甘肃省大剧院超限复杂结构抗震设计

梁淑萍1，莫庸2，金建民2，王从容1(1 上海建筑设计研究院有限公司，上海 200041； 2 甘肃省建设科技专家委员会，兰州 730000)

［摘要］甘肃省大剧院兼会议中心工程平面选型复杂，出现局部楼层错层、楼板开大洞、竖向构件局部转换等，属于特别复杂的高层建筑结构，给结构设计带来了很多新的课题和理念。结合抗震规范的要求，采用三水准、两阶段设计方法，对主体结构进行了详细的弹性和弹塑性抗震分析。分析结果表明，在地震作用下，主体结构具备较好的承载和变形能力，能够达到小震弹性、中震可修、大震不倒的性能指标。通过罕遇地震作用下的弹塑性分析计算，找出了结构潜在的抗震薄弱部位和薄弱构件，并提出相应的抗震加强措施，为工程设计提供了参考。

［关键词］ 超限复杂结构;抗震性能分析;弹塑性分析;抗震加强措施

中图分类号：TU318，TU352.1文献标识码：A文章编号：1002-848X(2011)01-0045-05

Seismic design on ultra limit complicated structure  of Gansu Grand Theatre

Liang Shuping1, Mo Yong2, Jin Jianmin2, Wang Congrong1

(1 Shanghai Institute of Architectural Design Research Co., Ltd., Shanghai 200041, China;

2 Gansu Architecture Design & Consultation Co., Ltd., Lanzhou 730000, China)

Abstract:Gansu Grand Theatre is a complex engineering, and partial split-level floors，the bigger ratio of hole on the floor and local transfer of vertical components etc are existed in the structure. This structure belongs to the special complicated and high-rise structure, which brings a lot of new issues and concepts for structure design. Combined with the requirements of the national anti-seismic norms, the elastic and elastic-plastic seismic analyses of the structure were carried out using the method of three levels and two stages. The analysis results indicate that under the earthquake, the main structure has good bearing and deformation ability，and it can reach the aims of elasticity under small earthquake，restoration under medium earthquake and uncollapsing under large earthquake. By the analysis of elastic-plastic under large earthquake, the weak parts in seismic performance were found, and the seismic strengthening measures were suggested.

Keywords:ultra limit complicated structure; seismic performance; elastic-plastic analysis; seismic strengthening measure

作者简介：梁淑萍，高级工程师，一级注册结构工程师，Email：Liangsp@siadr.com.cn。 

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