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1Seismic fragility assessment of revised MRT buildings considering typical construction changes显示文摘The present study investigates the vulnerability assessment of the prototype revised Mandatory Rule of Thumb(MRT)buildings initially designed and detailed for three storeys bare frame building;later modified through variable number of storeys(three,four,and five)and different arrangement of infill walls(bare frame,soft-storey,irregular infilled,and fully infilled).The application of infill walls increases the fundamental frequencies,stiffness,and maximum strength capacity,but reduces the deformation capability than the bare frame building.The vulnerability was also reduced through infill walls,where the probability of exceeding partial-collapse and collapse damage reduced by 80% and 50%,respectively.Furthermore,the increased in storeys(three to five)also increases the failure probability,such that partial-collapse and collapse for fully infilled increases by almost 55% and 80%,respectively.All obtained results and discussions concluded that the structural sections and details assigned for MRT building is not sufficient if considered as bare frame and soft-storey.And increase in number of storeys causes building highly vulnerable although the infill walls were considered.Rakesh DUMARU Hugo RODRIGUES Humberto VARUM 2020Frontiers of Structural and Civil Engineering2020,14,1:0
2Modeling considerations in seismic assessment of RC bridges using state-of-practice structural analysis software tools显示文摘多次,向结构的地震安全的一般社会的增加的了解因此导致了更限制的表演要求到使用结构的分析的新、更精确的方法的需要。在这些之中,永远,非线性的静态的过程正在变得设计的多数的比较喜欢的选择编码,作为完成为结构的地震设计和评价的非线性的时间历史分析的一种选择。许多可得到的软件工具应该因此被评估并且很好理解,容易并且很熟由专业人员采用了以便是。此处介绍的学习打算由在桥结构的非线性的分析关于通常采用的结构的分析软件工具的使用提供进一步的卓见贡献这需要。在不同非线性的建模假设之间的比较被介绍,和有真实试验性的结果的比较。而且,其他的适应闲差事过程被建议并且适用于一座案例研究桥,基于一个通用塑料绞链模型。采用的结构的分析程序证明了精确,产出可靠估计,两个以本地塑料依赖行为和全球结构的行为。Ricardo MONTEIRO Miguel ARAUJO Raimundo DELGADO Mario o MARQUES 2018Frontiers of Structural and Civil Engineering2018,12,1:0
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