ISO 17892-8:2018

ISO 17892-8:2018

February 2018
International standard Current

Geotechnical investigation and testing - Laboratory testing of soil - Part 8: Unconsolidated undrained triaxial test

ISO 17892-8:2018 specifies a method for unconsolidated undrained triaxial compression tests.ISO 17892-8:2018 is applicable to the laboratory determination of undrained triaxial shear strength under compression loading within the scope of geotechnical investigations.The cylindrical specimen, which can comprise undisturbed, re-compacted, remoulded or reconstituted soil, is subjected to an isotropic stress under undrained conditions and thereafter is sheared under undrained conditions. The test allows the determination of shear strength and stress-strain relationships in terms of total stresses.Non-standard procedures such as tests with the measurement of pore pressure or tests with filter drains are not covered in this document.NOTE This document fulfils the requirements of unconsolidated undrained triaxial compression tests for geotechnical investigation and testing in accordance with EN 1997‑1 and EN 1997‑2.

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International ISO standards

Publication date

February 2018

Number of pages

14 p.

Reference

ISO 17892-8:2018

ICS Codes

13.080.20   Physical properties of soils
93.020   Earthworks. Excavations. Foundation construction. Underground works

Print number

1
Sumary
Geotechnical investigation and testing - Laboratory testing of soil - Part 8: Unconsolidated undrained triaxial test

ISO 17892-8:2018 specifies a method for unconsolidated undrained triaxial compression tests.

ISO 17892-8:2018 is applicable to the laboratory determination of undrained triaxial shear strength under compression loading within the scope of geotechnical investigations.

The cylindrical specimen, which can comprise undisturbed, re-compacted, remoulded or reconstituted soil, is subjected to an isotropic stress under undrained conditions and thereafter is sheared under undrained conditions. The test allows the determination of shear strength and stress-strain relationships in terms of total stresses.

Non-standard procedures such as tests with the measurement of pore pressure or tests with filter drains are not covered in this document.

NOTE This document fulfils the requirements of unconsolidated undrained triaxial compression tests for geotechnical investigation and testing in accordance with EN 1997‑1 and EN 1997‑2.

Replaced standards (2)
ISO/TS 17892-8:2004
October 2004
Technical specification Cancelled
Geotechnical investigation and testing - Laboratory testing of soil - Part 8 : unconsolidated undrained triaxial test

ISO/TS 17892-8:2004 specifies the test method for the determination of the compressive strength of a cylindrical, water-saturated specimen of undisturbed or remoulded cohesive soil when first subjected to an isotropic stress without allowing any drainage from the specimen, and thereafter sheared under undrained conditions within the scope of the geotechnical investigations according to prEN 1997-1 and -2. NOTE "Water-saturated" refers to the in-situ condition. The material tested need not necessarily be saturated at all stages during the laboratory testing.

ISO/TS 17892-8/AC1:2006
January 2006
Technical specification Cancelled
Technical corrigedum 1 to standard ISO/TS 17892-8:2004

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