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(上?，F(xiàn)代建筑設(shè)計集團有限公司  200041)
【提要】 以某大型單建式地下車庫工程的逆作法設(shè)計為背景，介紹了主體工程地下結(jié)構(gòu)與支護結(jié)構(gòu)相結(jié)合領(lǐng)域方面的研究與實踐，以及在主體工程地下結(jié)構(gòu)與支護結(jié)構(gòu)相結(jié)合設(shè)計中，兩墻合一、水平結(jié)構(gòu)體系和豎向支承系統(tǒng)的設(shè)計原則和方法。提出了解決關(guān)鍵技術(shù)問題的對策。希望能促進主體工程地下結(jié)構(gòu)與支護結(jié)構(gòu)相結(jié)合技術(shù)(逆作法)的進一步完善與發(fā)展。
【關(guān)鍵詞】  支護結(jié)構(gòu)與主體結(jié)構(gòu)相結(jié)合  兩墻合一  一柱一樁  不均勻沉降控制
Design and Practice of Largescale Individual Underground Garage with Topdown  Construction Method/Wang Weidong，Xu Liang，Huang Shaoming(Shanghai Xiandai Architectural Design Group Co.,Ltd.,Shanghai 200041，China)
Abstract:Based on the design of a largescale individual underground garage with topdown construction method,research and practice on  combination of underground main structure and retainingbracing system for excavation are introduced.The design principle and method to take retainingbracing system for excavation including diaphragm retaining wall and inner bracing system as underground main structure,as well as countermeasure of key technical problems are also presented.It is hoped to promote further improvement and d
evelopment of technology in combination of underground main structure and retainingbracing system for excavation (topdown construction method).
Keywords:underground main structure; retainingbracing system; diaphragm retaining wall
；one pile supporting one column；differential settlement control