ISO/TS 17892-10-2004
土工勘查和检验.土壤的实验室检验.第10部分:直接剪切试验

Geotechnical investigation and testing - Laboratory testing of soil - Part 10: Direct shear tests

标准号

ISO/TS 17892-10-2004

发布日期

2004年10月

实施日期

废止日期

无

中国标准分类号

P13

国际标准分类号

13.080.20;93.020

发布单位

国际标准化组织

适用范围

This document specifies laboratory test methods to establish the effective shear strength parameter for soils within the scope of the geotechnical investigations according to prEN 1997-1 and -2. The test method consists of placing the test specimen in the direct shear device, applying a pre-determined normal stress, providing for draining (and wetting if required) of the test specimen, or both, consolidating the specimen under normal stress, unlocking the frames that hold the specimen, and displacing one frame horizontally with respect to the other at a constant rate of shear-deformation and measuring the shearing force, and horizontal displacements as the specimen is sheared. Shearing is applied slowly enough to allow excess pore pressures to dissipate by drainage so that effective stresses are equal to total stresses. Direct shear tests are used in earthworks and foundation engineering for the determination of the effective shear strength of soils.

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