EN 772-16:2011

SLOVENSKI STANDARD
01-julij-2011
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SIST EN 772-16:2002
SIST EN 772-16:2002/A1:2004
SIST EN 772-16:2002/A2:2005
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Methods of test for masonry units - Part 16: Determination of dimensions
Prüfverfahren für Mauersteine - Teil 16: Bestimmung der Maße
Méthodes d'essai des éléments de maçonnerie - Partie 16: Détermination des
dimensions
Ta slovenski standard je istoveten z: EN 772-16:2011
ICS:
91.100.15 Mineralni materiali in izdelki Mineral materials and
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 772-16
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2011
ICS 91.100.25 Supersedes EN 772-16:2000
English Version
Methods of test for masonry units - Part 16: Determination of
dimensions
Méthodes d'essai des éléments de maçonnerie - Partie 16: Prüfverfahren für Mauersteine - Teil 16: Bestimmung der
Détermination des dimensions Maße
This European Standard was approved by CEN on 25 December 2010.

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-CENELEC 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-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 772-16:2011: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Principle .4
4 Symbols .4
5 Apparatus .4
6 Preparation of specimens .5
6.1 Sampling .5
6.2 Surface treatment .5
7 Procedure .5
7.1 Length, width and height .5
7.2 Thickness of shells and webs .9
7.3 Depth of holes .9
7.4 Plane parallelism of the bed faces .9
7.5 Combined thickness of webs and shells .9
8 Calculation and expression of results . 10
9 Test report . 10
Annex A (informative) Examples of paths chosen for the measurement of combined thickness . 12
Annex B (informative) Significant technical changes between this European standard and the
previous edition . 15

Foreword
This document (EN 772-16:2011) has been prepared by Technical Committee CEN/TC 125 “Masonry”, the
secretariat of which is held by BSI.
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 November 2011, and conflicting national standards shall be withdrawn
at the latest by November 2011.
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 772-16:2000.
Annex B provides details of significant technical changes between this European Standard and the previous
edition.
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, Croatia, 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.

1 Scope
This European Standard specifies a method of determining the overall dimensions, thickness and combined
thickness of shells and webs, depth of voids and plane parallelism of the bed faces of masonry units.
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 771-1, Specification for masonry units — Part 1: Clay masonry units
EN 771-2, Specification for masonry units — Part 2: Calcium silicate masonry units
EN 771-3, Specification for masonry units — Part 3: Aggregate concrete masonry units (Dense and light-
weight aggregates)
EN 771-4, Specification for masonry units — Part 4: Autoclaved aerated concrete masonry units
EN 771-5, Specification for masonry units — Part 5: Manufactured stone masonry units
EN 771-6, Specification for masonry units — Part 6: Natural stone masonry units
3 Principle
After preparation, the length, width and height of the specimens, the thickness of shells and webs, depth of
holes and plane parallelism of bed faces are measured with an appropriate device.
4 Symbols
l is the length of the masonry unit defined by its intended orientation in use, (mm);
u
w is the width of the masonry unit defined by its intended orientation in use, (mm);
u
h is the height of the masonry unit defined by its intended orientation in use, (mm).
u
5 Apparatus
An appropriate measuring device or devices conforming to the requirements for measuring precision given
in Table 1.
Table 1 — Measurement precision
Tolerance on the dimension being measured Maximum measuring error
mm mm
< 1 0,1
1 0,2
> 1 0,5
If the tolerance class of the dimension being measured is not known then the maximum measuring error of the
measuring device shall be not more than 0,1 mm.
The device used for measuring the thickness of webs and shells shall have a jaw of at least 10 mm in length.
6 Preparation of specimens
6.1 Sampling
The method of sampling shall be in accordance with the relevant part of EN 771. The minimum number of
specimens shall be six except in the determination of combined thickness and plane parallelism, where it is
three, but a larger minimum number may be specified in the product specification, in which case that larger
number shall be used.
6.2 Surface treatment
Remove any superfluous material adhering to the unit as a result of the manufacturing process before
measuring. Before measurement of the thickness of webs and shells the bed face of the unit should be ground
to remove any such material.
7 Procedure
7.1 Length, width and height
For clay, aggregate concrete, autoclaved aerated concrete, manufactured stone and natural stone masonry
units determine the length (l ), the width (w ) and the height (h ) using
...