Dynamic response of a thawing soil around the tunnel under the vibration load of subway

被引：24
|
作者：
He, Peng-Peng [1 ]
Cui, Zhen-Dong [1 ]
机构：
[1] China Univ Min & Technol, Sch Mech & Civil Engn, State Key Lab Geomech & Deep Underground Engn, Xuzhou 221116, Jiangsu, Peoples R China
来源：
ENVIRONMENTAL EARTH SCIENCES | 2015年 / 73卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Dynamic response; Thawing soil; Subway vibration; Numerical simulation; GROUND VIBRATION; LAYERED SOILS; FREEZE-THAW; TRAINS; MODEL; PREDICTION; SPACE; CLAY;
D O I：
10.1007/s12665-014-3596-8
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A certain thickness of thawing soil remains after the construction of subway tunnel by the artificial freezing method in soft soil area. The physical and mechanical properties of soil change a lot after freezing and thawing; therefore, the dynamic response of thawing soil is different from that of undisturbed soil under the same vibration loads of subway. The numerical simulations of thawing soil and undisturbed soil were conducted in this paper. The variations of the acceleration and the displacement of the surface and some special points were analyzed. The propagation characteristics of wave in the soil and the differences between thawing soil and undisturbed soil were obtained.
引用
收藏
页码：2473 / 2482
页数：10
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