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projektai-lsd Lithuanian Standards Board
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prEN 17542-4

Earthworks - Geotechnical laboratory tests - Part 4: Test method for measurement of collapse potential of soils

Draft Public enquiry
Comment end date 2025-12-07
Export comments Read draft and comment

Project stage codes

1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2025-10-10 till 2025-12-07
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

93.020 - Earthworks. Excavations. Foundation construction. Underground works

Technical Committee

TK 59 Geotechnics

ForeignTC'S

CEN/TC 396

Number of comments

0

Comment start date

2025-10-10

Scope

This document specifies the test method for the determination of the magnitude of one-dimensional collapse that occurs when unsaturated soils are inundated with water. This method is used to determine two parameters related with the collapsibility of a soil: the collapse index and the collapse potential. This test method specifies the technique for specimen preparation, the apparatus and the procedure for quantifying the amount of height change associated with collapse and procedures for reporting test results. The procedure given in this test method is applicable to both undisturbed samples or remolded specimens. It is a one single sample test procedure.