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蘇駿，劉晴云，季俊杰，陳紅宇（華東建筑設(shè)計研究院有限公司， 上海 200002）

［摘要］多塔結(jié)構(gòu)整體設(shè)計分析難度大、可操作性差，難于考察各塔樓的靜、動力特性。對于裙房剛度遠大于塔樓剛度的多塔結(jié)構(gòu)，可將整體模型簡化為裙房模型和單塔模型進行設(shè)計，并將單塔模型的地震力進行一定比例放大。通過設(shè)置翼墻、加厚樓板與加強樓板配筋等措施來減小塔樓間樓板內(nèi)的拉壓應(yīng)力。

［關(guān)鍵詞］多塔；單塔；裙房；地震作用

中圖分類號：TU9732 文獻標(biāo)識碼：A

文章編號：1002848X(2013)11007104

Discussion on practical simplified design method of multitower structure with large stiffness podium

Su Jun, Liu Qingyun, Ji Junjie, Chen Hongyu(East China Architectural Design & Research Institute Co., Ltd., Shanghai 200002, China)

Abstract:It is difficult to operate and analysis a multitower structure with an overall modal. Meanwhile， it is tough to study on the static and dynamic characteristics of each tower in an overall modal. For a multitower structure whose podiums stiffness is much larger than each singletowers, the overall modal can be simplified to the podium modal and each singletower modals whose seismic forces were scaled. By setting the wing walls, thickening the slabs and increasing the reinforcement, the tension and compression stress in the slabs between towers could be reduced.

Keywords:multitower; singletower; podium; earthquake action

作者簡介：蘇駿，高級工程師，Email：jun_su@ecadi.com。

參考文獻

［1］GB 50011—2010 建筑抗震設(shè)計規(guī)范［S］. 北京： 中國建筑工業(yè)出版社，2010.

［2］JGJ 3—2010 高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程［S］. 北京： 中國建筑工業(yè)出版社，2011.