EN ISO 10545-5:1997

SLOVENSKI STANDARD
01-april-1998
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Ceramic tiles - Part 5: Determination of impact resistance by measurement of coefficient
of restitution (ISO 10545-5:1996, including Technical Corrigendum 1:1996)
Keramische Fliesen und Platten - Teil 5: Bestimmung der Schlagfestigkeit durch
Messung des Rückprallkoeffizienten (ISO 10545-5:1996, einschließlich Technische
Korrektur 1:1996)
Carreaux et dalles céramiques - Partie 5: Détermination de la résistance au choc par
mesurage du coefficient de restitution (ISO 10545-5:1996, Rectificatif Technique 1:1996
inclus)
Ta slovenski standard je istoveten z: EN ISO 10545-5:1997
ICS:
91.100.23 .HUDPLþQHSORãþLFH Ceramic tiles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

INTERNATIONAL ISO
STANDARD
10545-5
First edition
1996-04-0 1
Ceramic tiles -
Part 5:
Determination of impact resistance by
measurement of coefficient of restitution
Carreaux et dalles ckramiques -
Partie 5: Determination de Ia Gsistance au choc par mesurage du
coefficien t de restitution
Reference number
ISO 10545-5:1996(E)
ISO 10545-5:1996(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. Esch 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
(1 EC) on all matters of electrotechnical standardization.
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.
International Standard ISO 10545-5 was prepared by Technical Committee
ISO/TC 189, Ceramic tile.
ISO 10545 consists of the following Parts, under the general title Ceramic
tiles:
- Part 1: Sampling and basis for acceptance
- Part 2: Determination of dimensions and surface quality
- Part 3: Determination of water absorption, apparen t porosity, appar-
en t relative density and bulk density
- Part 4: Determination of modulus of rupture and breaking strength
- Part 5: Determination of impact resistance by measurement of co-
efficient of restitution
- Part 6: Determination of resistance to deep abrasion for unglazed
tiles
for glazed
- Part 7: Determination o f resistance to surface abrasion
tiles
- Part 8: Determination of linear thermal expansion
0 ISO 1996
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronie or mechanical, including photocopyrng and
microfilm, without Permission in writing from the publisher.
International Organization for Standardization
Case Postale 56 l CH-l 211 Geneve 20 l Switzerland
Printed in Switzerland
ii
0 ISO ISO 10545-5:1996(E)
- Part 9: Determination of resistance to thermal shock
- Part *I 0: Determination of moisture expansion
- Part ? 1: Determination of crazing resistance for glazed tiles
- Part 12: Determination of frost resistance
- Part 13: Determination of Chemical resistance
- Part 14: Determination of resistance to stains
- Part 15: Determination of lead and Cadmium given off by glazed tiles
- Part 16: Determination of small colour differentes
- Part 17: Determination of coefficient of friction
Annex A of this part of ISO 10545 is for information only.

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ISO 10545-5: 1996(E)
INTERNATIONAL STANDARD 0 ISO
Ceramic tiles -
Part 5:
Determination of impact resistance by measurement of
coefficient of restitution
4.2 Ball-release apparatus, (see figure l), consist-
1 Scope
ing of a heavy steel base set on levelling screws with
a vertical steel bar to which is attached an
This part of ISO 10545 specifies a test method for
electromagnet, a guide tube and a test unit support.
determining the impact resistance of ceramic tiles by
measuring the coefficient of restitution.
The test unit is clamped firmly in a Position so that
when the steel ball drops it impinges on the centre
of the horizontal tile surface. A clamping device is
2 Definition
shown in figure 1, but any suitable System may be
used.
For the purpose of this part of ISO 10545, the fol-
lowing definition applies.
4.3 Electronie timing device (optional), which, by
means of a microphone, measures the time interval
2.1 coefficient of restitution between two im-
between the first and second impacts when the ball
pacting bodies, e: Relative velocity of departure div-
is dropped onto the test specimen.
ided by the relative velocity of approach.
5 Test specimens
3 Principle
5.1 Number of test specimens
Determination of the coefficient of restitution by
A minimum of five pieces in dimensions
dropping a steel ball from a fixed height onto the test
75 mm x 75 mm tut from five tiles. Tiles with facial
specimen and measuring the height of rebound.
dimensions less than 75 mm may be used.
5.2 Brief description of test units
4 Apparatus
The test units consist of test specimens fixed to ma-
ture concrete blocks by means of rigid epoxide resin
4.1 Chrome steel ball, of diameter
(19 & 0,05) mm. adhesive.
EO 1054505:1996(E)
Electromag net
Steet ball
Guide tube
Timing equipment
Detector
Levetting screw
X
Tite -,
Epoxide resin adhesive -
/t ““““““““““““““““““““““““““““““““””” ““““““““““““““““” 1
Concrete block ““““““““““““““““““““““““““““““““”””””””””””””””““““”
Figure 1 - Ball-release apparatus
other aggregates may be used and then the surface
5.3 Concrete blocks
water absorption test may not be appropriate.
Concrete blocks or slabs may be made by adding one
7-l
I ne dense concrete blocks shall be of approximate
part by mass of Portland cement to 4.5 to 5.5 Parts
dimensions 75 mm x 75 mm x 50 mm and prepared by mass of aggregate. The aggregate shall be gravel
in moulds of this size, or alternatively tut from large sand of 0 to 8 mm particle size with a continuous
concrete slabs. grading curve between the Iimits A and B in figure 2.
The total fines of particle size below 0,125 mm in the
The following method describes the preparation of
mix of concrete, including Portland cement, should be
dense concrete blocks made from gravellsand, but
about 500 kg per cubic metre.
ISO 10545=5:1996(E)
90-
80-
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