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Journal articles on the topic 'Composite beams'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 June 2025

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1

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 the

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2

Duan, Junyi, Huaixiao Yan, Chengcheng Tao, Xingyu Wang, Shanyue Guan, and Yuxin Zhang. "Integration of Finite Element Analysis and Machine Learning for Assessing the Spatial-Temporal Conditions of Reinforced Concrete." Buildings 15, no. 3 (January 30, 2025): 435. https://doi.org/10.3390/buildings15030435.

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Composite reinforcements are attracting attention in the reinforced concrete (RC) field for their high corrosion resistance, low thermal conductivity, and low electromagnetic interference behavior. However, compared to metallic reinforcements, composites are less ductile and may lead to brittle failure. Three-point flexural tests provide information on the mechanical behavior of metal- and composite-reinforced concrete beams with distinct crack patterns. The structural conditions and failure mechanisms can be defined based on stress change and crack propagation. This study employs finite eleme

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3

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

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4

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

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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

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6

Umer Sial, Sardar, and M. Iqbal Khan. "Performance of Strain hardening cementitious composite as strengthening and protective overlay in flexural members." MATEC Web of Conferences 199 (2018): 09005. http://dx.doi.org/10.1051/matecconf/201819909005.

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Strain-hardening cementitious composites (SHCC) are advanced type of cement-based composite materials having superior crack control and tensile properties. Owing to such characteristics, SHCC can be used for strengthening and crack-width control of structural members. This paper presents a study on the flexural response of reinforced concrete (RC) beams with different overlays of SHCC. The work consists of RC-SHCC overlay beams, in which SHCC overlays of different thicknesses (15% and 30% of beam height, plus cover) and reinforcement ratios (0% and 0.4%) were cast at the bottom of the RC beams

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7

Syaiful, Syaiful, and Randis Randis. "Experimental and Numerical Investigation of Fiber Direction on The Vibration Properties of Ananas Comosus Leaf Reinforced Epoxy Composite Beams." Journal of Fibers and Polymer Composites 2, no. 2 (October 30, 2023): 130–44. http://dx.doi.org/10.55043/jfpc.v2i2.74.

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Technological evolution and environmental awareness have driven the improvement of quality and renewable products, especially in natural fiber-reinforced composites. This study aims to analyze the stiffness and personal frequency of ACL fiber-reinforced composite beams due to the influence of the fiber direction. Next, compare experimental values with numerical. Composite beams are produced by varying the direction of the fibers 0°/0°/0°, -45°/0°/45° and -90°/0°/90° then supported by a simple support (clamp-roll). The exciter position is placed at 0-50 cm along the composite beam, then determi

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8

Wang, Boxin, Ruichang Fang, and Qing Wang. "Flexural Behavior of Fiber-Reinforced Self-Stressing Concrete T-Shaped Composite Beams." Advances in Civil Engineering 2020 (June 24, 2020): 1–17. http://dx.doi.org/10.1155/2020/8810440.

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Given the excellent crack resistance performance of steel fiber-reinforced self-stressing concrete (SFRSSC), the bending performance of some composite beams with SFRSSC laminated layers was studied. The experiment conducted in this study comprised a single-span composite beam test (including 3 test beams) and a two-span continuous composite beam test (including 2 test beams). All the test beams were T-shaped. The cracking load, yielding load, and ultimate load of all the test beams were recorded and comparatively analyzed. Experimental results showed that the cracking load of the test beam wit

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9

Han, Xiaoli, Jian Dai, Wei Qian, Zhaoyang Zhu, and Baolong Li. "Effects of dowels on the mechanical properties of wooden composite beams in ancient timber structures." BioResources 16, no. 4 (August 27, 2021): 6891–909. http://dx.doi.org/10.15376/biores.16.4.6891-6909.

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In order to provide more accurate suggestions for the restoration of ancient timber buildings, five types of specimens were designed for static loading tests. The tree species used for the specimens was larch. The wooden composite beams were composed of purlins, tie plates, and fangs. The study analyzed the effects of the number and position of dowels on the mechanical behaviors of wooden composite beams in ancient timber buildings. The bending moment, slippage, strain of the wooden composite beams under the deflection of the beam allowed according to code, and the ultimate bearing capacity of

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10

Jiang, Yu Chen, Xia Min Hu, and Huai Dong Yan. "Experimental Investigation on Bending Performance of Steel-Concrete Composite Slim Beams." Key Engineering Materials 853 (July 2020): 182–86. http://dx.doi.org/10.4028/www.scientific.net/kem.853.182.

