SIST EN 845-2:2013+A1:2016
(Main)Specification for ancillary components for masonry - Part 2: Lintels
Specification for ancillary components for masonry - Part 2: Lintels
This European Standard specifies requirements for prefabricated lintels for maximum spans of 4,5 m and made from steel, autoclaved aerated concrete, manufactured stone, concrete, fired clay units, calcium silicate units, natural stone units, or 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.
Festlegungen für Ergänzungsbauteile für Mauerwerk - Teil 2: Stürze
Spécifications pour composants accessoires de maçonnerie - Partie 2: Linteaux
La présente Norme européenne spécifie les exigences concernant les linteaux préfabriqués d'une portée maximale de 4,5 m au-dessus de l'ouverture libre et réalisés en acier, béton cellulaire autoclavé, pierre reconstituée, béton, éléments en terre cuite, éléments en silico-calcaire, éléments en pierre naturelle ou avec une combinaison de ces matériaux. Les poutres en béton et en acier selon l'EN 1090-1, l'EN 12602 et l'EN 13225, suivant le cas, ne sont pas couvertes par la présente norme.
Les linteaux préfabriqués peuvent être des linteaux complets ou constituer la partie préfabriquée d'un linteau composite.
Les produits suivants ne sont pas couverts par la présente Norme européenne :
a) linteaux entièrement réalisés sur le chantier ;
b) linteaux dont les parties tendues sont réalisées sur le chantier ;
c) linteaux en bois ;
d) linteaux en pierre naturelle, sans armature.
La présente Norme ne traite pas des composants linéaires posés au-dessus d'ouvertures supérieures à 4,5 m dans des murs en maçonnerie et des composants linéaires destinés à être utilisés indépendamment, dans des rôles structurels (par exemple, les poutres).
Specifikacija za dodatne komponente zidovja - 2. del: Preklade
Ta evropski standard določa zahteve za predizdelane preklade za razpetine do največ 4,5 m, ki so izdelane iz jekla, avtoklaviranega celičnega betona, umetnega kamna, betona, žgane gline, kalcijevega silikata, naravnega kamna ali kombinacije teh materialov. Ta standard ne zajema betonskih in jeklenih nosilcev, ki so v skladu s standardi EN 1090-1, EN 12602 in EN 13225, kot je primerno.
Predizdelane preklade so lahko celotne preklade ali predizdelani del kompozitne preklade.
Ta evropski standard se ne uporablja za:
a) preklade, sestavljene na mestu uporabe;
b) preklade, katerih natezni deli so sestavljeni na mestu uporabe;
c) lesene preklade;
d) preklade iz naravnega kamna, neojačane.
Ta standard ne zajema linearnih komponent v zidovih s svetlo širino, ki je večja od 4,5 m, in linearnih komponent, namenjenih za neodvisno uporabo v konstrukciji (npr. nosilcih).
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 845-2:2013+A1:2016
01-november-2016
1DGRPHãþD
SIST EN 845-2:2013
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: EN 845-2:2013+A1:2016
ICS:
91.060.10 Stene. Predelne stene. Walls. Partitions. Facades
Fasade
91.080.30 Zidane konstrukcije Masonry
SIST EN 845-2:2013+A1:2016 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 845-2:2013+A1:2016
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2016
EUROPÄISCHE NORM
ICS 91.080.30 Supersedes EN 845-2:2013
English Version
Specification for ancillary components for masonry - Part
2: Lintels
Spécifications pour composants accessoires de Festlegungen für Ergänzungsbauteile für Mauerwerk -
maçonnerie - Partie 2: Linteaux Teil 2: Stürze
This European Standard was approved by CEN on 21 March 2013 and includes Amendment 1 approved by CEN on 9 April 2016.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 845-2:2013+A1:2016 E
worldwide for CEN national Members.
