Bsi bs en 00845 3 2013 + a1 2016

3.1.1 bed joint mor ar layer b twe n the b d fa es of ma onry u its 3.1.2 bed joint r einfor cement ste l reinforcement that is prefabric ted for buiding into a b d joint 3.1.3 bond str

Natio al f orew ord

T is B t is hSt an ardis t he UK impleme t at io of

EN 845-3:2013+A1:2016 It s up rs ed s BS EN 8 4 5-3:2013 whic h is wit hdrawn

T he s ar an f inish of tex t int o uce or altere by ame dme t

is in icate in th tex t by tags T ags in icatin chan es to CEN

tex t car y th n mber of th CEN ame dme t For ex ample,tex t

!"

EN 8 5-3 sp cifies th characteris ics an p rformance re uireme t

for b d joint reinforceme t av aiable thro g o t th CEN member

co nt ies It aims to d so in pro uct p rformance terms, av oidin

as f ar as p s ible prescriptiv e re uireme t an al th t aditio al

d sig atio s of th se prod ct av aiable thro g o t Euro e

T he UK Natio al An ex NA at ach d to this s andard prov id s an

EN 8 5-3 inclu es clauses cov erin initial typ tes s, factory

pro uctio cont ol sampln for initial typ tes in an

in e e d nt tes in of co sig me t T hese are simi ar in al

maso ry prod ct specificatio s

informativ e comme tary o EN 8 5-3 Nothin in this an ex sh uld

b cons ru d as sp cifyin re uireme t oth r than th se contain d

in the n rmativ e par s of this Euro ean Stan ard

3 September 2 13 C r ectio to su er es io detais

prov isio s of a cont act User are resp nsible for it cor ect

A ls of organiz tio s re rese te o this su commit e can b

o tain d o re ues to it secretary

T his p blcatio d es n t p rp r to inclu e al th n ces ary

applcatio

© T he British Stan ards Ins itutio 2016

T he UK par icipatio in it pre aratio w as e t us e by T chnical

Commit e B/519,Maso ry an as ociate tes ing, to Su commit e

P blsh d by BSI Stan ards Limite 2016

T his British Stan ard was p blsh d u d r the authority of th

3 September 2 16 Implementatio of CEN amen ment A 1:2 16

If CE markin is p rforme , th proce ures in A nn x ZA wi ap ly

T e sig ificance of th CE marking is that th pro uct man facturer

claims compl ance with th “harmo ize ” re uireme t giv en in th

n rmativ e tex t of th prod ct s an ard T hese relate to th basic

re uireme t for cons ructio works as giv en in th Cons ructio

Prod ct Re ulatio Not al pro uct characteris ics n e n ces ariy

b giv en o th CE markin , b t th se pro uct characteris ics

cov ere by re ulatio s in force in each EU Member State, w here th

man facturer inten s that the prod ct wi b us ed, d n e to b s tated

B/519/3, A nci ary comp ne t

EUROPEAN STANDARD

July 2 1

Eng lish Ver sion

Specification for anci lary components for masonry - Part

3: Bed joint reinforcement of steel meshw ork

Spé ific tions pour c mposant a c s oires de

ma on erie - Partie 3:Trei is d'armature en a ier pour

joint horiz ntau

Fesleg ung en für Erg änzu g sbauteie für Mauerwerk -

Tei 3:Lag erug en ewehru g aus Stahl

This E rope n Stan ard was ap roved b C N on 2 March 201 an inclu es Amen ment 1ap roved b C N on 9 Apri 2016

C N member are bou d to c mply with the C N/C NE E Internal Reg ulations which sip late the c n itions for g ivin this

E rope n Stan ard the s atus of a national s an ar d without an alteration Up-to-date lss an biblog rap ic al referenc es

c nc rnin such national s an ards may be obtained on ap lc ation to the C N-C NE E Manag ement Centre or to an C N

member

This E rope n Stan ard ex iss in thr ee oficial ver ions (E g lish, French, German) A ver ion in an other lang uage made b

tanslation u der the responsibi ty of a C Nmember into it own lang uag e an notified to the C N-C NE E Manag ement

Cente has the same satus as the oficial ver ions

C N member are the national s an ards bodies of Ausria, Belg ium, B lg aria, Cro tia, Cy prus, Cz ch R ep blc, Denmark, Esonia,

