1、February 2008DEUTSCHE NORM English price group 15No part of this standard 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).ICS 65.040.10; 91.100.30!
2、$K“1409493www.din.deDDIN EN 12737Precast concrete products Floor slats for livestockEnglish version of DIN EN 12737:2008-02Betonfertigteile Spaltenbden fr die TierhaltungEnglische Fassung DIN EN 12737:2008-02SupersedesDIN EN 12737:2004-11See start of validitywww.beuth.deDocument comprises 34 pages(i
3、ncludes Amendment A1:2007) (enthlt nderung A1:2007) DIN EN 12737:2008-02 2 Start of validity This standard is due to be valid from 1 July 2008. It should be noted that, in Germany, CE conformity marking of construction products will be permitted once this standard has been listed in the Bundesanzeig
4、er (German Federal Law Gazette) and from the date given therein. National foreword This standard has been prepared by Technical Committee CEN/TC 229 “Precast concrete products” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Bui
5、lding and Civil Engineering Standards Committee), Technical Committee NA 005-07-81 AA Stallfuboden; Spalten-bden. Amendments This standard differs from DIN EN 12737:2004-11 as follows: a) The Foreword now includes the information that this standard has been prepared under a mandate. b) A new subclau
6、se 4.3.4 “Resistance and reaction to fire” has been added. c) Annexes Y and ZA have been included. Previous editions DIN 18908: 1970-09, 1980-11, 1992-05 DIN EN 12737: 2004-11 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12737:2004+A1 October 2007 ICS 65.040.10; 91.100.30 Supersedes EN 12737
7、:2004 English Version Precast concrete products - Floor slats for livestock Produits prfabriqus en bton - Caillebotis pour btail Betonfertigteile - Spaltenbden fr die Tierhaltung This European Standard was approved by CEN on 24 June 2004 and includes Amendment 1 approved by CEN on 30 August 2007. CE
8、N 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 app
9、lication to the CEN 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 Management Centre
10、 has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
11、 Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by an
12、y means reserved worldwide for CEN national Members. Ref. No. EN 12737:2004+A1:2007: EEN 12737:2004+A1:2007 (E) 2 Contents !The numbering of clauses is strictly related to EN 13369:2004, Common rules for precast concrete products, at least for the first three digits. When a clause of EN 13369:2004 i
13、s not relevant or included in a more general reference of this standard, its number is omitted and this may result in a gap on numbering.“ Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Requirements.6 4.1 Material requirements .6 4.2 Production requirements 6 4.3 Finished
14、product requirements7 5 Test methods14 5.1 Compressive strength.14 5.2 Geometrical characteristics14 5.3 Cement content14 5.4 Water/cement ratio.14 5.5 Water absorption .14 6 Evaluation of conformity.14 7 Marking .14 8 Documentation.14 B.1 General16 B.2 Non-certified products 17 B.3 !Y.1 General18 Y
15、.2 Method 1 .18 Y.3 Method 2 .18 Y.4 Method 3 .18 !Requirements of EU Directive 89/109/EEC, EU Construction Products Directive19 ZA.1 Scope and relevant characteristics .19 ZA.2 Procedure for attestation of conformity of floor slats .21 ZA.2.1 System of attestation of conformity 21 ZA.2.2 EC Certifi
16、cate and Declaration of conformity.22 ZA.3 CE marking and labelling23 ZA.3.1 General23 ZA.3.2 Declaration of geometrical data and material properties 25 ZA.3.3 Declaration of product properties26 ZA.3.4 Declaration of compliance with a given design specification 30 Bibliography 32 Certified products
17、17 Annex Y (informative) !Choice of CE marking method18 Annex ZA (informative) Relationship between this European Standard and the Essential Annex B (normative) Acceptance testing of a consignment at delivery16 Annex A (normative) Additional scheme for finished product inspection .15 Page DIN EN 127
18、37:2008-02 EN 12737:2004+A1:2007 (E) 3 Foreword This document (EN 12737:2004+A1:2007) has been prepared by Technical Committee CEN/TC 229 “Precast concrete products”, the secretariat of which is held by AFNOR and was examined by and agreed with a joint working party appointed by the Liaison Group CE