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In this paper, the mechanical behavior of steel-concrete composite slim beams was investigated by experiments, and the influence of sectional dimension of steel beams on the bending stiffness and flexural capacity of composite slim beams was evaluated. Test results show that good cooperative performance can be achieved in steel-concrete composite slim beams and the relative slip between steel and concrete is very small. The steel-concrete slim beam presents considerable deformation ability beyond the service stage, which indicates that the composite slim beam has good ductility. In addition, s

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11

Maaroof, Atyaf Abdul Azeez, Jasim Ali Abdullah, and Suhaib Yahya Kasim. "Performance of Steel Perforated and Partially-Encased Composite Self-Connected Beams." Jurnal Kejuruteraan 34, no. 4 (July 30, 2022): 703–17. http://dx.doi.org/10.17576/jkukm-2022-34(4)-18.

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The self-connected partially encased composite beams may be used rather than the conventional composite beams; those are connected by the concrete passing through the web-openings of the perforated profiles which works as shear connectors. This technique minimizes the construction cost and enhances the load carrying capacity and ductility of this kind of structures better than the perforated steel beams. The presented work investigates the performance of perforated steel and partially-encased composited self-connected simply supported beams applied to three-points of loading. The effect of the

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12

HUANG, C. W., and Y. H. SU. "DYNAMIC CHARACTERISTICS OF PARTIAL COMPOSITE BEAMS." International Journal of Structural Stability and Dynamics 08, no. 04 (December 2008): 665–85. http://dx.doi.org/10.1142/s0219455408002946.

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This paper is concerned with the dynamic characteristics of composite beams with partial shear connections. The governing equations of motion for partial composite beams are derived from the one-dimensional partial composite beam theory. By solving the corresponding characteristic equation, the natural frequencies and modal shapes for simple partial composite beams are obtained. The orthogonality condition between the natural modes is utilized to decouple the equations of motion. Closed-form solution for the simple partial composite beam subjected to a moving load is derived by the modal super

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13

Waleed Kh. Hadi and May J. Hamoodi. "Experimental Study on Composite Beams with Circular Web Openings." University of Thi-Qar Journal for Engineering Sciences 5, no. 1 (June 1, 2014): 43–54. http://dx.doi.org/10.31663/utjes.v5i1.611.

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The behavior of composite beams with circular web openings is described. Four composite beams comprising one control beam were tested. The perforated beams have six circular openings with various locations. Opening size was fixed (66.7% of the steel section web depth) while number of openings in each composite beam was varied. Deflections at midspan and at openings were observed. Cracking of concrete slab and behavior of each opening were explained in detail. Tests indicated that circular web opening reduced the strength of composite beams. The behavior of composite beams relatively unaffected

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14

Lu, Tingting, Kai Guan, and Haowei Jin. "Experimental Study on Bending Performance of High-Performance Fiber-Reinforced Cement Composite Prefabricated Monolithic Composite Beams." Buildings 13, no. 7 (July 10, 2023): 1744. http://dx.doi.org/10.3390/buildings13071744.

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To enhance the mechanical properties and damage resistance of prefabricated monolithic composite beams, this study introduces HPFRCC precast mold shells as a replacement for ordinary concrete in the construction of prefabricated monolithic composite beams. These HPFRCC precast mold shell prefabricated monolithic composite beam members are then subjected to experimental investigations to analyze their flexural properties. The results of the study indicate that the U–shaped HPFRCC precast mold shell exhibits excellent bonding with the post-cast concrete, with no significant peeling observed. Mor

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15

Hashim, Hayder A., and Alaa H. Al-Zuhairi. "Effect of External Post-Tensioning Strengthening Technique on Flexural Capacity of Simple Supported Composite Castellated Beam." E3S Web of Conferences 318 (2021): 03006. http://dx.doi.org/10.1051/e3sconf/202131803006.

