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ISSN 2063-5346
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Analysis of Nonlinear Deflection and Horizontal Distribution Coefficient of Reinforced Concrete T Beam Span Structure Subjected to Static Load of Motor Vehicle

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Hieu, Duc Nguyen
» doi: 10.48047/ecb/2023.12.si4.376

Abstract

Heavy vehicle load causes damage and degrades bridges and roads, in which reinforced concrete T-beam span structures are widely used in bridges with short span lengths. The article clarifies the deflection and horizontal distribution coefficient of live load in operating conditions with normal and overloaded vehicle loads. They are using the finite element method for the nonlinear analysis of 3D span structures with full load-bearing components. Arrange the entire vehicle load on the span structure with different load levels based on the results of the actual vehicle weighing results and the assumed load. Responding to high load levels, cracked concrete, and mechanical properties of concrete including breaking characteristics according to mechanical failure theory. The reinforcement is simulated in detail and assumes complete adhesion to the concrete. The research results show the correlation between deflection and horizontal distribution coefficient of live load with vehicl load, which serves as the basis for proposing exploitation load as well as bridge design to withstand heavy vehicle load.

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