Finlan , Former Yug oslav R ep blc of Mac edonia, Franc e, Germany , Gre c , Hu g ary, Ic lan , Irelan , Italy, Latvia, Lith ania,

L x embourg, Malta, Netherlan s, Norway , Polan , Porug al, R omania, Slovakia, Slovenia, Spain, Sweden, Switz rlan , Turkey an

United King dom

EUR OP AN COM IT E FOR STAND R DIZA TION

COMITÉ EU OP EN DE NO MALISA ION

EUR PÄISCHES KOMITE FÜ NO MUNG

C N-C NE E Manag ement C ntre: Av n e Marnix 1 , B-1 0 Brus els

© 2 1 CEN A ll rig hts of ex ploitation in any form an by any me ns reser ved

w or ldw ide for CEN national Memb r s

Ref No EN 845-3:2 1 +A 1:2 1 E

EN 8 5-3:2013+A 1:20 6 (E)

E r ope nfor ewor d 4

1 Sc ope 5

2 Nor mative r efer ences 5

3 Ter ms, definitio s and sy mb ls 6

3.1 Ter ms and definitions 6

3.2 Symb ls 7

4 Mater ials and ty es of pr oduc ts 8

4.1 Mater ials 8

4.2 Types of pr oduc ts 11

4.2.1 Gener al 11

4.2.2 Welded wir e meshwor k 11

4.2.3 Woven wir e meshwor k 11

4.2.4 Ex panded metal meshwor k 12

5 Requir ements 12

5.1 Gener al 12

5.2 Pr oduct appl c atio s and types 13

5.2.1 Pr oducts for str uc tur al use 13

5.2.2 Pr oducts for non-str uc tur al use 13

5.3 Dimensio s and lmit dev iatio s 13

5.3.1 Gener al 13

5.3.2 Deter minatio ofwir e size 14

5.3.3 Deter minatio ofc r os -sectio al ar ea 14

5.3.4 Deter mination ofothe dimensio s 15

5.4 Mechanical str eng th 15

5.4.1 Mechanical str eng th ofbed joint r einfor cement for str uc tur al applcatio s 15

5.4.2 Mechanical str eng th ofbed joint r einfor c ement for non-str uc tur al applc atio s 16

5.5 Bond str ength and anc hor ag e length 16

5.6 Dur abiity 16

5.7 Danger ous substanc es 16

6 Des r iption and desig na tion 17

7 Mar king 17

8 A sses ment and ver ification ofco stanc y ofper for mance – A VCP 18

8.1 Gener al 18

8.2 Type testing 18

8.2.1 Gener al 18

8.2.2 Test samples, testing and complanc e cr iter ia 19

8.2.3 Test r epor ts 19

8.2.4 Shar ed othe par ty r esults 19

8.3 Fac tor y pr oduc tion co tr ol (FPC) 20

8.3.1 Gener al 20

8.3.2 Requir ements 20

EN 845-3:2013+A 1:2016 (E)

8.3.3 Pr od ct specific r equirements 23

8.3.4 Pr ocedur e for mo ifications 24

A nnex A ( informative) G uidanc e o FPC fr eq enc ies 25

!A nnex ZA" ( informative) Clauses ofthis Eur ope n Standar d addr es ing the

pr ovisio s ofthe EU C nstr uctio Pr od cts Reg ulatio 26

ZA 1 Sco e and r elevant char acter istic 26

ZA 2 System ofA sses ment and Ver ification ofC nstancy ofPer for mance (AVCP) 27

ZA 3 A ssig nment ofA VCP tasks 27

Bibl og r aphy 28

EN 8 5-3:2013+A 1:20 6 (E)

Eur opean for ewor d

This document ( EN 845-3:2 1 +A1:20 6) ha b en pre ared b Tech ic l Committee

CEN/T 1 5 “Ma onry”, the secretariat of which is held b BSI

This Euro ean Stan ard shal b given the status of a national stan ard, either b publc tion of

an identic l tex t or b en orsement, at the latest b Jan ary 2 1 , an conflcting national

stan ards shal b with rawn at the latest b A pri 2 1

Atten on is drawn to the p s ibi ty that some of the elements of this document may b the

subject of patent rights C N[ an / r C NEL C] shal not b held resp nsible for identifying any

or al such patent rights

This document inclu es Amen ment 1ap roved b CEN on 2 1 -04-09

This document sup rsedes !EN 845-3:2 1 "

The star an finish of text int od ced or altered b amen ment is in ic ted in the tex t b tags

!"

