1、 No part of this translation may be reproduced without the 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).Ref. No. DIN 19555:2003-04English price group 05 Sales No. 010503.
2、06Continued on pages 2 to 4.ICS 97.145Steigeisen fr einluge Steigeisengnge Steigeisen zum Einbau in BetonForewordThis standard has been prepared by Technical Committee V 1 Entwsserungsgegenstnde of the Normen-ausschuss Wasserwesen (Water Practice Standards Committee). It supplements DIN EN 13101, pr
3、epared by CEN/TC 165 Waste water engineering, which species general requirements and test methods for manhole step irons but does not include all relevant dimensions.See DIN V 1264 for the application of step irons in construction works for wastewater disposal.AmendmentsThis standard differs from DI
4、N V 19555, August 1994 edition, as follows.a) References have been updated.b) The standard is now based on DIN EN 13101 and DIN V 1264.c) For the application of step irons in manholes, reference is now made to DIN V 1264.Previous editionsDIN 19555: 1963-02DIN V 19555: 1990-10, 1991-01, 1994-0819555S
5、tep irons for straight manhole steps in in-situ concrete manholesTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.DEUTSCHE NORM April 2003Supersedes DIN V 19555, August 1994 edition.Page 2DIN 19555:2003-041 ScopeThis stand
6、ard shall only apply in conjunction with DIN EN 13101 and DIN V 1264. It species requirements for step irons for straight manhole steps of type D as in DIN EN 13101.2 Normative referencesThis standard incorporates, by dated or undated reference, provisions from other publications. These norma-tive r
7、eferences are cited at the appropriate places in the text, and the titles of the publications are listed below. For dated references, subsequent amendments to or revisions of any of these publications apply to this stand-ard only when incorporated in it by amendment or revision. For undated referenc
8、es, the latest edition of the publication referred to applies (including any amendments).DIN V 1264 Steps for underground man entry chambers Application in construction works for waste-water disposalDIN 8075 Polyethylene pipes General quality requirements and testingDIN 8078 Types 1, 2 and 3 polypro
9、pylene (PP) pipes General quality requirements and testingDIN EN 13101 Steps for underground man entry chambers Requirements, marking, testing and evalua-tion of conformityDIN EN ISO 7089 Plain washers Normal series Product grade A (ISO 7089:2000)3 Dimensions and designation3.1 GeneralStep irons for
10、 straight manhole steps shall be of type A or B as shown in gures 1 and 2. The design shown is for illustrative purposes only, but the dimensions shall be as specied.Treads shall have a patterned surface or be provided with a slip-resistant coating.Dimensions in millimetresSection BBSection AAKey to
11、 gure1 Tread surface2 CoatingFigure 1: Dimensions of type A step iron (notation)Page 3DIN 19555:2003-04Dimensions in millimetresKey to gure1 Tread surface2 Stop3 UpstandFigure 2: Dimensions of type B step iron (notation)Designation of a type A step iron (A) for straight manhole steps designed to be
12、tted into concrete manholes, made from stainless steel as in DIN EN 13101 (SSS):Step iron DIN 19555 A SSS3.2 Precast concrete manhole step ironsPrecast concrete manhole step irons shall have circular tails with an external diameter (including coating if ap-propriate) of (25 +00,5) mm (see gures 1 an
13、d 2).Drilled holes for xing step irons into concrete elements shall have an internal diameter of (25 +00,5) mm and a depth of (70 +50) mm.3.3 In-situ concrete manhole step ironsFor in-situ concrete manhole step irons, circular tails are not required.4 MaterialsThe specications of DIN EN 13101 and DI
14、N EN ISO 7089 shall apply.Step irons made from steel or aluminium alloys shall be resistant to corrosion. This shall be achieved by a plastics encapsulation consisting of UV-stabilized PE-HD (as used for pipes complying with DIN 8075) or of polypropylene copolymer (as used for PP-B or PP-R pipes com
15、plying with DIN 8078), or of an equivalent mate-rial of proven suitability. The plastics encapsulation shall have a minimum thickness of 2,5 mm at any point.5 Requirements, testing and inspectionThe specications of DIN EN 13101 and DIN V 1264 shall apply.Page 4DIN 19555:2003-04When subjected to the
16、vertical loading test as specied in DIN EN 13101, aluminium steps conforming to this standard shall meet the requirements for class I as specied in table 1 of DIN EN 13101:2003. Type B step irons made from grey cast iron shall comply, by analogy, with the strength requirements specied in DIN V 1264.
17、 Third party inspection shall be carried out as specied in Annex I of DIN EN 13101.6 MarkingThe specications of DIN EN 13101 shall apply. Step irons complying with this standard shall, in addition, be marked with the DIN number DIN 19555 and the letter A or B indicating the type.7 Arrangement and in
18、stallation of step ironsStep irons shall be arranged and installed as specied in DIN V 1264.Installation of step irons shall be carried out taking into account the manufacturers instructions.8 ApplicationStep irons shall be replaced if their coating or encapsulation is damaged to such an extent that
19、 the core mate-rial is no longer effectively protected.BibliographyDIN 1212-1 Step irons with upstand for staggered manhole steps Brickwork and in-situ concrete manhole step ironsDIN 1212-2 Step irons with upstand for staggered manhole steps Precast concrete manhole step ironsDIN 1212-3 Step irons with upstand for staggered manhole steps Bolt-on step irons
