地錨式沉井壓入施工階段對(duì)環(huán)境影響監(jiān)測(cè)成果分析
羅實(shí)瀚1，徐偉2
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(1 中國(guó)建筑西南設(shè)計(jì)研究院有限公司， 成都 610041； 2 同濟(jì)大學(xué)建筑工程系， 上海 200092)
［摘要］沉井施工不可避免地?cái)_動(dòng)周圍地層，導(dǎo)致地表沉降，從而對(duì)周圍的建（構(gòu)）物產(chǎn)生影響。結(jié)合實(shí)際工程,提出地錨式沉井壓入施工方案，并對(duì)壓沉過程中井壁周邊土體水平位移、地表沉降、土體分層沉降、管線沉降等的現(xiàn)場(chǎng)施工監(jiān)測(cè)數(shù)據(jù)進(jìn)行分析，探討地錨式沉井施工對(duì)周邊環(huán)境的影響。結(jié)果表明，地錨式沉井施工具有下沉速度快、對(duì)周邊環(huán)境影響較小等特點(diǎn)，可為今后考慮施工因素的沉井結(jié)構(gòu)設(shè)計(jì)提供依據(jù)。［關(guān)鍵詞］地錨式沉井; 現(xiàn)場(chǎng)監(jiān)測(cè); 地表沉降; 土體水平位移; 土層分層沉降; 管線沉降中圖分類號(hào)：TU398.7 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2016)08-0100-06
Analysis of monitoring results of environmental impact on anchor caisson-in pressing construction phaseLuo Shihan1, Xu Wei2(1 China Southwest Architectural Design and Research Institute Corp., Ltd., Chengdu 610041, China; 2 Department of Building Engineering, Tongji University, Shanghai 200092, China)Abstract: Caisson construction will inevitably disturb the surrounding strata, cause surface settlement and impact the surrounding buildings or structures. Combined with the practical engineering experience, the pressing construction scheme of anchor caisson was put forward. The field construction monitoring data in pressing process were analyzed, including the horizontal displacement of soil around caisson walls, ground surface settlement, soil layered settlement and underground pipeline settlement, to investigate the effects of anchor caisson pressing construction process on the surrounding environment. The results show that the anchor caisson pressing construction has characteristics of rapid speed and little effect on the surrounding environment, which can provide the basis for future caisson structural design with consideration of the construction factors.Keywords: anchor caisson; field monitoring; ground surface settlement; soil horizontal displacement; soil layered settlement; underground pipeline settlement
作者簡(jiǎn)介：羅實(shí)瀚，碩士，助理結(jié)構(gòu)工程師，Email:381363626@qq.com。
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