1、September 2011 Translation by DIN-Sprachendienst.English price group 18No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).
2、ICS 21.060.99; 91.080.20!$td=“1816526www.din.deDDIN EN 912Timber fasteners Specifications for connectors for timbersEnglish translation of DIN EN 912:2011-09Holzverbindungsmittel Spezifikationen fr Dbel besonderer Bauart fr HolzEnglische bersetzung von DIN EN 912:2011-09Organes dassemblage pour le b
3、ois Spcifications des connecteurs pour boisTraduction anglaise de DIN EN 912:2011-09SupersedesDIN EN 912:2001-02www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.4909.11 DIN EN 912:2011-09 A comma is used as the decimal marker. Natio
4、nal foreword This standard has been prepared by Technical Committee CEN/TC 124 “Timber structures” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Building and Civil Engineering Standards Committee), Working Committee NA 005-04-
5、01 AA Holzbau (SpA zu CEN/TC 124, CEN/TC 250/SC 5). Amendments This standard differs from DIN EN 912:2001-02 as follows: a) the standard now requires the marking of the nominal dimension (Clause 6); b) some tolerances have been modified; c) dimensions of connectors of type B1 have been modified (Tab
6、le B.1); d) the wrong material designation “H320M” has been replaced by “HC340LA” (Annex C); e) the material designation “FeP02G” has been replaced by “DX51D+Z275 or AZ150” (Annex C); f) in Table C.1, the thickness t of connectors with diameters dc 140 mm and 165 mm has been increased to 2 mm; g) Fi
7、gures C.1, C.3 and C.4 have been revised; h) the standard has been brought in line with current rules of presentation. Previous editions DIN EN 912: 2001-02 2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 912 July 2011 ICS 21.060.99; 91.080.20 Supersedes EN 912:1999English Version Timber fast
8、eners - Specifications for connectors for timbers Organes dassemblage pour le bois - Spcifications des assembleurs pour bois Holzverbindungsmittel - Spezifikationen fr Dbel besonderer Bauart fr Holz This European Standard was approved by CEN on 17 June 2011. CEN members are bound to comply with the
9、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
10、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
11、 the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Rom
12、ania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved
13、 worldwide for CEN national Members. Ref. No. EN 912:2011: EEN 912:2011 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .54 Symbols 65 Requirements .75.1 General 75.2 Classification and requirements of connectors .76 Marking .7Annex A (normative) Specifications
14、 for ring connectors .8A.1 Type A1 .8A.1.1 Description and dimensions .8A.1.2 Material .9A.2 Type A2 .9A.2.1 Description and dimensions .9A.2.2 Material 10A.3 Type A3 11A.3.1 Description and dimensions 11A.3.2 Material 12A.4 Type A4 12A.4.1 Description and dimensions 12A.4.2 Material 14A.5 Type A5 1
15、4A.5.1 Description and dimensions 14A.5.2 Material 16A.6 Type A6 16A.6.1 Description and dimensions 16A.6.2 Material 18Annex B (normative) Specifications for plate connectors . 19B.1 Type B1 19B.1.1 Description and dimensions 19B.1.2 Material 19B.2 Type B2 21B.2.1 Description and dimensions 21B.2.2
16、Material 21B.3 Type B3 23B.3.1 Description and dimensions 23B.3.2 Material 23B.4 Type B4 25B.4.1 Description and dimensions 25B.4.2 Material 26Annex C (normative) Specifications for toothed-plate connectors 27C.1 Type C1 27C.1.1 Description and dimensions 27C.1.2 Material 28C.2 Type C2 29C.2.1 Descr
17、iption and dimensions 29DIN EN 912:2011-09 EN 912:2011 (E) 3 C.2.2 Material . 30C.3 Type C3 . 30C.3.1 Description and dimensions 30C.3.2 Material . 32C.4 Type C4 . 32C.4.1 Description and dimensions 32C.4.2 Material . 34C.5 Type C5 . 34C.5.1 Description and dimensions 34C.5.2 Material . 35C.6 Type C
18、6 . 35C.6.1 Description and dimensions 35C.6.2 Material . 36C.7 Type C7 . 37C.7.1 Description and dimensions 37C.7.2 Material . 38C.8 Type C8 . 38C.8.1 Description and dimensions 38C.8.2 Material . 39C.9 Type C9 . 40C.9.1 Description and dimensions 40C.9.2 Material . 41C.10 Type C10 . 41C.10.1 Descr
19、iption and dimensions 41C.10.2 Material . 43C.11 Type C11 . 43C.11.1 Description and dimensions 43C.11.2 Material . 44Annex D (normative) Specifications for other connectors . 46D.1 Type D1 . 46D.1.1 Description . 46D.1.2 Material . 47DIN EN 912:2011-09 EN 912:2011 (E) 4 Foreword This document (EN 9