This document ha b en pre ared u der a man ate given to CEN b the E ro ean Commis ion

an the E ro ean Fre Trade As ociation, and sup or s es ential requirements of

EU Directive(s)

For relationship with EU Directive(s), se informative An e ZA, which is an inte ral par of this

document

!dele ted text"

EN 845,S ecific ation fr a c illary c omp nent fr masonry, consists of the folowing par s:

— Part 1: Wall ties, tension stra s, h n e s a d brac ket

— Part 2: Linte ls

— Part 3: B ed joint r infrc e ment o s ee l meshwork

According to the C N/C NE EC Internal Re ulations, the national stan ards organiz tions of

the folowing cou t ies are b u d to implement this Euro ean Standard: Aust ia, Belgium,

Bulgaria, Croatia, Cyprus, Czech Re ublc, Denmark, Estonia, Finlan , Former Y g slav Republc

of Ma edonia, France, Germany, Gre ce, Hu gary, Iceland, Irelan , Italy, Latvia, L ith ania,

L x mb urg, Malta, Netherlan s, Norway, Polan , Por ugal, Romania, Slovakia, Slo enia, S ain,

Sweden, Switzerlan ,Turke an the United Kingdom

EN 845-3:2013+A 1:2016 (E)

This E ro ean Standard specifies the requirements for ma onry b d joint reinforcement for

st uctural use ( se 5.2.1)an for non-st uctural use ( se 5.2.2)

Where prod cts are inten ed for use in c vity wal const uction, this Euro ean Stan ard covers

only the per ormance of the meshwork a reinforcement in b d joints an not its p r ormance

a wal ties a ros the c vity

This E ro ean Stan ard is not applc ble to:

a) prod cts in the form of in ivid al bars or rods;

b) prod cts formed f om materials other than sp cified grades of austenitic stainles ste l,

austenitic fer itic stainles ste l, zinc pre-coated ste l she t or zinc coated ste l wire with

or without organic coating

NOT A nne ZA refer only to w elded wire meshw ork inten ed for st ructural use refer ed to in 5.2.1

as there are no k ow n regulated requirements for prod cts of this famiy for non-st ructural use

2 Normative references

The folowing documents, in whole or in par , are normatively referenced in this document an

are in isp ns ble for its ap lc tion For dated references, only the edition cited ap les For

un ated references, the latest edition of the referenced document ( inclu ing any amen ments)

ap les

EN 846-2, Me th ds o test fr a c illary comp nent fr maso ry — Part 2: De te mination o b nd

str n th o pr fbric ated bed joint r infrcement inmortar joint

EN 846-3, Meth ds o test fr a cillary comp nent fr maso ry — Part 3: Dete mination o shear

load c ap c ity o welds inpr fbricated bed joint r infrcement

EN 1 0 0, Definition a d c lassific ation o grades o s e l

EN 1 0 8( al par s),Stainless ste ls

EN 1 143, Co tinu usly h t-dip co ted s e el she t a d s rip — Tole a c es o dimensions a d

sh pe

EN 1 24 ( al par s),Stee l wire a d wire produc ts — No -fe ro s metallic co tin s o s e l wire

EN 1 245-1, Stee l wire a d wire produc ts — Org nic c oatings o ste el wire — Part 1: G ene al

EN 1 346, Co tinu usly h t-dip c oated s e l flat produc ts — Te h ic al delive y c onditio s

EN ISO 1 6 0 ( al par s), Ste l fr the r inf rc ement a d pr s r ssing o c oncre te — Tes meth ds

EN 8 5-3:2013+A 1:20 6 (E)

3 Terms, definitions and sy mbols

3.1 Ter ms and definitions

For the purp ses of this document,the folowing terms an definitions ap ly

3.1.1

bed joint

mor ar layer b twe n the b d fa es of ma onry u its

3.1.2

bed joint r einfor cement

ste l reinforcement that is prefabric ted for buiding into a b d joint

3.1.3

bond str eng th

tensie load that c n b resisted b a sp cified length ofreinforcement in a ma onry b d joint