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This research is carried out to study the effect of the external post-tensioning technique on the flexural capacity of simply supported composite castellated beam experimentally. In this research, seven composite castellated beams having the same dimensions and material properties were cast and tested up to failure by applied two concentrated loads at 700 mm from each end. Two external strands of 12.7 mm diameter were fixed at each side of the web of strengthening beams and located at depth 180 mm from top fiber of the section (dps) at each end of the beam. The strands have been tensioned by u

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16

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 fi

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17

Ibrahim, Teghreed H., and Abbas A. Allawi. "The Response of Reinforced Concrete Composite Beams Reinforced with Pultruded GFRP to Repeated Loads." Journal of Engineering 29, no. 1 (January 1, 2023): 158–74. http://dx.doi.org/10.31026/j.eng.2023.01.10.

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This paper investigates the experimental response of composite reinforced concrete with GFRP and steel I-sections under limited cycles of repeated load. The practical work included testing four beams. A reference beam, two composite beams with pultruded GFRP I-sections, and a composite beam with a steel I-beam were subjected to repeated loading. The repeated loading test started by loading gradually up to a maximum of 75% of the ultimate static failure load for five loading and unloading cycles. After that, the specimens were reloaded gradually until failure. All test specimens were tested und

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18

Xie, Ruqiang, Yuanchao Hu, and Xiaopu Shen. "Experimental analysis and research on flexural properties of reinforced concrete composite beams." E3S Web of Conferences 165 (2020): 04023. http://dx.doi.org/10.1051/e3sconf/202016504023.

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In order to further study the flexural properties of reinforced concrete beams after composite reinforcement, three composite beams and one cast-in-situ beam were tested under static load focusing on the bearing capacity, the law of crack development and the change of deflection. Test results demonstrate the yield strength, ultimate bending strength, and deflection of the composite beams are similar to those of the cast-in-situ beam, which confirms that the reinforced concrete composite beams can be used for reinforcement purposes in engineering projects.

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19

Hong, Wan, Yuchen Jiang, Yong Fang, and Xiamin Hu. "Experimental study and theoretical analysis of glulam-concrete composite beams connected with ductile shear connectors." Advances in Structural Engineering 23, no. 6 (December 4, 2019): 1168–78. http://dx.doi.org/10.1177/1369433219891560.

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Ductile shear connectors are often applied in timber-concrete composite beams. The relative interface slip of such kind of composite beams will affect the mechanical performance of the composite beams and result in structural nonlinearity. Gamma method which adopts effective bending stiffness to reflect semi-rigid connection is recommended in Eurocode 5. The effective bending stiffness is irrelevant to external loads and calculation points of the composite beam. However, actual bending stiffness distribution along the beam is variable due to that shear connectors are subjected to different she

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20

Zhang, Yan Ling, Wei Ge, and De Ying Zhang. "Experimental Research on Bending-Torsion Characteristics of Steel-Concrete Composite Box Beams." Advanced Materials Research 594-597 (November 2012): 785–90. http://dx.doi.org/10.4028/www.scientific.net/amr.594-597.785.

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Due to the axial curvature and the eccentric vehicle loads, bending-torsion couple effects will be generated in the curved steel-concrete composite box beam bridges. To study the bending-torsion couple characteristics, six steel-concrete composite box model beams are tested under the bending-torsion couple loads, with the initial torsion-bending ratios and shear connection degrees as the design parameters. The ultimate bearing capacity, section strain, and interfacial slip of the steel-concrete composite box beams are measured. The test results show that, the fully connected composite beams ma

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21

Gdoutos, E. E., and M. S. Konsta-Gdoutos. "Load and Geometry Effect on Failure Mode Initiation of Composite Sandwich Beams." Applied Mechanics and Materials 3-4 (August 2006): 173–78. http://dx.doi.org/10.4028/www.scientific.net/amm.3-4.173.

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Facing compressive failure, facing wrinkling and core shear failure are the most commonly encountered failure modes in sandwich beams with facings made of composite materials. The occurrence and sequence of these failure modes depends on the geometrical dimensions, the form of loading and type of support of the beam. In this paper the above three failure modes in sandwich beams with facings made of carbon/epoxy composites and cores made of aluminum honeycomb and two types of foam have been investigated. Two types of beams, the simply supported and the cantilever have been considered. Loading i

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22

Du, Hao, Shengnan Yuan, Tianhong Yu, and Xiamin Hu. "Experimental and Analytical Investigation on Flexural Behavior of High-Strength Steel-Concrete Composite Beams." Buildings 13, no. 4 (March 29, 2023): 902. http://dx.doi.org/10.3390/buildings13040902.

