1、February 2011 Translation by DIN-Sprachendienst.English price group 16No 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).I
2、CS 77.140.15!$my2“1748615www.din.deDDIN EN ISO 15630-3Steel for the reinforcement and prestressing of concrete Test methods Part 3: Prestressing steel (ISO 15630-3:2010)English translation of DIN EN ISO 15630-3:2011-02Sthle fr die Bewehrung und das Vorspannen von Beton Prfverfahren Teil 3: Spannsthl
3、e (ISO 15630-3:2010)Englische bersetzung von DIN EN ISO 15630-3:2011-02Aciers pour larmature et la prcontrainte du bton Mthodes dessai Partie 3: Aciers de prcontrainte (ISO 15630-3:2010)Traduction anglaise de DIN EN ISO 15630-3:2011-02SupersedesDIN EN ISO 15630-3:2002-08www.beuth.deDocument comprise
4、s pagesIn case of doubt, the German-language original shall be considered authoritative.3603.11 DIN EN ISO 15630-3:2011-02 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 17 “Steel”, Subcommittee SC 16 “Steels for the reinforce
5、ment and prestressing of concrete” and has been taken over by Technical Committee ECISS/TC 104 “Concrete reinforcing and prestressing steels” (Secretariat: DIN, Germany) as a European Standard. The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Iron and
6、Steel Standards Committee), Working Committee NA 021-00-03 AA Betonstahl und Spannstahl. DIN EN ISO 15630 consists of the following parts, under the general title Steel for the reinforcement and prestressing of concrete Test methods: Part 1: Reinforcing bars, wire rod and wire Part 2: Welded fabric
7、Part 3: Prestressing steel Amendments This standard differs from DIN EN ISO 15630-3:2002-08 as follows: a) Table 1 “Symbols” has been revised; b) the NOTE in Clause 4 “General provisions concerning test pieces” has been included in the text; c) Subclauses 5.1 “Test piece” and 5.3.1 “General” have be
8、en rendered more precise and the notes in 5.3.1 have been included in the text; d) a footnote has been included in Subclause 5.3.1 “General”; e) the NOTE in Subclause 6.3 “Test procedure” has been deleted; f) Subclause 6.4 “Interpretation of test results” has been rendered more precise; g) Subclause
9、 8.4.8 “Frequency of strain recording” has been included; h) Subclause 9.4.6 “Termination of the test” has been deleted; i) Subclause 10.3.5 “Test solution” has been revised and a warning note has been added; j) in Subclause 11.3.5 “Loading device” an expression in brackets has been added; k) Subcla
10、use 13.3.1.6 “Width of transverse rib (b)” has been added; l) Subclause 13.3.2.4 “Length of indentation (l)” has been added; m) the formulae in Clause 14 “Determination of the relative rib area (fB)” have been revised; n) Figure 8 “Determination of the area of the longitudinal section, FR” has been
11、added; DIN EN ISO 15630-3:2011-02 3 o) a Bibliography has been added; p) the standard has been editorially revised. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 4957 DIN EN ISO 4957 ISO 6508-1 DIN EN ISO 6508-1 ISO 6892-1 DIN EN ISO
12、6892-1 ISO 7500-1 DIN EN ISO 7500-1 ISO 7801 DIN ISO 7801 ISO 9513 DIN EN ISO 9513 Previous editions DIN EN ISO 15630-3: 2002-08 National Annex NA (informative) Bibliography DIN EN ISO 4957, Tool steels DIN EN ISO 6508-1, Metallic materials Rockwell hardness test Part 1: Test method (scales A, B, C,
13、 D, E, F, G, H, K, N, T) DIN EN ISO 6892-1, Metallic materials Tensile testing Part 1: Method of test at room temperature DIN EN ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/ compression testing machines Verification and calibration of the force-mea
14、suring system DIN EN ISO 9513, Metallic materials Calibration of extensometers used in uniaxial testing DIN ISO 7801, Metallic aterials Wire Reverse bend test mDIN EN ISO 15630-3:2011-02 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15630-3 October 2010
