ASTM D4767-95

    Historical Standard: ASTM D4767-95 Standard Test Method for Consolidated Undrained Triaxial Compression Test for Cohesive Soils

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    ASTM D4767

    1. Scope

    1.1 This test method covers the determination of strength and stress-strain relationships of a cylindrical specimen of either an undisturbed or remolded saturated cohesive soil. Specimens are isotropically consolidated and sheared in compression without drainage at a constant rate of axial deformation (strain controlled).

    1.2 This test method provides for the calculation of total and effective stresses, and axial compression by measurement of axial load, axial deformation, and pore-water pressure.

    1.3 This test method provides data useful in determining strength and deformation properties of cohesive soils such as Mohr strength envelopes and Young's modulus. Generally, three specimens are tested at different effective consolidation stresses to define a strength envelope.

    1.4 The determination of strength envelopes and the development of relationships to aid in interpreting and evaluating test results are beyond the scope of this test method and must be performed by a qualified, experienced professional.

    1.5 The values stated in SI units shall be regarded as the standard. The values stated in inch-pound units are approximate.

    1.6 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D422 Test Method for Particle-Size Analysis of Soils

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D854 Test Methods for Specific Gravity of Soil Solids by Water Pycnometer

    D1587 Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes

    D2166 Test Method for Unconfined Compressive Strength of Cohesive Soil

    D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass

    D2435 Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading

    D2850 Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils

    D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction

    D4220 Practices for Preserving and Transporting Soil Samples

    D4318 Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils

    D4753 Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing

    D6026 Practice for Using Significant Digits in Geotechnical Data


    ICS Code

    ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)

    UNSPSC Code

    UNSPSC Code 11111501(Soil)


    DOI: 10.1520/D4767-95

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