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    BS EN 524-1-1997 Steel strip sheaths for prestressing tendons - Test methods - Determination of shape and dimensions《预应力钢丝索用钢带护套 试验方法 形状及尺寸的测定》.pdf

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    BS EN 524-1-1997 Steel strip sheaths for prestressing tendons - Test methods - Determination of shape and dimensions《预应力钢丝索用钢带护套 试验方法 形状及尺寸的测定》.pdf

    1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 524-1 : 1997 The Eu

    2、ropean Standard EN 524-1 : 1997 has the status of a British Standard ICS 77.140.75; 91.080.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Steel strip sheaths for prestressing tendons Test methods Part 1. Determination of shape and dimensionsThis British Standard, having be

    3、en prepared under the direction of the Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 November 1997 BSI 1997 ISBN 0 580 28666 5 BS EN 524-1 : 1997 Amendments issued since publication Amd. No. Date Text affected Na

    4、tional foreword This British Standard is the English language version of EN 524-1 : 1997. The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/2, Structural use of concrete, which has the responsibility t

    5、o: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations repr

    6、esented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Corresponde

    7、nce Index, or by using the Find facility of the BSI Standards Electronic Catalogue. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, an EN title page, pages 2 to 4, an inside b

    8、ack cover and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 Copyright reserved to CEN members. Ref. No. EN 524-1 : 1997 E EUROPEAN STANDARD EN 524-1 NORME EURO

    9、PE ENNE EUROPA ISCHE NORM March 1997 ICS 77.140.75; 91.080.40 Descriptors: Prestressed concretes, tubes, sheathing, prestressing steels, classifications, specification, verifications, marking English version Steel strip sheaths for prestressing tendons Test methods Part 1: Determination of shape and

    10、 dimensions Gaines en feuillard dacier pour ca bles de pre contrainte Me thodes dessai Partie 1: De termination de la forme et des dimensions Hu llrohre aus Bandstahl fu r Spannglieder Pru fverfahren Teil 1: Ermittlung der Formen und Mae This European Standard was approved by CEN on 1997-01-27. CEN

    11、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 appli

    12、cation to the Central Secretariat 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 Central Secretariat has t

    13、he same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 524-1 : 1997 BSI 1997 For

    14、eword This European Standard has been prepared by Technical Committee CEN/TC 104, Concrete (performance, production, placing and compliance criteria), the Secretariat of which is held by DIN. This standard is a part of the series EN 524 Sheaths for prestressing tendons Test methods which additionall

    15、y comprises the following Parts Part 2 Determination of flexural behaviour Part 3 To-and-fro bending test Part 4 Determination of lateral load resistance Part 5 Determination of tensile load resistance Part 6 Determination of leaktightness (Determination of water loss) These European standards apply

    16、 to EN 523 Steel strip sheaths for prestressing tendons Terminology, requirements, quality control. 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 September 1997, and conflicting national standar

    17、ds shall be withdrawn at the latest by September 1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Ital

    18、y, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Apparatus and accuracy 3 4 Internal diameter, height of profile and wall thickness of sheaths 3 5 Relative volume of profile 3Page 3 EN 524-1

    19、 : 1997 BSI 1997 1) It is recommended that the specimen length chosen is such that the specimen can be used for the other test. 1 Scope This European Standard specifies the procedure for determining the shape and dimensions of sheaths for prestressing tendons which comply with EN 523. 2 Normative re

    20、ferences This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of

    21、these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 523 Steel strip sheaths for prestressing tendons Terminology, requirements, quality control 3 Apparatus and a

    22、ccuracy A possible test device is shown in figure 2 The procedure to determine the relative volume of profile (V rel ) shall allow for an accuracy of 5 % Vernier calliper (accuracy of 0,1 mm) Micrometer gauge (accuracy of 0,01 mm) 4 Internal diameter, height of profile and wall thickness of sheaths

    23、The internal diameter, d 1 , and the height of profile, h, shall be determined by means of a vernier calliper using the specimen described in clause 5. Measurements shall be taken at both ends of the specimen in two directions at right angles to one another (see figure 1) before the specimen is seal

    24、ed. The mean values shall be calculated from the values obtained. The wall thickness shall be measured by a micrometer gauge at least at four different points. 5 Relative volume of profile A test specimen with a length of at least l = 500 mm 1) shall be sealed at one end so that it is watertight. Th

    25、e total volume V tot of the hollow space inside the specimen shall be determined by filling the specimen with water and then measuring the content (see figure 2). The volume V ref and the surface area A ref of the reference cylinder shall be calculated from the mean internal diameter d 1 as describe

    26、d in clause 4 and the length l of the test specimen. The relative volume of the profile (V rel ) measured in cm 3 /cm 2 is calculated using the following equation: V rel = V tot 2 V ref A ref where A ref (= p 3 d 1 3 l) is the surface area of the reference cylinder (in cm 2 ); V ref is the volume of

    27、 the reference cylinder (in cm 3 ); V tot is the volume of water in the specimen (in cm 3 ). Figure 1. Internal diameter, height of profile and wall thickness of sheathsPage 4 EN 524-1 : 1997 BSI 1997 Figure 2. Test set-up for determining the total volumeblankBSI 389 Chiswick High Road London W4 4AL

    28、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the

    29、independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure tha

    30、t they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible,

    31、the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, internationa

    32、l and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise request

    33、ed. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services.

    34、 Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 02

    35、0 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored

    36、in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade

    37、designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.


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