19、N/TC 229-TC250, particularly for its compatibility with structural Eurocodes. 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 April 2008, and conflicting national standards shall be withdrawn at t
20、he latest by July 2009. This document supersedes EN 12737:2004. This document includes Amendment 1, approved by CEN on 2007-08-30. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. !deleted text“ !This document has been prepared under a mandate give
21、n to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of the Construction Products Directive (89/106/EEC). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.“ This document is consist
22、ent with the Council Directive 2001/88/EC of 23 October 2001 amending Directive 91/630/EEC laying down minimum standards for the protection of pigs. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European
23、 Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kin
24、gdom. DIN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 4 1 Scope This document specifies the requirements for reinforced and prestressed precast concrete floor slats used in slatted floors for the housing of livestock and provides for the evaluation of conformity of these products. This document does
25、not cover slats for loadings other than stock and stockmen. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (i
26、ncluding any amendments) applies. EN 13369:2004, Common rules for precast concrete products 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13369:2004 and the following apply. 3.1 floor slat floor component suitable for use by livestock situated above
27、 a slurry pit or channel and provided with openings for the draining of slurry, feed and straw waste to the slurry pit or channel underneath (see Figure 1) 3.2 slat beam single beam used as a floor slat 3.3 twin slat assembly of two parallel spaced beams, mutually linked by means of two or more tran
28、sversal connections, perpendicular to the longitudinal direction of those beams used as a floor slat 3.4 multiple slat assembly of two or more parallel spaced beams, mutually linked by means of two or more transversal connections, perpendicular to the longitudinal direction of those beams, and/or wi
29、th a perforated slab in between used as a floor slat 3.5 perforated panel panel with a regular pattern of holes used as a floor slat 3.6 load class class of floor slats according to the type of stock and mass of animal (see Table 3) DIN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 5 3.7 acceptance num
30、ber highest number of nonconforming products for which the consignment is accepted 3.8 rejection number smallest number of nonconforming products for which the consignment is rejected a) Slat beams b) Twin slats c) Multiple slats d) Perforated panels Figure 1 Examples of floor slats DIN EN 12737:200
31、8-02 EN 12737:2004+A1:2007 (E) 6 4 Requirements 4.1 Material requirements 4.1.1 General Subclause 4.1.1 of EN 13369:2004 shall apply. 4.1.2 Constituent materials of concrete Subclause 4.1.2 of EN 13369:2004 shall apply, provided that high alumina and super-sulphated cement are not used. Special cons
32、ideration shall be given to aggregates which may become slippery under the abrasion of hooves. 4.1.3 Reinforcing steel 4.1.3.1 Bars, coils and welded fabric Subclause 4.1.3 of EN 13369:2004 shall apply. 4.1.3.2 Lattice girders The suitability of lattice girders shall be verified following 4.1.1 of E
33、N 13369:2004. 4.1.4 Prestressing steel Subclause 4.1.4 of EN 13369:2004 shall apply. 4.2 Production requirements 4.2.1 Concrete production Subclause 4.2.1 of EN 13369:2004 shall apply. 4.2.2 Hardened concrete Subclause 4.2.2 of EN 13369:2004 shall apply, provided that the strength class is at least
34、C35/45 for reinforced concrete and at least C 45/55 for prestressed concrete. 4.2.3 Structural reinforcement Subclause 4.2.3 of EN 13369:2004 and the following shall apply. The reinforcement shall be positioned correctly throughout the component. The longitudinal reinforcement of reinforced concrete
35、 components shall continue to less than 10 mm and more than 25 mm before the head-end of the component. The exposed ends of prestressing tendons shall be protected. DIN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 7 4.3 Finished product requirements 4.3.1 Geometrical characteristics 4.3.1.1 Dimensions
