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1、Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright Japanese Standards Association Provided by IHS u
2、nder license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, Us
3、er=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo
4、reproduction or networking permitted without license from IHS -,-,- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from
5、IHS -,-,- JIS JAPANESE INDUSTRIAL STANDARD Translated and Published by Japanese Standards Association JIS A 537200 Precast reinforced concrete products ICs 91.100.30;93.080.30 Reference number JIS A 5372:2004(E) PROTECTED BY COPYRIGHT 106s Copyright Japanese Standards Association Provided by IHS und
6、er license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- A 5372 2004 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the
7、Minister of Economy, Trade and Industry, through deliberations at the Japanese Industrial Standards Committee in accordance with the Industrial Standardization Law. Consequently, JIS A 5372 : 2000 is replaced with this Standard. Attention is drawn to the possibility that some parts of this Standard
8、may confict with a patent right, application for a patent after opening to the pub- lic, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Minister and the Japanese Industrial Standards Committee are not res
9、ponsible for identiSring the patent right, application for a patent after opening to the pub- lic, utility model right or application for registration of utility model after opening to the public which have the said technical properties. Date of Establishment: 2000-07-20 Date of Revision: 2004-03-20
10、 Date of Public Notice in Official Gazette: Investigated by: Japanese Industrial Standards Committee Standard Board 2004-03-22 Technical Committee on Civil Engineering JE A 5372 : 2004, English edition published in 2004-09 Translated and published by: Japanese Standards Association 4-1-24, Akasaka,
11、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. O JSA 2004 AI1 rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mech
12、anical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan M reinforcing bars shall be exposed; and measurement shall be made on the diameter, number, and the minimum cover of reinforcement. Method by the reinforcing bars before placing If the po
13、sition of reinforcing bar be- fore and after placing of concrete is not affected by assembly method, fWng method to a formwork, and securing method of cover of reinforcing bar, then this position can be regarded as the position of finished product by measuring the diameter, number, and the minimum c
14、over of reinforcement before placing concrete. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license fro
15、m IHS -,-,- 7 A 5372 : 2004 10 Inspection 10.1 Inspection items The inspection items of the final inspection carried out by manufacturers and the delivery inspection carried out for confirmation at the time of acceptance shall be as follows. a) Final inspection items 1) Appearance 2) Performance 3)
16、Shape and dimensions b) Delivery inspection items 1) Appearance 2) Shape and dimensions Remarks : The delivery inspection may be omitted depending on the results of final inspection under the agreement between the parties concerned with delivery. 10.2 and table 6. Inspection method The inspection me
17、thod shall be as specified in JIS A 5365 Table 6 The inspection method of RC product ter storage facilities Example 3 Disaster prevention facilities 11 Designation of product The designation of product shall be as speczed in JIS A 5361. 12 Marking The marking shall be as specdied in JIS A 5361. If t
18、he markmg is specified particularly in annexes of this Standard, the relevant specification shall prevail. Moreover, about the Group II products, the following information shall be marked on products. a) The word “Group II“ b) Classification (designation specified by manufacturers), or its abbreviat
19、ion c) Other necessary matters, or their abbreviation 13 Report Manufacturers shall present the report about the appearance, performance, shape, dimension, etc., when they are so requested by purchasers. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license wi
20、th JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- 8 A 5372 : 2004 Major division Piles Annex i (normative) Piles Minor division Reinforced-concrete pile (RC pile) Steel-concrete com
21、posite pile (SC pile) 1 tion, which are one of the precast reinforced concrete products specified in JIS A 5372. Scope This annex specifies Group I and Group II piles mainly used for a founda- Classification Reinforced concrete pile (RC pile) 2 Classification The classification of piles shall be as
22、specified in annex 1 table 1. In addition, Group I shall be as specified in annex 1 table 2. Classification by outside diameter Details mm Class 1: Vertical Class 1: Not to See the rec- 200 to 600 force be distinguished ommended Class 2: Bending Class 2: To be specification moment distinguished 1-1.
