| 碎石桩加固油罐地基试验研究 |
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| 引用本文： | 叶书麟,韩杰,闵泉欣,高恒松. 碎石桩加固油罐地基试验研究[J]. 岩土工程学报, 1992, 14(6): 50-59 |
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| 作者姓名： | 叶书麟 韩杰 闵泉欣 高恒松 |
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| 作者单位： | 同济大学地下系；上海勘察院；上海勘察院 上海200092；上海200092；200002； |
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| 摘 要： | 油罐地基的载荷板试验、标准贯入试验、静力触探试验和充水预压试验等研究表明,碎石桩加固油罐地基能增强地基中饱和粘质粉土抗地震液化的能力;提高软土地基承载力;大大缩短油罐沉降时间和减小差异沉降量;在一定程度上能抑制起始超孔隙水压力的产生。
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| 关 键 词： | 碎石桩 油罐地基 充水预压 孔隙水压力系数 试验研究 加固地基 天然地基 平均固结度 超静水压力 加荷速率 |
Field Study of Oil Tank Foundation Stabilized by Stone Columns |
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| Ye Shulin,Han Jie,Min Quanxin,Gao Hengsong. Field Study of Oil Tank Foundation Stabilized by Stone Columns[J]. Chinese Journal of Geotechnical Engineering, 1992, 14(6): 50-59 |
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| Authors: | Ye Shulin Han Jie Min Quanxin Gao Hengsong |
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| Affiliation: | Tongji University Shanghai Reconnassance Institute |
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| Abstract: | Static loading plate tests, SPT, CPT and water preloading test of the oil tank foundation improved by stone columns’ were made in-situ. Studies of the results obtained shown as follows: ① Stone columns strengthen the resistance to seismic liquefaction of the saturated clayey silt foundation; ② Bearing capacity of the foundation was doubled; ③ Rate of consolidation of the foundation was accelerated, and the differential settlement of the oil tank decreased; ④ Initial excess pore water pressure in the foundation Was reduced. |
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