oSIST ISO/DIS 14824-1:2012

SLOVENSKI STANDARD
01-junij-2012
Injekcijska masa za prednapete kable - 1. del: Osnovne zahteve
Grout for prestressing tendons - Part 1: Basic requirements
Coulis pour câbles de précontrainte - Partie 1: Exigences essentielles
Ta slovenski standard je istoveten z: ISO/DIS 14824-1
ICS:
91.100.30 Beton in betonski izdelki Concrete and concrete
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT INTERNATIONAL STANDARD ISO/DIS 14824-1
ISO/TC 71/SC 3 Secretariat: SN
Voting begins on Voting terminates on

2011-06-29 2011-11-29
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION  •  МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ  •  ORGANISATION INTERNATIONALE DE NORMALISATION

Grout for prestressing tendons —
Part 1:
Basic requirements
Coulis pour câbles de précontrainte —
Partie 1: Exigences essentielles
ICS 91.100.30
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Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est
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©  International Organization for Standardization, 2011

ISO/DIS 14824-1
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ISO/CD 14824-1 (E)
Contents ���
Foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .5
4 Materials .5
4.1 General .5
4.2 Cement .5
4.3 Water .6
4.4 Admixtures .6
4.5 Additions .6
5 Batching and mixing of grout .6
6 Properties of grout.7
6.1 General .7
6.2 Sieve test .8
6.3 Fluidity .8
6.4 Bleeding .8
6.5 Volume change .8
6.6 Strength .8
6.7 Setting time .9
6.8 Density .9
7 Evaluation of conformity .9
7.1 Production control .9
7.2 Initial type testing .9
7.3 Audit testing . 10
Bibliography . 12
�
DRAFT 2011
ISO/CD 14824-1 (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.
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 14824-1 was prepared by Technical Committee ISO/TC 71, Concrete, Reinforced and Prestressed
Concrete, Subcommittee SC 3, Production of Concrete and Execution of Concrete Structures.
DRAFT 2011
ISO/CD 14824-1 (E)
Introduction
In post-tensioned prestressed concrete construction, the grouting of tendons is an important operation. The
intention of this International Standard is to provide basic requirements for the approval of cement grouts,
compliance with which will satisfy the requirements in ISO 22966.
The main function of grouting is to:
 Provide protection to the prestressing steel against corrosion;
 Provide a bond between the prestressing steel and the ducts where required for the design of the
structure;
 Allow transfer of compressive stresses in the structure in a direction transverse to internal tendons;
 Fill all voids where water may accumulate and cause frost damage.
The testing regimes anticipated by this International Standard include three levels:
(1) Initial type and audit testing in accordance with this ISO 14824-1;
(2) Suitability testing for confirmation of the selected grout for a specific project in accordance with ISO
14824-2;
(3) Inspection during grouting works on a specific project in accordance with ISO 14824-2.
The test methods for each of the regimes are given in ISO 14824-3.
NOTE: In some countries requirements exist for Independent Third Party Certification of Grout and Grouting
procedures which should be set out in National Requirements to supplement ISO 22966 Execution of
Concrete Structures.
DRAFT 2011
ISO/CD 14824-1 (E)
Grout for prestressing tendons —

Part 1:
Basic requirements
1 Scope
This International Standard Part 1, covers the materials that may be used in the manufacture of cement grouts
and the required properties and composition of the grout. It is applicable to grouting of tendons in all types of
structures including bridges and buildings.
NOTE: Certain special structures or tendon configurations may require grouts with enhanced performance
which may require amendment of some of the requirements of this standard.
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.
ISO 9597, Methods of testing cement – Determination of setting times and soundness
ISO 22965-1, Concrete – Part 1: Methods for specifying and guidance for the specifier
ISO 22965-2, Concrete – Part 2: Specification of constituent materials, production of concrete and compliance
of concrete
ISO 14824-2, Grout for prestressing tendons – Part 2: Grouting procedures
ISO 14824-3, Grout for prestressing tendons – Part 3: Test methods
ISO 12439, Mixing water for concrete
3 Terms and definitions
For the purposes of this documen
...