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 鐘才敏，傅晉申

（華東建筑設(shè)計(jì)研究院有限公司，上海 200002）

 

 

［摘要］介紹了虹橋商務(wù)區(qū)8號(hào)地塊的結(jié)構(gòu)設(shè)計(jì)難點(diǎn)及關(guān)鍵技術(shù)應(yīng)用，重點(diǎn)闡述“樁墻合一”技術(shù)、軟土地區(qū)擴(kuò)底樁以及大懸挑結(jié)構(gòu)的設(shè)計(jì)方法。“樁墻合一”技術(shù)把圍護(hù)排樁與地下室外墻作為共同的抗側(cè)力結(jié)構(gòu)，可較好地利用排樁這種臨時(shí)支護(hù)體系；擴(kuò)底樁可有效地提高樁的承載能力。對(duì)于近年工程中頻繁出現(xiàn)的大懸挑結(jié)構(gòu)，結(jié)合本工程提出了設(shè)計(jì)分析的整體思路及施工措施。

［關(guān)鍵詞］樁墻合一； 擴(kuò)底樁； 大懸挑結(jié)構(gòu)

中圖分類號(hào)：TU398.2，TU473.1文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)05-0106-04

 

Zhong Caimin, Fu Jinshen

(East China Architectural Design & Research Institute Co., Ltd., Shanghai 200002, China)

 

Abstract: The structural design difficulties and the applications of key technology were described, especially focused on the design method of pile wall interaction, base-enlarged pile in soft soil area and large cantilever structure. To take retaining pile and basement wall as a common resist lateral force structure,pile wall interaction technology can be a good use of the retaining pile of temporary support system; base-enlarged pile can effectively increase the bearing capacity. In recent years, there are many-large cantilever structures, and combined with this project, the trains of thought and construction measure for similar structure were provided.

Keywords: pile wall interaction; base-enlarged pile; large cantilever structure

作者簡(jiǎn)介：鐘才敏，碩士，高級(jí)工程師，Email：caimin_zhong@ecadi.com。

 

［1］夏江，徐志敏，嚴(yán)平，等. 基坑工程中“一樁三用”技術(shù)的應(yīng)用［J］. 建筑技術(shù)，2004，35（5）：340-341.

［2］DGJ 08-11—2010 地基基礎(chǔ)設(shè)計(jì)規(guī)范［S］. 上海：2010.