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This research investigated the flexural behavior of high-strength steel (HSS)—concrete composite beams. The effect of concrete strength on the load-deflection behavior, flexural capacity, and ductility of HSS—concrete composite beams was investigated. Four full-scale HSS—concrete composite beam specimens were tested under static load. The test results demonstrate that the failure mode of HSS—concrete composite beams is flexural failure of the steel member and compression fracture of concrete at mid-span. The HSS—concrete composite beam exhibits good mechanical performance and deformation behav

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23

Wang, Guang-Ming, Li Zhu, Xin-Lin Ji, and Wen-Yu Ji. "Finite Beam Element for Curved Steel–Concrete Composite Box Beams Considering Time-Dependent Effect." Materials 13, no. 15 (July 22, 2020): 3253. http://dx.doi.org/10.3390/ma13153253.

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Curved steel–concrete composite box beams are widely used in urban overpasses and ramp bridges. In contrast to straight composite beams, curved composite box beams exhibit complex mechanical behavior with bending–torsion coupling, including constrained torsion, distortion, and interfacial biaxial slip. The shear-lag effect and curvature variation in the radial direction should be taken into account when the beam is sufficiently wide. Additionally, long-term deflection has been observed in curved composite box beams due to the shrinkage and creep effects of the concrete slab. In this paper, an

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24

Liang, Jiong Feng, Ming Hua Hu, and Zhi Ping Deng. "Experimental Investigation on Flexural Bearing Capacity of Concrete Beams Reinforced with CFRP-PCPs Composite Rebars." Applied Mechanics and Materials 351-352 (August 2013): 541–44. http://dx.doi.org/10.4028/www.scientific.net/amm.351-352.541.

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The flexural behavior of concrete beams reinforced with CFRP-PCPs composite rebars was studied. Experimental results showed that the performance of CFRP-PCPs composite rebars beams is superior to that of CFRP beams at service and ultimate and comparable and even better than RC beams at service condition. Flexural cracks of concrete beams reinforced with CFRP-PCPs composite rebars are hairline before prism cracking, and they widen after the prism cracking Keywords: CFRP-PCPs, composite rebars, beam, flexural

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25

Lu, Tingting, Yuxiang Wen, Kai Guan, and Bin Wang. "Flexural Performance Analysis of Composite Beam with Reinforced HPFRCC Precast Shell." Materials 18, no. 4 (February 9, 2025): 762. https://doi.org/10.3390/ma18040762.

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To enhance the mechanical properties of precast composite beams, High-Performance Fiber Reinforced Cementitious Composite (HPFRCC) material was used instead of ordinary concrete in the precast shell with reinforced bars to form the R/HPFRCC precast shell composite beam. By controlling different reinforcement ratios, post-longitudinal reinforcement treatment methods, mold shell materials, and loading methods, nine test beams were designed, and four-point bending loading tests were carried out to study the flexural bearing capacity, failure mode, failure process, deformation capacity, and influe

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26

Li, Jin, Tiancheng Zhou, Xiang Li, Dalu Xiong, De Chang, Zhongmei Lu, and Guanghua Li. "Research on Flexural Bearing Capacity of Reinforced Hollow Slab Beams Based on Polyurethane Composite Material Positive and Negative Pouring Method." Sustainability 14, no. 24 (December 19, 2022): 17030. http://dx.doi.org/10.3390/su142417030.

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In order to explore the construction technology of prestressed steel strand–polyurethane cement composites for strengthening hollow slab beams, two reinforced test beams (L1, L2) and one unreinforced test beam (L0) were subjected to flexural static load tests. The deflection, ductility, stiffness, strain, and bearing capacity of each test beam were used to summarize the influence of different reinforcement techniques on the flexural performance of hollow slab beams. Research shows the prestressed steel strand–polyurethane composite material was well-bonded to the hollow slab beam, which effect

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27

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.

