Methods of test for soils, Part 39: Direct shear test for soils containing gravel, Section 2: In-situ shear test 1979 Edition
The 1979 edition of IS 2720 Part 39 Section 2 outlines the methodology for performing in-situ direct shear tests on soils that include gravel and cobbles, aimed at determining their shear strength characteristics. It details procedures for preparing samples, applying loads, capturing measurements, and analyzing outcomes to ensure accurate evaluation of soil shear resistance in field environments. This code is vital for professionals engaged in geotechnical investigations and foundation engineering involving coarse-grained soils.
The 1979 edition of IS 2720 Part 39 Section 2 outlines the methodology for performing in-situ direct shear tests on soils that include gravel and cobbles, aimed at determining their shear strength characteristics. It details procedures for preparing samples, applying loads, capturing measurements, and analyzing outcomes to ensure accurate evaluation of soil shear resistance in field environments. This code is vital for professionals engaged in geotechnical investigations and foundation engineering involving coarse-grained soils.
Audience
Who Uses This Standard
Geotechnical engineering specialists
Technicians in soil testing laboratories
Engineers designing foundations
Civil engineering professionals
Researchers specializing in soil mechanics
Quality control engineers in construction
Consultants for infrastructure projects
Contents
Key Topics Covered
✓Procedure for in-situ direct shear testing
✓Testing protocols for soils with gravel and cobblestones
✓Preparation of samples using steel shear boxes
✓Implementation of normal and shear load applications
✓Employment of hydraulic jacks and loading apparatus
✓Measurement techniques for shear force and displacement
✓Data recording and interpretation of load versus displacement
✓Derivation of shear strength parameters including cohesion and internal friction angle