超越设防烈度强震作用下某超限复杂连体结构性能分析  

Performance Analysis of a Out-of-code Complex Connected Structure with Strong Earthquake

作　　者：贺锐波 韩小雷[2,3] 林金樾 林哲[3] He Ruibo1, Han Xiaolei2,3, Lin Jinyue3, Lin Zhe3(1,Mobozhi Architecture Design INC. Guangzhou 510130,China; 2,State Key Laboratory of Subtropical Building Science,South China University of Technology Guangzhou 510640,China 3,School of Civil Engineering and Transportation,South China University of Technology Guangzhou 510640, China)

机构地区：[1]广东睿博建筑设计研究有限公司,广州510130 [2]华南理工大学亚热带建筑科学国家重点实验室,广州510640 [3]华南理工大学土木与交通学院,广州510640

出　　处：《广东土木与建筑》2018年第6期61-66,共6页Guangdong Architecture Civil Engineering

摘　　要：我国发生的数次强震,实际震中烈度均有超过设防烈度的情况。某建筑为超高层复杂连体结构,位于广州市南沙区,设防烈度7度,根据现行规范设计完成后,采用基于性能的抗震设计方法对其进行8度强震分析,评估其抗倒塌性能。分析结果表明:15~34层每层有0.5%~3%的梁单元处于倒塌状态;21~22层有2%~3%的柱单元进入比较严重破坏;墙单元虽只进入轻中等破坏,然而抗剪性能下降明显,尤其是框支剪力墙;连体楼板需特别加强。因此,设计剪力墙时需更为注重提高其抗剪能力,另外按7度设防烈度设计的结构有一定安全储备,能够承受8度大震而不至结构整体倒塌。Several strong earthquakes that hit China have been proved to exceed the fortification intensity of the epicenter. A super high-rise architecture features a complex connected structure,located in Nansha District,13uangzhou,w-ith fortification intensity of 7-degree. Having been de- sign to meet the demand of current codes and specifications,rare earthquake waves of 8-degree intensity have been acted on the structure to conduct anti-collapse analysis. Results showed that 0.5%~3% of beams had collapsed from floor 15 to floor 34,2%~3% of columns had been significantly damaged from in floor 21 and 22,supported shear-wall showed minor damage in bending deformation,but there was significant de- crease in shear capacity performance,and that slab in connected floors required reinforcing. Therefore,much more effort should be spent on rein- forcing the shear capacity of shear-walls during design,mad structure designed in fortification intensity of 7 degree can withstand rare earth- quakes in 8-degree intensity and not resulting in total collapse, suggesting a certain amount of safety reserve.

关 键 词：基于构件变形 超限复杂连体 超越设防烈度 强震作用 

分 类 号：TU318[建筑科学—结构工程]