1、ICS 21.060.99; 91.080.20Timber fastenersCharacteristic load-carrying capacities and slip moduli forconnector joints(includes Corrigendum AC : 2003)English version of DIN EN 13271 : 2001 + AC : 2003Holzverbindungsmittel Charakteristische Tragfhigkeiten und Verschiebungsmoduln fr Verbindungen mitDbeln
2、 besonderer Bauart (enthlt Berichtigung AC : 2003)European Standard EN 13271 : 2001 + Corrigendum AC : 2003 has the status of aDIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 124 Timber structures (Secretariat: Denmark).The responsible Ge
3、rman body involved in its preparation was the Normenausschuss Bauwesen (Building andCivil Engineering Standards Committee), Technical Committee 04.01.040 Holzbau.DEUTSCHE NORM February 2004DIN EN 13271 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut f
4、r Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).English price group 08www.din.dewww.beuth.de9551660Continued overleaf.Document comprises 14 pages.05.04G4G15G61G22G66G5English versionICS 21.060.99; 91.080.20Timber fast
5、enersCharacteristic load-carrying capacities and slipmoduli for connector joints(includes Corrigendum AC : 2003) 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 13271 : 2001 + AC : 2003 EHolzverbindungsmittel Charakteri-stische
6、 Tragfhigkeiten und Verschie-bungsmoduln fr Verbindungen mitDbeln besonderer Bauart (enthltBerichtigung AC : 2003)This European Standard was approved by CEN on 2001-10-04 and CorrigendumAC on 2003-09-23.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the cond
7、itions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three offic
8、ial versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium
9、, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN 13271November 2001Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Commi
10、ttee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungElments de fixation du bois Valeurscaractristiques de capacit rsistanceet du module de glissement des assem-bleurs mcaniques du bois (corrigen-dum AC : 2003 inclus)+ ACSeptember 2003Page 2EN 13271 : 2001 + AC : 2003P
11、age233334445566677911Page 3EN 13271 : 2001 + AC : 20031 ScopeThis European Standard specifies relationships for the determination of load-carrying capacities of connector jointsin timber structures and appertaining reference conditions.It also gives recommendations for characteristic values for slip
12、 moduli for joints in solid timber (in accordance withEN 338) or glued laminated timber (in accordance with EN 1194).2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate pla
13、ces in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referr
14、ed to applies (including amendments).EN 338, Structural timber Strength classes.EN 912, Timber fasteners Specifications for connectors for timber.EN 1194, Timber structures Glued laminated timber Strength classes and determination ofcharacteristic values.EN 26891, Timber structures Joints made with
15、mechanical fasteners General principles for thedetermination of strength and deformation characteristics (ISO 6891:1983).ENV 1995-1-1, Eurocode 5: Design of timber structures Part 1-1: General rules and rules forbuildings.3 Terms and definitionsFor the purposes of this European Standard the followin
16、g term and definition apply.3.1connector unit- one ring connector with its bolt in single shear in a timber-to-timber joint, or- two plate connectors used back-to-back with the bolt in single shear in a timber-to-timber joint, or- one double-sided toothed-plate connector or two single-sided toothed-
17、plate connectors used back-to-back with the bolt in single shear in a timber-to-timber joint4 Symbols and abbreviationsRb,o,kcharacteristic load-carrying capacity of the bolt for = 0, in newtonsRb, ,kcharacteristic load-carrying capacity of the bolt for 0, in newtonsRc,kcharacteristic load-carrying
