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1、JAPANESE I N D U STR I AL STANDARD Translated and Published by Japanese Standards Association Uncoated st ress-relieved steel wires and strands for prestressed concrete . IC$ 77.140.15; 77.140.65 Descriptors : wires, stress relieving, unalloyed steels, high-carbon steels, strands, Reference number :
2、 J I 6 G 3536 : 1999 (E) prestressed concrete, reinforcing steels 7s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted without license from
3、 IHS -,-,- STD.JIS G 3536-ENGL 1999 = 4933b08 056221b OBb G 3536 : 1999 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the Minister of International Trade and Industry through deliberations at Japanese Industrial Standards Committee in accordanc
4、e with the Industrial Standardization Law. Consequently JIS G 3536 : 1994 is replaced with JIS G 3536 : 1999. In this revision, by the request of users side, which has been proved no technical problem, 28.6 mm is adopted for the type of 19-wire strand of strands for prestressed concrete. Date of Est
5、ablishment: 1960-03-01 Date of Revision: 1999-05-20 Date of Public Notice in Official Gazette: 1999-05-20 Investigated by: Japanese Industrial Standards Committee Divisional Council on Iron and Steel JIS G 3536 : 1999, First English edition published in 2000-04 Translated and published by: Japanese
6、Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. Y o 8 JSA 2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in a
7、ny form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resa
8、le, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS G 3536-ENGL 1999 4933b08 05b2217 T12 JAPANESE INDUSTRIAL STANDARD JIS G 3636 : 1999 Uncoated stress-relieved steel wires and strands for prestressed concrete 4 1 Scope This Japanese Industrial S
9、tandard specifies the uncoated stress-relieved steel wires (hereafter referred to as ”wires”), and strands (hereafter referred to as “strands”) to be used for prestressed concrete. T 2 Normative references The following standards contain provisions which, through reference in this Standard, constitu
10、te provisions of this Standard. The most recent editions of the standards indicated below shall be applied. JIS G 3502 Piano wire rods JIS G 3525 Wire ropes JIS Z 2241 Method of tensile test for metallic materials 3 Definitions The definitions of the main terms used in this Standard shall be as foll
11、ows: a) uncoated stress-relieved steel wires for prestressed concrete The wires produced as follows: After patenting wire rods specified in JIS G 3502, the wire rods are cold worked, and processed by bluing in order to release residual strain in the final process. b) uncoated stress-relieved steel s
12、trands for prestressed concrete The strands produced as follows: After patenting wire rods specified in JIS G 3502, the wires processed by cold working are twisted, and processed by bluing in or- der to release residual strain in the final process. 4 Types, symbols and designations 4.1 be classified
13、 into ten types. Their symbols shall be as given in Table 1. Types and symbols Wires shall be classified into six types, and strands shall Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07
14、:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- Table 1 Types and symbols I Type Symbol Section 4.2 PC Wires PC Stra.nds Round wire C l a s s A SWPRlAN, SWPRlAL O C l a s s E SWPRIBN, SWPRlBL O Deformed wire SWPDlN, SWPDlL O 1 2-wirestrand SWPRZIV, SWPRPL 8 Deformed
15、3-wire strand 7-wire strand C l a s s A class B 19-wire strand Designations Designations of wires and strands shall be as given in Table 2. SWPD3K, SWPD3L & SWPRIAN, SWPRAL % SWPRBS, SWPRIBL SWPRIBN, SWPRl9L Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS
16、Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 G 3536 : 1999 Table 2 Designation * Symbol SWPRlBN SWPRlBL SWPDlN SWPDlL 4 SWPRBN I SWPR2L SWPD3N SWPR7AL SWPR7BN SWPR7BL SWPR19N SWPR19L Designatio
17、n (2.9 mm) (4 mm) 5 mm (6 mm) 7mm 8mm 9mm 2.9 mm 2-wire strand 2.9 mm 3-wire strand 9.3 mm 7-wire strand, 10.8 mm 7-wire strand 12.4 mm 7-wire strand, 15.2 mm 7-wire strand 9.5 mm 7-wire strand, 11.1 mm 7-wire strand 12.7 mm 7-wire strand, 15.2 mm 7-wire strand 17.8 mm 19-wire strand, 19.3 mm 19-wir
