SIST-TS CEN ISO/TS 22476-11:2008

SLOVENSKI STANDARD
SIST-TS CEN ISO/TS 22476-11:2008
01-julij-2008
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3ORVNRYQLGLODWRPHWUVNLSUHVNXV,62
Geotechnical investigation and testing - Field testing - Part 11: Flat dilatometer test (ISO
22476-11:2005)
Geotechnische Erkundung und Untersuchung - Felduntersuchungen - Teil 11:
Flachdilatometerversuch (ISO 22476-11:2005)
Reconnaissance et essais géotechniques - Essais en place - Partie 11: Essai au
dilatomètre plat (ISO 22476-11:2005)
Ta slovenski standard je istoveten z: CEN ISO/TS 22476-11:2005
ICS:
93.020 Zemeljska dela. Izkopavanja. Earthworks. Excavations.
Gradnja temeljev. Dela pod Foundation construction.
zemljo Underground works
SIST-TS CEN ISO/TS 22476-11:2008 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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TECHNICAL SPECIFICATION
CEN ISO/TS 22476-11
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
May 2005
ICS 93.020
English version
Geotechnical investigation and testing - Field testing - Part 11:
Flat dilatometer test (ISO 22476-11:2005)
Reconnaissance et essais géotechniques - Essais en place Geotechnische Erkundung und Untersuchung -
- Partie 11: Essai au dilatomètre plat (ISO 22476-11:2005) Felduntersuchungen - Teil 11: Flachdilatometerversuch
(ISO 22476-11:2005)
This Technical Specification (CEN/TS) was approved by CEN on 23 August 2004 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
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 22476-11:2005: E
worldwide for CEN national Members.

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CEN ISO/TS 22476-11:2005 (E)




Foreword




This document (CEN ISO/TS 22476-11:2005) 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 CEN 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.

2

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TECHNICAL ISO/TS
SPECIFICATION 22476-11
First edition
2005-05-15

Geotechnical investigation and testing —
Field testing —
Part 11:
Flat dilatometer test
Reconnaissance et essais géotechniques — Essais en place —
Partie 11: Essai au dilatomètre plat




Reference number
ISO/TS 22476-11:2005(E)
©
ISO 2005

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ISO/TS 22476-11:2005(E)
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ii © ISO 2005 – All rights reserved

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ISO/TS 22476-11:2005(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
In other circumstances, particularly when there is an urgent market requirement for such documents, a
technical committee may decide to publish other types of normative document:
 an ISO Publicly Available Specification (ISO/PAS) represents an agreement between technical experts in
an ISO working group and is accepted for publication if it is approved by more than 50 % of the members
of the parent committee casting a vote;
 an ISO Technical Specification (ISO/TS) represents an agreement between the members of a technical
committee and is accepted for publication if it is approved by 2/3 of the members of the committee casting
a vote.
An ISO/PAS or ISO/TS is reviewed after three years in order to decide whether it will be confirmed for a
further three years, revised to become an International Standard, or withdrawn. If the ISO/PAS or ISO/TS is
confirmed, it is reviewed again after a further three years, at which time it must either be transformed into an
International Standard or be withdrawn.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO/TS 22476-11 was prepared by Technical Committee ISO/TC 182, Geotechnics, Subcommittee SC 1,
Geotechnical investigation and testing.
ISO/TS 22476 consists of the following parts, under the general title Geotechnical investigation and testing —
Field testing:
 Part 1: Electrical cone and piezocone penetration tests
 Part 2: Dynamic probing
 Part 3: Standard penetration test
 Part 4: Ménard pressuremeter test
 Part 5: Flexible dilatometer test
 Part 6: Self-boring pressuremeter test
 Part 7: Borehole jack test
 Part 8: Full displacement pressuremeter test
 Part 9: Field vane test
 Part 10: Weight sounding test
 Part 11: Flat dilatometer test
 Part 12: Mechanical cone penetration test
 Part 13: Plate loading test
© ISO 2005 – All rights reserved iii

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ISO/TS 22476-11:2005(E)
Contents Page
Foreword .v
Introduction.vi
1 Scope.1
2 Normative references.1
3 Terms and definitions .1
4 Equipment .3
4.1 Dilatometer equipment .3
4.2 Insertion apparatus .5
5 Test procedure.5
5.1 Calibration and checks .5
5.2 Membrane calibration procedure.6
5.3 Performing the test.6
6 Test results .7
7 Report .7
7.1 Field report.7
7.2 Test report.7
Bibliography.9

iv © ISO 2005 – All rights reserved

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ISO/TS 22476-11:2005(E)
Foreword
This document CEN ISO/TS 22476-11:2004 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, Czech Republic, Denmark,
Finland, France, Germany, Greece, Hungary Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway,
Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom.
EN ISO 22476 Geotechnical investigation and testing - Field testing has the following parts:
 Part 1: Electrical cone and piezocone penetration tests
 Part 2: Dynamic probing
 Part 3: Standard penetration test
 Part 4: Ménard pressuremeter test
 Part 5: Flexible dilatometer test
1)
 Part 6: Self-boring pressuremeter test (TS)
 Part 7: Borehole jack test
1)
 Part 8: Full displacement pressuremeter test (TS)
 Part 9: Field vane test
1
)
 Part 10: Weight sounding test (TS)
1)
 Part 11: Flat dilatometer test (TS)
 Part 12: Mechanical cone penetration test
 Part 13: Plate loading test.


1)
TS Technical Specification.
© ISO 2005 – All rights reserved v

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ISO/TS 22476-11:2005(E)
Introduction
The flat dilatometer test covers the determination of the in situ strength and deformation properties of fine
grained soils using a blade shaped probe having a thin circular steel membrane mounted flush on one face.
Results of flat dilatometer tests are mostly to obtain information on soil stratigraphy, in situ state of stress,
deformation properties and shear strength.
The basis of the test consists of inserting vertically into the soil a blade–shaped steel probe with a thin
expandable circular steel membrane mounted flush on one face and determining, at selected depths or in a
semi-continuous manner, the contact pressure exerted by the soil against the membrane when the membrane
is flush with the blade and subsequently the pressure exerted when the central displacement of the membane
reaches 1,10 mm.
The flat dilatometer test is most appropriate in clays, silts and sands where particles are small compared to
the size of the membrane.

vi © ISO 2005 – All rights reserved

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ISO/TS 22476-11:2005(E)
1 Scope
This Technical Specification comprises requirements for ground investigations by means of the flat dilatometer
test (DMT) as part of the geotechnical investigation services according to prEN 1997-1 and prEN 1997-2.
2 Normative references
Not applicable.
3 Terms and definitions
For the purposes of this Technical Specification, the following terms and definitions apply
3.1
dilatometer blade (dilatometer probe)
blade –shaped steel probe that is inserted into the soil to run a flat dilatometer test
3.2
membrane
circular steel membrane that is mounted flush on one face o
...