3.1.4

char acter istic y ield strength

value of the yield st ength ab ve which 9 % of al the in ivid al test results oc ur

value for a product pro er y, determined in a cordance with this stan ard, that a man fa turer

is confident of a hieving b aring in min the variabi ty of the man fa turing proces

minimum emb dment of a length of b d joint reinforcement in mor ar in order to a hieve the

ful efectivenes of the reinforcement

3.1.9

long itudinal wir e

wire pla ed paralel to the length of the ma onry

max imum overal height ( distance b twe n the up er an lower sur a es at right angles to the

length an width of the joint) of the emb dded por ion of the b d joint reinforcement

EN 845-3:2013+A 1:2016 (E)

3.1.12

she r load capac ity

mean value for s mple ofprod ct sp cimens of the faiure loads at the ju ction b twe n two

wires loaded in the direction of the longitu inal ax is in the plane of the b d joint reinforcement

A is the p r entag e total elong ation at ma imum for e, in %;

a is the width of the b d joint reinfor ement, in mm;

b is the pitch of the c os -wire, in mm;

c is the wire siz of the longitudinal wires, in mm;

d is the wire siz of the c os -wires, in mm;

e is the pitch of the longitudinalwires in wo en w ire meshwork ,in mm;

f is the a erture length of the e p n ed metal meshwork ( ent re to cent re), in mm;

g is the a erture width of the e p n ed metal meshwork ( ent re to cent re), in mm;

l is the leng th of a sp cimen of deformed plain wire or e p n ed metal meshwork, in mm;

l is the length of an element of b d joint reinfor ement as delv ered b the man facturer,

in m;

m is the mas of a sp cimen of deformed plain wire or e p n ed metal meshwork , in g;

ρ is the nominal density of the material, in k g/m

EN 8 5-3:2013+A 1:20 6 (E)

4 Materials and types ofproducts

4.1 Mater ials

Materials for the man fa ture of b d joint reinforcement an their protective coatings shal b

selected fom those given in Table 1 W ithin a prod ct, stainles ste l shal not b mix ed with

other types of ste l

two sides

cThick es

pe side

dOrg anic

co ting

thick es

g/m2

g m2

Zinc co ted st eel wire with organic co tin

ov er al surfaces of finished comp nent

Zinc co ted ste l w ire EN 1 0 0 with EN1 24 (al p rts) zinc

co tin

6f

Zinc pre-co ted

steel stripor she t

Zinc co t ed steel wire w ith b n ed e ox y

co ting o er al surface of finished

EN 845-3:2013+A 1:2016 (E)

4.2 Types of products

4.2.1 Gener al

Welded wire meshwork an woven wire meshwork shal b man fa tured f om smo th,

in ented or rib ed wire, roun or flatened wire, either of low c rb n ste l protected against

cor osion or of a cor osion resistant ste l Ex pan ed metal meshwork shal b man fa tured

fom st ip ste l of the ap ro riate thick es an cor osion resistance

4.2.2 Welded wir e meshwor k

The reinforcing element prod ced shal consist of longitudinal wires welded to cros -wires

( lad er type)or to acon nuous wire diag nal ( trus type)

NOT Ex mples of prod cts for structural a plcations are shown in Figures 1 an 2

Fig ur e 1 — Ex ample ofladde ty e - planand sectio s

Fig ur e 2— Ex ample oftr us ty pe - pla n

4.2.3 Wov en wir e meshwor k

The meshwork shal b made b win ing wire aroun longitu inal wires folowing a re etitive

patern

NOT A n e ample of wo en wire meshw ork is giv en in Figure 3

EN 8 5-3:2013+A 1:20 6 (E)

Fig ur e 3— Ex ample ofwov en wir e meshwor k - plan and sec tion

4.2.4 Ex panded metal meshwor k

The meshwork shal b made f om a ste l st ip, slt in a patern which, when ex panded, wi

prod ce diamon shap d meshwork

NOT A n e ample of e p n ed metal meshwork is g iv en in Fig ure 4

Fig ur e 4 — Ex ample of ex panded metal meshwor k - plan and sectio

5.1 Gener al

The req irements an pro er ies sp cified in this stan ard shal b defined in terms of the test

methods an proced res refer ed to in this Euro ean Stan ard

NOT T e conformity c iteria giv n in 5.2 to 5.7 inclusiv e relate to initial ty pe tests ( se 8.2) an ,

when relev ant, consignment esting !deleted te t"

EN 845-3:2013+A 1:2016 (E)

