Study on the Heterogeneity of Concrete and Its Failure Behavior Using the Equivalent Probabilistic Model

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成果类型：

期刊论文

作者：

Tang, Xinwei;Zhou, Yuande;Zhang, Chuhan*;Shi, Jianjun

通讯作者：

Zhang, Chuhan

作者机构：

[Tang, Xinwei] S China Univ Technol, Dept Hydraul & Hydropower Engn, Guangzhou 510641, Guangdong, Peoples R China.

[Zhang, Chuhan] Tsinghua Univ, Chinese Acad Sci, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China.

[Zhou, Yuande] Univ Hong Kong, Dept Civil Engn, Hong Kong, Hong Kong, Peoples R China.

[Shi, Jianjun] Nanhua Univ, Dept Urban Construct, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Zhang, Chuhan] T

Tsinghua Univ, Chinese Acad Sci, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China.

语种：

英文

关键词：

Concrete;Failures;Heterogeneity;Probability;Numerical models;Size effect;Compression tests;Concrete heterogeneity;Size effect;Equivalent probabilistic model;Numerical simulation;Compression tests

期刊：

Journal of Materials in Civil Engineering

ISSN：

0899-1561

年：

2011

卷：

期：

页码：

402-413

DOI：

10.1061/(ASCE)MT.1943-5533.0000179

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [90510018, 90715041]; National Basic Research Program (973 Project)National Basic Research Program of China [2007CB714100]

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Taking the heterogeneity character of concrete into account, this paper presents an equivalent probabilistic model for failure study of concrete in which the heterogeneity of concrete is considered by assuming that the material properties conform to the Weibull distribution law and by using mesoscale mesh of finite elements. The study is divided into three parts. In the first part, a spatial correlation length factor is developed into the Weibull distribution formula so that the spatial correlation of local continuity of material properties can be considered. The second part presents a series ...

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Study on the Heterogeneity of Concrete and Its Failure Behavior Using the Equivalent Probabilistic Model

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