EN 845-1:2013+A1:2016
(Main)Specification for ancillary components for masonry - Part 1: Wall ties, tension straps, hangers and brackets
Specification for ancillary components for masonry - Part 1: Wall ties, tension straps, hangers and brackets
This European Standard specifies requirements for wall ties, tension straps, hangers and brackets for interconnecting masonry and for connecting masonry to other parts of works and buildings including walls, floors, beams, and columns. Where anchors or fasteners are supplied or specified as part of an ancillary component, the requirements including performance requirements apply to the complete product.
This European Standard is not applicable to:
a) anchors and fasteners other than as part of an ancillary component;
b) shelf angles;
c) wall starter plates for tying into existing walls;
d) products formed from materials other than:
1) austenitic stainless steel (molybdenum chrome nickel alloys or chrome nickel alloys);
2) austenitic ferritic stainless steel;
3) ferritic stainless steel;
4) copper;
5) phosphor bronze;
6) aluminium bronze;
7) zinc-coated-steel with or without organic coating;
8) polypropylene;
9) polyamide (for expansion plugs only).
NOTE The resistance to fire performance of the products included herein cannot be assessed separately from the masonry element of which they are part and is therefore not covered under the scope of this part of this European Standard.
Festlegungen für Ergänzungsbauteile für Mauerwerk - Teil 1: Maueranker, Zugbänder, Auflager und Konsolen
Spécification pour composants accessoires de maçonnerie - Partie 1: Attaches, brides de fixation, étriers de support et consoles
La présente Norme européenne spécifie les exigences concernant les attaches murales, brides de fixation, brides de suspension et consoles utilisées pour assurer les liaisons entre des maçonneries et les liaisons entre la maçonnerie et d'autres parties de l'ouvrage ou de la construction, incluant les murs, planchers, poutres et poteaux. Lorsque des éléments d'ancrage ou de fixation sont fournis ou spécifiés comme partie intégrante d'un composant accessoire, les exigences, y compris les exigences de performance, s'appliquent au produit complet.
Les produits suivants ne sont pas couverts par la présente Norme européenne :
a) éléments d’ancrage et de fixation autres que ceux qui font partie intégrante d’un composant accessoire ;
b) cornières supports ;
c) plaques supports de mur destinées à assurer la fixation avec des murs existants ;
d) produits composés de matériaux autres que les suivants :
1) acier inoxydable austénitique (alliages molybdène chrome nickel ou alliages chrome nickel) ;
2) acier inoxydable austéno-ferritique ;
3) acier inoxydable ferritique ;
4) cuivre ;
5) bronze phosphoreux ;
6) bronze d'aluminium ;
7) acier galvanisé avec ou sans revêtement organique ;
8) polypropylène ;
9) polyamide (uniquement pour les chevilles à expansion).
NOTE La résistance au feu des produits inclus ci-après ne peut être évaluée séparément de l'élément de maçonnerie dont ils font partie et n'est, par conséquent, pas couverte par le domaine d'application de la présente partie de la présente Norme européenne.
Specifikacija za dodatne komponente zidovja - 1. del: Vezna stremena, sidrni trakovi, obešala in konzole
Ta evropski standard določa zahteve glede veznih stremen, sidrnih trakov, obešal in konzol za medsebojno povezovanje zidovja in povezovanje zidovja z drugimi deli objektov in stavb, vključno z zidovi, tlemi, tramovi in stebri. Če so sidra ali pritrdilni elementi del dodatne komponente, zahteve se uporabljajo za celoten izdelek, vključno z zahtevami glede delovanja.
Ta evropski standard se ne uporablja za:
a) sidra in sponke, razen ko so kot del dodatne komponente;
b) kotne nosilce;
c) podkonstrukcijske profile;
d) izdelke, ki niso izdelani iz:
1) nerjavnega avstenitnega jekla (zlitina molibdena, kroma in niklja ali zlitina kroma in niklja);
2) nerjavnega avstenitnega feritnega jekla;
3) nerjavnega feritnega jekla;
4) bakra;
5) fosforjevega brona;
6) aluminijevega brona;
7) pocinkanega jekla z organsko prevleko ali brez nje;
8) polipropilena;
9) poliamida (samo za ekspanzijske čepe).
