摘要
某新建国际网球赛馆为大型空间预应力混合结构。其主赛馆看台为倒锥形现浇预应力混凝土结构,屋盖为开闭式钢结构。对该结构进行了缩尺模型的振动台试验,根据几何相似和预应力等效的原则,研究解决了小比例振动台模型中预应力筋配置和预应力施工的技术课题,探索了该类旋转对称、高宽比较小的空间结构不同于普通高层结构的振动测试布置方法。试验验证了这一结构以扭转为主的振型特点,揭示了环向预应力在保证结构维持罕遇地震作用下的整体性上的重要作用,并对工程作出了抗震性能评价。
The newly built international tennis stadium is a spatial and prestressed hybrid structure. The platform of the main stadium is a prestressed concrete structure cast in situ in the shape of inverted cone while the roof part is retractable steel structure. Shaking table test for the scaled model was conducted in accordance with the geometric similarity and prestress equivalency. During the experiment, the prestressed tendon configuration and construction in small ratio scaled model and the dynamic test method for the cyclically symmetric spatial structure with a low ratio to maintain the overall performance of the structure under scarce earthquakes is confirmed, and the evaluation of the project is made as well.
出处
《地震工程与工程振动》
CSCD
北大核心
2006年第6期158-163,共6页
Earthquake Engineering and Engineering Dynamics
基金
上海市重点工程项目
关键词
空间预应力结构
模型缩尺技术
振动台试验
抗震性能
spatial and prestressed structure
model scaling technique
shaking table test
seismic behavior
