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(1 上海巖土工程勘察設(shè)計(jì)研究院有限公司  200002；2 上海應(yīng)用技術(shù)學(xué)院  200235)
【提要】  在對(duì)擋墻坑內(nèi)加固體受力分析的基礎(chǔ)上，探討了對(duì)加固作用產(chǎn)生影響的主要因素，研究了加固體對(duì)基坑變形的空間作用。提出了在上海地區(qū)，加固體寬度和高度在4m左右，間距控制在10～15m比較適宜。最后通過工程實(shí)例進(jìn)行了驗(yàn)證。
【關(guān)鍵詞】  坑內(nèi)加固  擋墻變形  影響因素
Influences of Reinforcement in Foundation Pit with Retaining Wall on Foundation Pit Deformation/Jian Hao１，Qi Liangfeng2(1 Shanghai Geotechnical Investigations & Design Institute,Shanghai 200002,China;2 Department of Civil Engineering,Shanghai Institute of Technology,Shanghai 200235,China)
Abstract:On the basis of mechanical analysis of the reinforcement in foundation pit,the main effect factors of the reinforcement are discussed,and the space effect of the reinforcement on the deformation of foundation pit is studied.The analysis results show that it is feasible that the width and height of reinforcement are about 4m,and the distance between the reinforcements is 10m and 15m.At last,the result is verified by a the practical engineering.
Keywords:reinforcement;foundation pit;deformation of retaining wall;influence factor