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 (中國(guó)建筑上海設(shè)計(jì)研究院有限公司， 上海 200063)

［摘要］由于建筑造型和功能的限制，濟(jì)寧創(chuàng)意大廈兩個(gè)方向均不設(shè)置伸縮縫，為雙向超長(zhǎng)鋼筋混凝土結(jié)構(gòu)。采用有限元軟件ETABS和MIDAS Building對(duì)結(jié)構(gòu)進(jìn)行整體建模計(jì)算及詳盡的溫差效應(yīng)分析。介紹了分析中結(jié)構(gòu)綜合溫差的取法以及溫降作用效應(yīng)的折減方法，并得出了溫差效應(yīng)的分布特點(diǎn)。在分析結(jié)果的基礎(chǔ)上，對(duì)本工程采取了相應(yīng)的措施來(lái)解決溫差效應(yīng)帶來(lái)的不利影響，以滿足規(guī)范要求。介紹的溫差效應(yīng)分析方法概念明確、設(shè)計(jì)方便，可供類似工程參考。

［關(guān)鍵詞］超長(zhǎng)鋼筋混凝土結(jié)構(gòu); 溫差效應(yīng); 綜合溫差; 伸縮縫

中圖分類號(hào)：TU375，TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2014)12-0023-06

Analysis and design method of temperature variation effect on Jining Chuangyi Building

Qian Xiaojun, Wang Jiefu, Wang Yonggang

 (China Shanghai Architectural Design & Research Institute Co., Ltd., Shanghai 200063, China)

Abstract: Due to architectural facade and functional restrictions, there are no expansion joints in two directions of Jining Chuangyi Building, which is a bilateral overlong reinforced concrete structure. The finite element software ETABS and MIDAS Building were used in integral modeling and calculations, and temperature variation effect was analyzed in detail. The general temperature variation selection method and reduction method of structural temperature drop effect were introduced. The distribution features of structural temperature variation effect were obtained. Based on the analysis results, corresponding measures were taken to solve the adverse effects of temperature variation effect in this project in order to meet the requirements of the code. The method in analysis of temperature variation effect is clear in concept and convenient in design, providing reference for similar engineering practice.

Keywords: overlong reinforced concrete structure; temperature variation effect; general temperature variation; expansion joint

作者簡(jiǎn)介：錢曉軍，碩士，工程師，Email: zaitian007@126.com。

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