Norm

NPR-CEN-ISO/TS 17892-7:2004 en

Geotechnisch onderzoek en beproeving - Beproeving van grond in het laboratorium - Deel 7: Samendrukkingsproef op een vrijstaand monster van fijnkorrelige grond

48,19

Over deze norm

Status Definitief
Aantal pagina's 12
Gepubliceerd op 01-11-2004
Taal Engels
This document covers the determination of an approximate value of the unconfined compressive strength for a square or cylindrical water-saturated homogeneous specimen of undisturbed or remoulded cohesive soil of sufficiently low permeability to keep itself undrained during the time it takes to perform the test within the scope of geotechnical investigations according to prEN 1997-1 and -2. The unconfined compressive strength of cohesive soils is a measure of the apparent cohesion. A cohesive soil behaves as if it is truly cohesive, e.g. clay and clayey soils, but most soils in this group behave cohesively due to negative pore pressure and friction and not due to actual cohesion. This test method is useful to derive the undrained shear strength of soil. It should however be noted that no provisions are taken to prevent drainage. The derived value for undrained shear strength is therefore only valid for soils of low permeability, which behave sufficiently undrained during testing. The method is not appropriate for fissured or varved clays or silts or peats.

Details

ICS-code 13.080.20
93.020
Nederlandse titel Geotechnisch onderzoek en beproeving - Beproeving van grond in het laboratorium - Deel 7: Samendrukkingsproef op een vrijstaand monster van fijnkorrelige grond
Engelse titel Geotechnical investigation and testing - Laboratory testing of soil - Part 7: Unconfined compression test on fine-grained soil

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