钢筋混凝土异形柱框架结构抗震性能及性能设计方法研究-结构工程专业论文.docxVIP

西安建筑科技大学博士学位论文关键词：异形柱框架结构；抗震性能；侧向刚度；受弯承载力；静力弹塑性分析；基于性能的 西安建筑科技大学博士学位论文 关键词：异形柱框架结构；抗震性能；侧向刚度；受弯承载力；静力弹塑性分析；基于性能的 抗震设计 论文类型：应用基础研究 ·试验部分的课题为上海市建设技术发展基金会项目(项目编号A9805112)中的子课题。该课 题己获2002年度上海市科技进步二等奖； 陕西省自然科学基金资助项目(2001C26) 陕西省教育厅专项基金项目(OlJKl69) AbstractThe Abstract The R．c．疳眦e with special-shaped colunms is a new structural system．Its aseismatic behavior is always being focused．T he research on the aseismatic behavior and the d esign method is of great theoretical significance and practical value． There are many researches 011 the speeial—shaped columns．but less on the R．C．flalne witll special—shaped cohtmns．The seismic design of the flame is a force-based seismic design method． while the displacement—based seismic design of the flame remains blank and unsolved．and the latter will be the main seismic design method for the future．11le aseismatic behavior and displacement-based design method ofR．C．fiaines wiⅡl special-shaped columns ar℃studied here．Such work have been done as follows： 1．The pseudo—static tests of three 1／2一scale models R，C．flames with special-shaped columns have been conducted．nle load—bearing properties．deformation and energy dissipation capacity and the mechanism of failure for the R．C．frames with special—shaped columns are studied．It makes a comparison in ductility between frames with special·shaped columns and single column．The interaction between infilled—wall and fme with special—shaped columns and its influence to the load bearing capacity and lateral stiffness are studied．Seismic behavior ofthe structure is evaluated． 2，Research has been done on the calculating methods oflateral stiffness and bearing capacity of the flame．According to experimental studies，finite element analysis and theoretical analysis，it develops to calculate lateral stiffness of frame with special—shaped columns of greater height·width ratio by using frame with rigid zones，and considering shear deformation of beam and columns． Without considering the torsion ofthe whole struct