23、 300 to 600 Classification by Reinforcement load ratio Annex 1 Table 1 Classification of piles 3 Performance 3.1 form to the provisions of annex 1 table 3. Performance of the body of piles The performance of the body of piles shall con- PROTECTED BY COPYRIGHT Copyright Japanese Standards Association
24、 Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- 9 A 5372 2004 Service stage performance End stage per- formance (1) Durability (2) Annex 1 Table 3
25、 Performance of the body of piles It shall be safe to be subjected to the regular load assumed at the time of use, and crack width (for the SC pile, this corresponds to the amount of strain at upper and bottom end) shall be less than the permissible value. It shall not break due to the load assumed
26、at the time of end stage. Durability shall be secured against deterioration assumed. Performance item Performance Workability for transportation, installation, as- sembly, etc. shall be secured. Workability The performance check method See design docu- ment or clause 6 of annex 1. See design docu- m
27、ent or clause 6 of annex 1. Refer to design document or actual per formance. Refer to design document or actual performance. Notes (I) Confirmation of the end stage performance shall be made when so requested by purchasers. Durability may be confirmed by the actual results of such similar products a
28、s are equivalent in terms of water-cement ratio and reinforcement cover. (2) Remarks : The performance items of Group II shall be subject to the agreement be- tween the parties concerned with delivery. 3.2 a) Bending strength of a joint part The bending strength of a joint part shall exceed the dest
29、ructive bending moment at the instant of failure from among the end stage performances of the body specified in 3.1. b) Connectivity (squareness of a joint end face) A joint end face shall be at right an- gles with the pile axis within deviation of 1 mm per 300 mm. Performance of a joint part 4 The
30、shape, dimensions, and di- mensional tolerance of piles shall be as specified as follows. As to Group I, when there is no diviation in the design concept, the performance (quality) and performance (qual- ity) check method, the reference dimension may be changed within 10% in response to purchasers d
31、emand, provided that the necessary performance is satisfied. 4.1 Shape, dimensions, and dimensional tolerance Shape The shape of piles shall be as shown in annex 1 reference figure 1, PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS E
32、mployees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- 10 A 5372 : 2004 Classification Dimen- sion Toler- Reinforced-concrete pile ance Length Pile end face i Pile end face - Outside diameter Thickness Leng
33、th mm mm m 200 to 600 50 to 150 3 to 15 +5 4 - Not specified k 0.3 of length -2 - 0 (“A Remarks 1 2 3 4 A tip, joint parts, and a head are included in the length of a pile. Attachment after manufacture such as metallic xture to a tip, if any, is not included in the length of a pile. End face is divi
34、ded into blocked end, open end, etc. A pile or a middle pile may be attached to a tip to be used as a lower pile, Annex 1 Reference Figure 1 Example of a shape of piles 4.2 Dimensions and dimensional tolerance The dimensions and dimensional toler- ance of the Group I products shall be as specified i
35、n annex 1 table 4 . The dimensions and dimensional tolerance of the Group II products shall be subject to the agreement between the parties concerned with delivery. Annex 1 Table 4 Dimensions and dimensional tolerance of piles PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided
36、by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- 11 A 5372 : 2004 In addition, a manufacturer shall define the bar arrangement which satisfies clause 3 for e
37、very product. Moreover, the SC pile has steel pipes, instead of reinforcing bars, which are arranged at the outer shell of a pile. Therefore, it is not necessary to con- sider the cover and clearance of reinforcement. At the time of use, the corrosion allow- ance of a steel pipe shall be considered,
38、 or rust-proofing shall be performed. 6 Testmethod 6.1 A 1132 and JIS A 1108. Compressive strength test The compressive strength test shall be based on JIS 6.2 Bending strength test The bending strength test shall be based on JIS A 5363 and the following. Remarks : A tester shall be Grade 1 or super
39、ior specified in JIS B 7721, or shall have the permissible value which is equivalent to or superior than that of this. a) The bending-strength of a main body shall be tested as shown in JIS A 5363 figure 1. Support 3 6 of the length of a pile as a span, apply the force F i n the centre of a span, an
40、d compute a force from the bending moment by the following formula. In addition, before a pile causes bending failure, if a local failure is hkely to oc- cur at the loading point or the fulcrum, a countermeasure shall be taken. 40M - mGL F = 6L - 10A Where, M : m: G : L: F: A : Bending moment (kN-m)
41、 Mass of a pile (t) Standard acceleration of gravity (9.81 m / s2) Length of a pile (m Force (kN) Flexural span 0.6 m (in the case of LF3 m and 4 m) Flexural span 1.0 m (in the case of L=5 m or longer) In addition, about the SC pile, support 9/10 of the length of a pile as a span, set the flexural s
42、pan at A=l m and compute a force by the following formula which pre- scinds the bending moment due to the tare of a pile. 40M 9L - 10 F = PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for
43、 Resale, 03/11/2007 00:55:25 MSTNo reproduction or networking permitted without license from IHS -,-,- 12 A 5372 : 2004 b) Compute the bending moment at the instant of failure from the maximum force (fi shown until a pile breaks, by the formula specified in a). The bending strength of a joint part s
44、hall be tested by putting the joint line to the centre of span, and following the procedure of a). c 6.3 Method to measure the squareness of a joint end face The squareness of a joint end face shall be obtained by using a right-angle gauge, setting it in alignment with the axis line of pile outside
45、diameter, and measuring the amount of gradients in re- spect to the pile outside diameter. 7 Qu 3 mm or more for outside diameter 300 mm to 500 mm; and 4 mm or more for outside diameter 600 mm. Pitch should be 110 mm or under. The amount of spiral reinforcement required to improve the shearing resis
46、tance and the transformation performance should be determined by the parties concerned with delivery. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 00:55:25 MSTNo r
47、eproduction or networking permitted without license from IHS -,-,- 19 A 5372 : 2004 Cover of a longitudinal reinforcement and a spiral reinforcement should be 10 mm or more for RC pile of outside diameter 200 mm and 15 mm or more for outside diameter 250 mm to 600 mm. The edge of a longitudinal rein
48、forcement should be arranged to lie on the same plane which is at right angles to the axis of RC pile. When joints are provided to a longitudinal reinforcement, they should be the joint whose stress transmissibility of reinforcing bar is 100%. Joints should not be collected to one cross section. Reinforcing bar should be cleared of any rust