18、e strand 20.3 mm 19-wire strand, 21.8 mm 19-wire strand 28.6 mm 19-wire strand Remarks : Wires of designation except those given in the pa- rentheses should be preferably used. 5 Mechanical property The mechanical properties of wires and strands shall be tested in accordance with the provisions in 1
19、 0 . 1 , 1 0 . 2 and 1 0 . 3 and the values obtained shall conform to those given in Table 3. 6 Shape, dimension and tolerance Shape The shape of wires and strands shall be as given in the following: When the strand is cut without binding, it shall not be unraveled. The construction of 19-wire stran
20、d shall be of the Seale type or the Warrington type only for 28.6 mm. The 19-wire strand other than that shall be of the Seale type. The Seale type and the Warrington type shall be as given in JI$ G 3525. The length of stranding of the strand shall be uniform in each part of the strand, and shall be
21、 24 times to 32 times the standard diameter of 2-wire strand given in Table 4 for 2-wire strand and deformed 3-wire strand, and be 12 times to 18 times the standard diameter of respective strands given in Table 4 for 7-wire strand and 19-wire strand. The deformed wires shall have approximately round
22、 section and be provided with uniform ribs or indentations continuously or at regular intervals. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking pe
23、rmitted without license from IHS -,-,- 4 G 3536 : 1999 strand 2.9 mm 3-wire strand 6.2 Dimension and tolerance The dimensions of the wires (except the deformed) and the strands shall be measured in accordance with 10.4 and the tolerances shall be as given in Table 4. The core wire diameter of 7-wire
24、 strand shall be larger than those of side wires and the difference between them shall be as given in Table 4. 33.8 min. 38.2 min. 3.5 min. 8.0 max. 2.5 max. In addition, the standard diameters of SWPRlAN, SWPRlAL, SWPRlBN, SWPRlBL shown in Table 4 apply to the nominal diameters of the deformed wire
25、s and the tol- erances are not specified. The standard diameters of wires which compose the de- formed 3-wire strand shall be the same as those of 2-wire strand and the tolerances are not specified. 6.3 Nominal sectional areas and unit masses The nominal sectional areas and unit masses of the wires
26、and strands shall be as given in Table 5. 7 Appearance The wires and strands shall be free from harmful flaws and other defects, and the surfaces shall be free from adhering of oil and others. However, surface rusting of which degree will not cause pitting may be accepted. Table 3 Mechanical propert
27、ies Symbol SwPRlAN SwPRlAL SwPDlN SwPDlL SwPRlBN SWPRlBL SWPR2N SWPRBL SWPD3N SWPD3L Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted with
28、out license from IHS -,-,- . Symbol Designation Load relative Tensile to 0.2 9% load permanent elongation kN kN SWPR7AN 9.5 mm 7-wire 75.5 min. 88.8 min. SWPR7AL strand 1 0 . 8 mm 7-wire 102 min. 120 min. strand 12.4 mm 7-wire 136 min. 160 min. strand 15.2 mm 7-wire 204 min. 240 min. strand STDaJIS
29、G 3536-ENGL 1999 m Y933bO 05b2221 443 = Elongation % 3.5 min. 3.5 min. 3.5 min. 3.5 min. 5 G 3536 : I999 8.0 max. 2.5 max. 11.1 mm 7-wire strand 8.0 max. 12.7 mm 7-wire strand 156 min. 1 183 min. I 3.5 min. 2.5 max. 15.2 mm 7-wire I 222min. I 261min. I 3.5min. 1 strand 8.0 max. strand 2.5 max 8.0 ma
30、x. 8.0 max. 8.0 max. 2.5 max. 2.5 max. 2.5 max. Relaxation value 20.3 mm 19-wire I strand 9% NIL 422 min. 1 495 min. I 3.5 min. 8.0 max. 2.5 max. 8.0 max. 2.5 max. t 8.0 max. 2.5 max. 21.8 mm 19-wire strand 28.6 mm 19-wire strand 495 min. 573 min. 3.5 min. 807 min. 949 min. 3.5 min. 8.0 max. 2.5 max
31、. 7- 8.0 max. 2.5 max I Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- STDoJIS G 3536-ENGL 1999 R 4933608
32、 05b2222 3BT 2.9 mm 2-wire strand 9.3 mm 7-wire strand 10.8 mm 7-wire strand 12.4 mm 7-wire strand 15.2 mm 7-wire strand 9.5 mm 7-wire strand 11.1 mm 7-wire strand 12.7 mm 7-wire strand 15.2 mm 7-wire strand 17.8 mm 19-wire strand 19.3 mm 19-wire strand 20.3 mm 19-wire strand 21.8 mm 19-wire strand
33、28.6 mm 19-wire strand 6 G 3536 : 1999 I 2.90 t O .O3 - 9.3 +0.4 0.05 min. -0.2 10.8 +0.4 0.07 min. -0.2 12.4 f0.4 0.08 min. -0.2 15.2 f0.4 0.08 min. -0.2 9.5 +0.4 0.05 min. -0.2 11.1 +0.4 0.07 min. -0.2 12.7 +0.4 0.08 min. -0.2 15.2 +0.4 0.08 min. -0.2 17.8 f0.6 - -0.25 19.3 +0.6 - -0.25 20.3 +0.6
