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1、UDC 69.022.12: 666.982.2: 691.328: 69.057 8JIS JAPANESE INDUSTRIAL STANDARD Precast Reinforced Components for Concrete Fences Translated and Published by Japanese Standards Association Printed in Japan 7s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Emp
2、loyees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*5407 82 4733608 0002569 2 W Translation without guarantee standard in Japanese is to be evidence i n the event of any doubt arising, the original
3、 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*5409 82 4933608 O802570 9 _ UDC 69.022.12: 666.98
4、2.2:691,328: 69.057 JAPANESE INDUSTRIAL STANDARD J I S Precast Reinforced Components for Concrete Fences A 5409- 1982 1. Scope nents for concrete fences , hereinafter referred to as concrete fences, This Japanese Industrial Standard specifies the precast reinforced compo- Remark: The units and numer
5、ical values given in in this standard are in accordance with the International System of Units (SI) , and are appended for reference. 2. Materials and Manufacture . portland cement specified in JIS R 5210, harmful amount of dust , mud, salts, etc mixed appropriately with fine and coarse grains and t
6、he maximum size shall be 20 mm and less than 1/3 of the minimum thickness of product, and be free from flat or slender grains. in JIS G 3112, JIS G 3117 or JIS G 3532. 2.1 The cement shall be the high-early strength portland cement or ordinary 2.2 The aggregate shall be clean, firm and duarable, and
7、 be free from a Further, the aggregate shall be 2.3 The reinforcement shall be of steel bars or ordinary steel wires specified The arrangement of reinforcement shall be carried out by binding with the annealed steel wires specified in JIS G 3532 or by the electric resistance spot welding. 2.4 The pr
8、oportion of concrete to be used for the manufacture of concrete fence shall be determined so that the manufactured concrete fence with the quality shown in Table 1 can be obtained and the quantity of cement to be used shall be not less than 370 kg/m3. The surface active agent and other suitable admi
9、xture may be used so far as it doesnt deteriorate the quality of manufactured concrete fence. A mixer shall be used for mixing of raw materials and a powered vilbrator 2.5 shall be used for forming of concrete. Applicable Standards : JIS G 3112-Steel Bars for Concrete Reinforcement .JIS G 3117-Rerol
10、led Steel Bars for Concrete Reinforcement JIS G 3532-Low Carbon Steel Wires JIS R 5210-Portland Cement JIS Z 9001-General Rules for Sampling Inspection Procedures Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not f
11、or Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*5409 A2 W 4933bOA 0002571i O 13 2 A 5409-1982 2.6 Preserve the concrete at not less than 500 degree-hour( ) and at not less than 70 % in humidity, take it out of the form, thereafter, cur
12、e it under the condition in much humidity for not less than seven days and further, pre- serve it not less than ten days and then ship it. Note (l) The degree-hour is defined as the product of the curing temperature ( C O ) multiplied by the curing hours (h) . Remarks 1. The following caution is req
13、uired at the time of the early curing. (i) A sudden change in temperature shall not be given at the time when cement begins to set. (2) Cares shall be taken so that the curing temperature doesnt become 5% or lower and 65% or higher. 2. During the wet-curing, the concrete fence shall be covered with
14、straw mat , cloth, etc. and be sheltered from direct rays of the sun. 3. Classification, Designation, Form , Dimensions and Arrangement of Reinforce- ment 3.1 The classification, form, dimensions and arrangement of reinforcement of concrete fence shall be 5-1 accordance with Attached Tables and Atta
15、ched Figure. 3.2 The designation of concrete fence shall be in accordance with the follow- Post fitted with brace . No. 6 ing examples. Post No. 6 4. Quality 4.1 The reinforcement of concrete fence shall be arranged correctly. 4.2 The concrete fence shall be dense in surface and shall be free from h
16、armful crack, flaw and remarkable strain. Further, the maximum height of warpage in the longitudinal direction of plate shall be less than 3 mm. 4.3 The concrete fence shall comply with the specifications of Table 1. Copyright Japanese Standards Association Provided by IHS under license with JSALice
