884aa四虎影成人精品,99久久国产综合精品女图图等你,97在线观看永久免费视频,久久精品国产精品亚洲38,ⅵdeodesetv性欧美

   （1 煤炭工業(yè)濟(jì)南設(shè)計(jì)研究院有限公司,濟(jì)南 250031；2 中國(guó)五洲工程設(shè)計(jì)集團(tuán)有限公司，北京 100053）

[摘要] 合肥地下軌道交通大東門(mén)站基坑建設(shè)是在軟土地質(zhì)條件下進(jìn)行的大斷面基坑開(kāi)挖建設(shè)，由于開(kāi)挖基坑距離重點(diǎn)保護(hù)的合肥古井假日酒店較近，在開(kāi)挖之前需要做出科學(xué)的分析。采用有限元分析軟件，建立基坑開(kāi)挖土巖體與支護(hù)結(jié)構(gòu)的數(shù)值分析模型，通過(guò)分步施工步驟進(jìn)行計(jì)算分析，得出基坑開(kāi)挖對(duì)古井假日酒店影響的分析結(jié)果，驗(yàn)證了通過(guò)有限元計(jì)算來(lái)預(yù)測(cè)基坑變形的可行性，并得出軟土地質(zhì)條件下基坑變形一般規(guī)律的結(jié)論。

[關(guān)鍵詞] 軟土；基坑支護(hù)；沉降變形；有限元

中圖分類(lèi)號(hào)： TU433                文獻(xiàn)標(biāo)識(shí)碼：A            文章編號(hào)：1002-848X（）

作者簡(jiǎn)介：李志祿，學(xué)士，高級(jí)工程師，Email：lizhilu@cjdchina.com。

Deformation monitoring and numerical simulation analysis of deep foundation pit under rock-soil combinational geological condition

Li Zhilu¹，Sun Dongchen¹，Yin Zhiwei²

（1 Coal Industry Jinan Design & Research Co., Ltd., Jinan 250031, China; China Wuzhou Design Group Co., Ltd., Beijing 100053, China)

Abstract: Hefei underground rail traffic construction of DaDongMen Railway Station foundation pit excavation is the construction of large cross section excavation in soft soil geological condition. Due to focus on the Holiday in Hefei Gujing Hotel near the excavation of foundation pit, need to make scientific analysis. By using the finite element analysis software, excavation in rock mass and supporting structure of the numerical analysis model were established by step excavation, analyzed with construction procedure. The analysis result of the numerical analysis model verifies the feasibility to predict the deformation of foundation pit by finite element analysis, and concludes the general rules of deformation under the geological condition of soft soil foundation pit, with a view to similar engineering to provide certain reference value.

Keywords: soft soil; foundation pit; deformation; finite element

參  考  文  獻(xiàn)

[1] 唐業(yè)清.深基坑工程事故的預(yù)防與處理.[J].施工技術(shù),1997(1):4-5.

[2] 劉杰,姚海林,任建喜.地鐵車(chē)站基坑圍護(hù)結(jié)構(gòu)變形監(jiān)測(cè)與數(shù)值模擬[J].巖土力學(xué),2010,31(2):456-461.

[3] 牛牧偉,景利軍,童興.基坑開(kāi)挖支撐方案的現(xiàn)場(chǎng)實(shí)測(cè)與研究[J].土工基礎(chǔ),2012，26(4):5-8.

[4] 李長(zhǎng)安.合肥市軌道交通深基坑支護(hù)分析[J].鐵道建筑技術(shù),2010(S2):93-98.

[5] GB 50007—2011 建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范[S].北京：中國(guó)建筑工業(yè)出版社，2011.