不同配箍率混凝土叠合梁静力性能有限元分析

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发布时间：2020-01-06 00:00:00

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不同配箍率混凝土叠合梁静力性能有限元分析

Finte Element Analysis on Static Performance of Concrete Composite Beams with Different Stirrup Ratio

2022年第12期

混凝土叠合梁；破坏形态；承载力；延性；ABAQUS模拟

Concrete composite beam; Failure form; Bearing capacity; Ductility; ABAQUS simulation

2022年第12期

10.19761/j.1000-4637.2022.12.072.04

邓鑫1，任云2

1.武汉市中心工程检测有限公司，湖北武汉 430014；2.武汉科技大学，湖北武汉 430070

邓鑫1，任云2

邓鑫,任云.不同配箍率混凝土叠合梁静力性能有限元分析[J].混凝土与水泥制品,2022(12):72-75.

DENG X,REN Y.Finte Element Analysis on Static Performance of Concrete Composite Beams with Different Stirrup Ratio[J].China Concrete and Cement Products,2022(12):72-75.

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摘要：通过单调荷载下的缩尺模型试验研究了不同配箍率混凝土叠合梁的静力性能，选择合适的本构模型及边界性质进行了ABAQUS模拟与试验对比。其中，叠合梁分为预制段和现浇段，整浇梁作为对比试件。结果表明：相同配箍率下，叠合梁较整浇梁更易发生剪切破坏，叠合梁的延性较整浇梁有所降低；提高配箍率可提高叠合梁的延性；ABAQUS模拟结果与试验结果的吻合度较高。可为设计高性能叠合梁提供依据。 Abstract: The static performance of concrete composite beams with different stirrup ratios was studied by scale model test under monotonic loads, and the appropriate constitutive model and boundary properties were selected for ABAQUS simulation and compared with tests. The composite beams were divided into prefabricated sections and cast-in-place sections, and the cast-in-place beams were used as the comparison member. The results show that the composite beam is more likely to undergo shear failure than the cast-in-place beam at the same stirrup ratio, and the ductility of the composite beam is reduced compared to the cast-in-place beam. Increasing the stirrup ratio can improve the ductility of composite beam. The ABAQUS simulation results are in good agreement with the test results. The research results can provide a basis for the design of high performance composite beams.

英文名 : Finte Element Analysis on Static Performance of Concrete Composite Beams with Different Stirrup Ratio

刊期 : 2022年第12期

关键词 : 混凝土叠合梁；破坏形态；承载力；延性；ABAQUS模拟

Key words : Concrete composite beam; Failure form; Bearing capacity; Ductility; ABAQUS simulation

刊期 : 2022年第12期

DOI : 10.19761/j.1000-4637.2022.12.072.04

文章编号 :

基金项目 :

作者 : 邓鑫1，任云2

单位 : 1.武汉市中心工程检测有限公司，湖北武汉 430014；2.武汉科技大学，湖北武汉 430070

邓鑫1，任云2

邓鑫,任云.不同配箍率混凝土叠合梁静力性能有限元分析[J].混凝土与水泥制品,2022(12):72-75.

DENG X,REN Y.Finte Element Analysis on Static Performance of Concrete Composite Beams with Different Stirrup Ratio[J].China Concrete and Cement Products,2022(12):72-75.

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引用本文

Abstract: The static performance of concrete composite beams with different stirrup ratios was studied by scale model test under monotonic loads, and the appropriate constitutive model and boundary properties were selected for ABAQUS simulation and compared with tests. The composite beams were divided into prefabricated sections and cast-in-place sections, and the cast-in-place beams were used as the comparison member. The results show that the composite beam is more likely to undergo shear failure than the cast-in-place beam at the same stirrup ratio, and the ductility of the composite beam is reduced compared to the cast-in-place beam. Increasing the stirrup ratio can improve the ductility of composite beam. The ABAQUS simulation results are in good agreement with the test results. The research results can provide a basis for the design of high performance composite beams.

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