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王雙妍1，王忠全2
(1 同濟(jì)大學(xué)建筑設(shè)計(jì)研究院，上海200092；2 同濟(jì)大學(xué)土木工程學(xué)院，上海200092)[摘要] 杭州灣跨海大橋海中平臺結(jié)構(gòu)由淺海高樁平臺、上部多層框架以及屋頂異形三層網(wǎng)架組成，結(jié)構(gòu)形式復(fù)雜，整體分析難度大。本文著重介紹了采用合理的假定以及簡化，用整體結(jié)構(gòu)分析的方法完成對這種特殊結(jié)構(gòu)的分析計(jì)算，并與水工專業(yè)的分析結(jié)果進(jìn)行了比較，認(rèn)為是合理可靠的，對同類結(jié)構(gòu)的分析處理有一定參考作用。
[關(guān)鍵詞] 海中平臺；鋼結(jié)構(gòu)；整體分析Structure Analysis of a Large Steel Offshore Platform
Wang shuangyan1, Wang zhongquan2
(1 Architectural Design & Research Institute of Tongji University, Shanghai 200092 China; 2 Civil Engineering College, Tongji University, Shanghai 200092, China)Abstract: Taking the Hangzhou Bay Sea-Crossing Bridge offshore platform as an example,the integral analysis of a kind of multi-storey steel building with triple-layer space trusses is introduced. Considering the characters of the platform, by assumption and reasonable predigestion, the platform structure is analyzed and results are compared. The analysis experience can be a reference for similar engineering.
Keywords: offshore platform; integral structure analysis; steel structure
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