composite I-beam stiffened airplane skins. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1985.

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Center, Langley Research, ed. Friction and wear behavior of aluminum and composite I-beam stiffened airplane skins. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1985.

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Lai, Zhichao. Composite special moment frames: Wide flange beam to concrete-filled steel column connections. Reston, Virginia: American Society of Civil Engineers, 2020.

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D, Roberts Gary, Papadopoulos Demetrios S, and United States. National Aeronautics and Space Administration., eds. The effect of contact stresses in four-point bend testing of graphite/epoxy and graphite/PMR-15 composite beams. [Washington, DC: National Aeronautics and Space Administration, 1992.

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D, Roberts Gary, Papadopoulos Demetrios S, and United States. National Aeronautics and Space Administration., eds. The effect of contact stresses in four-point bend testing of graphite/epoxy and graphite/PMR-15 composite beams. [Washington, DC: National Aeronautics and Space Administration, 1992.

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Book chapters on the topic "Composite beam"

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Tenek, Lazarus Teneketzis, and John Argyris. "Composite beam element." In Solid Mechanics and Its Applications, 47–133. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-015-9044-0_5.

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Dujmović, Darko, Boris Androić, and Ivan Lukačević. "Beam to Beam Joints." In Composite Structures According to Eurocode 4, 879–82. D-69451 Weinheim, Germany: Wiley-VCH Verlag GmbH, 2015. http://dx.doi.org/10.1002/9783433604908.ch25.

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Shao, Changyu. "Composite Deck (Beam) Arch Bridges." In Cable Supported Composite Bridges, 339–513. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3208-5_5.

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Aydogdu, Metin. "Thermal Buckling of Composite Beam." In Encyclopedia of Thermal Stresses, 4904–10. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-2739-7_477.

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Murín, Justín, Vladimír Kutiš, Michal Masný, and Rastislav Ďuriš. "Composite (FGM’s) Beam Finite Elements." In Composites with Micro- and Nano-Structure, 209–37. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6975-8_12.

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Dujmović, Darko, Boris Androić, and Ivan Lukačević. "Beam to Column Joints." In Composite Structures According to Eurocode 4, 883–85. D-69451 Weinheim, Germany: Wiley-VCH Verlag GmbH, 2015. http://dx.doi.org/10.1002/9783433604908.ch26.

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Zhang, Yue, and Xian Cui. "Experimental Study on the Self-Repair Properties of Shape Memory Alloy Concrete Beam." In Advances in Frontier Research on Engineering Structures, 409–18. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_36.

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AbstractThe one-way memory composite super-elastic shape memory alloy wires were laid on the bottom of the reinforced concrete beam to make the intelligent concrete beam. The paper compares the self-repair properties of each test beam, and analyzes the influence of different memory filament ratio and different damage degree on the self-repair properties of SMA reinforced concrete beams. The test results suggest that the shape memory alloy can improve the self-repair ability of the concrete beam, the best when the damage degree is 70 and 50%.
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Mottram, J. Toby. "Structural Properties of a Pultruded E-Glass Fibre-Reinforced Polymeric I-Beam." In Composite Structures, 1–28. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3662-4_1.

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Wolff-Fabris, Felipe, Volker Altstädt, Ulrich Arnold, and Manfred Döring. "Electron Beam Curing Applied to Composite Molding Technologies." In Electron Beam Curing of Composites, 85–91. München: Carl Hanser Verlag GmbH & Co. KG, 2010. http://dx.doi.org/10.3139/9783446433465.003.

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Beziers, D., B. Capdepuy, and E. Chataignier. "Electron Beam Curing of Composites." In Developments in the Science and Technology of Composite Materials, 73–78. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0787-4_7.

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Conference papers on the topic "Composite beam"

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Sarker, Pratik, and Uttam K. Chakravarty. "Dynamic Analysis of a Cracked Composite Beam." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113709.

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Abstract Composite materials tailored for specific applications exhibit customized properties which the ordinary materials do not possess. Therefore, performance analysis of composite materials for desired applications is important to ensure the longer life of the structure without failure. When subjected to dynamic loading, the crack growth and corresponding vibration behavior of the composite structures are of special interest. Therefore, in this research, vibration characteristics of a proposed cracked composite beam is investigated by conducting computational simulation. The composite structure is composed of four layers of fiberglass-epoxy material and a soft honeycomb structure sandwiched between the top and bottom layers of the composite material. Symmetric configurations of different ply angles of composites with respect to the midplane of the structure are used. The corresponding finite element model is created in the commercially available finite element package of Abaqus. A V-shaped crack is considered in the composite beam structure with various crack opening sizes. The variations of natural frequencies of vibration of the composite cracked beam with variations in the crack opening sizes are presented for different modes. Then the variations of natural frequencies with the depths and positions of the cracks along the length of the beam are studied. Variations of vibration characteristics are presented for the composite beam for the rotating and nonrotating cases. Convergence study for the solution accuracy of the beam is conducted for both the rotating and nonrotating cases.
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de Menezes, Eduardo A. W., Sandro C. Amico, and Rogério J. Marczak. "Numerical Modelling of Helical Cables Using Beam Elements." In Brazilian Conference on Composite Materials. Pontifícia Universidade Católica do Rio de Janeiro, 2018. http://dx.doi.org/10.21452/bccm4.2018.16.04.

