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（1 中建國(guó)際（深圳）設(shè)計(jì)顧問有限公司，深圳 518048；2 香港華藝設(shè)計(jì)顧問（深圳）有限公司，深圳 518031）

［摘要］高層建筑上部結(jié)構(gòu)嵌固端的選取是結(jié)構(gòu)設(shè)計(jì)的一個(gè)重要環(huán)節(jié)，通過對(duì)武漢某超高層住宅地下室頂板開洞進(jìn)行分析，探討如何考慮地下室頂板樓面開洞對(duì)嵌固端的影響。通過分析地下室頂板開洞后的樓板應(yīng)力、樓蓋的剛性，比較多塔模型與單塔模型的總體指標(biāo)。對(duì)比分析地下室頂板開洞與取消開洞兩種情況的結(jié)構(gòu)振動(dòng)特性和結(jié)構(gòu)變形，確定地下室上部?jī)蓷澇邔咏ㄖ那豆潭耍⑨槍?duì)地下室頂板開洞采取加強(qiáng)措施，供類似工程參考。

［關(guān)鍵詞］超高層建筑；上部結(jié)構(gòu)嵌固端；地下室頂板開洞

中圖分類號(hào)：TU375,TU973.16文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2011)04-0093-05

Effect analysis of the basement top slab opening on the fixed-end of the super high-rise building

Mo Shihai¹, Quan Ge², Liang Hao¹, Sun Kezhang²(1 China Construction (Shenzhen) Design International Co., Ltd., Shenzhen 518048, China；2 Hong Kong Hua Yi Design Consultants(S.Z.) Ltd., Shenzhen 518031, China)

Abstract:The selection of the fixed-end of the superstructure is an important part in the design of high-rise buildings. Based on a super high-rise building in Wuhan, the opening of the basement top slab was analyzed, and the ways to consider the effect of the basement top slab opening on the fixed-end were investigated. In order to determine the fixed-end of the structural system and the strengthening measures for the opening, the stress around the basement top slab opening, the stiffness of the basement top slab, the difference of the overall performance between the multi-tower model and the single-tower model were analyzed. Two cases of the structural deformation and structural natural vibration were also comparatively analyzed to determine the fixedend of the structural system. One is the model with the basement top slab opening, and the other is the model with the cancellation of the opening. The strengthening measures for the opening were taken and can be referenced for similar projects.

Keywords:super high-rise building; fixed-end of the superstructure; basement top slab opening

作者簡(jiǎn)介：莫世海，碩士，教授級(jí)高級(jí)工程師，Email：moshihai@189.cn。

參考文獻(xiàn)

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［2］JGJ3—2002高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程［S］. 北京：中國(guó)建筑工業(yè)出版社，2002.

［3］唐興榮. 特殊和復(fù)雜高層建筑結(jié)構(gòu)設(shè)計(jì)［M］. 北京：機(jī)械工業(yè)出版社，2006.