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Experimental Research and Theoretical Analysis on Bending and Shear Bearing Capacities of Steel Reinforced Concrete Composite Beams

Author: TCHIDI MEGAN FLORENT（QiDi）
Tutor: LiYanBo
School: Tianjin University
Course: Structural Engineering
Keywords: Composite beams Reinforcement Test Flexural capacity Shear capacity Ultimate strength Ductility
CLC: TU398.9
Type: Master's thesis
Year: 2007
Downloads: 61
Quote: 0
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Abstract


Compared with the reinforced concrete structure , the composite beam structure has a high capacity , good ductility , has been widely used in practical engineering . This paper presents a new form of composite beams - steel reinforced concrete composite beam , which is used in the actual reinforcement works under the care of H-shaped steel frame structure of the original concrete beams formed composite beams . In this paper, four steel reinforced concrete composite beams simply supported static load test, the systematic study of the performance of steel reinforced concrete composite structures . The main research work and achievements are as follows: (1 ) the design and production of four steel reinforced concrete composite beam model and specimen concentration static load . Specimen test data load - deflection curve , cross-sectional strain development test results , study the characteristics of their work and failure characteristics . (2 ) Experimental study of steel reinforced concrete composite beam bending, shear capacity , and compared with the carrying capacity of the original concrete beams , steel reinforced concrete composite beam reinforcement effect . ( 3 ) the steel reinforced concrete composite beam under the combined action of bending moment and shear ultimate strength analysis to derive the combination of ultimate flexural bending shear joint action of shear capacity formula . : Steel reinforced concrete composite beams ability , good ductility , relatively substantial increase in carrying capacity ; under the combined action of bending shear steel reinforced concrete composite beam analysis results , presented both a to consider concrete combined action part of the shear contribution to the strength , but also consider the limit bending and shear interaction design model . This model provides a reliable and economical steel - concrete composite beam design method . And thus has important theoretical significance and value of the works .

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CLC: > Industrial Technology > Building Science > Building structure > Composite structure > Other composite structures
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