18、capacity of one toothed-plate connector, in newtonsRc,0,kcharacteristic load-carrying capacity of a ring or shear plate connector joint per connector unit for = 0, in newtonsRj,0,kcharacteristic load-carrying capacity of a toothed-plate connector joint per connector unit for = 0, innewtonsPage 4EN 1
19、3271 : 2001 + AC : 2003Rj, ,kcharacteristic load-carrying capacity of a toothed plate connector joint per connector unit for 0, innewtonsa3,tloaded end distance, in millimetresa3,cunloaded end distance, in millimetresa4edge distance (loaded or unloaded), in millimetresa4,tloaded edge distance, in mi
20、llimetresa4,cunloaded edge distance, in millimetresdbbolt diameter, in millimetresdcconnector diameter, in millimetersd1hole diameter of connector, in millimetershedepth of the connector embedment or tooth penetration depth, respectively, in millimeterst1side member thickness, in millimeterst2middle
21、 member thickness, in millimetersksercharacteristic slip modulus (mean value), in Newtons per millimeterka3modification factor a3,tktmodification factor for t1and for t2kmodification factor for kmodification factor for k angle between load and grain direction, in degreeskcharacteristic density of th
22、e timber strength class, in kilogram per cubic metre5 Ring and shear plate connector joints5.1 Connector typesThe following recommendations relate to connector joints with connectors of type A and type B as specified inEN 912.5.2 Characteristic load-carrying capacitiesThe characteristic load-carryin
23、g capacity of a ring or shear plate connector unit is related to the following referenceconditions: = 0 (1a)a3,t= 2 dc(1b)a4= 0,6 dc(1c)Page 5EN 13271 : 2001 + AC : 2003t1= 3 he(1d)t2= 5 he(1e)k= 350 kg/m3(1f)The characteristic load-carrying capacity per connector unit is given byekochddR=cc5313551,
24、min,(2a)(2b)with Rc,0,kin N, dcand hein mm.Other conditions than those given in equations (1a to 1f) according to annex A.5.3 Additional reference conditionsThe characteristic load-carrying capacities given in equations (2a and 2b) are related to connector units with boltsaccording to Table 1.Table
25、1 - Requirements for the bolts in ring and shear plate connector jointsdcdbType of connectormmmin.mmmax.mmA1 to A 5 c148c20c22c19 12 24A 1, A4, A5 130 0,1 dc24B d1 -1 d1Washers with a side length or a diameter of at least 3 dband a thickness of at least 0,3 db should be used under thehead and nut. W
26、ashers should have a full bearing area.5.4 Characteristic slip moduliThe characteristic slip modulus kseris given bykser= 0,6 dck(3)with kserin N/mm, dcin mm and kin kg/m3.Page 6EN 13271 : 2001 + AC : 20036 Toothed-plate connector joints6.1 Connector typesThe following recommendations relate to conn
27、ector joints with connectors of type C as specified in EN 912.6.2 Characteristic load-carrying capacitiesThe characteristic load-carrying capacity of a toothed-plate connector unit is related to the following referenceconditions = 0 (4a)a3,t= 1,5 dc(4b)for types C1 to C9a3,t= 2 dc(4c)For types C10 a
28、nd C11a4= 0,6 dc(4d)t1= 3 he(4e)t2= 5 he(4f)k= 350 kg/m3(4g)Other conditions than given in equations (4a to 4g) according to annex B.The characteristic load-carrying capacity per connector unit is given byRj,0,k= Rc,k + Rb,0,k(5)whereRc,k= 5118,cd (6)for types C1 to C9andRc,k= 5125,cd (7)for types C
29、10 and C11,with Rc,k in N and dcin mm.In equation (6),ddc= for types C5, C8 and C9Page 7EN 13271 : 2001 + AC : 200321aadc= for types C3 and C4with the values of d, a1, and a2as given in EN 912.Rb,0,k is the characteristic load-carrying capacity of the bolt according to ENV 1995-1-1.6.3 Additional re
30、ference conditionsThe characteristic load-carrying capacities given in equations (5), (6) and (7) are related to connector units withbolts according to Table 2.Table 2 - Requirements for the bolts in toothed-plate connector jointsdbType of connectormin.mmmax.mmC1,dcc148c3c26c24c3c80c80 10 d1C1, dcc1