34、- -0.25 21.8 +0.6 - -0.25 28.6 +0.6 - -0.25 Symbol SWPRlAN SWPRlAL SWPRlBN SWFRlBL SWPR2N SWPR2L SWPR7AN SWPR7AL SWPR7BN SWPR7BL SWPR19N SWPRl9L Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2
35、007 07:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- 7 G 3536 : 1999 Symbol SWPRlAN Designation Nominal cross- Unit mass sectional area mm2 kg/km (2.9 mm) 6.605 51.8 SWPRlAL SWPRlBN SWPRlBL SWPDlN SWPDlL 8mm 9 mm 2.9 mm 2-wire strand 2.9 mm 3-wire strand SWPR2N SWPR
36、2L 50.27 395 63.62 499 13.21 104 19.82 156 SWPD3N SWPD3L SWPR7AN SWPR7AL SWPR7BN SWPR7BL SWPR19N SWPR19L (4 mm) 9.3 mm 7-wire strand 51.61 405 10.8 mm 7-wire strand 69.68 546 12.4 mm 7-wire strand 92.90 729 15.2 mm 7-wire strand 138.7 1101 9.5 mm 7-wire strand 54.84 432 11.1 mm 7-wire strand 74.19 5
37、80 12.7 mm 7-wire strand 98.71 774 15.2 mm 7-wire strand 138.7 1101 17.8 mm 19-wire strand 208.4 1652 19.3 mm 19-wire strand 243.7 1931 12.57 1 98.7 I 21.8 mm 19-wire strand 28.6 mm 19-wire strand l 19.64 1 5 mm 312.9 2 482 532.4 4 229 (6 mm) 28.27 I 222 I 7mm I 38.48 I 302 I 20.3 mm 19-wire strand
38、I 270.9 I 2 149 8 Material The material to be used in manufacture of the wires and strands shall be the wire rods conforming to JIS G 3502. 9 Manufacturing methods The manufacturing methods of the wires and strands shall be as given in the following: Copyright Japanese Standards Association Provided
39、 by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- 8 G 3536 : 1999 The individual wires to be used for the wires and strands shall be those which have been co
40、ld worked after processing with patenting on the wire rods. The wires and strands shall be processed with bluing in the final process for the purpose of relieving residual strain. The individual wires to be used for the wires and strands shall be free from joints. However, only the individual wires
41、to be used for 7-wire strand and 19- wire strand may have butt-welded joints in the diameter at completion of pat- enting or the diameter prior to patenting. The 7-wire strand and 19-wire strand in the stranding process, may be processed with butt welding for jointing individual wires, but the numbe
42、r of welded places shall not exceed one in a range of 45 m in length of the strand. The strand itself shall not be jointed. Tests 1 0 . 1 be as given in the following: Sampling method of test pieces The sampling method of test pieces shall The test pieces for tensile load and elongation shall be tak
43、en from one end of one coil arbitrarily selected from a lot consisting of five coils or a fraction thereof. The test pieces for the test of load relative to 0.2 % permanent elongation shall be taken from one end of one coil arbitrarily selected from a lot consisting of 30 coils or a fraction thereof
44、. The test piece for a relaxation test, when the raw material or the manufactur- ing process is changed, shall be taken from one end of arbitrarily selected one coil. For the products which have been cut short from the wires and strands con- tinuously manufactured by the same machine using the same
45、wires, the one coil before cutting shall be considered to be one coil in the specifications of a) and b). The test pieces for the tensile load, load relative to 0.2 5 % permanent elongation and elongation tests shall be those which are capable of obtaining gripping dis- tance of 100 mm or more for t
46、he wires, 200 mm or more for the 2-wire strand and deformed 3-wire strand, and 600 mm or more for the 7-wire strand and 19- wire strand. 1 0 . 2 a) Tensile test The tensile test shall be as given in the following: The tensile test shall be carried out in accordance with JIS Z 2241, and the gripping
47、distance shall be 100 mm or more for the wires, 200 mm or more for the 2-wire strand and deformed 3-wire strand, and 600 mm or more for the 7- wire strand and 19-wire strand. Furthermore, in case where the test piece is broken at the gripping part and fails to conform to the requirements, this test
48、shall be invalidated, and retest shall be carried out further taking test pieces from the same lot. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:53:00 MDTNo reproduction or networking permitted without license from IHS -,-,- STDoJIS G 353b-ENGL 3999 4933b08 05b2225 O99 9 G 3536 : 1999 b) The tensile load refers the maxi