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Guezouli, Samy, Hugues Somja, Sao Serey Kaing, and Alain Lachal. "Numerical Modelling of Composite Beam-to-Beam Joints-Innovative Solutions." 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)44.

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"Behavior of CFT Column-WF Beam Moment." In SP-174: Hybrid and Composite Structures. American Concrete Institute, 1998. http://dx.doi.org/10.14359/5957.

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"Analytical Modeling of Through Beam Connection Detail." In SP-196: Composite and Hybrid Systems. American Concrete Institute, 2000. http://dx.doi.org/10.14359/9995.

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Sheehan, Therese, Xianghe Dai, Jie Yang, Kan Zhou, and Dennis Lam. "Flexural behaviour of composite slim floor beams." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.6963.

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Composite slim floor beams comprise a steel section embedded in a concrete slab, offering the advantages of a steel-concrete composite structure combined with a reduced floor depth. Several mechanisms contribute to the shear connection in this type of beam, such as headed studs, friction and clamping effects and the using of reinforcement bars passing through holes in the steel beam web. However, to date, nobody has systematically identified these mechanisms and Eurocode 4 does not provide specific design guidance for slim floor beams. Hence, a series of shear beam tests and flexural beam tests were carried out in order to assess the degree of shear connection and connector capacity in these beams. The test set-up is described including different arrangements of shear connectors for each specimen. The paper presents the findings from the flexural beam tests. The results are compared with those from the previous shear beam tests. Numerical models will be developed in future to extend the data and include a wider range of parameters. The data will also be used to improve understanding of this type of beam and will lead to the provision of specific design guidelines for slim floor beams.
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MacRae, Gregory, Michael Hobbs, Des Bull, Tushar Chaudhari, Roberto Leon, Charles Clifton, and Geoff Chase. "Slab Effects on Beam-Column Subassemblies—Beam Strength and Elongation Issues." In International Conference on Composite Construction in Steel and Concrete 2013. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479735.007.

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Alam, Shah, and Guoqiang Li. "A Study of Hybrid Composite Sandwich Beam." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11845.

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Abstract This study presents the testing and numerical modeling results of composite sandwich beams. The sandwich beams are constructed from balsa wood in the core and high strength steel wire and E-glass fiber reinforced polymer composite in the facings. The testing of these beams is performed using a monotonic static four-point loading to failure in accordance with ASTM C393-00. Local strain distribution in the mid-span of the beams is obtained using strain gauges. Mid-span deflections of the beams are real-time measured using linear variable displacement transducer (LVDT). From the experimental results, flexural properties of the beams are calculated, including bending stiffness, bending strength, core shear strength, and facing modulus, core modulus, etc. The experimental results have shown that the beams have all failed in the compression zone by local buckling of the top face and shear of the core. The bottom skin does not exhibit any type of premature failure or distress. No bond failure of the composite in the tension zone is observed in any of the tested beams. Finite element modeling of the beam has been conducted using ANSYS. The mechanical properties of the skin and core material used in finite element modeling have been determined by testing of coupons. The predicted results are compared to experimental results, with a reasonable agreement.
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Nasalski, W., and T. Tamir. "Composite beam-shifting effects in critical incidence conditions." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.fx2.

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The lateral displacement of beams reflected by a dielectric interface has been measured1 by determining the distance that the intensity peak of the beam is shifted with respect to the location predicted by geometrical optics. The measured results showed poor agreement with the theoretical values in the vicinity of the critical angle of total reflection θc. Recent work has revealed2 that the lateral displacement is accompanied by a focal shift for incidence angles θ > θ c and both of these phenomena are essentially replaced by an angular beam shift for θ < θ c . However, for θ ≃ θc, all three shifting effects are comparable in magnitude. As a result, the peak intensity of the beam is displaced through a length that depends on all these three effects, as well as on the distance between the reflected beam waist and the measurement plane. By taking this into account and using a more accurate analysis, we show that the theoretical and measured data can be reconciled.
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"Wound composite beam internal structure optimization." In Engineering Mechanics 2018. Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, 2018. http://dx.doi.org/10.21495/91-8-873.

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Reports on the topic "Composite beam"

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Tang, P. Y., and J. S. Burns. Preliminary Report on Super Composite Beam and Split Cylinder Experiments. Fort Belvoir, VA: Defense Technical Information Center, July 2000. http://dx.doi.org/10.21236/ada389314.

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Turk, Chris, John F. Hunt, and David J. Marr. Cantilever-beam dynamic modulus for wood composite products. Part 1, apparatus. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2008. http://dx.doi.org/10.2737/fpl-rn-308.

