填充墙框架结构在地震作用下的滞回特性与损伤分析被引量：9

Hysteretic response and damage analysis of masonry infilled frames under severe earthquake

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摘要填充墙采用基于光滑滞回模型的等效斜压杆模拟,建立了填充墙与框架协同工作的非线性地震反应分析模型.基于疲劳损伤模型,分析了填充墙框架结构的滞回反应和损伤特性及结构的屈服机制.计算结果表明,由于填充墙和框架能够分阶段释放地震能量,填充墙框架在罕遇地震作用下具有良好的耗能能力、塑性破坏机制和抗倒塌能力;填充墙设置的位置的不同对结构地震反应的影响是不容忽视的. Considering the infill panels and frame work together, a nonlinear seismic analysis model of masonry infilled frames is established. An analytical macromodel based on an equivalent strut approach integrated with a smooth hysteretic model is used for representing masonry infill panels in nonlinear analysis of frame structures. The hysteretic model uses degrading control parameters for stiffness and strength degradation and slip pinching. Based on the fatigue damage model, hysteretic energy dissipation and damage performance of the masonry infilled frames as well as the overall yield mechanism and the sequence and the location of the yield plastic hinge are analyzed by means of a nonlinear structural analysis program IDARC2D Version 6.1. Results show that masonry infilled frame has good energy dissipation capacity , reasonable yield mechanism and earthquake collapse resistance capacity.

作者田洁周楠

机构地区西安建筑科技大学土木工程学院西安理工大学土木系

出处《西安建筑科技大学学报（自然科学版）》 CSCD 北大核心 2008年第2期189-195,共7页 Journal of Xi'an University of Architecture & Technology(Natural Science Edition)

关键词填充墙框架结构非线性地震反应滞回耗能与损伤 masonry in filled frames structure nonlinear seismic responses damage and energy dissipation

分类号 TU323.5 [建筑科学—结构工程]

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