Experimental investigation on treatment of loess subgrade with impaction and grind method(IGM)

被引：0

作者：

Wang Ji-li ^{[1
]}

Liu Yi-lin ^{[2
]}

Shen Xing-fu ^{[3
]}

Peng Sheng-ping ^{[4
]}

机构：

[1] Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan 430071, Hubei, Peoples R China

[2] Minist Commun, Res Inst Highway, Beijing 100088, Peoples R China

[3] Hubei Commun Planning & Design Inst, Wuhan 430071, Hubei, Peoples R China

[4] Hubei Construct Headquarters Tianxian First Class, Tianmen 431700, Peoples R China

来源：

ROCK AND SOIL MECHANICS | 2005年 / 26卷 / 05期

关键词：

loess; impaction and grind method(IGM); in-situ sounding; geotechnical test; degree of compaction;

D O I：

暂无

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

In a representative highway loess section, the experimental investigations on treatment of loess subgrade with impaction and grind method (IGM) were conducted. In these investigation, in-situ tests (loading tests, SPTs, DPTs, CPTs) and related laboratory tests were adopted. The rule that physico-mechanical parameters of subgrade (degree of compaction, degree of density, compression and collapsibility) and depth of treatment change along with pressing number is discussed. Through investigation, it is indicated that the effective depth of once treatment can reach 1.0m and has some effect on soil layer from 1.0m to 2.0m with the treatment of subgrade of loess with IGM. Therefore the treatment of subgrade with IGM is effective, practical and has high production efficiency. And it can get a wide use in highway loess foundation engineering.

引用

页码：756 / 760

页数：5