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28

Du, Hao, Shengnan Yuan, Peiyang Liu, Xiamin Hu, and Guohui Han. "Experimental and Finite Element Study on Bending Performance of Glulam-Concrete Composite Beam Reinforced with Timber Board." Materials 15, no. 22 (November 12, 2022): 7998. http://dx.doi.org/10.3390/ma15227998.

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In this research, experimental research and finite element modelling of glulam-concrete composite (GCC) beams were undertaken to study the flexural properties of composite beams containing timber board interlayers. The experimental results demonstrated that the failure mechanism of the GCC beam was the combination of bend and tensile failure of the glulam beam. The three-dimensional non linear finite element model was confirmed by comparing the load-deflection curve and load-interface slip curve with the experimental results. Parametric analyses were completed to explore the impacts of the glu

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29

Hu, Yafeng, Yang Wei, Si Chen, Yadong Yan, and Weiyao Zhang. "Experimental Study on Timber−Lightweight Concrete Composite Beams with Ductile Bolt Connectors." Materials 14, no. 10 (May 18, 2021): 2632. http://dx.doi.org/10.3390/ma14102632.

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A timber–lightweight−concrete (TLC) composite beam connected with a ductile connector in which the ductile connector is made of a stainless−steel bolt anchored with nuts at both ends was proposed. The push−out results and bending performance of the TLC composite specimens were investigated by experimental testing. The push−out results of the shear specimens show that shear–slip curves exhibit good ductility and that their failure can be attributed to bolt buckling accompanied by lightweight concrete cracking. Through the bending tests of ten TLC composite beams and two contrast (pure timber) b

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30

Robinson, Hugh. "Multiple stud shear connections in deep ribbed metal deck." Canadian Journal of Civil Engineering 15, no. 4 (August 1, 1988): 553–69. http://dx.doi.org/10.1139/l88-076.

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This paper summarizes the results of push-out tests conducted on 17 different types of shear connections simulating three distinct components of a composite floor system: (1) an interior beam (perpendicular metal deck), (2) a spandrel beam (perpendicular metal deck), and (3) a girder (parallel metal deck). Each push-out specimen had a layer of 152 × 152 WM9.1 × WM9.1 welded wire mesh at mid-depth of each concrete slab.Two composite beams, each with ribbed shear connections typical of those in two of the types of push-out specimens representing ribbed shear connections in interior composite bea

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31

Kabir, Mohammad Z., and Archibald N. Sherbourne. "Shear strain effects on flexure and torsion of thin-walled pultruded composite beams." Canadian Journal of Civil Engineering 26, no. 6 (December 1, 1999): 852–68. http://dx.doi.org/10.1139/l99-035.

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The paper presents a theoretical study on the static structural response of thin-walled composite open-section beams. Based on a Vlasov-type linear hypothesis, a beam theory is formulated in terms of in-plane elastic properties to analyze composite I and channel section pultruded beams which includes the transverse shear deformation of the beam cross section. The importance of the shear influence on the total vertical deflection is reported. Symmetric lay-up composite beams result in a bending-twisting structural coupling. The optimal fibre orientation for minimizing vertical displacements and

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32

Yang, Haixu, Yue Guo, Haibiao Wang, and Zihang Jiang. "Research on the Shear Performance of Cold-Formed Thin-Walled Steel-Glued Laminated Wood Composite Beams." Buildings 13, no. 12 (November 21, 2023): 2903. http://dx.doi.org/10.3390/buildings13122903.

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This paper proposes a new type of composite box beam combined with cold-formed thin-walled steel and glued laminated timber to develop green building structures while improving the load-carrying capacity of a single steel girder and glued timber girder. Two composite beams composed of laminated timber and Q235 cold-formed thin-walled steel were designed and fabricated. Then, the shear performance test with quadratic loading was carried out to analyze the load carrying capacity, damage modes, and deformation characteristics of the test beams, as well as their influencing factors. Subsequently,

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33

Ma, Xiao, Shuai Wang, Bo Zhou, and Shifeng Xue. "Study on Electromechanical Behavior of Functionally Graded Piezoelectric Composite Beams." Journal of Mechanics 36, no. 6 (August 6, 2020): 841–48. http://dx.doi.org/10.1017/jmech.2020.44.

