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1、f . . - J I S Ax8b51 85 W 4933608 0005012 1 W - UDC 69.057.5: 624.014.27: 693.5 e J.IS JAPANESE INDUSTRIAL STANDARD Tubular Steel Adjustable Shores JIS A 865 I -1985 Translated and Published by Japanese Standards Association Printed in Japan 7 s Copyright Japanese Standards Association Provided by I
2、HS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*865L 85 = 4933bEi8 00050L3 3 M Translation without guarantee standard in Japanese is to be evidence i n
3、the event of any doubt arising, the original , Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- UDC 69.057.
4、5: 624.014.27: 693.5 f$ JAPANESE INDUSTRIAL STANDARD UJ Tubular Steel Adjustable Shores J I S A 8651-1985 1. Scope shores used for the timbering (formwork timbering) works. This Japanese Industrial Standard specifies the tubular steel adjustable Remark: The units and numerical values given in I 1 in
5、 this standard are in accordance with the International System of Units (SI), and are appended for reference. 2. Classification The tubular steel adjustable shores shall be classified into Classes 1, 2, 3, 4 and 5 according to the maximum using length specified in Table 2. 3. Names of Each Part The
6、tubular steel adjustable shores shall consist of waist tube, insertion tube, adjusting screw , supporting pin, etc. as given in Fig. 1 and shall have a receiving plate at the upper and a base-plate at the lower and thereof. Applicable Standards and Reference Standards: See page 9. d) Copyright Japan
7、ese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- r JIS A*8651i 85 W 4933b08 0005035 7 2 A 8651-1985 Fig. 1 Tubular Steel A
8、djust able (2) Tubular Steel Adjustable Shores of Outside Screw . Shores of Inside Screw Thread Type Structure Thread Type Structure I sertion tube Supporting pin 1 waist tube Baseplate Receiving plate Insertion tube Pin hole Adjusting screw threads (external screw threads) Adjusting screw threads (
9、internal screw threads) Waist tube Baseplate 1 Receiving plate Pin hole Supporting pin I- Adjusting screw threads (external screw threads) Adjusting screw threads (internal screw threads) Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001
10、, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 A 8651-1985 a 4 . Strength, Structure, and Others 4.1 Strength The strength shall conform to Table 1. Table 1 Items Test for compressive strength by both ends knife edg
11、e press Test for compressive strength by both ends flat press e Strength The numerical value of the minimum value (kgf(N1) of total number thereof shall be not less than the numerical value obtained by calculation from the following formula (4000 when that numerical value exceeds 4000). (146 - 0.15
12、1 ) l 2 P = 1.82 x lo6 x The numerical value of mean value kgf IN) in unit of total number thereof shall be not less than the numerical value obtained by calculation from the following formula (4500 when that numerical value exceeds 4500). (146 - 0.151) 1 2 P = 1.1 x 1.82 x lo6 x where P and Pl: str
13、ength kgf NI I : the numerical value of the maximum using length (cm in unit) added with 14 Mean value Minimum value 4 500 kgf (44.13 kN min. 4 O00 kgf (39.23 kN min. Test method 6 . 1 6.2 4.2 Structure and Dimensions The structure and dimensions shall be as follows: (1) The maximum using length of
14、tubular steel adjustable shores shall conform to Table 2. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,-
15、4 A 8651-1985 Class Class 1 Table 2 Unit: mm Maximum using length 3 850 to 4 O00 excl. Class 2 Class 3 3 350 to 3 500 incl 2 950 to 3 100 incl. Class 4 Class 5 (2) The dimensions and dimensional tolerances of waist tube or insertion tube used for tubular steel adjustable shores shall conform to Tabl
16、e 3. 2 550 to 2 700 incl. 2200 and under Table 3 Unit: mm Thickness Outer diameter Division I Dimensions I Dimensional tolerances Thickness Outer diameter 60.5 63.5 () waist tube 2.3 2 0.3. 2 0 . 3 + 0.3 - 0 2. o IF 0.3 I 48.6 1 2.5 I 2 0.25 Insertion tube Note () The waist tube of 63.5 in outer.dia
17、meter is approved for a while. 2 0.3 (3) The length of waist tube part of tubular steel adjustable shores shall be not less than 50 % of the maximum using length of tubular steel adjustable shore (1 600 mm when that value exceeds 1600 mm) . (4) The length of the overlap part of insertion tube and wa
18、ist tube part (meaning the part consisting of waist tube, baseplate and adjusting screw; the same meaning applies hereinafter,) when the tubular steel adjustable shores are extended to the maximum using length, shall be not less than 280 mm (150 mm for the tubular steel adjustable shores of under 25
19、00 mm in maximum using length). Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 A 8651-1985 (5) The adju
20、sting screw of tubular steel adjustable shores shall be as 0 follows: (a) The length of internal screw thread part shall be not less than 30 mm. 5 . (b) The length of the part cut with external screw threads shall be not less than 150 mm. (6) The insertion tube shall have the hole used for inserting
21、 the supporting pin. (7) The diameter of supporting pin shall be not less than 11.0 mm. (8) The receiving plate and baseplate shall be as follows: (a) The thickness shall be not less than 5.4 mm. e (b) The size shall be that given in Fig. 2 and further they shall have 4 bolt holes of 12 mm min. in d
22、iameter and not less than 2 nail holes of 4 mm min. in diameter at the positions given in Fig. 2. Fig. 2 7 1 1 70 .- Nail hole Bolt hole weep hole Unit: mm excl. (c) The receiving plate shall have a subsidiary support mortice of 42 mm to 45 mm excl. in diameter at its central part. (d) The baseplate
23、 shall have a weep hole at its central part. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*8651
24、85 4933b08 0005019 4 6 A 8651-1985 (9) When the tubular steel adjustable shores are extended to the maximum using length by fixing the waist part, the maximum value of total amplitude of center at the upper end of receiving plate shall be not more than 1/55 of the maximum using length. the degree of
