Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content (ISO/TS 17892-1:2004)

This document specifies the laboratory determination of the water (moisture) content of a soil test specimen by oven-drying within the scope of the geotechnical investigations according to prEN 1997 1 and prEN 1997 2. The water content is required as a guide to classification of natural soils and as a control criterion in re-compacted soils and is measured on samples used for most field and laboratory tests. The oven-drying method is the definitive procedure used in usual laboratory practice.
The practical procedure for determining the water content of a soil is to determine the mass of water removed by drying the moist soil (test specimen) to a constant mass in a drying oven controlled at a given temperature, and to use this value as the mass of water in the test specimen related to the mass of solid particles. The mass of soil remaining after oven-drying is used as the mass of the solid particles.

Geotechnische Erkundung und Untersuchung - Laborversuche an Bodenproben - Teil 1: Bestimmung des Wassergehalts (ISO/TS 17892-1:2004)

Dieses Dokument beschreibt die Bestimmung des Wassergehalts einer Bodenprobe durch Ofentrocknung im
Labor im Rahmen von geotechnischen Untersuchungen nach prEN 1997-1 und prEN 1997-2. Der Wasserhalt wird
als Hilfsgröße zur Klassifizierung von natürlich abgelagerten Böden sowie als Kriterium für die Kontrolle
rückverdichteter Böden benötigt und wird an den Proben bestimmt, die für die meisten Feld- und Laborversuche
verwendet werden. Die Ofentrocknung ist das übliche Verfahren in der Laborpraxis.
Die Bestimmung des Wassergehalts von Böden besteht in der Ermittlung der Masse des Wassers, die bei der
Trocknung mit festgelegter Temperatur des feuchten Bodens verdampft bis eine konstante Masse im
Trocknungsofen erreicht wird. Die so bestimmte Wassermasse der Masse des Wassers und die Masse der Proben
nach der Ofentrocknung entspricht der Masse der festen Bestandteile des Bodens.

Reconnaissance et essais géotechniques - Essais de laboratoire sur les sols- Partie 1: Détermination de la teneur en eau (ISO/TS 17892-1:2004)

Le présent document spécifie la détermination en laboratoire de la teneur en eau (humidité) d'une
éprouvette de sol par séchage a l'étuve dans le domaine de la reconnaissance géotechnique conformément
aux prEN 1997-1 et prEN 1997-2. La teneur en eau est requise comme guide lors de la classification d'un
sol naturel et comme critere de contrôle des sols compactés, elle est mesurée sur des échantillons utilisés
pour la plupart des essais de sols aussi bien en place qu'en laboratoire. La méthode par dessiccation a
l'étuve est la méthode de référence utilisée dans la pratique courante des laboratoires.
La procédure pratique de détermination de la teneur en eau d'un sol consiste a déterminer la masse d'eau
éliminée par séchage d'un sol humide (éprouvette d'essai) jusqu'a masse constante dans une étuve de
séchage asservie a une température donnée et de considérer cette valeur conventionnellement comme la
masse d'eau de l'éprouvette. La masse de sol rémanente apres séchage a l'étuve est considérée comme
la masse des particules solides.

Geotehnično preiskovanje in preskušanje - Laboratorijsko preskušanje zemljin - 1. del: Ugotavljanje vlažnosti (ISO/TS 17892-1:2004)

Ta dokument opredeljuje laboratorijsko ugotavljanje vlažnosti preskusnih vzorcev zemljin s sušenjem v sušilniku v okviru geotehničnega preiskovanja v skladu s prEN 1997-1 in prEN 1997-2. Vlažnost se zahteva kot vodilo za klasifikacijo naravnih zemljin in kot kontrolni kriterij za zgoščene prsti ter se meri na vzorcih, ki se uporabljajo za večino preskusov na terenu in v laboratoriju. Metoda sušenja v sušilniku je dokončni postopek, ki se uporablja v običajni laboratorijski praksi. Praktični postopek za ugotavljanje vlažnosti zemljin je z določevanjem mase vlage, odstranjene s sušenjem vlažne zemljine (preskusni vzorec) na konstantno maso v sušilniku, ki je nadzorovan pri dani temperaturi. Ta vrednost se uporablja kot masa vlage v preskusnem vzorcu v razmerju do mase trdnih delcev. Masa zemljine, ki ostane po sušenju v sušilniku se uporablja kot masa trdnih delcev.

General Information

Status
Withdrawn
Publication Date
30-Nov-2004
Withdrawal Date
11-Feb-2015
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
06-Feb-2015
Due Date
01-Mar-2015
Completion Date
12-Feb-2015

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SLOVENSKI STANDARD
SIST-TS CEN ISO/TS 17892-1:2004
01-december-2004
*HRWHKQLþQRSUHLVNRYDQMHLQSUHVNXãDQMH/DERUDWRULMVNRSUHVNXãDQMH]HPOMLQ
GHO8JRWDYOMDQMHYODåQRVWL ,6276
Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination
of water content (ISO/TS 17892-1:2004)
Geotechnische Erkundung und Untersuchung - Laborversuche an Bodenproben - Teil 1:
Bestimmung des Wassergehalts (ISO/TS 17892-1:2004)
Reconnaissance et essais géotechniques - Essais de laboratoire sur les sols- Partie 1:
Détermination de la teneur en eau (ISO/TS 17892-1:2004)
Ta slovenski standard je istoveten z: CEN ISO/TS 17892-1:2004
ICS:
13.080.20 Fizikalne lastnosti tal Physical properties of soils
93.020 Zemeljska dela. Izkopavanja. Earthworks. Excavations.
Gradnja temeljev. Dela pod Foundation construction.
zemljo Underground works
SIST-TS CEN ISO/TS 17892-1:2004 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN ISO/TS 17892-1:2004

