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蔡鳳生，任維，楊佐，朱群紅

（浙江省建筑設(shè)計(jì)研究院，杭州 310006）

 

［摘要］東海水晶博物館是國內(nèi)第一座以水晶為主題的博物館，總建筑面積約2.萬m2，地下1層，地上5層，屋脊最大高度32.m，設(shè)計(jì)使用年限100年。外形復(fù)雜，屋面為豎向折線形，東西方向的上下樓層通過40°或140°斜面連接在一起，酷似水晶原石。主體結(jié)構(gòu)采用鋼筋混凝土框架－剪力墻結(jié)構(gòu)，所有斜面均采用現(xiàn)澆鋼筋混凝土梁板，是一種形狀比較特異的結(jié)構(gòu)類型。在結(jié)構(gòu)設(shè)計(jì)中，按100年取地震動(dòng)參數(shù)，并考慮斜板的側(cè)向剛度。采用PMSAP，MIDAS/GEN等不同軟件對結(jié)構(gòu)進(jìn)行計(jì)算分析，并進(jìn)行了多遇地震下的彈性時(shí)程分析和罕遇地震下的靜力彈塑性分析，找出結(jié)構(gòu)的薄弱部位，對薄弱部位進(jìn)行了加強(qiáng)，保證抗震性能目標(biāo)的實(shí)現(xiàn)。

［關(guān)鍵詞］設(shè)計(jì)使用年限；斜板；彈性時(shí)程分析；靜力彈塑性分析;抗震設(shè)計(jì)

中圖分類號(hào)：TU 242-5文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)08-0084-05

 

Cai Fengsheng, Ren Wei, Yang Zuo, Zhu Qunhong

(Zhejiang Province Institute of Architectural Design and Research, Hangzhou 310006, China)

 

Abstract: Donghai Crystal Museum Located at lianyungang city is the first crystal theme museum in China, with a total floor area about 27 000 m², and one level basement and five level floors above the ground. The maximum ridge height is 32.m, and the design service life is 100 years. The museum with a vertically coruggated roof and a complicated contour, which closely resembles the shape of a crystal ore, is connected either by 40 degrees or by 140 degrees inclined planes for the upper and lower floor level along the east-west direction. The structure system adopted is rather exceptional: the RC frame-shearwall for main structure and the cast-in-situ RC concrete beams and slabs for the inclined planes. The 100-year dynamic seismo-parameters and the inclined plane lateral stiffness have been all taken into consideration in the structure design. The key factors of the structure were checked with different structure softwares such as PMSAP and MIDAS/GEN. To guarantee the objectives of performance-based seismic design, some controling weak spots were determined by means of the elastic timehistory analysis under the frequent earthquake and nonlinear static analysis under the rare earthquake, and they are accordingly strengthened.

Keywords: design service life; inclined plane; elastic time-history analysis; nonlinear static analysis; seismic design

作者簡介：蔡鳳生，高級(jí)工程師，一級(jí)注冊結(jié)構(gòu)工程師，Email:cfscai@163.com。

 

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