| 地铁行车荷载作用下淤泥质黏土累积特性的试验研究 |
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| 引用本文： | 唐益群,李珺,刘莎,周洁,王建秀,杨坪. 地铁行车荷载作用下淤泥质黏土累积特性的试验研究[J]. 工程地质学报, 2011, 19(4): 460-466 |
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| 作者姓名： | 唐益群 李珺 刘莎 周洁 王建秀 杨坪 |
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| 作者单位： | 1.同济大学 岩土及地下工程教育部重点实验室 上海 200092; |
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| 基金项目： | 国家自然科学基金资助项目(40872178); 上海市重点学科(地质工程)建设项目资助(B308) |
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| 摘 要： | 中国上海地区地铁隧道一般位于第④层淤泥质黏土层中,在地铁行车荷载作用下隧道周围土体变形引起隧道轴线沉降,有些区段隧道轴线沉降量已超过20cm,引起了一系列环境地质问题.本文以上海第④层原状淤泥质黏土为研究对象,通过室内循环三轴试验,模拟地铁运营过程中产生的振动荷载,研究荷载作用下上海淤泥质黏土的累积应变、孔隙水压力及再...
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| 关 键 词： | 地铁行车荷载 淤泥质黏土 循环三轴试验 累积应变 孔隙水压力 |
| 收稿时间： | 2011-02-10 |
EXPERIMENTAL STUDY ON THE BEHAVIOR OF MUDDY CLAY UNDER SUBWAY LOADING |
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| TANG Yiqun LI Jun LIU Sha ZHOU Jie WANG Jianxiu YANG P ing. EXPERIMENTAL STUDY ON THE BEHAVIOR OF MUDDY CLAY UNDER SUBWAY LOADING[J]. Journal of Engineering Geology, 2011, 19(4): 460-466 |
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| Authors: | TANG Yiqun LI Jun LIU Sha ZHOU Jie WANG Jianxiu YANG P ing |
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| Affiliation: | 1.Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education,Tongji University,Shanghai 200092;2.Department of Geotechnical Engineering,Tongji University,Shanghai 200092 |
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| Abstract: | During the cyclic triaxial test,the vibration loading produced by Shanghai underground subway running is simulated.The developmental law of acCumulated strain and pore water pressure of undisturbed muddy clay under this subway loading is studied.In addition,the effect of drained condition during cyclic loading on the properties of muddy clay is also analyzed.At the end of this paper,several important conclusions are presented,which are very useful to the predicting and controlling of tunnel settlement cause... |
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| Keywords: | Subway loading Muddy clay Cyclic traixial test Accumulated strain Pore water pressure |
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