[1]夏培秀,邹广平,唱忠良,等.FRP增强混凝土缺口梁破坏模式的数值模拟[J].哈尔滨工程大学学报,2011,(11):1443-1446.[doi:doi:10.3969/j.issn.1006-7043.2011.11.009]
 XIA Peixiu,ZOU Guangping,CHANG Zhongliang,et al.Numerical simulation of the failure modes of a fiberglass-reinforced plastics (FRP) reinforced concrete beam with a V-notch[J].hebgcdxxb,2011,(11):1443-1446.[doi:doi:10.3969/j.issn.1006-7043.2011.11.009]
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FRP增强混凝土缺口梁破坏模式的数值模拟(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年11期
页码:
1443-1446
栏目:
出版日期:
2011-11-25

文章信息/Info

Title:
Numerical simulation of the failure modes of a fiberglass-reinforced plastics (FRP) reinforced concrete beam with a V-notch
文章编号:
1006-7043(2011)11-1443-04
作者:
夏培秀邹广平唱忠良唐立强
哈尔滨工程大学 航天与建筑工程学院,黑龙江 哈尔滨 150001
Author(s):
XIA Peixiu ZOU Guangping CHANG Zhongliang TANG Liqiang
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001,China
关键词:
纤维增强复合材料(FRP)缺口梁混凝土破坏模式裂纹扩展
分类号:
O346.5
DOI:
doi:10.3969/j.issn.1006-7043.2011.11.009
文献标志码:
A
摘要:
为了探讨纤维增强复合材料(FRP)加固混凝土缺口梁的缺口高度(a0)和FRP片材长度(Lx)对破坏模式及其极限承载力的影响,对缺口梁在集中载荷作用下的内部裂纹扩展、破坏模式及极限承载力进行了数值模拟,并从极限承载力和声发射信号方面入手探讨了FRP片材对混凝土梁的加固机理.数值模拟给出了载荷-位移曲线、声发射-位移曲线和混凝土梁的破坏过程的最小主应力分布图.模拟结果与实验结果较吻合.研究结果表明,该数值模拟方法为FRP片材加固混凝土构件的力学性能和破坏机理的研究提供了一种新的方法.

参考文献/References:

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备注/Memo

备注/Memo:
教育部博士点基金资助项目(20092304110003)
更新日期/Last Update: 2011-12-09