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ABSTRACTThis paper investigates the electromechanical behavior of functionally graded piezoelectric composite beams containing axially functionally graded (AFG) beam and piezoelectric actuators subjected to electrical load. The mechanical properties of the AFG beam are assumed to be graded along the axial direction. Employing the electromechanical coupling theory and load simulation method, the expression for the simulation load of the piezoelectric actuators is obtained. Based on Euler-Bernoulli beam theory and the obtained simulation load, the differential governing equation of the piezoelec

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34

Senthamaraikannan, C., and R. Ramesh. "Evaluation of mechanical and vibration behavior of hybrid epoxy carbon composite beam carrying micron-sized CTBN rubber and nanosilica particles." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 233, no. 9 (June 27, 2018): 1738–52. http://dx.doi.org/10.1177/1464420718784315.

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The suppression of vibration in dynamic structures is considered as one of the important functional requirements. In the present investigation, the free vibration behaviour of the woven carbon-epoxy composite beams was studied by blending nanosilica and micro-sized carboxyl-terminated butadiene acrilonitrile copolymer CTBN rubber in an epoxy matrix. The basic I and channel shapes widely used in structural applications were considered for fabrication of composite beams and made by hand layup method. The hybrid specimens were prepared by keeping 9% rubber particles by weight as stable primary in

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35

Hieu, Nguyen Tran. "Simplified design method and parametric study of composite cellular beam." Journal of Science and Technology in Civil Engineering (STCE) - NUCE 12, no. 3 (April 30, 2018): 34–43. http://dx.doi.org/10.31814/stce.nuce2018-12(3)-04.

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Nowadays, with the development of cutting and welding technologies, steel beams with regular circular openings, called cellular beams, have been widely used for construction. The cellular beams could be designed either as steel beam or composite beam when headed shear connectors connect concrete slab to top flange of steel beam. This paper presents a procedure to design cellular composite beams according to EN 1994-1-1. In addition, a parametric study is carried out to evaluate the influence of circular opening geometry to ultimate load and failure mode of a series of cellular composite beams.

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36

Ebrahimi, Farzad, and Ali Dabbagh. "On thermo-mechanical vibration analysis of multi-scale hybrid composite beams." Journal of Vibration and Control 25, no. 4 (October 22, 2018): 933–45. http://dx.doi.org/10.1177/1077546318806800.

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This article is primarily organized to analyze the thermo-elastic vibrational characteristics of multi-scale hybrid composite beams according to a refined beam model. In this novel type of composites, multi-scale reinforcing elements, carbon fiber (CF) and carbon nanotube (CNT) in particular, are presumed to be dispersed in an initial resin. The homogenization process is carried out employing a mixture of the Halpin–Tsai model and the rule of mixture. The effect of temperature and its gradient on the mechanical properties of CNTs and epoxy resin is rendered to present a more reliable thermal a

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Jiang, Li Zhong, Xin Kang, and Chang Qing Li. "Dynamics Analysis of Steel-Concrete Composite Box Beams." Applied Mechanics and Materials 528 (February 2014): 94–100. http://dx.doi.org/10.4028/www.scientific.net/amm.528.94.

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Steel-concrete composite box beams have been widely used in high rise buildings and long-span bridge structures. But so far, almost all researches have been aimed at the static behavior of the composite beams and dynamic behavior of steel and concrete composite beams have been rarely studied. In this paper, by using general finite element program ANSYS to analyze the dynamic performance of the composite box beam under different geometric parameters. Research is focused on the slip stiffness、width-to-thickness ratio、depth-span ratio and the height ratio of cross section to the vibration charact

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Li, Chunbao, Hui Cao, Di Guan, Shen Li, Xukai Wang, Valentina Y. Soloveva, Hojiboev Dalerjon, Zhiguang Fan, Pengju Qin, and Xiaohui Liu. "Study on Mechanical Properties of Multi-Cavity Steel-Concrete Composite Beam." Materials 15, no. 14 (July 13, 2022): 4882. http://dx.doi.org/10.3390/ma15144882.

