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
Title of Paper:FRP加固混凝土构件中裂纹扩展规律的数值模拟
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Date of Publication:2006-12-30
Journal:工程力学
Included Journals:Scopus、EI、PKU、ISTIC、CSCD
Volume:23
Issue:12
Page Number:143-148
ISSN No.:1000-4750
Key Words:FRP;混凝土结构;裂纹扩展;MFPA系统;数值模拟
Abstract:用材料破坏过程分析系统MFPA(Material Failure Process Analysis)对FRP(Fiber Reinforced Polymer)加固混凝土梁在外荷载作用下沿FRP板和混凝土之间界面剥落的不同破坏模式以及混凝土中的裂纹分布进行了数值模拟.通过分析,发现剥落破坏可能产生在FRP板与混凝土之间的粘结层内或其上方附近的混凝土中.模拟结果与实验结果较吻合.粘结层和混凝土的特性对于剥落传播的类型及裂纹的分布有很大的影响.着重探讨了混凝土的强度参数以及粘结层的强度参数对于整个构件承载能力及最终破坏模式的影响.
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