OPOMBA: Požarne odpornosti omenjenih izdelkov ni mogoče oceniti ločeno od zidarskega elementa, katerega del so, kar pomeni, da ne spadajo na področje uporabe tega dela evropskega standarda.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2016
1DGRPHãþD
SIST EN 845-1:2013
Specifikacija za dodatne komponente zidovja - 1. del: Vezna stremena, sidrni
trakovi, obešala in konzole
Specification for ancillary components for masonry - Part 1: Wall ties, tension straps,
hangers and brackets
Festlegungen für Ergänzungsbauteile für Mauerwerk - Teil 1: Maueranker, Zugbänder,
Auflager und Konsolen
Spécification pour composants accessoires de maçonnerie - Partie 1: Attaches, brides
de fixation, étriers de support et consoles
Ta slovenski standard je istoveten z: EN 845-1:2013+A1:2016
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.
EN 845-1:2013+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2016
EUROPÄISCHE NORM
ICS 91.080.30 Supersedes EN 845-1:2013
English Version
Specification for ancillary components for masonry - Part
1: Wall ties, tension straps, hangers and brackets
Spécification pour composants accessoires de Festlegungen für Ergänzungsbauteile für Mauerwerk -
maçonnerie - Partie 1: Attaches, brides de fixation, Teil 1: Maueranker, Zugbänder, Auflager und Konsolen
étriers de support et consoles
This European Standard was approved by CEN on 21 March 2013 and includes Amendment 1 approved by CEN on 23 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 845-1:2013+A1:2016 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and symbols . 7
3.1 Terms and definitions . 7
3.2 Symbols . 10
4 Materials . 26
4.1 General . 26
4.2 Fixings and materials not supplied by the manufacturer . 26
5 Requirements . 27
5.1 General . 27
5.2 Dimensions and limit deviations . 27
5.2.1 Method of measurement and accuracy . 27
5.2.2 Length, applicable cavity width, embedment and fixings (number, size and
location) . 27
5.2.3 Thickness or diameter . 28
5.2.4 Other information . 28
5.3 Mechanical strength . 29
5.3.1 Wall ties and associated fixings . 29
5.3.2 Joist hangers . 31
5.3.3 Brackets . 32
5.3.4 Tension straps . 33
5.4 Resistance to water crossing a cavity . 33
5.5 Safety during installation . 34
5.6 Durability . 34
5.7 Dangerous substances . 34
6 Description and designation . 34
7 Marking . 36
8 Assessment and verification of constancy of performance – AVCP . 36
8.1 General . 36
8.2 Type testing . 36
8.2.1 General . 36
8.2.2 Test samples, testing and compliance criteria . 37
8.2.3 Test reports . 38
8.2.4 Shared other party results . 38
8.3 Factory production control (FPC) . 38
8.3.1 General . 38
8.3.2 Requirements . 39
8.3.3 Product specific requirements . 41
8.3.4 Procedure for modifications . 42
Annex A (normative) Materials and protective coatings . 43
Annex B (informative) Guidance on FPC frequencies . 48
!Annex ZA" (informative) Clauses of this European Standard addressing the
provisions of the EU Construction Products Regulation . 50
ZA.1 Scope and relevant characteristics . 50
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 57
ZA.3 Assignment of AVCP tasks . 57
Bibliography . 60
European foreword
This document (EN 845-1:2013+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 2016-04-23.
This document supersedes !EN 845-1:2013".
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.
1 Scope
This European Standard specifies requirements for wall ties, tension straps, hangers and
brackets for interconnecting masonry and for connecting masonry to other parts of works and
buildings including walls, floors, beams, and columns. Where anchors or fasteners are supplied
or specified as part of an ancillary component, the requirements including performance
requirements apply to the complete product.