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This paper proposes a new form of composite beam: a multi-cavity steel-concrete composite beam. This composite beam uses internal perforated steel plate to connect the concrete with the steel structure, and shear connectors are no longer required, which is more suitable for industrial production. The mechanical properties of a multi-cavity steel-concrete composite beam in industrial applications are studied to avoid failures. In this paper, two multi-cavity steel-concrete composite beams with a size of 2500 mm × 200 mm × 300 mm were prepared, in which the angle of internal porous steel plate w

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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

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Jiang, Yuchen, Xiamin Hu, Wan Hong, Mingming Gu, and Weimin Sun. "Investigation on partially concrete encased composite beams under hogging moment." Advances in Structural Engineering 20, no. 3 (July 28, 2016): 461–70. http://dx.doi.org/10.1177/1369433216654148.

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In order to investigate the mechanical behavior of the partially concrete encased composite beam under hogging moment, static loading tests were conducted on one conventional composite beam and three partially concrete encased composite beams. The results show that partially concrete encased composite beams have higher stiffness and flexural capacity under hogging moment as compared with conventional composite beams. It is also found that the concrete encasement is able to enhance the local bucking resistance of the steel beam and effectively reduces the propagation speed of crack width under

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Nan, Hongliang, Peng Wang, Qinmin Zhang, Dayao Meng, and Qinan Lei. "Study on the Mechanical Properties of Continuous Composite Beams under Coupled Slip and Creep." Materials 16, no. 13 (June 30, 2023): 4741. http://dx.doi.org/10.3390/ma16134741.

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Steel–concrete continuous composite beams are widely used in buildings and bridges and have many economic benefits. Slip has always existed in composite beams and will reduce the stiffness of composite beams. The effect of creep under a long-term load will also be harmful. Many scholars ignore the combined effects of slip and creep. In order to more accurately study the mechanical properties of steel–concrete continuous composite beams under long-term loads, this paper will consider the combined actions of slip and creep. By combining the elastic theory and the age-adjusted effective modulus m

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Nursherida, J. Mai, Sahari B. Barkawi, and A. A. Nuraini. "Parametric Study of Automotive Composite Bumper Beams Subjected to Frontal Impacts." Key Engineering Materials 471-472 (February 2011): 484–89. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.484.

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The parametric study of automotive composite bumper beam subjected to frontal impact is presented and discussed in this paper. The aim of this study is to analyze the effect of steel and composite material on energy absorption of automotive front bumper beam. The front bumper beams made of e-glass/epoxy composite and carbon epoxy composite are studied and characterized by impact modeling using LS-DYNA V971, according to United States New Car Assessment Program (US-NCAP) frontal impact velocity and based on European Enhanced Vehicle-safety Committee. The most important variable of this structur

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Xu, Wei, Feng Xu, Hao Wang, and Lian Guang Wang. "Experimental Research on Steel-High Strength Concrete Composite Beams." Advanced Materials Research 255-260 (May 2011): 664–68. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.664.

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Based on 5 test specimen of steel-high strength concrete composite beam, This paper analyzes test results, researches on mechanical properties of steel-high strength concrete composite beams, load-deformation properties, performance of the interface slip and strain of the midspan across-section of beams, Study on the performance of the steel-high strength concrete composite beams.

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Yang, Jia. "Nonlinear Analysis of Steel and Concrete Composite Beams Strengthened with Prestressed FRP Bars." Applied Mechanics and Materials 256-259 (December 2012): 775–78. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.775.

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Steel and concrete composite beam is a kind of composite beam which the steel and the concrete are connected by shear connectors. Now, many experts and scholars have carried out many experimental research and theoretical analysis about it. But, steel and concrete composite beams strengthened with prestressed FRP bars have not been studied. Based on the structure, the nonlinear analysis mode of steel and concrete composite beams strengthened with prestressed FRP bars is proposed, the calculating program is researched. The relationships between moment and curvature, also between load and deforma

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Wang, Jing, Jiageng Ren, and Yunlong Zhang. "Vibration Analysis of Carbon Fiber-Reinforced Steel–Concrete Composite Beams Considering Shear-Slip Effects." International Journal of Structural Stability and Dynamics 19, no. 07 (June 26, 2019): 1950077. http://dx.doi.org/10.1142/s0219455419500779.

