【摘要】 分析了武汉中心深基坑工程坑中坑开挖区域支护桩桩间粉细砂土层在基坑降水条件下的强度和稳定性问题,从土体含水量和粘土夹层及其透镜体两个角度研究了其对粉细砂层岩土体性状的影响,并提出了类似基坑降水后土体开挖和支护稳定的建议。更多还原

【Abstract】 This paper presents a case history of the deep excavations for Wuhan-Center foundation construction.The strength and stability aspects of the silty fine sand within the soldier piles in the excavated area within the nested deep excavations under the dewatering conditions are evaluated.The impact of the soil moisture content and clayey lenses on the properties of the in-situ silty fine sand is examined.The conclusions of the similar excavation under the dewatering conditions are reached.更多还原