结构工程师2012,Vol.28Issue(4):18-26,9.
某平面不规则结构弹塑性时程分析
Elasto-Plastic Time History Analysis of a Structure with Irregularity in Plan
摘要
Abstract
With a fold line shape in projection;one frame-shear wall structure;is an located in 8 seismic intensity area;is an irregular structure in plan under the high seismic intensity. In this paper;a scale model is constructed with NosaCAD so as to investigate the deformation;damage;and plastic development of the structure under frequency and rare intensity of 8 degree earthquake by using elasto-plastic time history analysis method. The result indicates that there is no damaged elements under the frequent earthquakes. Under the rare earthquakes;yielding hinges firstly occur on some fame beams or columns and limited concrete has crushed at the bottom of wall elements. The maximum inter story drift of the structure;meet the seismic design requirement of Chinese code when it reaches 1/103. The order and distribution of damages on components are helpful to dissipate dynamic energy. The structure satisfies the code requirements of no damage under frequent earthquake and donot collapse under rare earthquake.关键词
平面不规则结构/框架剪力墙结构/弹塑性时程分析Key words
irregular structure in plan/frame-shear wall structure/time history analysis引用本文复制引用
张腾,吴晓涵,吕西林..某平面不规则结构弹塑性时程分析[J].结构工程师,2012,28(4):18-26,9.基金项目
国家自然科学基金中外国际合作项目(51022140006) (51022140006)