Chunan Tang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME

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Language:English

Paper Publications

Title of Paper:钢管混凝土柱破坏过程的三维数值模拟

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Date of Publication:2008-10-15

Journal:东北大学学报(自然科学版)

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:29

Issue:10

Page Number:1505-1508

ISSN No.:1005-3026

Key Words:钢管混凝土;轴心受压构件;承载力;破坏过程;非均匀性

Abstract:用材料破坏过程分析系统RFPA3D(realistic failure process analysis)对矩形钢管混凝土短柱在轴心受压条件下的受力、变形与内部裂缝萌生、扩展及最终破坏的全过程进行了数值模拟分析.数值模型中引入了统计分布函数,反映了混凝土的非均匀性影响,采用细观单元材料性质退化的方法,利用位移加载来实现钢管混凝土的逐渐破坏过程.讨论了极限承载力与钢管混凝土柱长度的关系及钢管混凝土截面面积对极限承载力的影响等问题.数值试验再现了试件的整个破坏过程.分析结果表明RFPA3D数值实验方法为钢管混凝土结构的研究提供了新的方法和途径.

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