[1]赵晓华,宋启根,薛国亚.钢筋混凝土梁裂纹扩展荷载的断裂力学研究[J].东南大学学报(自然科学版),1991,21(6):70-76.[doi:10.3969/j.issn.1001-0505.1991.06.011]
 Zhao Xiaohua,Song Qigen,Xue Guoya.Analysis of RC Beams by Fracture Mechanics[J].Journal of Southeast University (Natural Science Edition),1991,21(6):70-76.[doi:10.3969/j.issn.1001-0505.1991.06.011]
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钢筋混凝土梁裂纹扩展荷载的断裂力学研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
21
期数:
1991年第6期
页码:
70-76
栏目:
其他
出版日期:
1990-11-20

文章信息/Info

Title:
Analysis of RC Beams by Fracture Mechanics
作者:
赵晓华宋启根薛国亚
东南大学土木工程系; 东南大学土木工程系
Author(s):
Zhao Xiaohua Song Qigen Xue Guoya
Department of Civil Engineering
关键词:
钢筋混凝土 断裂力学/奇异单元 接触单元
分类号:
TV 313
DOI:
10.3969/j.issn.1001-0505.1991.06.011
摘要:
本文将线弹性断裂力学用于钢筋混凝土材料。对12根跨中带裂纹的钢筋混凝土梁试件进行了试验研究。结果表明,裂纹扩展荷载对裂纹长度是敏感的。文中采用了一种新的接触单元模拟钢筋和混凝土之间的滑移。用8结点等参元按断裂力学计算的数值结果与试验值符合很好,而按强度准则σmax≤σe所确定的裂纹扩展荷载则远低于试验值。由此可以说明,线弹性断裂力学在文中的条件下是适合于钢筋混凝土材料的。文中还分析了不同因素对裂纹扩展荷载的影响。

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备注/Memo

备注/Memo:
国家自然科学基金
更新日期/Last Update: 2013-04-20