【摘要】 丽泽SOHO总建筑面积达17.28万m~2,结构高度为191.5m,由反对称复杂双塔及跨度9m～38m弧形钢连廊共同组成,形成世界最高的中庭之一。本文进行了缩尺比例为1∶25整体结构模型的振动台试验,研究了该模型结构在地震作用下的响应特点,评价了其整体抗震性能,并对结构薄弱部位提出设计改进建议。试验结果表明:层间位移、扭转位移比及损伤情况能够满足规范要求;结构模型在8度大震后仍保持良好的整体性,具有一定的抗震储备能力;该结构体系设计合理,结构总体可以达到预设结构抗震设计性能的目标。更多还原

【Abstract】 Lize SOHO has a total construction area of 172,800 square meters and a building height of 191.5 meters, and forming one of the highest Atrium in the world which is composed of anti-symmetric complex twin towers and curved steel corridor with a span of 9 m～38 m. In this paper, the response characteristics of the scale model named Lize SOHO on 1:25 scale under earthquake action are studied; and the overall seismic performance of model structure is evaluated in detail. In addition, the suggestions to improve the weak parts of test structure are put forward. The results show that the structure design is reasonably and can meet the requirements of the code by the seismic performance of story drift, torsional displacement ratio, and damage evolution. The structure still maintains good overall performance under 8 degree rare earthquake and has a certain seismic reserve capacity. So the prototype can achieve the preset performance target of seismic design.更多还原