Extended application of results from fire resistance tests - Non- loadbearing walls - Part 2: Masonry and Gypsum Blocks

This part provides guidance, and where appropriate defines procedures, for variations of certain parameters and factors with the design of internal and external non-loadbearing walls and made of clay units, calcium silicate units, aggregate concrete units, autoclaved aerated concrete units and gypsum blocks with different types of mortar that have been tested in accordance with EN 1364-1.

Erweiterter Anwendungsbereich der Ergebnisse von Feuerwiderstandsprüfungen - Nichttragende Wände - Teil 2: Mauersteine und Gips-Wandbauplatten

Application étendue des résultats obtenus lors d'essais de résistance au feu - Murs non porteurs - Partie 2 : Maçonnerie et carreaux de plâtre

Razširjena uporaba rezultatov preskusov požarne odpornosti – Nenosilne stene – 2. del: Zidovje in bloki iz mavca

General Information

Status
Not Published
Technical Committee
Current Stage
98 - Abandoned project (Adopted Project)
Start Date
11-Oct-2013
Due Date
16-Oct-2013
Completion Date
11-Oct-2013

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SLOVENSKI oSIST prEN 15254-2:2005

PREDSTANDARD
december 2005
Razširjena uporaba rezultatov preskusov požarne odpornosti – Nenosilne
stene – 2. del: Zidovje in bloki iz mavca
Extended application of results from fire resistance tests - Non-loadbearing walls -
Part 2: Masonry and gypsum blocks
ICS 13.220.50 Referenčna številka
oSIST prEN 15254-2:2005(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EUROPEAN STANDARD
DRAFT
prEN 15254-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2005
ICS

English Version
Extended application of results from fire resistance tests - Non-
loadbearing walls - Part 2: Masonry and Gypsum Blocks
Application étendue des résultats obtenus lors d'essais de Erweiterter Anwendungsbereich der Ergebnisse von
résistance au feu - Murs non porteurs - Partie 2 : Feuerwiderstandsprüfungen - Nichttragende Wände - Teil
Maçonnerie et carreaux de plâtre 2: Mauersteine und Gips-Wandbauplatten
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 127.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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 Management Centre has the same
status as the official versions.
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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
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. prEN 15254-2:2005: E
worldwide for CEN national Members.

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prEN 15254-2:2005 (E)
Contents Page
Foreword.3
1 Scope .4
2 Normative references .4
3 Definitions .4
4 General principles.5
4.1 General.5
4.2 Classifications.5
4.3 Test procedure.5
5 Establishing the field of extended application .6
5.1 Units according to EN 771-1, 771-2, 771-3 and 771-4.6
5.1.1 Definitions for units.6
5.1.2 Definitions for masonry mortars.6
5.1.3 Influence of plaster, rendering or external covering.7
5.1.4 Geometrical parameters.7
5.1.5 Connection systems.7
5.2 Gypsum blocks according to EN 12859 .8
5.2.1 Definitions for blocks .8
5.2.2 Definitions for adhesives .8
5.2.3 Influence of plaster, rendering or external covering.8
5.2.4 Geometrical parameters.8
5.2.5 Connection systems.8

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prEN 15254-2:2005 (E)
Foreword

This document (prEN 15254-2:2005) has been prepared by Technical Committee CEN/TC 127 "Fire safety in
buildings", the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
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prEN 15254-2:2005 (E)
1 Scope
(1) This part provides guidance, and where appropriate defines procedures, for variations of certain
parameters and factors with the design of internal and external non-loadbearing walls and made of clay units,
calcium silicate units, aggregate concrete units, autoclaved aerated concrete units and gypsum blocks with
different types of mortar that have been tested in accordance with EN 1364-1.
(2) Manufactured stone masonry units according to EN 771-5 are not covered.
2 Normative references
Additionally to the already listed references, the following apply:
EN 1991-1-2, Basis of design and actions on structures — Actions on structures exposed to fire
EN 1996-1-1, Design of masonry structures — General rules
EN 1996-1-2, Design of masonry structures — General rules — Structural fire design
EN 771-1, Specification for masonry units — Clay masonry units
EN 771-2, Specification for masonry units — Calcium silicate masonry
EN 771-3, Specification for masonry units — Aggregate concrete masonry units (Dense and light-weight
aggregates)
EN 771-4, Specification for masonry units — Autoclaved aerated concrete masonry units (AAC)
EN 771-5, Specification for masonry units — Manufactured stone units
EN 998-1, Specification for mortar for masonry — Rendering and plastering mortar
EN 998-2, Specification for mortar for masonry — Masonry mortar
EN 12859, Gypsum blocks — definitions, requirements and test methods
EN 12860, Gypsum based adhesive for gypsum blocks — definitions, requirements and test methods
prEN XXX, Design and installation of gypsum blocks
3 Definitions
(1) For the purpose of this part the definitions given in EN 15254-1 and EN 1996-1-2, together with the
following, apply:
3.1
(2) unit grouping
is defined in EN 1996-1-1
3.2
(3) unfilled perpend joints
are vertical plain joints or joints with tongue and groove, not filled with mortar or adhesive
4

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prEN 15254-2:2005 (E)
4 General principles
4.1 General
(1) The fire behaviour of masonry mainly depends on:
 the masonry unit material - clay, calcium silicate, autoclaved aerated concrete, dense/lightweight
aggregate concrete or gypsum;
 the type of unit - solid or hollow (type of holes, percentage and direction of holes), shell and web
thickness;
 the dimensions of units, especially the height;
 the gross density of units;
 the strength of units;
 the type of mortar - general purpose, thin layer or lightweight mortar;
 the type of perpend joint – filled or unfilled perpend joint, especially for unplastered walls;
 the use of finishes;
 the geometrical slenderness of the wall.as defined in EN 1996-1-1;
 the length of the wall between vertical stiffeners.
(2) For the determination of values by consideration of test results, the interpretation of any existing fire test
results has to be based on the requirements for the relevant test method from EN 1363-1, EN 1363-2 and
EN 1364-1. For the evaluation of historic test data, differences between the test methods, in particular, fixed
ends, free ends or one fixed end and one partly free end with respect to both directions (horizontal and
vertical) have to be considered.
(3) Extrapolations are only possible within the same type of material – e.g. tests on clay unit masonry with
units according to EN 771-1 can only be used for extrapolations for clay unit masonry.
(4) To establish the extended application, the rules given in chapter 5 shall be followed for each of the given
parameters.
4.2 Classifications
(
...

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