ASTM D2850-95(1999)

Standard Test Method for Unconsolidated-Undrained Triaxial CompressionTest on Cohesive Soils

STANDARD published on 1.1.1999

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The information about the standard:

Designation standards: ASTM D2850-95(1999)
Note: WITHDRAWN
Publication date standards: 1.1.1999
SKU: NS-21708
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D2850-95(1999) :

Keywords:

cohesive soils, lateral confinement, strain-controlled loading, stress-strain relationships, total stresses, unconsolidated undrained strength, ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)

Additional information

1. Scope

1.1 This test method covers determination of the strength and stress-strain relationships of a cylindrical specimen of either undisturbed or remolded cohesive soil. Specimens are subjected to a confining fluid pressure in a triaxial chamber. No drainage of the specimen is permitted during the test. The specimen is sheared in compression without drainage at a constant rate of axial deformation (strain controlled).

1.2 This test method provides data for determining undrained strength properties and stress-strain relations for soils. This test method provides for the measurement of the total stresses applied to the specimen, that is, the stresses are not corrected for pore-water pressure.

Note 1--The determination of the unconfined compressive strength of cohesive soils is covered by Test Method D2166.

Note 2--The determination of the consolidated, undrained strength of cohesive soils with pore pressure measurement is covered by Test Method D4767.

1.3 The values stated in SI units are to be regarded as the standard. The values stated in inch-pound units and given in parentheses are approximate.

1.4 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

D6913-04	Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis
D6026-21	Standard Practice for Using Significant Digits and Data Records in Geotechnical Data
D4753-25	Standard Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing
D4318-17	Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils
D422-63(1998)	Standard Test Method for Particle-Size Analysis of Soils
D2488-26	Standard Practice for Description and Identification of Soils for Engineering Purposes (Visual-Manual Procedures)
D2487-17(2025)	Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)
D2216-19	Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass
D4767-11(2020)	Standard Test Method for Consolidated Undrained Triaxial Compression Test for Cohesive Soils
D3740-26	Standard Practice for Minimum Requirements for Agencies Engaged in Testing of Soil and Rock as Used in Engineering Design and Construction
D854-23	Standard Test Methods for Specific Gravity of Soil Solids by the Water Displacement Method
D653-26a	Standard Terminology Relating to Soil, Rock, and Contained Fluids (Includes all amendments and changes 6/15/2026).
D4220-D4220M-14	Standard Practices for Preserving and Transporting Soil Samples (Withdrawn 2023)
D1587-08	Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes
D2166/D2166M-24	Standard Test Method for Unconfined Compressive Strength of Cohesive Soil

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