For prod ction evaluation, the conformity criteria shal b defined in the fa tory prod ction

cont ol documentation

5.2 Pr oduct appl cations and types

5.2.1 Pr oducts for str uctur al use

Bed joint reinforcement for st uctural ap lc tions shal b welded wire meshwork in

a cordance with 4.2.2 The prod ct shal b declared a inten ed for st uctural applc tions

The minimum wire size of the longitu inal wires shal b 3,0 mm

5.2.2 Pr oducts for non-str uc tur al use

Bed joint reinforcement for non-structural ap lc tions shal b any of the types in a cordance

The dimensions of the b d joint reinforcement a lsted in Table 3 shal b declared The lmit

deviations on dimensions shal b a given in Table 3 S ecimens of b d joint reinforcement,

when s mpled in a cordance with Clause 8 an mea ured in a cordance with 5.3.2 or 5.3.3,

shal not deviate f om the declared values b more than the l mit deviations given in Table 3

NOT S e 3.1.6 for definition of the term ‘declared v alue’

EN 8 5-3:2013+A 1:20 6 (E)

Table 3 — Dimensional dev iatio s

W ir e meshw or k Ex panded metal

5.3.2 Deter minatio of wir e size

The wire size shal b determined a folows:

a) Plain rou d wire:

Mea ure the diameter of ea h wire in a s mple with a micrometer, in two directions,

ap rox imately at right angles, to the nearest 0,01 mm T e wire size shal b the mean of the

two diameters

b) Deformed plain wire:

Cut sp cimens of ea h wire f om an element so that the length is not les than 2 0 mm an

made up of one, or more than one, piece The cuts shal b clean an paralel a ros the wire

Mea ure the length ls of the specimen up to the nearest 1 mm Determine the weight of the

sp cimen, m, up to the nearest 0,0 g Calculate the cros -sectional area, A

c, to two decimal

pla es using the folowing formula:

26

⋅

2 c lculated to two decimal pla es

c) Wire with organic coating:

Use method a)or b)afer removal of the organic coating fom the wire

5.3.3 Deter minatio ofcr os -sectional ar ea

Cut a sp cimen of ex pan ed metal meshwork f om an element so that the length is a multiple of

fand not les than 2 0 mm.The cuts shal b clean an paralel a ros the element Mea ure the

EN 845-3:2013+A 1:2016 (E)

length l

s

of the sp cimen up to the nearest 1 mm Determine the weight of the specimen m up to

the nearest 0,0 g Calculate the cros -sectional area of the sp cimen, Ae

, to two decimal pla es

using the folowing formula:

26

5.3.4 Deter minatio ofothe dimensio s

Dimensions shal b mea ured using a c lbrated device c pable of a hie ing an er or lmit of

±1 %

5.4 Mechanical str eng th

5.4.1 Mecha nic al str eng th of bed joint r einfor c ement for str uctur al appl cations

5.4.1.1 Char ac ter istic yield str ength of long itudinal wir es

The value of the chara teristic yield st ength of the longitu inal wires shal b declared When

s mpled in a cordance with Clause 8 and tested b the method of ENISO 1 6 0 ( al par s)using

test specimens ea h containing at lea t one weld within the gaug length, the up er yield

st ength of the longitu inal wires shal b not les than the declared value If a yield

phenomenon is not present, the 0,2 % pro f st ength ( Rp

,2shal b determined The values of

the p rcentag total elongation at max imum force, ( A

gt) an the ratio of tensie strength to the

yield st ength ( Rm Rp

,2shal b recorded

5.4.1.2 Ductilty of longitudinal wir es

T e d cti ty c te ory of the longitu inal wires in a cordance with Table 4 using the data

gathered in the yield st ength test of 5.4.1.1shal b declared

Table 4 — Ductiity categ or ies

C teg ry Total elong ation at max imum for ce

Ratio tensie streng th/

p ,2

5.4.1.3Char acter istic yield str ength of c r os -wir es

The chara teristic yield strength of the cros -wires shal b declared W here the st uctural

per ormance of the b d joint reinforcement is relant, even in par , on the cros -wires, the

st ength of the cros -wires shal b not les than the chara teristic yield strength of the

longitu inal wires When s mpled in a cordance with Clause 8 an tested b the method of

EN ISO 1 6 0 ( al par s), the up er yield st ength of the cros -wires or the 0,2 % pro f strength

( Rp

,2

shal b not les than the declared value