25、 the deflection between the waist tube part and the insertion tube, the width given in Fig. 3. Further, the “total amplitude! herein means the index expressing Fig. 3 a l P 4 FJ Maximum using length 4.3 Materials The materials used for each part of tubular steel adjustable shores shall conform to th
26、e requirements specified in Table 4 or shall have mechanical properties equal or superior thereto. Table 4 Structural part Quality of material Waist tube Insertion tube STK 41 specified in JIS G 3444 STK 51 specified in JIS G 3444 SGP specified in JIS G 3452 threads Adjusting screw Interna screw thr
27、eads FC 20 specified in JIS G 5501 Supporting pin I S 35 C specified in JIS G 4051 Receiving and SS 34 specified in JIS G 3101 baseplat e 5. Manufacture The manufacturing method of tubular steel adjustable shores shall be as follows : (1) The steel tubes free from bending, dent, crack, etc. , shall
28、be used and the waist tube and insertion tube without extension joint shall be used. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted with
29、out license from IHS -,-,- 7 A 8651-1985 (2) The working and machining of materials shali be carried out so as not to generate the decrease of strength due to warpage, torsion, etc. (3) The attaching of receiving plate and baseplate shall be carried out as follows : (a) The center of receiving plate
30、 and baseplate shall agree with the axis of tube. (b) The receiving plate and baseplate shall be at a right angles with the axis of tube. (c) The receiving plate and baseplate shall mutually be in the same direction. (4) The attaching of receiving plate and insertion tube, baseplate and waist tube,
31、and waist tube and adjusting screw shall be respectively carried out by whole-peripheral welding. (5) The welding shall generally be carried out by arc welding. (6) The tubular steel adjustable shores shall be prepared by a method wherein after cleaning them by removing adhering substances such as d
32、ust , dirt etc., they are processed with coating by rust preventive paint or surface treatment by coating. etc., developed black skin, rust, harmful flaws , projections 6. Test Methods 6.1 Test for Compressive Strength by Both end Knife Edge Press The tubular steel adjustable shores of the maximum u
33、sing length is attached to the tester by using core metal, knife edge and knife edge receiving seat so that the edge direction of knife edge becomes vertical to that of supporting pin as given in Fig. 4, then loaded with compressive load and the maximum value of load shall be measured. e Fig. 4 Test
34、er loading plate f Knife edge Knife edg* receiving seat Core metai Supporting pin k Core metal Knife edge receiving seat Tester loading plate Knife edge Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale,
35、 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- I J I S A88b51 85 4933608 O005021 2 8 A 8651-1985 (1) Knife Edge S 50 C C akbonizing treatment Fig. 5 Unit: mm (2) Core Metal SS 41 (3) Knife Edge Receiving Seat SS 50 Remark: The symbol o 0 0 shall be in
36、accordance with the finish symbol specified in the definitions and designation of JIS B 0601. 6.2 Test for Compressive Strength by Both end Flat Press The tubular steel adjustable shore of the maximum using length (3500 mm when that value exceeds 3500 mm) is attached to the tester so that the center
37、 of receiving plate and baseplate align with the center of loading plate of tester as given in Fig. 6, then, applied with compressive load and the maximum value of load shall be measured. Fig. 6 Tester loading plate Tester loading plate Copyright Japanese Standards Association Provided by IHS under
38、license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- b J I S A*8b5L 85 4733b08 0005022 4 9. A 8651-1985 7. Inspection the following plans and the acceptance or rejection shal
39、l be determined. The strength, structure and others specified in 4. shall be inspected by (1) As to the strength, it is the plan where not less than 5 samples are respectively sampled from one lot. (2) As to structure and others, it is the reasonable sampling plan. 8, Marking The receiving plate and
40、 baseplate shall be marked with the following information : (1) Manufacturers name or mark (2) Year of manufacture , division of first and second half years , or their mark (3) Designation of “KATA“ (Japanese) (frame) indicating the use for the timbering in concrete works (formwork timbering) Applic
41、able Standards : JIS B 0601-Definitions and Designation of Surface Roughness JIS G 3101-Rolled Steel for General Structure JIS G 3444-Carbon Steel Tubes for General Structural Purposes JIS G 3452-Carbon Steel Pipes for Ordinary Piping JIS G 4051-Carbon Steels for Machine Structural Use SIS G 5501-Gr
42、ay Iron Castings Reference Standards : SIS Z 9001-General Rules for Sampling Inspection Procedures JIS Z 9002-Single Sampling Inspection Plans having Desired Operating Characteristics (Part 1 Sampling by Attributes) JIS Z 9003-Single Sampling Inspection Plans having Desired Operating Characteristics
43、 by Variables (Standard Deviation Known) JIS Z 9004-Single Sampling Inspection Plans having Desired Operating Characteristics by Variables (Standard Deviation Unknown and Single Limit Specified) Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/111
44、1111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,- A 8651-1985 Edition 1 Japanese Text Established by Minister of International Trade and Industry Date of Establishment: 1959-07-01 Date of Revision: 1985-04-01 Date
45、 of Public Notice in Official Gazette: 1985-04-10 Investigated by: Japanese Industrial Standards Committee Divisional Council on Architecture Technical Committee on Temporary Materials This English translation is published by: Japanese Standards Association Tokyo 107 Japan 0 JSA, 1985 1- 24 Akasaka 4, Minato-ku , Printed i n Tokyo by Hohbunsha Co., Ltd. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:07:49 MDTNo reproduction or networking permitted without license from IHS -,-,-