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and symbols . 6
3.1 Terms and definitions . 6
3.2 Symbols . 8
4 Materials . 11
4.1 Steel lintels . 11
4.2 Concrete lintels . 11
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 . 13
5.2.1 Dimensions . 13
5.2.2 Mass per unit area . 14
5.2.3 Built-in length . 14
5.2.4 Deviation from declared values . 14
5.3 Mechanical performance and information to obtain the mechanical
performance . 14
5.3.1 Single lintels, combined lintels and composite lintels . 14
5.3.2 Prefabricated part of composite lintels . 15
5.4 Durability . 16
5.4.1 General . 16
5.4.2 Steel lintels . 16
5.4.3 Concrete lintels and masonry lintels . 16
5.5 Water penetration and installation . 16
5.6 Thermal properties . 16
5.7 Freeze/thaw resistance . 17
5.7.1 General . 17
5.7.2 Steel lintels . 17
5.7.3 Concrete lintels . 17
5.7.4 Masonry lintels . 17
5.8 Resistance to fire . 17
5.9 Water absorption . 17
5.9.1 General . 17
5.9.2 Steel lintels . 17
5.9.3 Other lintels. 18
5.10 Water vapour permeability . 18
5.11 Dangerous substances . 18
6 Description and designation . 18
7 Marking . 21
2
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EN 845-2:2013+A1:2016 (E)
8 Assessment and verification of constancy of performance - AVCP . 22
8.1 General . 22
8.2 Type testing . 22
8.2.1 General . 22
8.2.2 Test samples, testing and compliance criteria . 23
8.2.3 Test reports . 23
8.2.4 Shared other party results . 23
8.3 Factory production control (FPC) . 24
8.3.1 General . 24
8.3.2 Requirements . 25
8.3.3 Product specific requirements . 28
8.3.4 Procedure for modifications . 28
Annex A (informative) Method for assessment of loads on lintels . 29
Annex B (informative) Recommendations for installation of lintels . 30
B.1 Bearings . 30
B.2 Installation . 30
B.3 Composite lintels . 30
Annex C (normative) Corrosion protection systems . 31
C.1 Steel lintels . 31
C.2 Concrete and masonry lintels (except those manufactured using autoclaved
aerated concrete) . 33
C.3 Lintels manufactured using autoclaved aerated concrete . 34
Annex D (informative) Guidance on FPC frequencies . 35
!Annex ZA" (informative) Clauses of this European Standard addressing the
provisions of the EU Construction Products Regulation . 37
ZA.1 Scope and relevant characteristics . 37
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 40
ZA.3 Assignment of AVCP tasks . 40
Bibliography . 42
3
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
European foreword
This document (EN 845-2:2013+A1:2016) 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 January 2017, and conflicting national
standards shall be withdrawn at the latest by April 2018.
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 includes Amendment 1 approved by CEN on 2016-04-09.
This document supersedes !EN 845-2:2013".
The start and finish of text introduced or altered by amendment is indicated in the text by tags
!".
This document has been prepared under a mandate given to CEN by the European Commission
and the European Free Trade Association, and supports essential requirements of
EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this
document.
!deleted text"
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
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, Former Yugoslav Republic
of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland, Turkey and the United Kingdom.
4
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
1 Scope
This European Standard specifies requirements for prefabricated lintels for maximum spans of
4,5 m and made from steel, autoclaved aerated concrete, manufactured stone, concrete, fired
clay units, calcium silicate units, natural stone units, or 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
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
EN 206-1:2000, Concrete — Part 1: Specification, performance, production and conformity
EN 771 (all parts), Specification for 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, autoclaved aerated concrete, manufactured stone and natural stone masonry
units due to capillary action and the initial rate of water absorption 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 846-13:2001, Methods of test for ancillary components for masonry — Part 13: Determination
of resistance to impact, abrasion and corrosion of organic coatings
EN 846-14, Methods of test for ancillary components for masonry — Part 14: Determination of the
initial shear strength between the prefabricated part of a composite lintel and the masonry above
it
5
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
EN 990, Test methods for verification of corrosion protection of reinforcement in autoclaved
aerated concrete and lightweight aggregate concrete with open structure
EN 998-2:2010, Specification for mortar for masonry — Part 2: Masonry mortar
EN 1745, Masonry and masonry products — Methods for determining thermal properties
EN 10080, Steel for the reinforcement of concrete — Weldable reinforcing steel — General
EN 10088 (all parts), Stainless steels
prEN 10138 (all parts), Prestressing steels
EN 10346:2009, Continuously hot-dip coated steel flat products — Technical delivery conditions
EN 12602:2008, Prefabricated reinforced components of autoclaved aerated concrete
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)
EN ISO 1463, Metallic and oxide coatings — Measurement of coating thickness — Microscopical
method (ISO 1463)
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, 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 courses are not
shown.
