EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
DRAFT prEN 10138-3 September 2000
老鹰的鹰组词ICS 77.140.65
English version
Prestressing steels - Part 3: Strand
Armatures de précontrainte - Partie 3: Torons Spannstähle - Teil 3: Litze
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ECISS/TC 19. If this draft becomes a European Standard, CEN 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.
This draft European Standard was established by CEN 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 the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
C O M I TÉE U R O PÉE N
D
E N O R M A LI S A T I O N
EUR OPÄIS C HES KOM ITEE FÜR NOR M UNG
Central Secretariat: rue de Stassart, 36 B-1050 Brusls
© 2000 CEN All rights of exploitation in any form and by any means rerved
worldwide for CEN national Members.
Ref. No. prEN 10138-3:2000 E
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鸡蛋托手工作品prEN 10138-3:2000
Contents Page 1Scope (4)
领导检查工作简报2Normative references (4)
3Terms and definitions (5)
4Designation (5)
5Manufacture (6)
6Requirements (8)
7Evaluation of conformity (10)
8Test methods (12)
9Delivery conditions (12)
Annex A (informative) Note on class of convenience (13)
Annex B (informative) Note on new higher tensile strand sizes for future development (14)
Page 3prEN 10138-3:2000
Foreword
This Part of this European Standard has been prepared by SC2 'Prestressing steels' of the Technical Committee EC SS/TC 19 'Concrete reinforcing and prestressing steels - Properties, dimensions,tolerances and specific tests' of which the Secretariat is held by BSI.
This European Standard has been prepared under mandate M115 given to CEN by the European Commission and the European Free Trade Association and supports esntial requirements of the EU Construction Products Directive (89/106/EEC).
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For relationship with the EU Construction Products Directive, e informative annex ZA, which is an integral part of Part 1 of this European Standard and by which it becomes a harmonized European Standard.
EN 10138 is published in four parts, the other parts being:
EN 10138-1, Prestressing steels — Part 1: General requirements
EN 10138-2, Prestressing steels — Part 2: Wire
EN 10138-4, Prestressing steels — Part 4: Bars
All products placed on the market within the European Union and EFTA must be certificated in accordance with annex ZA of Part 1 of this European Standard.
In accordance with the common rules of CEN/CENELEC the following member countries are obliged to adopt this standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany,Greece, I celand, I reland, I taly, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,Switzerland, United Kingdom.
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prEN 10138-3:2000
1
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This Part of this European Standard gives specific requirements for high tensile steel wire strand which has been given a stress relieving heat treatment.
It is applicable to strands of the following types:
a) 3-wire strand;
b) indented 3-wire strand;
c) 7-wire strand;
d) indented 7-wire strand;
e) 7-wire compacted strand.
党员自我总结鉴定NOTE General requirements are given in Part 1 of this European Standard.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this European Standard. For dated references, subquent amendments to, or revisions of, any of the publications do not apply. However, parties to agreements bad on this European Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions of the normative document referred to applies. Members of CEN/CENELEC maintain registers of currently valid European Standards.
EN 10016-4, Non-alloy rod for drawing and/or cold rolling —Part 4: — Specific requirements for rod for special applications
EN 10027-1, Designation system for steels — Part 1: Steel names, principal symbols
EN 10027-2, Designation system for steels — Part 2: Steel numbers
prEN 10138-1, Prestressing steels — Part 1: General requirements
小学四年级奥数题100道及答案CR 10260, Designation system for steel — Additional symbols
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prEN SO 15630-3, Steel for the reinforcement and prestressing of concrete — Test methods —Part 3: Prestressing steels
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prEN 10138-3:2000
3 Terms and definitions
For the purpos of this Part of this European Standard the terms and definitions given in prEN 10183-1 and the following apply.
3.1
unit of product
product of one coil as delivered to the customer
3.2
test unit
units of product coming from one t of coils in the stranding machine
4 Designation体弱多病
4.1For the steel grades covered by this Part of this European Standard the steel names shall be allocated in accordance with EN 10027-1 and CR 10260; the steel numbers shall be allocated in accordance with EN 10027-2.
4.2The designation shall consist of:
a) the number of this Part of this European Standard;
b) the steel name consisting of:
1) the letter Y for prestressing steel;
2) the nominal tensile strength in MPa;
3) the letter S for strand;
4) the number 3 or 7 to indicate the number of wires in the strand;
5) where appropriate, the letter G to indicate compacted strand;
c) the nominal diameter of the strand in mm;
d) Class A or B;
e) where necessary the letter I to indicate indented.
