超高强混凝土梁抗剪性能的有限元分析

李立仁 冯宏

doi:10.11835/j.issn.1674-4764.2006.05.023

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超高强混凝土梁抗剪性能的有限元分析

更新时间：2023-11-28

- 超高强混凝土梁抗剪性能的有限元分析
- Finite Element Analysis of Shear Behavior of Super High Strength Reinforced Concrete Beam
- 土木与环境工程学报（中英文） 2006年28卷第5期页码：97-100
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- DOI：10.11835/j.issn.1674-4764.2006.05.023
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- 纸质出版：2006
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李立仁冯宏. 超高强混凝土梁抗剪性能的有限元分析[J]. 土木与环境工程学报（中英文）, 2006,28(5):97-100.

Finite Element Analysis of Shear Behavior of Super High Strength Reinforced Concrete Beam[J]. Journal of Civil and Environmental Engineering, 2006, 28(5): 97-100.
李立仁冯宏. 超高强混凝土梁抗剪性能的有限元分析[J]. 土木与环境工程学报（中英文）, 2006,28(5):97-100. DOI： 10.11835/j.issn.1674-4764.2006.05.023.

Finite Element Analysis of Shear Behavior of Super High Strength Reinforced Concrete Beam[J]. Journal of Civil and Environmental Engineering, 2006, 28(5): 97-100. DOI： 10.11835/j.issn.1674-4764.2006.05.023.

摘要

结合18根立方体抗压强度为100MPa以上的超高强混凝土有腹筋约束梁在集中荷栽作用下抗剪性能的试验研究，利用超高强混凝土的各种基本物理力学性能参数，以非线性有限元分析为基础，采用较为完善的非线性本构模型和破坏准则，编写了超高强混凝土有腹筋约束梁抗剪强度有限元分析程序以模拟试验。在非线性有限元分析模拟试验结果和已有试验实测数据的基础上，统计回归出了超高强混凝土有腹筋约束梁抗剪强度计算公式。应用该公式所得结果与试验结果符合较好。

Abstract

On the basis of testing results of shear behavior from 18 super high strength reinforced concrete restrained beams with web reinforcement

with the cube compressive strength ranging from over 100Mpa

in this paper

the nonlinear finite element analysis procedure was formulated and the analysis of the specimen tests was carried out with the parameters obtained from the experiments and improved constitutive model and failure criteria of materials. Based on the simulated shear resistance test results and practical measured data of eighteen super high strength concrete restrained beams under point load

the equation to compute the shear resistance capacity of such beams was thus obtained by regression. The analytical results agree well with those of experiments.

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