15、ICS 77.140.15 Supersedes EN ISO 15630-3:2002English Version Steel for the reinforcement and prestressing of concrete Test methods Part 3: Prestressing steel (ISO 15630-3:2010) Aciers pour l armature et la prcontrainte du bton Mthodes d essai Partie 3: Aciers de prcontrainte (ISO 15630-3:2010) Sthle
16、fr die Bewehrung und das Vorspannen von Beton Prfverfahren Teil 3: Spannsthle (ISO 15630-3:2010) This European Standard was approved by CEN on 14 October 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard t
17、he 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 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, Ger
18、man). 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 has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cypru
19、s, 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 United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMI
20、T EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15630-3:2010: EContents Page Foreword4 Introduction .5 1 Scope 6
21、 2 Normative references 6 3 Symbols 7 4 General provisions concerning test pieces 9 5 Tensile test .9 5.1 Test piece .9 5.2 Test equipment 9 5.3 Test procedure.9 5.3.1 General9 5.3.2 Determination of the modulus of elasticity.10 6 Bend test.10 6.1 Test piece .10 6.2 Test equipment 11 6.3 Test proced
22、ure.11 6.4 Interpretation of test results .11 7 Reverse bend test11 7.1 Test piece .11 7.2 Test equipment 12 7.3 Test procedure.12 8 Isothermal stress relaxation test12 8.1 Principle of test12 8.2 Test piece .13 8.3 Test equipment 13 8.3.1 Frame 13 8.3.2 Force-measuring device .13 8.3.3 Length-measu
23、ring device (extensometer) 13 8.3.4 Anchoring device.13 8.3.5 Loading device.13 8.4 Test procedure.13 8.4.1 Provisions concerning the test piece13 8.4.2 Application of force .14 8.4.3 Initial force14 8.4.4 Force during the test .15 8.4.5 Maintenance of strain15 8.4.6 Temperature .15 8.4.7 Frequency
24、of force recording.15 8.4.8 Frequency of strain recording15 8.4.9 Duration of the test15 9 Axial force fatigue test 16 9.1 Principle of test16 9.2 Test piece .16 9.3 Test equipment 16 9.4 Test procedure.17 9.4.1 Provisions concerning the test piece17 9.4.2 Stability of force and frequency.17 2 DIN E
25、N ISO 15630-3:2011-02 EN ISO 15630-3:2010 (E) 9.4.3 Counting of force cycles.17 9.4.4 Frequency.17 9.4.5 Temperature.17 9.4.6 Validity of the test17 10 Stress corrosion test in a solution of thiocyanate.17 10.1 Principle of test17 10.2 Sample and test piece.17 10.3 Test equipment 18 10.3.1 Frame18 1
26、0.3.2 Force-measuring device .18 10.3.3 Time-measuring device.18 10.3.4 Cell containing the test solution18 10.3.5 Test solution 18 10.4 Test procedure.19 10.4.1 Provisions concerning the test pieces19 10.4.2 Application and maintenance of force 19 10.4.3 Filling of the cell 19 10.4.4 Temperature du
27、ring the test.19 10.4.5 Termination of the test19 10.4.6 Determination of median lifetime to fracture (ft ) 20 11 Deflected tensile test.20 11.1 Principle of test20 11.2 Sample and test piece.20 11.3 Test equipment 20 11.3.1 General description.20 11.3.2 Dimensions 20 11.3.3 Anchorages21 11.3.4 Mand
28、rel.21 11.3.5 Loading device 23 11.4 Test procedure.23 12 Chemical analysis .23 13 Measurement of the geometrical characteristics.23 13.1 Test piece .23 13.2 Test equipment 24 13.3 Test procedures.24 13.3.1 Rib measurements 24 13.3.2 Indentation measurements.25 13.3.3 Lay length of strand (P).25 13.
29、3.4 Straightness.25 14 Determination of the relative rib area (fR) .26 14.1 General .26 14.2 Calculation of fR.26 14.2.1 Relative rib area.26 14.2.2 Simplified formulae .28 14.2.3 Formula used for the calculation of fR28 15 Determination of deviation from nominal mass per metre .28 15.1 Test piece .
