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（同濟(jì)大學(xué)建筑設(shè)計研究院（集團(tuán)）有限公司， 上海 200092）
［摘要］隨著基坑工程的積累，監(jiān)測手段及監(jiān)測數(shù)據(jù)的不斷豐富，越來越多的實(shí)測數(shù)據(jù)表明水泥土加固、地下連續(xù)墻成槽、開挖卸荷等不同基坑施工階段對周邊環(huán)境均有一定程度的影響。為研究基坑施工過程中不同工況下周邊土體變形的特性，選取上海軟土地區(qū)較為典型的深基坑工程，對基坑工程周邊環(huán)境的變形進(jìn)行了全過程的監(jiān)測，按照施工順序，依次分析了不同工況下坑外地表隆沉的分布形式，總結(jié)了上海軟土地區(qū)基坑工程的變形特征，并對基坑工程不同施工階段的變形影響原因進(jìn)行了分析。
［關(guān)鍵詞］軟土地區(qū)； 深基坑； 變形特性
中圖分類號： TV551.4+2 文獻(xiàn)標(biāo)識碼： A文章編號： 1002-848X(2016)S1-0732-05
Deformation characteristics and control measures of each process in the deep
excavation in Shanghai soft soil
Yang Ke
(Architectural Design & Research Institute of Tongji University, Shanghai 200092, China)
Abstract: With the accumulation of deep excavations in Shanghai soft area, monitoring data of deep excavations show that each process of excavation, include diaphragm wall construction, soil reinforcement and excavation unloading, have a certain influence on surrounding environment. The monitoring data of three deep excavations in soft soil area of Shanghai was collected. Based on the typical deep excavation cases, the measured deformation data in each process of excavation was analyzed. the characteristics of surrounding soil deformation in different construction stages were studied.
Keywords: underground urban complex; construction mode; settlement coordination
作者簡介： 楊科，博士，工程師，Email：younk123@163.com。*上海市科學(xué)技術(shù)委員會科研計劃項目（14231200700）。
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