36、 The nominal length of the floor slat shall be declared by the manufacturer. The nominal sizes of the beam width and gap width between beams, or for perforated slabs the diameter of round holes shall be as given in Table 1 (see also Figure 2). Table 1 Nominal sizes for floor slats (dimensions in mil
37、limetres) Load class Beam width (b) Gap width (s) Hole diameter (d) A1 70 - 120 20 - 28 30 A2 70 - 160 30 - 35 A3 70 - 180 30 - 40 50 B1 50 - 80 10 14 a 20 B2 80 - 120 14 - 18 B3 80 - 120 14 - 20 25 aFor piglets, the maximum gap width is 11 mm (see Council Directive 2001/88/EC of 23 October 2001). D
38、IN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 8 Key r 5 mm for load class A 5 h1(mm) 20 3 mm for load class B 88 90 5 Figure 2 Geometry of slat beam sections 4.3.1.2 Dimensional tolerances The maximum permitted dimensional deviations of length ( l), height ( h), beam width ( b) or gap width ( s) and
39、 diameter ( d) of round holes shall be as given in Table 2. Table 2 Maximum permitted dimensional deviations (dimensions in millimetres) Maximum permitted deviation Load class l h b = s d A1 3 A2 A3 + 0 10 3 5 5 B1 2 2 B2 B3 + 0 6 3 3 3 DIN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 9 4.3.1.3 Shape
40、of the gaps The inclination of the side faces of the openings in floor slats shall conform to Figure 2 so as to enable efficient slurry drainage. The top of the beams shall have no sharp edges. Where radius or chamfer are provided these shall not exceed 5 mm for load class A and 3 mm for load class
41、B. 4.3.1.4 Flatness The upper face of the floor slats shall be flat across the width. The flatness of end supported floor slats subjected only to their self weight shall conform to the following: for reinforced concrete components the upper face of the component shall not deviate more than 5 mm from
42、 the connection line between the upper faces at the ends; for prestressed concrete components the vertical camber along the length of the component shall not deviate from the declared camber by more than 5 mm. 4.3.2 Surface characteristics Before use, the upper face and edges shall be free from burr
43、s and projections. At departure from the factory, slats shall show no cracks with a width greater than 0,1 mm. 4.3.3 Mechanical resistance 4.3.3.1 General Subclause 4.3.3.1 of EN 13369:2004 shall apply. 4.3.3.2 Loads Table 3 gives the classification of the slats for livestock housing defined on the
44、base of type of stock and mass of animals. DIN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 10 !Table 3“ Classification of floor slats for livestock housing Load class Type of stock Mass of animal (kg) A1 Calves 200 A2 A3 Cattle 200 - 825 B1 Piglets and weaner pigs 40 B2 Rearing and finishing pigs, sh
45、eep and goats 20 - 125 B3 Gilts after service, sows and boars, sheep and goats 25 - 250 NOTE 1 Mass of animal relates to the average of a group. The mass of a single animal can exceed the tabulated mass by up to 15 %. NOTE 2 Type of livestock not mentioned in this table should be classified accordin
46、g to their mass. Floor slats for use solely by stock and stockmen shall be designed in accordance with the indicated vertical and horizontal variable characteristic loads. Self weight of floor slats and other additional loads (e.g. self weight of pen partitions, feeding troughs, .) shall be dealt wi
47、th in the design. The following variable characteristic loads shall be taken: a vertical characteristic linear load qk; a vertical characteristic point load Fk,v; a horizontal characteristic point load Fk,h. Values of qk, Fk,vand Fk,hshall be as given in Table 4. For single beams these values shall
48、be multiplied by 1,1. !Table 4“ Characteristic loading values Load class Linear load qk(kN/m) Vertical point load Fk,v(kN) Distance a (m) Horizontal point load Fk,h(kN) A1 2,5 1,2 0,5 0,5 A2 5,0 4,2 0,8 2,5 A3 5,0 4,2 0,8 2,5 B1 0,8 0,8 0,3 0,1 B2 1,5 1,0 0,5 0,5 B3 2,5 1,3 0,5 1,0 The given loading
49、 values include possible dynamic effects. DIN EN 12737:2008-02 EN 12737:2004+A1:2007 (E) 11 NOTE Special consideration in design should be given to loading values for stock with a mass of animal greater than the maximum values of load classes A2/A3 and B3. 4.3.3.3 Design by calculation 4.3.3.3.1 General Subclause 4.3.3.2 !deleted text“ of EN 13369:2004 and the following shall apply. 4.3.3.3.2 Load cases The following load cases shall be taken into account separately: a) A combi
