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A stratified geotechnical soil core in a split liner, cold desaturated

Services · Civil and Infrastructure Testing

Soil and Geotechnical Testing per IS 2720

Geotechnical acceptance runs on the IS 2720 series with IS 4332, cross-referenced to ASTM D1883 for CBR, ASTM D698 for Standard Proctor, ASTM D4318 for consistency limits, and AASHTO T89 and T180 where the project specification calls for them.


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Overview

TCR Engineering Services Pvt. Ltd., a NABL ISO/IEC 17025:2017 accredited laboratory in Navi Mumbai, performs soil and geotechnical testing, including triaxial, direct shear, CBR, Proctor compaction, Atterberg limits and plate load tests, to the IS 2720 series, ASTM and AASHTO methods for construction and infrastructure projects across India.

Triaxial, direct shear, California Bearing Ratio (CBR), Standard Proctor and Modified Proctor compaction, Atterberg limits, sieve analysis and hydrometer particle size, plate load test, in-situ density (sand replacement and core cutter), unconfined compressive strength.

How TCR Tests Soil and Ground

TCR performs soil and geotechnical testing for construction and infrastructure projects across India: shear strength, bearing ratio, compaction, plasticity, particle size, in-situ density, and unconfined compressive strength.

The scope covers triaxial and direct shear for shear-strength parameters, California Bearing Ratio (CBR) for subgrade strength, Standard Proctor and Modified Proctor compaction for the moisture-density relationship, Atterberg limits for plasticity, sieve analysis and hydrometer for particle size, plate load testing, in-situ density by sand replacement and core cutter, and unconfined compressive strength.

Governing Standards

The geotechnical scope is governed by the IS 2720 series for methods of test for soils, alongside the ASTM and AASHTO designations below.

MethodWhat it measuresStandard
California Bearing Ratio (CBR)Subgrade and pavement bearing strengthIS 2720 series, ASTM D1883
Standard and Modified Proctor compactionMoisture-density relationshipASTM D698, AASHTO T180
Atterberg limitsLiquid and plastic limits, plasticityASTM D4318, AASHTO T89
Triaxial and direct shearShear-strength parametersIS 2720 series
Particle size (sieve and hydrometer)Grain-size distributionIS 2720 series
In-situ density (sand replacement, core cutter)Field compaction controlIS 2720 series
Stabilised soil testingTreated-soil performanceIS 4332

Where TCR Tests Ground Conditions

TCR's soil and geotechnical testing supports major infrastructure builds, including the Mumbai-Ahmedabad High Speed Rail packages under NHSRCL and the Larsen and Toubro Mumbai Metro.

On these projects, soil testing runs alongside concrete, rebar coupler, and structural NDT work, so the ground investigation and the structural materials pass through one accredited laboratory.

Related insights

2 published insights on this site bear directly on Soil and Geotechnical. They are shown below alongside the most recent Civil & Structural Testing work, and the full index carries all 36.

Read all 36 Civil & Structural Testing insights →All insights →

Frequently asked questions

What soil tests does TCR perform?

Triaxial, direct shear, California Bearing Ratio, Standard and Modified Proctor compaction, Atterberg limits, particle size, plate load, in-situ density, and unconfined compressive strength.

Which standards govern the CBR and Proctor tests?

The IS 2720 series, ASTM D1883 for CBR, ASTM D698 for Standard Proctor, and AASHTO T180.

How is in-situ density measured on site?

By the sand replacement and core cutter methods, for field compaction control.

Where has TCR done geotechnical testing?

On the Mumbai-Ahmedabad High Speed Rail packages under NHSRCL and the Larsen and Toubro Mumbai Metro, alongside concrete and rebar testing.

Test the ground before you build on it.

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