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工程设计学报
Chinese Journal of Engineering Design  2010, Vol. 17 Issue (5): 365-371    DOI:
    
The modified response spectrum method for double lay long span space reticulate shells
 SUN  Jian-Mei1，3, ZHANG  Qi-Lin2
1.School of Economics and Management, Shanghai University of Electric Power， Shanghai  200090, China;
2.College of Civil Engineering， Tongji University， Shanghai  200092, China;
3.College of Civil Engineering， Southeast University, Key Lab of RC & PC Structure， Ministry of Education， Nanjing 210096, China
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Abstract   In order to analyze the double lay long span space reticulate shells with high precise， the comprehensive analysis was carried out by the response spectrum method and the time history response method. The difference of analysis by the two methods was put forward， and then by means of regress method， the modified coefficients which used to correct the analysis result of the response spectrum method were studied. So the practical modified response spectrum method was put forward with the modified coefficient. The error caused by the response spectrum method is decreased. The method is not only simple but also high precise through the example. The calculation shows that the method is efficient and precise in the seismic response analysis of the complicate structures， such as double lay long span space reticulate shells. It provides the theoretical basis and guidance with convenience．

Key words： double lay long span space reticulate shells      time history response method      response spectrum metho regress method      modified coefficient     
Published: 28 October 2010
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SUN Jian-Mei
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SUN Jian-Mei, ZHANG Qi-Lin. The modified response spectrum method for double lay long span space reticulate shells. Chinese Journal of Engineering Design, 2010, 17(5): 365-371.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2010/V17/I5/365


双层网壳结构动力响应分析的修正反应谱法

为了使反应谱法分析大跨度空间双层网壳结构具有较高的精度，通过对该结构用反应谱法和时程分析法进行全面分析，找出反应谱法和时程分析法结果之间的差异，将回归理论引入其结果分析中，对如何得出修正系数以修正反应谱法得出的结果进行研究，从而提出一种修正反应谱的方法.通过实例分析可以看出，用这种方法得出的抗震分析结果具有较高的精度，说明此修正反应谱法适合于该结构形式的抗震分析，为该形式结构的工程抗震设计提供理论依据和指导．

关键词： 大跨空间双层网壳结构,  时程分析法,  反应谱法,  回归理论,  修正系数 
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