多含水層體系下基坑支護(hù)施工技術(shù)研究

打開文本圖片集

Research on Construction Technology of Excavation Support in Multi -aquifer System （，）

中圖分類號：TU44 文獻(xiàn)標(biāo)志碼：A 文章編號：1005-8249（2025）01-0060-05

DOI：10.19860/j.cnki.issn1005- 8249.2025.01.012

LI Jinlong，WU Wei，WANG Taiyi，DUAN Xiaopeng，CHU Xinyu(Shanxi Metallurgical Geotechnical Engineering Exploration Co.，Ltd.， Taiyuan O3O0OO，China）

Abstract：Tosolvethe problemofuneven distributionof groundwaterinmulti aquifersystemsandthesetlementand support stabilityof adjacentcast-in-place pilescausedby water level drop duringconstruction，the Soil Mixing Wall（SMW） construction method combined with high-pressre grouting anti-seepage constructionand pile support technology，combined withprecipitation，anchorrods，andintealsupporttechnology，isusedtoensuretheoverallsafetyandstabilityoffoundation pitconstructioinmultiaquifersystems.Theresearchonfoundationpitsupportconstruction technologyinmultiaquifersystems is completed.Theresults indicate thatbothsquareand circular piles in SWMconstructionmethodcanmet therequirementsof support stability. When the diameter of the pile body is 0.6 m ，both can meet the requirements of support stability，which can provide specific reference value for such construction work.

Key words： multi aquifer system； anchor rod； excavation support； internal support construction

0 引言

基坑施工技術(shù)是一項涉及多學(xué)科的綜合性技術(shù)[1]，受施工工藝、氣候條件、地質(zhì)水文等多種因素的影響，在基坑的設(shè)計、勘察和施工過程中，支護(hù)結(jié)構(gòu)的穩(wěn)定性、強(qiáng)度和剛度至關(guān)重要[2-3]。（剩余7719字）