Numerical test study on ground frost heave deformation caused by artificial horizontal ground freezing method

被引：0
|
作者：
Bi Guiquan [1 ,2 ]
Wang Dong [1 ]
Li Ning [3 ]
机构：
[1] Lanzhou Univ Technol, Sch Energy & Power Engn, Lanzhou 730050, Peoples R China
[2] CAREERI, State Key Lab Frozen Soil Engn, CAS, Lanzhou 730000, Peoples R China
[3] Xian Univ technol, Inst Geotechn Engn, Xian 710048, Peoples R China
来源：
ADVANCES IN CIVIL ENGINEERING II, PTS 1-4 | 2013年 / 256-259卷
关键词：
Equivalent load method; nonlinear deformation; depth of tunnel; frozen wall thickness; excavation radius of tunnel; frost heaving ratio;
D O I：
10.4028/www.scientific.net/AMM.256-259.340
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Aiming at frost heave problem existing in tunnel construction with artificial horizontal ground freezing in coastal areas, this paper puts forward an equivalent load method for frost heave simulation and a nonlinear deformation simulation method for soil around frost wall. Employing the numerical test method, the designing parameters' influence on ground frost heave is studied systematically. These parameters include depth of tunnel, frozen wall thickness, excavation radius of tunnel and frost heaving ratio. Furthermore, some measures are proposed to reduce ground frost heave.
引用
收藏
页码：340 / +
页数：2
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