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混凝土Ⅰ-Ⅱ复合型裂纹断裂准则研究方法概述

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2006-12-30

Journal: 力学与实践

Included Journals: CSCD、ISTIC、PKU

Volume: 28

Issue: 6

Page Number: 9-14

ISSN: 1000-0879

Key Words: 混凝土;复合型断裂;断裂准则

Abstract: Ⅰ-Ⅱ复合型断裂是混凝土断裂中最常见的一种形式.断裂力学基本上有两种分析裂缝稳定性的方法:应力强度因子法和能量法,在混凝土断裂性能的描述上两者应该是等效的.本文介绍了不同种断裂准则的基本假定、判别标准、适用范围,并与实际试验结果相比较,指出各种断裂准则的优缺点.

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