钢筋混凝土板柱节点破坏模式判别公式的评估  

Evaluation of Failure Mode Discrimination Formula for Existing Reinforced Concrete Slab Column Joints

作　　者：蔡怡晴 费正玉 梁诗雪 Cai Yiqing;Fei Zhengyu;Liang Shixue(School of Civil Engineering and Architecture,Zhejiang Sci-Tech University,Hangzhou 310018,China)

机构地区：[1]浙江理工大学建筑工程学院,杭州310018

出　　处：《科技通报》2022年第10期85-90,95,共7页Bulletin of Science and Technology

基　　金：国家自然科学基金资助项目(51808499);浙江省自然基金资助项目(LY22E080016)。

摘　　要：钢筋混凝土板柱节点的破坏模式主要分为弯曲破坏和冲切破坏。为避免冲切破坏对实际工程的不利影响,国内外学者从板柱节点破坏的影响因素出发,提出多种判别公式以预测破坏模式,及时采取有效措施可避免冲切破坏的发生。本文将收集国内外已有的钢筋混凝土板柱节点破坏数据对现有的判别公式进行对比评估,目前准确度最高的是由R.Y.XIAO提出的判别公式,考虑的影响因素最为全面。该研究可为今后进一步预测钢筋混凝土板柱节点的破坏模式提供思路和方向。The failure modes of reinforced concrete slab column joints are mainly divided into flexing failure and punching failure.In order to avoid the adverse impact of punching failure on practical engineering,scholars at home and abroad,base on the influencing factors of slab-column joint failure,put forward a variety of formulas to predict the failure mode,and avoid punching failure when effective measures were taken in time.In this paper,the existing failure data of reinforced concrete slab-column joints at home and abroad will be collected to compare and evaluate the existing discrimination formulas.At present,R.Y.XIAO hasproposed the highest accurate discrimination formula,which containing themost comprehensive influencing factors.This study can provide ideas and directions for further predicting the failure mode of reinforced concrete slab-column joints in the future.

关 键 词：板柱节点 冲切破坏 破坏模式 判别公式 

分 类 号：TU375[建筑科学—结构工程]