20、12:2011) has been prepared by Technical Committee CEN/TC 124 “Timber structures”, the secretariat of which is held by AFNOR. 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 2012, and confl
21、icting national standards shall be withdrawn at the latest by January 2012. 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 docum
22、ent supersedes EN 912:1999. The following significant technical changes have been introduced in the new edition of this European Standard: a) the EN 912:1999/AC:2000 corrigendum is included, b) modifications regarding newer EN reference standards, steel material and tolerances. According to the CEN/
23、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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith
24、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 912:2011-09 EN 912:2011 (E) 5 1 Scope This European Standard specifies the dimensions and the materials of certain well-established connectors for u
25、se in joints between members in load-bearing timber structures. For data on strength and deformation properties of joints made with the connectors, reference is given to EN 13271. 2 Normative references The following referenced documents are indispensable for the application of this document. For da
26、ted references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1561, Founding Grey cast irons EN 1562, Founding Malleable cast irons EN 1706, Aluminium and aluminium alloys Castings Chemical composition and
27、 mechanical properties EN 10025, Hot rolled products of structural steels (all parts) EN 10131, Cold rolled uncoated and zinc or zinc-nickel electrolytically coated low carbon and high yield strength steel flat products for cold forming Tolerances on dimensions and shape EN 10139, Cold rolled uncoat
28、ed mild steel narrow strip for cold forming Technical delivery conditions EN 10140, Cold rolled narrow steel strip Tolerances on dimensions and shape EN 10143, Continuously hot-dip coated steel sheet and strip Tolerances on dimensions and shape EN 10268, Cold rolled steel flat products with high yie
29、ld strength for cold forming Technical delivery conditions EN 10346, Continuously hot-dip coated steel flat products Technical delivery conditions EN 13271, Timber fasteners Characteristic load-carrying capacities and slip-moduli for connector joints 3 Terms and definitions For the purpose of this d
30、ocument, the following terms and definitions apply. 3.1 connector device generally consisting of a plate, toothed-plate or ring which, when partly embedded in each or in one of the contact faces of two members and held together by a connecting bolt, is capable of transmitting a load from one member
31、to another 3.2 double-sided connector connector symmetrical in cross-section and embedded into each contact face of two adjacent timber members DIN EN 912:2011-09 EN 912:2011 (E) 6 3.3 single-sided connector connector embedded into a timber contact face only on one side 3.4 ring connector double-sid
32、ed connector formed as a closed ring or a ring cut at one place on its circumference 3.5 plate connector single-sided connector made of a circular plate with a flange along the circumference of one side of the plate 3.6 toothed-plate connector connector made of a plate with triangular teeth along th
33、e edges of the plate or with spikes on the plate; a toothed-plate connector may be double-sided or single-sided 4 Symbols In this European Standard, the following symbols are used with suitable subscripts where necessary: a width of cut; distance; offset distance, in millimetre; a1length of tongue;
34、distance between screw holes, in millimetre; a2depth of tongue; depth of countersink, in millimetre; a3depth of slot, in millimetre; d1diameter of centre hole (bolt-hole), in millimetre; d2diameter of screw holes; diameter of nail holes; diameter of inner teeth circle, in millimetre; d3outside diame
35、ter of hub; diameter of outer teeth circle, in millimetre; d4diameter of perforations, in millimetre; dcdiameter, diameter of plate; h1height of straight portion; height of straight portion outside of flange; height of hub above plate, in millimetre; hcheight; total height, in millimetre; r radius,
