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大型油罐地基变形特性分析
引用本文:王文军,朱向荣.大型油罐地基变形特性分析[J].建筑结构,2007(11).
作者姓名:王文军  朱向荣
作者单位:浙江大学宁波理工学院,浙江大学宁波理工学院 315100,315100,浙江大学岩土工程研究所杭州310027
摘    要:采用振冲碎石桩法和充水预压法对某软土地区5×104m3油罐地基进行处理。基于沉降观测数据,分析了充水预压阶段油罐地基的沉降规律,并探讨了地基固结程度。根据使用三年后的罐基变形监测结果,分析了油罐地基的平面倾斜、非平面倾斜及罐基拱度特性。总结了该地基不均匀变形超过允许值的原因,并提出了相应的地基加固处理措施。

关 键 词:油罐地基  充水预压  变形特性  不均匀变形  压密注浆

Study on Deformation Properties of Soil Foundation Under a Large Oil Tank
Wang Wenjun,Zhu Xiangrong.Study on Deformation Properties of Soil Foundation Under a Large Oil Tank[J].Building Structure,2007(11).
Authors:Wang Wenjun  Zhu Xiangrong
Affiliation:Wang Wenjun~1,Zhu Xiangrong~
Abstract:Stone columns and water filling preload methods are applied to improve the (50 000)m~3 oil tank foundation on soft soil.Based on the testing settlement data during filling preload,settlement properties and consolidation degree of stone-improved composite foundation of the oil tank are discussed.According to the testing data after three years,the plane inclination,non-plane inclination and arch degree of the oil tank foundation are analyzed.Finally,unsuccessful factors of foundation treatment are generalized,and the corresponding reinforcement measures are proposed.
Keywords:oil tank foundation  water filling preload  non-homogeneous settlement  deformation property  compacted injection
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