This European Standard is not applicable to:
a) anchors and fasteners other than as part of an ancillary component;
b) shelf angles;
c) wall starter plates for tying into existing walls;
d) products formed from materials other than:
1) austenitic stainless steel (molybdenum chrome nickel alloys or chrome nickel alloys);
2) austenitic ferritic stainless steel;
3) ferritic stainless steel;
4) copper;
5) phosphor bronze;
6) aluminium bronze;
7) zinc-coated-steel with or without organic coating;
8) polypropylene;
9) polyamide (for expansion plugs only).
NOTE The resistance to fire performance of the products included herein cannot be assessed
separately from the masonry element of which they are part and is therefore not covered under the scope
of this part of this European 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 771 (all parts), Specification for masonry units
EN 846-2, Methods of test for ancillary components for masonry — Part 2: Determination of bond
strength of prefabricated bed joint reinforcement in mortar joints
EN 846-3, Methods of test for ancillary components for masonry — Part 3: Determination of shear
load capacity of welds in prefabricated bed joint reinforcement
EN 846-4, Methods of test for ancillary components for masonry — Part 4: Determination of load
capacity and load-deflection characteristics of straps
EN 846-5, Methods of test for ancillary components for masonry — Part 5: Determination of
tensile and compressive load capacity and load displacement characteristics of wall ties (couplet
test)
EN 846-6, Methods of test for ancillary components for masonry — Part 6: Determination of
tensile and compressive load capacity and load displacement characteristics of wall ties (single
end test)
EN 846-7, Methods of test for ancillary components for masonry — Part 7: Determination of shear
load capacity and load displacement characteristics of shear ties and slip ties (couplet test for
mortar joint connections)
EN 846-8, Methods of test for ancillary components for masonry — Part 8: Determination of load
capacity and load-deflection characteristics of joist hangers
EN 846-9, Methods of test for ancillary components for masonry — Part 9: Determination of
flexural resistance and shear resistance of lintels
EN 846-10, Methods of test for ancillary components for masonry — Part 10: Determination of
load capacity and load deflection characteristics of brackets
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
EN 998-2, Specification for mortar for masonry — Part 2: Masonry mortar
EN 10020, Definitions and classification of grades of steel
EN 10029, Hot-rolled steel plates 3 mm thick or above — Tolerances on dimensions and shape
EN 10088 (all parts), Stainless steels
EN 10143, Continuously hot-dip coated steel sheet and strip — Tolerances on dimensions and
shape
EN 10244 (all parts), Steel wire and wire products — Non-ferrous metallic coatings on steel wire
EN 10245-1, Steel wire and wire products — Organic coatings on steel wire — Part 1: General
rules
EN 10245-2, Steel wire and wire products — Organic coatings on steel wire — Part 2: PVC
finished wire
EN 10245-3, Steel wire and wire products — Organic coatings on steel wire — Part 3: PE coated
wire
EN 10346, Continuously hot-dip coated steel flat products — Technical delivery conditions
EN ISO 75 (all parts), Plastics — Determination of temperature of deflection under load
EN ISO 178, Plastics — Determination of flexural properties (ISO 178)
EN ISO 180:2000, Plastics — Determination of Izod impact strength (ISO 180:2000)
EN ISO 306, Plastics — Thermoplastic materials — Determination of Vicat softening temperature
(VST) (ISO 306)
EN ISO 527 (all parts), Plastics — Determination of tensile properties
EN ISO 1133 (all parts), Plastics — Determination of the melt mass-flow rate (MFR) and melt
volume-flow rate (MVR) of thermoplastics
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)
EN ISO 2039-2, Plastics — Determination of hardness — Part 2: Rockwell hardness (ISO 2039-2)
ISO 427, Wrought copper-tin alloys — Chemical composition and forms of wrought products
ISO 428, Wrought copper-aluminium alloys — Chemical composition and forms of wrought
products
ISO 431, Copper refinery shapes
ISO 1183 (all parts), Plastics — Methods for determining the density of non-cellular plastics
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
NOTE Dimensions and terms relating to wall ties are given in Figure 1.
