钢筋混凝土板柱节点冲切破坏有限元分析  

Finite element analysis of punching shear failure of reinforced concrete slab-column joints

作　　者：赵悦 毕全超 朱守琴 郝勇[1,2] ZHAO Yue;BI Quan-chao;ZHU Shou-qing;HAO Yong(Hebei University of Architecture,Zhangjiakou 075000,China;Hebei Key Laboratory of Diagnosis,Reconstruction and Civil Engineering,Zhangjiakou,Hebei 075000)

机构地区：[1]河北建筑工程学院,河北张家口075000 [2]河北省土木工程诊断、改造与抗灾重点实验室,河北张家口075000

出　　处：《河北建筑工程学院学报》2021年第3期22-28,共7页Journal of Hebei Institute of Architecture and Civil Engineering

基　　金：河北建筑工程学院2021年度校级研究生创新基金项目(项目编号:XY202119)。

摘　　要：在结构工程中,除了梁板柱结构之外还有一种特殊的板柱结构,板柱节点冲切破坏是其主要破坏形式。多年来,众多学者对板柱节点的冲切破坏过程进行了研究,研究方法也是多种多样。除试验外,采用有限元分析方法也可分析探究板柱节点抗冲切性能。本文在所选文献试验基础上,利用ABAQUS有限元分析软件对试验过程进行数值模拟,并与试验结果进行比较,通过本构模型是否考虑软化段进行的两种模拟所得的结果与试验结果的对比,可知加软化段进行的模拟其结果会更接近试验,分析其损伤图可了解板柱节点内部的破坏情况,模拟结果对板柱节点冲切破坏的研究具有一定参考价值。In structural engineering,there is a special slab-column structure besides the beam-slab-column structure.The punching failure of slab-column nodes is the main failure form.Over the years,many scholars have studied the punching failure process of slab-column joints,and the research methods are also diverse.In addition to tests,the finite element analysis method can also be used to analyze and explore the process of punching failure of slab-column joints.Based on the selected literature tests,this paper uses ABAQUS finite element analysis software to numerically simulate the test process,and compares with the test results.The comparison between the two simulation results and the test results through whether the constitutive model considers the softening section It can be seen that the simulation results of the softening section will be closer to the test.The damage diagram can be analyzed to understand the internal failure of the slab-column node.The simulation results have certain reference value for the study of the punching failure of the slab-column node.

关 键 词：板柱节点 冲切破坏 有限元非线性分析 

分 类 号：TU375.2[建筑科学—结构工程]