Experiment Research and Design of a Field Test Device for Permeability of Pore Air of Unsaturated Soils

被引：0

作者：

Xu, Song ^{[1
,2
]}

Zhang, Fuyou ^{[1
,2
]}

Yuan, Junpin ^{[1
,2
]}

Chen, Hongwei ^{[3
]}

Gu, Ming ^{[1
,2
]}

机构：

[1] Hohai Univ, Minist Educ Geomech & Embankment Engn, Key Lab, Nanjing 210098, Jiangsu, Peoples R China

[2] Hohai Univ, Inst Engn Saftey & Disaster Prevent, Nanjing, Peoples R China

[3] Tongji Univ, Coll Civil Engn, Dept Geotech Engn, Shanghai 200092, Peoples R China

来源：

PROGRESS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 170-173卷

关键词：

unsaturated soil; permeability of pore air; field test; coefficient of air permeability; device;

D O I：

10.4028/www.scientific.net/AMM.170-173.256

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Permeability of pore air is one of the main basic characters of unsaturated soil. Measuring it accurately is important in anti-seepage design. In this paper, a new kind of device was invented that could test permeability of pore air of unsaturated soil in situ quickly and accurately. With this apparatus, the relationship of air permeability coefficient with various dry densities and saturation of ground soils were obtained in a reservoir. Compared with routine indoor test, field test can decrease the disturbance to the soil and the result is more accurately.

引用

页码：256 / +

页数：2

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