建筑结构学报2011,Vol.32Issue(6):18-26,9.
带叠层桁架转换层高层建筑结构整体模型振动台试验研究
Shaking table test of structural model of high rise building with laminated truss transfer story
摘要
Abstract
Yunian International Commercial Affairs Building is a complex high rise building with mega-laminated truss transfer story.The prestressed concrete laminated truss transfer story with very large span and high vertical load demand is the key technological challenge for the entire structural design and construction.To investigate its seismic performance, a 1∶25 reduced scale structure model of Yunian International Commercial Affairs Building was tested on shaking table.The dynamic properties of the model structure were studied.The test was conducted, inputting the El Centro earthquake wave, the Pasadena earthquake wave and the Shw2002 earthquake wave in four intensities, i.e.the frequent intensity, the fortification intensity, seismic rare intensity and the strong and rare intensity for seismic regions of 7 and 8 degree respectively.The model responses of acceleration, displacement and strain were measured under different earthquake waves.The failure mechanism and the cracking pattern were discussed as well.The experimental results show that the model structure can meet the design requirements for seismic regions of intensity 7, i.e.no damage under frequent earthquakes and no collapse under rare earthquakes.Collapse of the structure can be prevented for rare intensity for 8 degree.Thus the structure has adequate seismic performance.The prestressed concrete laminated transfer truss is basically in elastic range under the earthquake action of the frequent intensity, the fortification intensity and the rare intensity 7.关键词
高层建筑/叠层桁架/转换层/振动台试验/抗震性能Key words
high-rise building/ laminated truss/ transfer story/ shaking table test/ seismic behavior分类
建筑与水利引用本文复制引用
唐兴荣,王恒光,王燕,计国,赵健..带叠层桁架转换层高层建筑结构整体模型振动台试验研究[J].建筑结构学报,2011,32(6):18-26,9.基金项目
苏州科技学院横向科研项目(H181). (H181)