3.1.1
asymmetrical tie
1) wall tie which is of a different physical design at either end over its embedment depth (or
end fixing) and for which the centre section may be symmetrical or asymmetrical in detail
Note 1 to entry: Examples are given in Figure 2 a).
2) wall tie which is physically identical at either end over its embedment depth (or end fixing)
but which is fixed in a different manner at each end is also defined as asymmetrical for the
purposes of the test procedure
Note 2 to entry: Examples are given in Figure 2 b).
3.1.2
bracket
device attached to structural elements, comprising an individual support for two adjacent
masonry units, which form part of a masonry wall
Note 1 to entry: Examples are given in Figure 3.
3.1.3
cavity wall tie
device for connecting a masonry leaf across a cavity to another masonry leaf or to a structural
frame to resist tension and compression forces while allowing limited differential movement in
the plane of the wall
Note 1 to entry: Examples are given in Figure 2 and Figure 4.
Note 2 to entry: Wall ties are further sub classified as asymmetrical or symmetrical and as horizontal,
slope-tolerant or movement-tolerant. Examples are given in Figures 2, 4 and 5 respectively.
3.1.4
cavity width
distance between the cavity faces of the masonry leaves of a cavity wall, measured
perpendicular to the plane of the wall
3.1.5
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
3.1.6
minimum embedment length
minimum length to achieve the declared value of a wall tie, or hanger designed to be embedded
in mortar
Note 1 to entry: The specification for the length to be built into the wall should be greater than the
minimum used by the manufacturer for the declaration, so as to allow for tolerances in positioning on site
(see Figure 1).
3.1.7
fixing
device (e.g. a nail, screw, screw/plug, anchor or bolt) used to connect ancillary components to
masonry or to supporting structures to resist tension and shear forces
3.1.8
horizontal wall tie
cavity wall tie which is designed to be installed approximately horizontally and in the plane of
the mortar joint across a cavity
Note 1 to entry: Examples are given in Figure 2 and Figure 4.
3.1.9
joist hanger (face fixing type)
device for supporting a joist, beam, truss or rafter on a masonry wall via fixing bolts or screws
Note 1 to entry: Examples are given in Figure 6.
3.1.10
joist hanger (joint fixing type)
device for supporting a joist, beam, truss or rafter on a masonry wall by direct loading via a
flange which is embedded in a mortar joint
Note 1 to entry: Examples are given in Figure 7.
3.1.11
1)
load capacity
individual value of the failure load, or load at an extreme displacement, given in the appropriate
test method, whichever is the lesser
3.1.12
tensile/compressive/shear load capacity
mean of the load capacities of the number of wall ties tested in tension/compression/shear
3.1.13
vertical load capacity
mean of the load capacities of the number of joist hangers/brackets tested
3.1.14
movement-tolerant cavity wall tie
cavity wall tie which is designed to allow large in-plane differential movements of the walls,
without generating large shear stresses, by the use of flexible body materials, free-running slot
systems, articulated joints or other means
Note 1 to entry: Examples are given in Figure 8 and Figure 9.
3.1.15
profile height
maximum overall height (distance between the upper and lower surface at right angles to the
length and width of the joint) of the embedded portion of a wall tie, strap or hanger
Note 1 to entry: See Figure 1.
3.1.16
shear tie
wall tie designed to transmit shear, tension and compression forces between two adjacent
sections of masonry or between structural frames and masonry
Note 1 to entry: Shear ties are sub-classified as symmetrical or asymmetrical. (Examples are given in
Figure 10.)
1) A convention has been adopted in this standard for terminology relating to the term ‘load capacity’. It is also used
in the EN 846 (all parts) test methods, which support EN 845. This term without a preceding qualifying adjective as
shown in 3.1.11 denotes an individual value of ‘load capacity’, i.e. the result of one measurement on one specimen.
Where the term is used with a preceding qualifying adjective, e.g. ‘tensile load capacity’ (see 3.1.12), this relates to the
mean of the load capacities from a number of specimens tested.