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Mandell, J. F., D. D. Samborsky, D. W. Combs, M. E. Scott, and D. S. Cairns. Fatigue of Composite Material Beam Elements Representative of Wind Turbine Blade Substructure. Office of Scientific and Technical Information (OSTI), January 1998. http://dx.doi.org/10.2172/14386.

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Xiang, Da, Yuqing Liu, and Xiaoqing Xu. STUDY ON SLAB TRANSVERSE MOMENT DISTRIBUTION IN TWIN GIRDER CROSS-BEAM COMPOSITE BRIDGE. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.041.

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Bond, Robert Bailey. Design of steel headed stud anchors in concrete-filled steel composite deck. Northeastern University, 2022. http://dx.doi.org/10.17760/d20473849.

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This paper reports common failure mechanisms of steel headed stud anchors (shear studs) in concrete-filled steel composite decks found in the literature comprised through an extensive database of push-out tests representing multiple shear stud configurations used in composite construction around the world. Monotonically and cyclically loaded push-out test specimens perpendicular or parallel steel deck, or in solid slabs, are included in the evaluation. Comparisons to experimental strengths are made with the steel headed stud anchor strength prediction methods from various international Codes and Standards along with other mechanics-based design provisions proposed in the literature. It was found that the prediction for concrete failure modes is often over-predicted, especially in deck perpendicular configurations. Two alternative design equations are presented within the context of the AISC Specification to address consideration for concrete related failures and are validated through comparisons both with push-out tests and composite beam tests found in the literature.
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Janke, C. J. Structure-Processing-Property Relationships at the Fiber-Matrix Interface in Electron-Beam Cured Composite Materials. Office of Scientific and Technical Information (OSTI), November 1998. http://dx.doi.org/10.2172/2732.

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Sencu, Razvan M., and Yong C. Wang. EXPERIMENTAL INVESTIGATION OF THE PERFORMANCE OF DEMOUNTABLE COMPOSITE BEAM SHEAR CONNECTORS AT AMBIENT & ELEVATED TEMPERATURES. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.101.

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Sands, James M., Steven H. McKnight, and Bruce K. Fink. Formulation of Toughened Paste Adhesives for Reduced-Pollutant Electron Beam Repair and Assembly of Composite Structures. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada382718.

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Lee, Wall, and Burch. L52333 NDE and Inspection Techniques Applied to Composite Wrap Repairs. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 2012. http://dx.doi.org/10.55274/r0010468.

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The objective includes: Assess commercially available inspection methods to validate integrity of composite repair systems. Identify applicability to inspect composite overwrap and parent metal for both onshore and sub-sea pipelines (where information is available). Identify sources of data to include other users of composite materials(aerospace/aircraft, naval/ship repairs). Identify procedures and technologies to assess inspection effectiveness and provide a gap analysis. Interface with other PRCI projects on long-term testing of composite repairs and other joint industry projects on composite repairs to improve our understanding of long term durability of repairs. Identify global experience with composite repairs; not just North America. For general wall loss, radiography or electromagnetic techniques appear to be the best candidates. Standard radiography techniques can detect changes in wall thickness over a large area. Saturated low frequency systems, e.g. SLOFEC are good for a quick rapid scan of the area of interest. Pulsed eddy current, e.g. PEC, is also available for a general survey of the underlying substrate. For pinhole leaks, the electromagnetic techniques do not have sufficient resolution to detect defects of order 20 mm (0.8 in.) diameter and less. Standard radiography techniques can detect pinhole leaks down to diameters of 3 mm (0.12 in.) or less. Tangential radiography techniques are generally good for defect sizing but there are practical limitations with chord length (i.e. beam path through the pipe wall). Ultrasonic techniques could offer a potential solution but is currently limited due to the high attenuation of the composite repair material where through the repair inspection could only detect large diameter defects greater than 25 mm (1 in.) diameter on thin repairs less than 5 mm (0.2 in.). Detecting pin hole defects by applying the ultrasound along the axial direction of the substrate, effectively skipping the ultrasound under the repair, showed more promise. For delamination or debonding of the interface between the composite laminate and the steel substrate, laser shearography and microwave inspection appear to offer the best solution. Currently there is no single inspection technique that can be applied with confidence to the inspection of interfacial delaminations. Further developments are on-going to provide a solution to this challenging inspection problem. Acoustic emission is able to give an overall picture of the damage within the composite under live loads. It can be used as a QA tool to test the integrity of the repair. However, it is difficult to interpret the signals to gain any quantitative information about a particular defect.
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Xiao-Yan, SONG, ZHONG Wei-Hui, and ZHENG Yu-Hui. INVESTIGATION ON ANTI-COLLAPSE PERFORMANCE OF COMPOSITE BEAM-COLUMN SUBSTRUCTURE WITH WELDED FLANGE-BOLTED WEB CONNECTION IN MINOR-AXIS DIRECTION. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.029.

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