BRITISH STANDARD
Testing hardened concrete Part 8: Depth of penetration of water under pressure
ICS 91.100.30,
NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
BS EN 12390-8:2009
BS EN 12390-8:2009
National foreword This British Standard is the UK implementation of EN 12390-8:2009. It supersedes BS EN 12390-8:2000 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/517/1, Concrete production and testing. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.
This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2009 © BSI 2009
ISBN 978 0 580 58800 6
Amendments/corrigenda issued since publication Date
Comments
BS EN 12390-8:2009
EUROPEAN STANDARD
EN 12390-8
NORME EUROPÉENNE EUROPÄISCHE NORM
February 2009
ICS 91.100.30
Supersedes EN 12390-8:2000
English Version
Testing hardened concrete - Part 8: Depth of penetration of water under pressure Essai pour béton durci - Partie 8: Profondeur de pénétration d'eau sous pression
Prüfung von Festbeton - Teil 8: Wassereindringtiefe unter Druck
This European Standard was approved by CEN on 27 December 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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© 2009 CEN
All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
Ref. No. EN 12390-8:2009: E
BS EN 12390-8:2009 EN 12390-8:2009 (E)
Contents
Page
Foreword ...............................................................................3 1
Scope ...........................................................................4
2
Normative references ..............................................................4
3
Principle .........................................................................4
4
Apparatus ........................................................................4
5
Specimen ........................................................................6
6
Procedure ........................................................................6
7
Test result ........................................................................6
8
Test report .......................................................................6
9
Precision .........................................................................7
2
BS EN 12390-8:2009 EN 12390-8:2009 (E)
Foreword This document (EN 12390-8:2009) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2009, and conflicting national standards shall be withdrawn at the latest by August 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12390-8:2000. The standard has been restricted to tests on specimens cured in water. This standard is one of a series concerned with testing concrete. The series EN 12390 includes the following parts: EN 12390 Testing hardened concrete – Part 1:
Shape, dimensions and other requirements for specimens and moulds;
Part 2:
Making and curing specimens for strength tests;
Part 3:
Compressive strength of test specimens;
Part 4:
Compressive strength - Specification for testing machines;
Part 5:
Flexural strength of test specimens;
Part 6:
Tensile splitting strength of test specimens;
Part 7:
Density of hardened concrete;
Part 8:
Depth of penetration of water under pressure.
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The following amendments have been made to the 2000-10 edition of this standard: 
editorial revision
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
3
BS EN 12390-8:2009 EN 12390-8:2009 (E)
1
Scope
This European Standard specifies a method for determining the depth of penetration of water under pressure in hardened concrete which has been water cured.
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. EN 12390-2, Testing hardened concrete – Part 2: Making and curing specimens for strength tests
3
Principle
Water is applied under pressure to the surface of hardened concrete. The specimen is then split and the depth of penetration of the waterfront is measured.
4 4.1
Apparatus Testing equipment
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The test specimen, of given dimensions, shall be placed in any suitable equipment in such a manner that the water pressure can act on the test area and the pressure applied can be continuously indicated. An example of a test arrangement is shown in Figure 1. NOTE 1
It is preferable that the apparatus should allow the other surfaces of the test specimen to be observed.
NOTE 2
The water pressure may be applied to the surface of the test specimen either from the bottom, or the top.
A watertight seal shall be provided, made of rubber or other similar material. The dimensions of a test area shall be approximately half of the length of the edge or diameter of the test surface.
4
BS EN 12390-8:2009 EN 12390-8:2009 (E)
Dimensions in milimetres
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Key 1 2 3 4 5 6
Packing piece Sealing ring Screwed on plate Screw-threaded rod Water under pressure Screwed on plate Figure 1 — Example of test arrangement
5
BS EN 12390-8:2009 EN 12390-8:2009 (E)
5
Specimen
The specimen shall be cubic, cylindrical or prismatic with the minimum dimension of the surface of the specimen to be tested not less than 150 mm and no other dimension less than 100 mm.
6
Procedure
6.1
Preparation of the test specimen
Immediately after the specimen is de-moulded, roughen the surface to be exposed to water pressure, with a wire brush and cure the specimen under water in accordance with the procedures given in EN 12390-2.
6.2
Application of water pressure
The test shall be started when the specimen is at least 28 days old. Do not apply the water pressure to a trowelled surface of a specimen. Place the specimen in the apparatus and apply a water pressure of (500 ± 50) kPa for (72 ± 2) h. During the test, periodically observe the appearance of the surfaces of the test specimen not exposed to the water pressure to note the presence of water. If leakage is observed then consider the validity of the result and record the fact. NOTE
6.3
The use of tap water is satisfactory.
Examination of specimen
After the pressure has been applied for the specified time, remove the specimen from the apparatus. Wipe the face on which the water pressure was applied to remove excess water. Split the specimen in half, perpendicularly to the face on which the water pressure was applied. When splitting the specimen, and during the examination, place the face of the specimen exposed to the water pressure on the bottom. As soon as the split face has dried to such an extent that the water penetration front can be clearly seen, mark the water front on the specimen. Measure the maximum depth of penetration under the test area and record it to the nearest mm.
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7
Test result
The maximum depth of penetration, expressed in mm, is the test result.
8
Test report
The report shall include: a)
identification of the test specimen;
b)
date of start of the test;
c)
description of the specimen (shape and dimensions);
d)
direction of application of water pressure with respect to the casting direction;
e)
maximum depth of penetration, in mm;
f)
any leakage and consideration of the validity of the result; (if appropriate)
g)
any deviation from the standard test method;
6
BS EN 12390-8:2009 EN 12390-8:2009 (E)
h)
a declaration by the person technically responsible for the test that it was carried out in accordance with this document, except as noted in item g).
9
Precision
There is no precision data available.
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7
BS EN 12390-8:2009
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