3.1.17
slip tie (general purpose)
wall tie designed to transmit only shear forces between two adjacent sections of masonry or
between masonry and structural frames while allowing in-plane movement
Note 1 to entry: Examples are given in Figure 11.
3.1.18
slope-tolerant tie
cavity wall tie designed to function satisfactorily with a significant slope from the horizontal
Note 1 to entry: Examples are given in Figure 5.
3.1.19
slot tie
wall tie whose end fixing (at one end) is by means of engaging a re-entrant key (e.g. dovetail)
into a slot either embedded in a concrete wall or surface fixed to concrete, steel or masonry
walls or frame elements, and which is free to slide in the slot either only during installation (for
adjustment purposes) or both during installation and while in service (to allow differential
movement)
Note 1 to entry: Examples are given in Figure 9.
3.1.20
symmetrical tie
wall tie which is physically identical at each end over its embedment length (or end fixing) and
which is fixed in an identical manner at each end
Note 1 to entry: The centre section may be symmetrical or asymmetrical in detail.
Note 2 to entry: Examples are given in Figure 4.
3.1.21
tension strap
device for connecting masonry walls to other adjacent components such as floors and roofs and
which resists tension forces
Note 1 to entry: Examples are given in Figure 12.
3.1.22
wall tie
device capable of transferring loads between masonry leaves or between masonry and other
structures, in order to limit their relative movement in purely one or more planes, as required
Note 1 to entry: Examples are given in Figure 1, Figure 2, Figure 4, Figure 8 and Figure 10.
3.2 Symbols
L the overall perpendicular length of a bracket from the fixing surface to the extremity of the
support flange, in mm
NOTE Examples are given in Figure 3.
Key
1 profile height 5 cavity width 9 insulation
2 mortar joint thickness 6 drip 10 inner leaf material, e.g. timber
3 units forming outer 7 insulation retaining 11 diameter of wire or thickness of
leaf clip plate
4 embedment length 8 insulation width
Figure 1 — Dimensions and terms relating to wall ties
NOTE 1 For reasons of clarity, thermal insulation is not shown.
Key
1 thin layer mortar (far end) 4 screwed to timber frame
2 screw fixing 5 nailed to timber frame
3 resin anchor fixing 6 bedded in mortar (near end)
a) Examples of asymmetrical wall ties
NOTE 2 For reasons of clarity, thermal insulation is not shown.
Key
1 deformed plate tie in masonry mortar (near end) and thin joint mortar (far end)
2 helical tie in masonry mortar (near end) and screwed into block (far end)
b) Examples of symmetrical wall ties used asymmetrically
Figure 2— Examples of wall ties
Key
a) ribbed-plate adjuster type (and packing c) toothed support and angled slot adjuster type
shim)
b) screwed adjuster type (and packing shim) d) light duty cam washer adjuster type
Figure 3 — Examples of brackets
NOTE For reasons of clarity, thermal insulation is not shown.
Key
1 thin plate types 3 thick plate types
2 helical (spiral) types 4 wire types
Figure 4 — Examples of symmetrical wall ties
NOTE For reasons of clarity, thermal insulation is not shown.
Key
1 installed with favourable slope
2 installed level
3 installed with unfavourable slope
Figure 5 — Examples of slope-tolerant cavity wall ties
Key
L clear length of joist hanger flange
Figure 6 — Example of joist hangers (face-fixing type)
Figure 7 — Example of joist hanger (joint fixing type)
NOTE For reasons of clarity, thermal insulation is not shown.
Key
1 universal-jointed type
2 sliding tee-in-slot type
a) Examples of movement-tolerant cavity wall ties
Key
1 rod with eye which can slide up or down
b) Example of movement-tolerant cavity wall tie having rod and eye that can be fixed to inner
leaf of the wall
Figure 8 — Examples of movement-tolerant cavity wall ties
NOTE For reasons of clarity, thermal insulation is not shown.
Key
1 face-mounted key slot
2 sliding tee-in-slot type
3 key slot
4 dovetail slot
Figure 9 — Examples of slot ties
NOTE For reasons of clarity, thermal insulation is not shown.