31、49c3c28c24c3c80c80 10 30C2 d1 1 d1C3 12 d1C4 d1 1 d1C5 10 30C6 10 d1C7 d1 1 d1C8 10 d1C9 d1 1 d1C10 10 30C11 d1 1 d1Washers with a side length or a diameter of at least 3 dband a thickness of at least 0,3 dbshould be used underthe head and nut. Washers should have a full bearing area.6.4 Characteris
32、tic slip moduliThe characteristic slip modulus kser is given bykcserdk = 30, (8)Page 8EN 13271 : 2001 + AC : 2003for types C1 to C9andkcserdk = 450, (9)for types C10 and C11,with kser in N/mm2and dcin mm and kin kg/m3.In equation (8),ddc= for types C5, C8 and C 9,21aadc= for types C3 and C4,with the
33、 values of d, a1and a2as given in EN 912.Page 9EN 13271 : 2001 + AC : 2003Annex A(normative)Determination of load-carrying capacities of ring and shear plate connectorjointsA.1 GeneralThis annex gives relationships for the determination of load-carrying capacities of ring and shear plate connectorjo
34、ints in timber structures for conditions others than given in 5.2, equations (1a to 1f).A.2 Characteristic load-carrying capacitiesThe characteristic load-carrying capacity of a ring or shear plate connector unit is given byttaecckckkkkkkhkddR=351053135,.min,(A.1b)(A.1a)where22901cossin +=kk (A.2)wi
35、thcdk 00103190, += (A.3)=350751kk,.min(A.4b)(A.4a)=ctadak225133,.min(A.5b)(A.5a)ka3should only be used for connector joints loaded in tension, i.e. -30 c148c3 c3c148c330a3,t 1,5 dcshould not be used.Page 10EN 13271 : 2001 + AC : 2003=eeththtk53121.min(A.6c)(A.6b)(A.6a)where ta c149c3c21c15c21c24c3he
36、 and t2 c149c3c22c15c26c24c3heA.3 Additional requirementsMinimum requirements for the end distance a3,c(unloaded) and for the edge distance a4are as follows:a3,c= 1,2 dcfor 150 c148c3 c3c148c3210 (A.7)a3,c= (0,4 + 1,6 |sin|)dcfor 90 150 (A.8)and for 210 270a4,t= (0,6 + 0,2 sin)dcfor 0 c148c3 c3c148c
37、3180 (A.9)a4,c = 0,6 dcfor all other values of (A.10)For the symbols used in this annex see clause 4.Page 11EN 13271 : 2001 + AC : 2003Annex B(normative)Determination of load-carrying capacities of toothed-plate connector jointsB.1 GeneralThis annex gives relationships for the determination of load-
38、carrying capacities of toothed-plate connector joints intimber structures for conditions others than given in 6.2, equations (4a to 4g).B.2 Characteristic load-carrying capacitiesThe characteristic load-carrying capacity of a toothed-plate connector unit is given bykbatckkjRkkkRR,3, += (B.1)where=35
39、0501kk,.min(B.2b)(B.2a)=eeththtk53121.min (B.3c)B.3b(B.3a)(with t1 2,25 heand t2 3,75 heFor type C1 to C9:=ctadak51133,.min,(B.4b)(B.4a)where a3,tshould have a minimum value ofPage 12EN 13271 : 2001 + AC : 2003=mm807113 bctdda,.maxmin,(B.5c)B.5b(B.5a)(In equations (B.4b) and (B.5a) isdc= d for types
40、 C5, C8 and C921aadc= for types C3 and C4with the values of d, a1and a2as given in EN 912.For type C10 and C11:=ctadak2133,.min(B.6b)(B.6a)where a3,t should have a minimum value of=mm807513 bctdda,.maxmin,(B.7c)B.7b(B.7a)(In equation (B.1), Rc,k is the characteristic load-carrying capacity of the co
41、nnector according to equation (6) or (7),respectively; Rb,k is the characteristic load-carrying capacity of the bolt according to ENV 1995-1-1.B.3 Additional requirementsMinimum requirements for the end distance a3,c (unloaded) and for the edge distance a4are as follows:For C1-C9 types:a3,c= 1,2 dcf
42、or 150 c148c3 c3c148c3210 (B.8)a3,c= (0,9 0,6 |sin|)dcfor 90 150 (B.9)and for 210 270a4,t= (0,6 + 0,2 sin)dcfor 0 c148c3 c3c148c3180 (B.10)a4,c= 0,6 dcc73c82c85c3c68c79c79c3c82c87c75c72c85c3c89c68c79c88c72c86c3c82c73c3 (B.11)In equations (B.8) and (B.11) isPage 13EN 13271 : 2001 + AC : 2003dc= d for
43、 types C5, C8 and C921aadc= for types C3 and C4with the values of d, a1and a2as given in EN 912.For type C10 and C11:a3,c= 1,2 dcfor 150 c148c3 c3c148c3210 (B.12)a3,c= (0,4 + 1,6 |sin|)dcfor 90 150 (B.13)and for 210 270a4,t= (0,6 + 0,2 sin)dcfor 0 c148c3 c3c148c3180 (B.14)a4,c = 0,6 dcfor all other values of (B.15)For the symbols used in this annex see clause 4.
