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为研究黏结键软化效应在岩石破坏离散元模拟过程中的影响，将黏结裂缝模型的软化关系引入到Flat-Joint本构模型中，使颗粒间发生黏结破坏时考虑软化效应，并通过C++语言生成供颗粒流程序(PFD2D)调用的离散元本构子程序(DLL)。模拟岩石单轴压缩过程，根据其应力–应变曲线、软化黏结键数量和断裂黏结键数量变化曲线将破坏过程划分为以下5个阶段：线性上升段、非线性上升段、非线性下降段、脆性下降段和残余...
FATIGUE DURABILITY EVALUATION OF TROUGH TO DECK PLATE WELDED JOINT OF ORTHOTROPIC STEEL DECK
orthotropic steel deck trough to deck plate welded detail fatigue durability evaluation
2008/12/17
The present study is intended as analysis investigations of fatigue durability of the trough to deck plate welded joint failed at weld root in deck plate. The investigations are carried out on the ba...
Experimental Studies of New Joint System for Thin-Walled Steel Profiles
New Joint System Thin-Walled Steel Profiles
2010/8/18
The results and conclusions regarding the experimental test of the joint assembly of thin walled steel profile with and without strengthening elements (stiffeners) are presented. The entire test serie...
Teaching Polymeric Composites in Construction, a Joint Effort of Education, Research and Industry
Teaching Polymeric Construction a Joint Effort of Education
2010/8/17
Fiber reinforced polymer (FRP) composites are currently finding a large use in many civil engineering areas. They are utilized in all composites structures with special electric and magnetic and corro...