Key
1 symmetrical split-ended anchor type
2 asymmetrical tee type
Figure 10 — Examples of shear ties
Key
1 asymmetrical fixing/slip-case type
2 symmetrical slip-case type
3 asymmetrical split-ended/slip-case type
Figure 11 — Examples of slip ties (general purpose type)
NOTE For reasons of clarity, thermal insulation is not shown.
Key
1 cranked end strap used horizontally to tie floor to wall
a) Example of horizontal tension strap
Figure 12 — Examples of tension straps (continued)
Key
1 cranked end strap used vertically to hold roof down
b) Example of holding down tension strap (wall plate)
Figure 12 — Examples of tension straps (continued)
Key
1 roof hold -down to wall strap
c) Example of holding down tension strap (truss)
Figure 12 — Examples of tension straps (concluded)
4 Materials
4.1 General
Materials for the manufacture of components covered by this standard shall be selected from
Annex A and the material/coating reference shall be declared. The materials within a product,
including those for any fixings, shall be compatible and stainless steel shall not be in contact
with other types of steel.
The combinations of masonry units, mortars and fixings (where appropriate), for which the
relevant declared values of product performance characteristics are valid, shall be declared.
4.2 Fixings and materials not supplied by the manufacturer
Unless otherwise chosen by the manufacturer, the products shall be tested using masonry units
conforming to EN 771 (all parts) with a normalised compressive strength of not greater than
5 N/mm and general purpose mortar conforming to EN 998-2 with a compressive strength not
greater than 1,5 N/mm .
Where the fixings are not supplied as part of the product, fixings in accordance with a European
Standard or European Technical Approval shall be specified. The materials for such fixings shall
be compatible with that of the component.
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 The conformity criteria given in 5.2 to 5.7 inclusive relate to initial type tests (see 8.2) and
when relevant consignment testing !deleted text".
For production evaluation, conformity criteria in the factory production control documentation
shall be defined.
5.2 Dimensions and limit deviations
5.2.1 Method of measurement and accuracy
Dimensions shall be measured using a calibrated device capable of achieving an error limit of
± 1 %.
5.2.2 Length, applicable cavity width, embedment and fixings (number, size and location)
5.2.2.1 Wall ties
The minimum embedment length of wall ties shall be 30 mm. Ties should be so designed that
there will be 20 mm minimum of mortar beyond the tie in its plane, to prevent compression
forces pushing the tie through the wall.
The overall length of wall ties shall be declared. When sampled in accordance with Clause 8 and
measured, the overall length of wall ties shall be within ± 2,5 % of the declared value.
For cavity wall ties, the range of cavity widths over which the declared values of product
performance characteristics are valid shall be declared.
For each end of a wall tie, as appropriate, the minimum embedment length forming the basis for
the declared load capacity, or details and instructions for fixing shall be declared.
The requirements of this standard may be applied to some component parts of more complex
tying systems.
5.2.2.2 Tension straps
The overall dimensions of each length of a strap together with details of the number, size and
location of fixings as appropriate shall be declared. When sampled in accordance with Clause 8
and measured, dimensions shall be within ± 5 % or 3 mm of the declared values whichever is
the lesser.
5.2.2.3 Joist hangers
The minimum declared embedment length of joist hangers (joint fixing type) shall be at least
50 mm. The clear length of the joist flange (all types) shall be at least 75 mm.
The following dimensions shall be declared. When sampled in accordance with Clause 8 and
measured these dimensions shall be within ± 5 % or 3 mm of the declared values whichever is
the lesser:
— the clear length of the masonry flange;
— the clear length of the joist flange;
— the perpendicular distance between the bearing surface of the masonry flange and the
bearing surface of the joist flange (joint fixing type only);
— the width of the joist for which the hanger is intended.
5.2.2.4 Brackets
The overall perpendicular length, L (see Figure 3), from the fixing surface to the extremity of the
support flange shall be declared. When sampled in accordance with Clause 8 and measured, L
shall be within ± 5 % or ± 3 mm of the declared value, whichever is the lesser.