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SIST-TS CEN ISO/TS 17892-1:2004
TECHNICAL SPECIFICATION
CEN ISO/TS 17892-1
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
October 2004
ICS 13.080.20; 93.020
English version
Geotechnical investigation and testing - Laboratory testing of
soil - Part 1: Determination of water content (ISO/TS 17892-
1:2004)
Reconnaissance et essais géotechniques - Essais de sol Geotechnische Erkundung und Untersuchung -
au laboratoire - Partie 1: Détermination de la teneur en eau Laborversuche an Bodenproben - Teil 1: Bestimmung des
(ISO/TS 17892-1:2004) Wassergehalts (ISO/TS 17892-1:2004)
This Technical Specification (CEN/TS) was approved by CEN on 20 October 2003 for provisional application.
The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their
comments, particularly on the question whether the CEN/TS can be converted into a European Standard.
CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available
promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS)
until the final decision about the possible conversion of the CEN/TS into an EN is reached.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 17892-1:2004: E
worldwide for CEN national Members.

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SIST-TS CEN ISO/TS 17892-1:2004
CEN ISO/TS 17892-1:2004 (E)
Contents page
Foreword.3
1 Scope .5
2 Normative references .5
3 Terms and definitions .5
4 Equipment .5
5 Test procedure.6
6 Test results.8
7 Test report .8
Annex A (informative) Explanations.9
Bibliography .10

Tables
Table 1 — Minimum test specimen mass.7

2

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SIST-TS CEN ISO/TS 17892-1:2004
CEN ISO/TS 17892-1:2004 (E)
Foreword
This document (CEN ISO/TS 17892-1:2004) has been prepared by Technical Committee CEN/TC 341
“Geotechnical investigation and testing”, the secretariat of which is held by DIN, in collaboration with Technical
Committee ISO/TC 182 “Geotechnics”.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to announce this Technical Specification: Austria, Belgium, Cyprus, Czech Republic, Denmark,
Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
CEN ISO/TS 17892 consists of the following parts, under the general title “Geotechnical investigation and testing
— Laboratory testing of soil”:
 Part 1: Determination of water content.
 Part 2: Determination of density of fine-grained soil.
 Part 3: Determination of particle density - Pycnometer method.
 Part 4: Determination of particle size distribution.
 Part 5: Incremental loading oedometer test.
 Part 6: Fall cone test.
 Part 7: Unconfined compression test on fine-grained soils.
 Part 8: Unconsolidated undrained triaxial test.
 Part 9: Consolidated triaxial compression tests.
 Part 10: Direct shear tests.
 Part 11: Permeability tests.
 Part 12: Determination of Atterberg limits.

3

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SIST-TS CEN ISO/TS 17892-1:2004
CEN ISO/TS 17892-1:2004 (E)
Introduction
This document covers areas in the international field of geotechnical engineering never previously standardised. It
is intended that this document presents broad good practice throughout the world and significant differences with
national documents is not anticipated. It is based on international practice (see [1]).
4

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SIST-TS CEN ISO/TS 17892-1:2004
CEN ISO/TS 17892-1:2004 (E)
1 Scope
This document specifies the laboratory determination of the water (moisture) content of a soil test specimen by
oven-drying within the scope of the geotechnical investigations according to prEN 1997-1 and prEN 1997-2. The
water content is required as a guide to classification of natural soils and as a control criterion in re-compacted soils
and is measured on samples used for most field and laboratory tests. The oven-drying method is the definitive
procedure used in usual laboratory practice.
The practical procedure for determining the water content of a soil is to determine the mass of water removed by
drying the moist soil (test specimen) to a constant mass in a drying oven controlled at a given temperature, and to
use this value as the mass of water in the test specimen related to the mass of solid particles. The mass of soil
remaining after oven-drying is used as the mass of the solid particles.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references,
only the edition cited applies. For undated references, the latest edition of the referenced document (including any
amendments) applies.
prEN 1997-1, Eurocode 7 - Geotechnical design — Part 1: General rules.
prEN 1997-2, Eurocode 7 - Geotechnical design — Part 2: Ground investigation and testing.
3 Terms and definitions
For the purposes of this document, the following term and definition apply.
3.1
water (moisture) content
w
the ratio of the mass of 'pore' or 'free' water in a given mass of soil material to the mass of the 'dry' solid soil
particles
NOTE In this context a soil is 'dry' when no further water can be removed at a temperature within the interval of
105 °C ± 5 °C.
4 Equipment
4.1 Drying oven
The drying oven shall be preferably of the forced-draft type, and capable of maintaining a uniform temperature of
105 °C ± 5 °C throughout the drying chamber. For ovens of the forced-draft type, the air circulation may not be so
strong that any transport of particles can take place.
4.2 Balance
The balance shall have an accuracy of
 ± 0,03 g for test specimens having a mass of 200 g or less,
 ± 0,3 g for test specimens having a mass of between 200 g and 1 000 g, or
 ± 3 g for specimens having a mass greater than 1 000 g.
5

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SIST-TS CEN ISO/TS 17892-1:2004
CEN ISO/TS 17892-1:2004 (E)
NOTE The accuracy of the water content determined on balances conforming to above specifications corresponds to 3
significant digits.
4.3 Test specimen containers
4.3.1 Test specimen containers shall be made of material resistant to corrosion and change in mass upon
repeated heating, cooling and cleaning. A suitable number of the containers shall have close fitting lids. One
contain
...

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