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(1 中國建筑設(shè)計(jì)研究院，北京 100044； 2 廣東世紀(jì)達(dá)裝飾工程有限公司，北京 100101)
［摘要］金成大廈屋面采光頂幕墻設(shè)計(jì)采用雙向單層柔性索網(wǎng)結(jié)構(gòu)，利用雙向鋼索預(yù)張應(yīng)力承受外荷載作用。分析研究了雙向單層柔性索網(wǎng)結(jié)構(gòu)體系的作用機(jī)理、荷載工況組合及結(jié)構(gòu)構(gòu)件計(jì)算等問題，尤其對(duì)高層建筑頂部的結(jié)構(gòu)構(gòu)件在風(fēng)吸力作用下的應(yīng)力狀態(tài)提出了荷載工況組合的方法。有限元分析的應(yīng)力及變形結(jié)果為鋼索預(yù)張拉力及施工位移控制提供了依據(jù)，并在實(shí)際的施工操作中得到了驗(yàn)證。
［關(guān)鍵詞］雙向單層柔性索網(wǎng)結(jié)構(gòu)；荷載組合工況；構(gòu)件設(shè)計(jì)；施工位移控制
Design and construction in the glass roof of Jincheng Mansion
Zhang Fukui1，Zhang Zigang2(1 China Architecture Design & Research Group, Beijing  100044, China;  2 Guangdong Century Star Decoration Engineering Co., Ltd., Beijing  100101, China)
Abstract:A two-way single-layer cable net structure is used in the design of the glass roof of Jincheng Mansion. Loads are subjected by the prestress of cables of the structure. The structural mechanism, load combinations and calculation for structural members are analyzed in detail. The load-combination method is proposed for the design of the members on the top of the high-rise structure under wind suction load. In addition, the stress and deformation results obtained by finite element analysis can be used as a reference for the controlling value of prestress of cables and construction transformation, and the results are also verified by the practical structure.
Keywords:two-way single-layer cable net structure; load combination; member design; construction transformation control
作者簡(jiǎn)介：張付奎，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:zhangfk@cadg.cn。
參考文獻(xiàn)
［1］GB50009—2001建筑結(jié)構(gòu)荷載規(guī)范［S］.北京：中國建筑工業(yè)出版社，2001
［2］JGJ102—2003玻璃幕墻工程技術(shù)規(guī)范［S］.北京：中國建筑工業(yè)出版社，2003