oSIST prEN 845-2:2010

SLOVENSKI STANDARD
01-marec-2010
Specifikacija za dodatne komponente zidovja - 2. del: Preklade
Specification for ancillary components for masonry - Part 2: Lintels
Festlegungen für Ergänzungsbauteile für Mauerwerk - Teil 2: Stürze
Spécifications pour composants accessoires de maçonnerie - Partie 2: Linteaux
Ta slovenski standard je istoveten z: prEN 845-2
ICS:
91.060.10 Stene. Predelne stene. Walls. Partitions. Facades
Fasade
91.080.30 Zidane konstrukcije Masonry
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
DRAFT
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2010
ICS 91.080.30 Will supersede EN 845-2:2003
English Version
Specification for ancillary components for masonry - Part 2:
Lintels
Spécifications pour composants accessoires de Festlegungen für Ergänzungsbauteile für Mauerwerk - Teil
maçonnerie - Partie 2: Linteaux 2: Stürze
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 125.

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 CEN 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.

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: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 845-2:2010: E
worldwide for CEN national Members.

Contents Page
Foreword . 3
1 Scope. 4
2 Normative references . 4
3 Terms, definitions and symbols . 6
3.1 Terms and definitions . 6
3.2 Symbols . 8
4 Materials . 12
4.1 Steel lintels . 12
4.2 Concrete lintels . 12
4.3 Masonry lintels . 12
4.4 Combined and composite lintels . 13
5 Requirements . 13
5.1 General . 13
5.2 Dimensions, mass and limit deviations . 14
5.3 Mechanical performance and information to obtain the mechanical performance . 14
5.4 Durability . 16
5.5 Water penetration and installation . 16
5.6 Thermal properties . 16
5.7 Freeze/thaw resistance . 17
5.8 Resistance to fire . 17
5.9 Water absorption . 17
5.10 Water vapour permeability . 18
6 Description and designation . 18
7 Marking . 21
8 Evaluation of conformity . 21
8.1 General . 21
8.2 Initial type tests . 21
8.3 Factory production control . 23
8.4 Sampling for initial type testing and independent testing of consignments . 23
Annex A (informative) Method for assessment of loads on lintels . 25
Annex B (informative) Recommendations for installation of lintels . 26
Annex C (normative) Corrosion protection systems . 28
Annex D (normative) Scheme of factory production control . 32
Annex ZA (informative) Clauses of this European Standard addressing the provisions of the
EU Construction Products Directive . 34
Bibliography . 39

Foreword
This document (prEN 845-2:2010) has been prepared by Technical Committee CEN/TC 125
“Masonry”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 845-2:2003.
This European Standard has been prepared under a mandate given to CEN by the European
Commission and the European Free Trade Association and supports the essential requirements of the
EU Construction Products Directive (89/106/EEC).
For relationship with EU Directives, see informative Annex ZA which is an integral part of this standard.
In this European Standard the Annexes A and B are informative and the Annexes C and D are normative.
This Part has been modified, including the introduction of additional requirements, taking into account
the detailed answer by CEN/TC 125 to EC mandate M116 for masonry as well as details of the
relationship of this new harmonized European Standard with the EU Directives.
EN 845 “Specification for ancillary components for masonry” consists of the following Parts:
— Part 1: Wall ties, tension straps, hangers and brackets.
— Part 2: Lintels.
— Part 3: Bed joint reinforcement of steel meshwork.

1 Scope
This European Standard specifies requirements for prefabricated lintels for spans over clear openings
in a masonry wall up to a maximum of 4,5 m and made from steel, autoclaved aerated concrete,
manufactured stone, concrete, fired clay units, calcium silicate units, natural stone units, or using a
combination of these materials. Concrete and steel beams conforming to EN 1090-1, EN 12602 and
EN 13225, as appropriate, are not covered by this Standard.
Prefabricated lintels can be either complete lintels or the prefabricated part of a composite lintel.
This European Standard is not applicable to:
a) Lintels completely made on site;
b) Lintels of which, the tensile parts are made on site;
c) Timber lintels;
d) Natural stone lintels, not reinforced.
Linear components spanning clear openings greater than 4,5 m in masonry walls and linear
components intended for use independently in a structural role (e.g. beams) are not covered by this
standard.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
EN 206-1, Concrete — Part 1: Specification, performance, production and conformity.
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.
EN 772-1, Methods of test for masonry units — Part 1: Determination of compressive strength.
EN 772-11, Methods of test for masonry units — Part 11: Determination of water absorption of
aggregate concrete, manufactured stone and natural stone masonry units due to capillary action and
the initial rate of water absorption of clay masonry units.
EN 772-22, Methods of test for masonry units — Part 22: Determination of freeze/thaw resistance of
clay masonry units.
EN 846-9, Methods of test for ancillary components for masonry — Part 9: Determination of flexural
resistance, and shear resistance of lintels.
EN 846-11, Methods of test for ancillary components for masonry — Part 11: Determination of
dimensions and bow of lintels.
EN 846-13, Methods of test for ancillary components for masonry — Part 13: Determination of
resistance to impact, abrasion and corrosion of organic coatings.
EN 990, Test methods for verification of corrosion protection of reinforcement in autoclaved aerated
concrete and lightweight aggregate concrete with open structure.
EN 998-2, Specification for mortar for masonry — Part 2: Masonry mortar.
EN 1090-1, Steel and aluminium structural components — General delivery conditions.
EN 1745, Masonry and masonry products — Methods for determining design thermal values.
EN 10025-1, + new titles to add.
EN 10025-2, + new titles to add.
EN 10080, Steel for the reinforcement of concrete — Weldable reinforcing steel — General.
EN 10088-1, Stainless steels — Part 1: List of stainless steels.
EN 10088-2, Stainless steels — Part 2: Technical delivery conditions for sheet/plate and strip of
corrosion resisting steels for general purposes.
EN 10088-3, Stainless steels — Part 3: Technical delivery conditions for semi-finished products, bars,
rods, wire, sections and bright products of corrosion resisting steels for general purposes.
EN 10111, Continuously hot rolled low carbon steel sheet and strip for cold forming — Technical
delivery conditions.
EN 10130, Cold rolled low carbon steel flat products for cold forming — Technical delivery conditions.
prEN 10138 Parts 1, 2 and 3, Prestressing steels + titles to add.
EN 10143, Continuously hot-dip coated steel sheet and strip — Tolerances on dimensions and shape.
EN 10326, Continuously hot dip coated strip and sheet of structural steels — Technical delivery
conditions.
EN 10327, Continuously hot-dip coated strip and sheet of low carbon steelfor cold forming —
Technical delivery conditions.
EN 12602, Prefabricated reinforced components of autoclaved aerated concrete.
EN 12620, Aggregates for concrete.
EN 13225, Precast concrete products — Linear structural elements.
EN 13501-2, Fire classification of construction products and building elements — Part 2: Classification
using data from fire resistance tests excluding ventilation services.
EN ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles — Specifications and
test methods (ISO 1461:1999).
EN ISO 1463, Metallic and oxide coatings. Measurement of coating thickness — Microscopical
method (ISO 1463:2003).
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this European Standard the following terms and definitions apply.
NOTE 1 Examples of lintel types are shown in Figures 1 to 3. The figures are only for illustration of lintel types.
Other details such as bearings, thermal insulation systems and damp proof co
...