30、28 15.2 Accuracy of measurement28 15.3 Test procedure.28 16 Test report29 Bibliography30 3 DIN EN ISO 15630-3:2011-02 EN ISO 15630-3:2010 (E) Foreword The text of ISO 15630-3:2010 has been prepared by Technical Committee ISO/TC 17 “Steel” of the International Organization for Standardization (ISO) a
31、nd has been taken over as EN ISO 15630-3:2010 by Technical Committee ECISS/TC 104 “Concrete reinforcing and prestressing steels” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsem
32、ent, at the latest by April 2011, and conflicting national standards shall be withdrawn at the latest by April 2011. 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
33、any or all such patent rights. This document supersedes EN ISO 15630-3:2002. According to the CEN/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,
34、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 Kingdom. Endorsement notice The text of ISO 15630-3:2010 has been
35、approved by CEN as a EN ISO 15630-3:2010 without any modification. 4 DIN EN ISO 15630-3:2011-02 EN ISO 15630-3:2010 (E) Introduction The aim of ISO 15630 is to provide all relevant test methods for reinforcing and prestressing steels in one standard. In that context, the existing International Stand
36、ards for testing these products have been revised and updated. Some further test methods have been added. Reference is made to International Standards on the testing of metals, in general, as they are applicable. Complementary provisions have been given if needed. 5 DIN EN ISO 15630-3:2011-02 EN ISO
37、 15630-3:2010 (E) 1 Scope This part of ISO 15630 specifies test methods applicable to prestressing steels (bar, wire or strand) for concrete. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited
38、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 4957, Tool steels ISO 6508-1, Metallic materials Rockwell hardness test Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) ISO 6892-1, Metallic materials Tensile testing
39、Part 1: Method of test at room temperature ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/ compression testing machines Verification and calibration of the force-measuring system ISO 7801:1984, Metallic materials Wire Reverse bend test ISO 9513, Metal
40、lic materials Calibration of extensometers used in uniaxial testing 6 DIN EN ISO 15630-3:2011-02 EN ISO 15630-3:2010 (E) 3 Symbols The symbols used in this part of ISO 15630 are given in Table 1. Table 1 Symbols Symbol Unit Description Reference ammm Rib height at the mid-point 13.3, 14.2 amaxmm Max
41、imum height of rib or depth of indentation 13.3 as, imm Average height of a portion i of a rib subdivided into p parts of length l 14.2 a1/4mm Rib height at the quarter-point 13.3, 14.2 a3/4mm Rib height at the three-quarters point 13.3, 14.2 A % Percentage elongation after fracture 5.1, 5.3 Agt% Pe
42、rcentage total elongation at maximum force Clause 5 b mm Width of transversal rib at the mid-point 13.3.1.6 c mm Rib or indentation spacing 13.3 C mm Groove width at nominal diameter of the mandrel, da, used for the deflected tensile test 11.3.4 d mm Nominal diameter of the bar, wire or strand 5.3.1
43、, 7.2, 9.2, 9.4.6, 10.3.4 damm Nominal diameter of the mandrel used for the deflected tensile test 11.3.4 dbmm Diameter with 2 gauge cylinders in the groove of the mandrel used for the deflected tensile test 11.3.4 demm Diameter of the gauge cylinder used for the deflected tensile test 11.3.4 dgmm D
44、iameter of guide hole 7.2 dimm Inner diameter of the groove of the mandrel used for the deflected tensile test 11.3.4 D % Average coefficient of reduction of the maximum force in the deflected tensile test 11.2, 11.4 Dcmm Inner diameter of the cell in the stress corrosion test 10.3.4 Di% Individual
45、percentage of reduction of the maximum force in the deflected tensile test 11.4 Dmmm Diameter of the mandrel of the bending device in the bend test 6.2.1 e mm Average gap between two adjacent ribs or indentation rows 13.3.1.4, 13.3.2.5 E MPa Modulus of elasticity 5.2, 5.3 f Hz Frequency of force cyc
46、les in the axial force fatigue test 9.1, 9.4.2 fR Relative rib area Clause 14 Fa, iN Individual breaking force in the deflected tensile test 11.4 FmN Maximum force in the tensile test 5.3 mF N Mean value of the maximum force 8.2, 10.2, 11.2, 11.4 Fp0,1N 0,1 % proof force, non-proportional extension
47、5.2, 5.3 Fp0,2N 0,2 % proof force, non-proportional extension 5.2, 5.3 FrN Force range in the axial force fatigue test 9.1, 9.3, 9.4.2 7 DIN EN ISO 15630-3:2011-02 EN ISO 15630-3:2010 (E) Table 1 (continued) Symbol Unit Description Reference FrtN Residual force in the test piece at time t in the rel
48、axation test 8.1 FrtN Force loss in the test piece at time t in the relaxation test 8.1 FRmm2Area of longitudinal section of one rib 14.2 FupN Upper force in the axial force fatigue test 9.1, 9.3, 9.4.2 F0N Initial force in the isothermal stress relaxation test and the stress corrosion test 8.1, 8.2
49、, 8.3, 8.4, 10.1, 10.2, 10.4.2 G mm Depth of the groove of the mandrel used for the deflected tensile test 11.3.4 h mm Distance from the top tangential plane of cylindrical supports to the bottom face of the guide 7.2 hbmm Bow height in the plane of the bow 13.3.4 l mm Length of indentation 13.3.2.4 Ltmm Length of the test piece in the stress corrosion test 10.2 L0mm Gauge length (without force on the test piece) in the isothermal stress relaxation test Length of the test piece in cont
