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《Earthquake Engineering and Engineering Vibration》 2006-01
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Center of rigidity of high-rise building under wind action

Ma Shengdong ~(1),Zhou Deyuan~(1),Sun Lianghong~(2)(1.State Key Laboratory for Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092,China;2.Shanghai Exploration Structural Engineering Consultative Co.Ltd,Shanghai 200020,China)  
This paper provides the definition of the center of rigidity of irregular high-rise building through analyzing the torsional moment on the high-rise building under wind action with two approaches.One approach uses the floor eccentricities,in conjunction with the static equivalent loading to calculate the floor torques.The story torsional moment is then obtained by summing the floor torques above the story.This approach was suggested in the Recommended Lateral Force Requirements and Commentary by the Structural Engineers Association of California.The second approach uses story eccentricities,in conjunction with the static equivalent loading to calculate the story torques.This approach was suggested by Uniform Building Code.In the end,a simple example is worked out in detail to show the steps involved in each approach.It provides the reference for high-rise building design.
【Fund】: 国家自然科学基金项目(50025821);; 上海市重点学科建设研究项目
【CateGory Index】: TU973.2
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Chinese Journal Full-text Database 10 Hits
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