多含水層體系下基坑支護施工技術研究
打開文本圖片集
Research on Construction Technology of Excavation Support in Multi -aquifer System （，）
中圖分類號：TU44 文獻標志碼：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
基坑施工技術是一項涉及多學科的綜合性技術[1]，受施工工藝、氣候條件、地質水文等多種因素的影響，在基坑的設計、勘察和施工過程中，支護結構的穩(wěn)定性、強度和剛度至關重要[2-3]。（剩余7719字）