NOTE 2 General dimensions defined in Clause 3 are illustrated in Figures 3 and 4.
3.1.1
autoclaved aerated concrete lintel
lintel manufactured using reinforced autoclaved aerated concrete
3.1.2
bearing length
length of the end of a lintel which bears on its support
3.1.3
built-in length
minimum length needed to anchor the reinforcing bars
3.1.4
clear opening
clear distance between lintel supports
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EN 845-2:2013+A1:2016 (E)
3.1.5
combined lintel
lintel consisting of two or more structural elements each one acting with compression and
tension zones
3.1.6
composite lintel
lintel comprising a prefabricated part and a complementary element of in-situ masonry or
concrete above, acting together
3.1.7
composite lintel height
overall height of the tension and compression zones of a composite lintel
3.1.8
concrete lintel
lintel manufactured using reinforced or prestressed concrete
3.1.9
declared value
value for a product property, determined in accordance with this standard, that a manufacturer
is confident of achieving, bearing in mind the variability of the manufacturing process
3.1.10
effective span
distance between the centres of the bearing of a lintel, or the clear opening spanned by the lintel
plus the overall height of the lintel including any complementary element, whichever is the
lesser
3.1.11
flexural resistance
mean uniformly distributed load at which failure of a sample of lintel specimens occurs (or a
lower load at which tests are stopped in accordance with the recommendations of the
manufacturer of the lintel)
3.1.12
lintel
lineal element supporting load over an opening in a masonry wall
3.1.13
lintel height
overall height of the prefabricated part of a lintel
3.1.14
lintel length
overall length of the prefabricated lintel
3.1.15
load bearing capacity
mean value for a sample of lintels of the total of the uniformly distributed load at failure or at an
extreme deflection, whichever is the lesser
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EN 845-2:2013+A1:2016 (E)
3.1.16
load ratio
ratio of inner leaf load to outer leaf load on a lintel supporting a double-leaf or cavity wall
3.1.17
masonry lintel
lintel comprising one or more shell casing units completed by the incorporation within the shell
casing of reinforced or prestressed concrete
3.1.18
shear resistance
mean shear load at which failure of a sample of lintel specimens occurs (or a lower load at
which tests are stopped in accordance with the recommendations of the manufacturer of the
lintel)
3.1.19
shell casing unit
preformed component with one or more channels into which is incorporated either reinforced
or prestressed concrete
3.1.20
single lintel
prefabricated lintel acting alone
3.1.21
declared deflection
deflection at one third of the declared load capacity of the lintel
3.1.22
steel lintel
lintel manufactured from steel
3.1.23
structural shell casing unit
shell casing unit which is made of a material with a compressive strength not less than that of
the infill concrete
3.2 Symbols
NOTE General dimensions are illustrated in Figures 3 and 4.
is the smallest width of a structural shell casing unit specimen, in mm (see Figure 5);
bs
b is the bearing length, in mm;
d is the height of the prefabricated part of the composite lintel;
ppcl
d is the composite lintel height, in mm;
c
d is the lintel height, in mm;
l
δ is the declared deflection in a vertical direction, in mm;
dv
δ is the declared deflection in a horizontal direction, in mm;
dh
h is the height of the masonry unit;
u
t is the thickness of the bedjoint;
bj
8
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EN 845-2:2013+A1:2016 (E)
h is the cut length of a structural shell casing unit specimen, in mm (see Figure 5);
s
l is the lintel length, in mm;
l is the clear opening, in mm;
0
l is the effective length, in mm;
e
F is the tensile resistance of the prefabricated part in the ultimate limit state;
tkl
f is the initial shear strength between the prefabricated part of the lintel and the mortar in the
vk0i
bed joint above.