5.2.3 Thickness or diameter
5.2.3.1 Wall ties, tension straps and joist hangers
The minimum thickness of mortar joint for which the component is suitable shall be declared.
This declared thickness shall be not less than the thickness of the joint as used in the tests
carried out in accordance with EN 846 (all parts).
5.2.3.2 Brackets
The minimum thickness of the material shall be declared. When sampled in accordance with
Clause 8 and measured, the minimum thickness shall be equal to or greater than the declared
value.
The permissible deviations on thickness for continuously hot-dip metal coated steel sheet and
strip shall be in accordance with EN 10143 and for hot rolled steel plates 3 mm thick and above
shall be in accordance with EN 10029.
5.2.4 Other information
5.2.4.1 General
Any other information, including the number, size and location of fixings, which affect the
structural performance of a product or which co-ordinate with other components shall be
declared. When sampled in accordance with Clause 8 and measured, these dimensions shall be
within ± 5 % of the declared values.
5.2.4.2 Movement-tolerant cavity wall ties
For movement-tolerant cavity wall ties, the maximum permissible range of movement shall be
declared.
5.2.4.3 Slope-tolerant cavity wall ties
For slope-tolerant ties, the maximum and minimum permissible slopes shall be declared.
5.3 Mechanical strength
5.3.1 Wall ties and associated fixings
5.3.1.1 General
Wall ties shall be designated as either symmetrical or asymmetrical and either horizontal, slope-
tolerant or movement-tolerant. The mechanical performance of slope-tolerant and movement-
tolerant ties at all points of their ranges of slope or movement shall be equal to or greater than
the declared values.
Where cavity wall ties are declared to be movement-tolerant and/or slope-tolerant, their
mechanical strength shall be determined for the maximum condition of movement and/or
maximum slope.
NOTE The term ‘load capacity’ relates to test values for individual specimens whereas the terms
‘compressive load capacity’, ‘shear load capacity’ and ‘vertical load capacity’ relate to the mean of the test
values for a sample.
The declared load capacity of a wall tie shall be taken as the lowest of the load capacities of
parts of the tie, determined separately, if required, for example load capacity of one or both
anchorages, tensile or compressive strength of the bridging part of the tie or of subdivisions of
the bridging part. The load capacity of a tie may have more than one declared value, if the tie is
specified to be used in more than one type of masonry.
The load capacity shall be declared from the results of tests, using test methods specified in this
standard, or their interpretation.
Calculation models may be used to interpret and extend the results obtained from testing. The
calculation models should be based on a mechanical approach and appropriate material
properties. Historic test data may be used to demonstrate the validity of the calculation model.
The failure mode of the masonry and/or the component and/or the structure to which the
component is fixed shall be declared as anchorage/fixing failure, material failure of the
component or masonry failure, for each declared load capacity.
The ultimate demonstration of conformity of the product with this standard shall be by testing,
in accordance with the methods in EN 846-5, EN 846-6 or EN 846-7, samples selected in
accordance with Clause 8; the load bearing capacity obtained from tests shall be greater than
the declared value.
5.3.1.2 Cavity wall ties
5.3.1.2.1 Tensile load capacity
The tensile load capacity of the wall ties shall be declared. When sampled in accordance with
Clause 8 and tested by the method of EN 846-5 or EN 846-6 as appropriate, using the declared
minimum embedment length, the tensile load capacity shall be equal to or greater than the
declared value and additionally no load capacity of any individual specimen in tension shall be
less than 70 % of the declared value. For asymmetrical ties, where the ends are tested
separately, the tensile load capacity shall be that of the weaker end. If anchorage is dealt with
separately EN 846-5 or EN 846-6 as appropriate shall be used with the clamp placed close to the
surface of the masonry part in which the wall tie is anchored.
