Shaking Table Model Test of a High rise Building Structure

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Shaking Table Model Test of a High rise Building Structure

更新时间：2023-11-28

- Shaking Table Model Test of a High rise Building Structure
- Advanced Engineering Sciences Vol. 39, Issue 4, Pages: 50-56(2007)
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施卫星,丁美,成广伟.超限高层建筑整体模型模拟地震振动台试验研究[J].工程科学与技术,2007,39(4):50-56.

Shaking Table Model Test of a High rise Building Structure. [J]. Advanced Engineering Sciences 39(4):50-56(2007)
施卫星,丁美,成广伟.超限高层建筑整体模型模拟地震振动台试验研究[J].工程科学与技术,2007,39(4):50-56. DOI：

Shaking Table Model Test of a High rise Building Structure. [J]. Advanced Engineering Sciences 39(4):50-56(2007) DOI：

摘要

中文摘要: 为对超限高层结构的破坏机理和抗震性能进行深入研究，对一高宽比超限的复杂高层建筑进行了1/15的模型模拟地震振动台试验。研究了模型结构的动力特性和不同烈度地震作用下模型的加速度反应、位移反应、应变反应和扭转效应，并根据模型试验结果和相似关系反推到原形结构，研究了原形结构的破坏机理和破坏形式。试验及分析结果表明，原形结构的前三阶振型周期分别为1.795 s（Y向平动），1.72 s（ X向平动）和1.423 s（整体扭转），扭转与平动周期比为0.79；原形结构在7度多遇和罕遇地震动作用下弹性位移角和弹塑性位移

Abstract

Abstract:A shaking table test of 1/15 scale model of a high rise building was carried out in the Shaking Table Division of State Key Laboratory for Disaster Reduction in Civil Engineering at Tongji University. The model’s dynamic characteristics and responses of acceleration

deformation

strain and torsion under different level earthquake were investigated. Then the seismic response of the prototype structure were deduced and analyzed. The dynamic behavior

failure mechanism and the cracking pattern of the prototype structure was studied. The test and analytical results show that the periods of the first three modes of the prototype are 1.975 seconds(Y translation)

1.72 seconds(X translation) and 1.423 seconds (rotation) in turn

thus the ratio of the period of the first rotation mode to the first translation mode is 0.79. The maximum story drift angle of the prototype structure under frequent and rare earthquake is 1/798 and 1/163 respectively

which meet the earthquake resistance requirement. But the torsion of the prototype structure does not satisfy the codes specification. Finally

some suggestions for the engineering design of the structure are put forward.

关键词

高层建筑模型试验振动台试验动力特性地震反应

Keywords

high rise buildingmodel testshaking table testdynamic characteristicsseismic response

references

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