Key
1 supported masonry
2 single lintel
Figure 1 — Example of a single lintel (see 3.1.20)
Key
1 supported masonry
2 complementary element (masonry or concrete)
3 prefabricated part
Figure 2 — Example of a composite lintel (see 3.1.6)
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
Key
1 supported masonry - outer leaf 3 inner leaf lintel
2 outer leaf lintel 4 supported masonry – inner leaf
Figure 3 — Example of a combined lintel (see 3.1.5)
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
Key
1 lintels other than composite lintels
2 composite lintel
Figure 4 — General dimensions
4 Materials
4.1 Steel lintels
Materials for the manufacture of steel lintels covered by this standard shall be selected from
Annex C.1 and the material/coating reference shall be declared.
4.2 Concrete lintels
Concrete lintels shall be fabricated from reinforced or prestressed concrete with or without
non-structural shell casing units.
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EN 845-2:2013+A1:2016 (E)
Steel for the reinforcement of concrete shall conform to EN 10080.
Stainless steel for reinforcement shall conform to EN 10088-5.
Prestressing steels shall conform to prEN 10138 (all parts).
For lintels covered by this standard, wire diameters shall be 2,5 mm or greater.
The concrete shall conform with the material requirements clauses of EN 206-1.
Autoclaved aerated concrete shall conform to EN 12602 (definition and material requirement
clauses only).
4.3 Masonry lintels
Masonry lintels shall be fabricated using reinforced or prestressed concrete, masonry mortar,
and structural or non-structural shell casing masonry units as follows:
a) concrete and steel in accordance with 4.2;
b) masonry mortar in accordance with EN 998-2;
c) shell casing units shall be made from:
1) clay in accordance with the material requirement clauses of EN 771-1;
2) calcium silicate in accordance with the material requirement clauses of EN 771-2;
3) aggregate concrete in accordance with the material requirement clauses of EN 771-3;
4) autoclaved aerated concrete in accordance with the material requirement clauses of
EN 771-4;
5) manufactured stone in accordance with the material requirement clauses of EN 771-5;
6) natural stone in accordance with the material requirement clauses of EN 771-6.
NOTE All shell casing units can contribute to the mechanical performance of the lintel. However,
where their contribution is verified by calculation methods or the shell casing units are taken into
account in providing cover to the reinforcement, they are deemed to be structural shell casing units.
The compressive strength of structural shell casing units shall be determined in accordance
with the principles of EN 772-1 using a cut specimen. Specimen set up and dimensional
relationships are given in Figure 5.
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SIST EN 845-2:2013+A1:2016
EN 845-2:2013+A1:2016 (E)
Key
1 two specimens tested together to achieve symmetrical loading
2 cut length h equals smallest width b
s s
Figure 5 — Specimens for compressive strength test on structural shell casing units
Corresponding mortar joints shall be selected to meet the design performance requirements of
the lintel.
4.4 Combined and composite lintels
If the declaration or additional information for composite lintels includes an assumption about
materials or components needed, but not supplied by the lintel manufacturer, to complete the
lintel, then the required properties shall be specified in accordance with this or other relevant
European Standards or European Technical Approvals.
5 Requirements
5.1 General
The requirements and properties specified in this standard shall be defined in terms of the test
methods and procedures referred to in this European Standard.
NOTE 1 Guidance on the use and installation of lintels is given in informative Annexes A and B.
NOTE 2 The conformity criteria given in 5.2 to 5.11 inclusive relate to initial type tests (see 8.2) and,
where relevant, consignment testing !deleted text".
For production evaluation, conformity criteria in the factory production control documentation
shall be defined.
5.2 Dimensions, mass and limit deviations
5.2.1 Dimensions
The length, width and height of the lintel shall be declared and, in the case of non-rectangular
shapes or cross sections, a drawing of the configuration with dimensions shall be given.
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EN 845-2:2013+A1:2016 (E)
5.2.2 Mass per unit area
The mass and the mass per unit area on elevation of the lintel shall be declared. The mass shall
be determined from specimens sampled in accordance with Clause 8 using instruments capable
of measuring and weighing the specimen to an error limit of 0,1 % of each reading. The mean
mass of the specimens shall be divided by the product of the mean overall length and the mean
overall height to give the mass per unit area on elevation. The deviation from the declared value
of mass shall not exceed 5 %.
5.2.3 Built-in length
The minimum built-in length, which shall be not less than 100 mm, shall be declared.
5.2.4 Deviation from declared values
When sampled in accordance with Clause 8 and measured by the method of EN 846-11,
...
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