5.3.1.2.2 Compressive load capacity
The compressive load capacity of the wall ties shall be declared. When sampled in accordance
with Clause 8 and tested by the method of EN 846-5 or EN 846-6 as appropriate, using the
declared minimum embedment length, the compressive load capacity shall be equal to or
greater than the declared value and additionally no load capacity of any individual specimen in
compression shall be less than 70 % of the declared value. For asymmetrical ties, where the
ends are tested separately, the load capacity of any individual specimen in compression shall be
that of the weaker end. If anchorage is dealt with separately, EN 846-5 or EN 846-6 as
appropriate shall be used with the clamp placed close to the surface of the masonry part in
which the wall tie is anchored.
5.3.1.2.3 Displacement under load
The mean displacement of a sample of wall ties at one third of the declared value of their tensile
load capacity or compressive load capacity shall be declared.
When sampled in accordance with Clause 8 and tested in accordance with EN 846-5 or EN 846-
6, as appropriate, the mean displacement at one third of the declared tensile or compressive
load capacity shall be equal or less than the declared value.
5.3.1.3 Shear ties
5.3.1.3.1 Tensile load capacity
The tensile load capacity of the wall ties shall be declared. When sampled in accordance with
Clause 8 and tested by the method of EN 846-5 or EN 846-6 as appropriate, using the declared
minimum embedment length, the tensile load capacity shall be equal to or greater than the
declared value and additionally no load capacity of any individual specimen in tension shall be
less than 70 % of the declared value. For asymmetrical ties, where the ends are tested
separately, the tensile load capacity shall be that of the weaker end. If anchorage is dealt with
separately EN 846-5 or EN 846-6 as appropriate shall be used with the clamp placed close to the
surface of the masonry part in which the wall tie is anchored.
5.3.1.3.2 Compressive load capacity
The compressive load capacity of the wall ties shall be declared. When sampled in accordance
with Clause 8 and tested by the method of EN 846-5 or EN 846-6 as appropriate, using the
declared minimum embedment length, the compressive load capacity shall be equal to or
greater than the declared value and additionally no load capacity of any individual specimen in
compression shall be less than 70 % of the declared value. For asymmetrical ties, where the
ends are tested separately, the load capacity of any individual specimen in compression shall be
that of the weaker end. If anchorage is dealt with separately, EN 846-5 or EN 846-6 as
appropriate shall be used with the clamp placed close to the surface of the masonry part in
which the wall tie is anchored.
5.3.1.3.3 Shear load capacity
Shear ties shall be designated as either symmetrical or asymmetrical.
The shear load capacity of the shear ties shall be declared. When sampled in accordance with
Clause 8 and tested by the method of EN 846-7, the shear load capacity shall be equal to or
greater than the declared value for either the horizontal or the vertical direction or for both
directions. Additionally no load capacity of a specimen under shear shall be less than 70 % of
the declared value.
5.3.1.3.4 Displacement under load
When measured in accordance with EN 846-5, EN 846-6 or EN 846-7 as appropriate, the mean
displacement of a sample of wall ties at one third of the declared value of their tensile load
capacity, compressive load or shear load capacity shall be declared.
5.3.1.4 Slip ties (general purpose)
5.3.1.4.1 General
Slip ties shall be designated as either symmetrical or asymmetrical.
5.3.1.4.2 Shear load capacity
The shear load capacity of the slip ties shall be declared. When sampled in accordance with
Clause 8 and tested by the method of EN 846-7, the shear load capacity shall be equal to or
greater than the declared value for either the horizontal or the vertical direction or for both
directions. Additionally no load capacity of any individual specimen under shear shall be less
than 70 % of the declared value.
5.3.1.4.3 Displacement under load
When measured in accordance with EN 846-7, the mean displacement of a sample of wall ties at
one third of the declared value of their shear load capacity shall be declared.
5.3.2 Joist hangers
5.3.2.1 General
The declared load capacity of a joist hanger shall be taken as the lowest of the load capacities of
parts of the hanger, determined separately, if required, for example load capacity of the
anchorage, load capacity of the supporting part or of subdivisions of the supporting part. The
load capacity of a hanger may have more than one declared value, if the hanger is specified to be
used in more than one type of masonry.
The load capacity shall be declared from the results of tests, using test methods specified in
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