SHEAR-STRENGTH OF UNSATURATED SOILS

被引：1230
|
作者：
FREDLUND, DG
MORGENSTERN, NR
WIDGER, RA
机构：
[1] UNIV ALBERTA,T6G 2G7,ALBERTA,CANADA
[2] DEPT HIGHWAYS,PRINCE ALBERT S6V 5S4,SASKATCHEWAN,CANADA
来源：
CANADIAN GEOTECHNICAL JOURNAL | 1978年 / 15卷 / 03期
关键词：
SOILS - Mechanical Properties;
D O I：
10.1139/t78-029
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The shear strength of an unsaturated soil is written in terms of two independent stress state variables. In one form of the shear strength equation, the transition from a saturated soil to an unsaturated soil is readily visible. In a second form of the shear strength equation, the independent roles of changes in total stress and changes in pore-water pressure are easily visualized. Published research literature provides limited data. However, the data substantiate that the shear strength can be described by a planar surface of the forms proposed. A procedure is also outlined to evaluate the pertinent shear strength parameters from laboratory test results. Refs.
引用
收藏
页码：313 / 321
页数：9
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