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This paper presents an accurate analysis of the natural frequency and mode shape of carbon fiber-reinforced steel–concrete composite beam with double-slip surfaces. To study the flexural vibration of the composite beam, a governing differential equation considering the shear-slip effects of two interfaces is formulated. Based on this formulation, the natural frequency and mode shape of carbon fiber-reinforced composite beams are calculated. For comparison purpose, numerical simulations of the composite beams are conducted using the ANSYS in order to verify the present results. High consistency

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Rahnavard, Rohola, Hélder D. Craveiro, and Rui Simões. "Flexural resistance of Cold‐formed steel‐lightweight concrete (CFS‐LWC) composite beam." ce/papers 6, no. 3-4 (September 2023): 176–80. http://dx.doi.org/10.1002/cepa.2479.

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AbstractThis paper discusses the flexural behaviour of innovative built‐up cold‐formed steel lightweight concrete (CFS‐LWC) composite beams through an experimental study. Two full‐scale CFS‐LWC composite beams were tested. The specimens included two distinct configurations of the innovative CFS composite beams. The tested CFS‐LWC composite beams consisted of a lightweight concrete slab supported by profiled metal decking, connected to a CFS built‐up using bolted shear connectors. Two degrees of shear connection were considered. The specimens were uniformly loaded, and the load was increased un

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Bejó, László, Péter Takáts, and Norbert Vass. "Development of Cement Bonded Composite Beams." Acta Silvatica et Lignaria Hungarica 1, no. 1 (January 1, 2005): 111–19. http://dx.doi.org/10.37045/aslh-2005-0010.

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The paper reports on the early steps in the development of cement bonded composite beams. The advantage of such products is that they are lighter than reinforced concrete, while more fire-resistant than solid wood or traditional composite beams. Experimental beams were produced to imitate the structure of organic bonded PSL and LSL, using poplar veneer strips and Scots pine strands. In this phase of the research, the aim was to verify that such products are feasible, compare different beam types, and determine the focus for the ongoing development of cement-bonded composite beams. The manufact

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Chybiński, Marcin, and Łukasz Polus. "Structural Behaviour of Aluminium–Timber Composite Beams with Partial Shear Connections." Applied Sciences 13, no. 3 (January 27, 2023): 1603. http://dx.doi.org/10.3390/app13031603.

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In this paper, the short-term behaviour of innovative aluminium–timber composite beams was investigated. Laminated veneer lumber panels were attached to aluminium beams with screws. Recently conducted theoretical, experimental, and numerical investigations have focused on aluminium–timber composite beams with almost full shear connections. However, no experiments on aluminium–timber composite beams with partial shear connections have yet been conducted. For this reason, composite action in composite beams with different screw spacing was studied in this paper. Four-point bending tests were per

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Zhong, Xuan-Yang, Liang-Dong Zhuang, Ran Ding, and Mu-Xuan Tao. "Experimental and Numerical Study on the Performance of Steel–Coarse Aggregate Reactive Powder Concrete Composite Beams with Uplift-Restricted and Slip-Permitted Connectors under Negative Bending Moment." Buildings 14, no. 9 (September 14, 2024): 2913. http://dx.doi.org/10.3390/buildings14092913.

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An innovative form of steel–concrete composite beam, the steel–coarse aggregate reactive powder concrete (CA-RPC) composite beam with uplift-restricted and slip-permitted (URSP) connectors, is introduced in this paper. The aim is to enhance the cracking resistance under negative bending moments, which is a difficult problem for traditional composite beams, and to make the cost lower than using ordinary reactive powder concrete (RPC). An experimental investigation of the behavior of six specimens of simply supported steel–CA-RPC composite beams with URSP connectors under negative bending moment

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Shan, Qifeng, Jialiang Zhang, Keting Tong, and Yushun Li. "Study on Flexural Behaviour of Box Section Bamboo-Steel Composite Beams." Advances in Civil Engineering 2020 (November 16, 2020): 1–9. http://dx.doi.org/10.1155/2020/8878776.

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To take full advantages of the bamboo and cold-formed thin-walled steel, a new type of box section beam combined with bamboo and steel channel was proposed in this paper. Five composite beams with different parameters were tested to evaluate the effects of bamboo plywood thickness of composite beams and thickness and sectional dimension of steel channel. The results of experiment showed that the proposed composite beams exhibited excellent flexural bearing capacities and stiffness. The increase of bamboo plywood thickness and sectional dimension of steel channel could improve bearing capacity

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