36、in millimetre; t thickness, thickness of plate; maximum thickness of plate and flange, in millimetre; t1minimum thickness of plate; thickness of plate, in millimetre; t2thickness of notch, in millimetre. DIN EN 912:2011-09 EN 912:2011 (E) 7 5 Requirements 5.1 General Connectors shall be marked in ac
37、cordance with Clause 6. Depending on the environmental conditions the connectors shall be given an anti-corrosion treatment of a type to be agreed between the purchaser and the manufacturer. 5.2 Classification and requirements of connectors The connectors are classified into the following four group
38、s: Group A Ring connectors; see Annex A; Group B Plate connectors; see Annex B; Group C Toothed-plate connectors; see Annex C; Group D Other connectors; see Annex D. The annexes A to D specify the dimensions and specifications for materials for these 4 groups. 6 Marking Every delivery unit shall be
39、marked by the manufacturer. The marking shall contain the number of this European Standard, i.e. EN 912 and the number of the connector according to the annex to this European Standard. Furthermore, the nominal dimension (e.g. the nominal diameter) shall be marked. DIN EN 912:2011-09 EN 912:2011 (E)
40、 8 Annex A (normative) Specifications for ring connectors A.1 Type A1 A.1.1 Description and dimensions A ring connector of type A1 (see Figure A.1) is a closed ring connector with a cross-sectional area like a lens. The dimensions shall comply with Table A.1. Figure A.1 Connector of type A1 DIN EN 9
41、12:2011-09 EN 912:2011 (E) 9 Table A.1 Dimensions of connectors of type A1 Dimensions in millimetres Diameter Height Thickness Radius dchct r 65 30 5 5080 30 6 50 95 30 6 60126 30 6 60 128 45 8 60160 45 10 60 190 45 10 60Tolerances on all dimensions: 0,5. A.1.2 Material Ring connectors of type A1 ar
42、e made of aluminium casting alloy EN AC-AlSi9Cu3(Fe) according to EN 1706. A.2 Type A2 A.2.1 Description and dimensions A ring connector of type A2 (see Figure A.2) is a connector with parallel sides cut at one place on its circumference to form a tongue and a slot. The dimensions shall comply with
43、Table A.2. DIN EN 912:2011-09 EN 912:2011 (E) 10 Figure A.2 Connector of type A2 Table A.2 Dimensions of connectors of type A2 Dimensions in millimetres Nominal diameter Diameter Height Thickness Length of tongue Depth of tongue Depth of slotdchct a1a2a364 72,0 19,0 4,1 9,0 6,5 7,0 Tolerances: Diame
44、ter dc 0,75 Thickness t 0,10 Other dimensions 0,25 A.2.2 Material Ring connectors of type A2 are made of hot or temper rolled steel strip of steel alloy HRMS Grade Fe430 according to EN 10025-1 to -6. DIN EN 912:2011-09 EN 912:2011 (E) 11 A.3 Type A3 A.3.1 Description and dimensions A ring connector
45、 of type A3 (see Figure A.3) is a connector with double bevelled sides cut at one place on its circumference to form a tongue and a slot. The dimensions shall comply with Table A.3. Key 1 round milled edge, radius r Figure A.3 Connector of type A3 DIN EN 912:2011-09 EN 912:2011 (E) 12 Table A.3 Dime
46、nsions of connectors of type A3 Dimensions in millimetres Nominal diameter Diameter Height Thickness Height of straight portion Radius Length of tongue Depth of tongue Depth of slot dchct h1r a1a2a364 72,0 19,0 4,1 6,5 1,5 9,0 6,5 7,0 102 112,0 25,4 4,9 8,3 1,7 9,0 8,3 9,0 Tolerances: Diameter dc 0,
47、75 Thickness t 0,10 Other dimensions 0,25 A.3.2 Material Ring connectors of type A3 are made of hot or temper rolled steel strip of steel alloy HRMS Grade Fe430A according to EN 10025-1 to -6. A.4 Type A4 A.4.1 Description and dimensions A ring connector of type A4 (see Figure A.4) is a connector wi
48、th double bevelled sides. In every connector except the smallest, a V-shaped cut is made at one place on its circumference. The angle between the direction of cut and the direction of circumference is 45. The dimensions shall comply with Table A.4. DIN EN 912:2011-09 EN 912:2011 (E) 13 Figure A.4 Co
49、nnector of type A4 DIN EN 912:2011-09 EN 912:2011 (E) 14 Table A.4 Dimensions of connectors of type A4 Dimensions in millimetres Diameter Height Thickness Radius Width of cut dchct r a 60 18 5 36 a80 22 6 48 2 100 26 7 60 2 120 30 8 72 2 140 36 9 84 4 160 40 10 96 4 180 46 10 108 4 200 50 11 120 4 Limit deviations: Diameter dc b0,15,0+Tolerances: Heigh