17、nsee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- t 900 ( 8 826. O) min. 1 200 (11 768. O) min. 300 (2942.0) min. 400 (3922.6) min. Class of parts with brace I No.10 Post 1 5 : : Plate coping
18、 5. Tests Table 1 3 A 5409-1902 Percentage of load :eneration Of crazing kgf (N) I Breaking load kgf (NI I water absorption % I l l 300 (2942.0) min. I goo ( 8826.0) min. I 400 (3 922.6) min. I 1200 (ii768.01 min. 550 (5 393.6) min. 1 1600 (15 690.6) min. I 700 (6864.7) min. 1 2100 (20594.0) min. 1
19、100 980.7) min. 150 ( 1471.0) min. I 5.1 Flexural Test (1) The flexural test of a post fitted with brace shall be carried out as follows: Use the post fitted with brace which has been air-dried in the period of time specified in 2.6, take a span given in Table 2 with a complete form as it is as show
20、n in Fig. 1, support that post through steel plates(2) of 10 cm x 20 cm x 1 cm by round steel bars of 30 mm in diameter, sustain one end of the post by a stopper, add a load on the surface line the position where the height of coping of 75 mm has been substracted from the height of execution of work
21、s (H) through a similar round steel bar and obtain the load of crazing generation and the breaking load. Note (2) The post fitted with brace No. 6 doesnt require steel plates. (3) The !load of crazing generation! is defined as the load indicated by the testing machine at the time when the crazing ha
22、s been generated at the first time. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A85409 82 = 4933
23、ts08 0002573 4 = Class of member 4 A 5409-1982 Loading span Supporting span I li 12 Fig. 1 No. 6 No. 7 Round steel bar Diameter 30 m Table 2 Unit: mm 1950 1445 2250 1745 Post fitted with a brace No. 8 1 % : : 1 I X ) ; : 505 No. 9 No. 10 3150 (2) Use the post and coping which have been air-dried in
24、the period of time specified in 2.6, take a span of 1500 mm with a complete form as it is as shown in Fig. 2, support that post and coping through steel plate(z) of 10 cm x 20 cm x 1 cm by round steel bars of 30 mm in dia- meter, add a load to the center of span through a round steel bar similarly a
25、nd obtain the load of crazing geneation() and the breaking load. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS
26、 -,-,- I J I S A85409 82 = 4933608 0002574 b 5 A 5409-1982 Fig. 2 Post load . I Steel plate 10 cm x L o v i a m e t e r 30 mm 20 cm x 1 cm, .Steel plate 1 cm 20 I - I /%, Steel plate 10 cm x 20 cm x Coping load I Round steel bar * Steel plate 10 cm x 20 cm x 1 cm (3) Use the plate which has been air
27、-dried in the period of time specified in 2.6, take the span of 50 cm in the longitudinal direction at one side of the plate with a complete form as it is, support that plate by a round steel bar of 30 mm in diameter, add a load to the center of span through a similar round steel bar, measure the lo
28、ad of crazing generation( 3 , and the breaking load. the above mentioned test with its top side down similarly and measure the load of crazing geneation() and the breaking load. shall be the smaller value of those valves at both sides of plate. . Next, test the other end of plate at the time of The
29、load of crazing generatin() and the breaking load of one plate Fig. 3 Unit: mm Load Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted witho
30、ut license from IHS -,-,- J I S A*5409 82 4933608 0002575 8 6 A 5409-1982 5.2 Water Absorption Test Use a fragment of concrete fence of not less than 1 I in effective volumetric capacity as a test piece, put it in the air oven kept at a temperature of 105 to 115%. decrease in mass(4) has become not
31、more than one percent per 24 h as a mass at the time of drying. Next, soak this in the water kept at 15 to 25% slowly, take it out after 24 h have passed, put it on a metallic gauze with aperture of not less than one centimeter in one side and after 1 min has passed, wipe the water on the surface wi
32、th wet cloths quickly, measure it, and take that measured value as mass at the time of water.absorption. Calculate the percentage of water absorption according to the following formula: Percentage of water absorption (%) = Take the mass at the time when the Mass at the time of water absorption - mas
33、s at the time of dry Mass at the time of dry x 100 Note ( 4 , The balance .used for water absorption test shall be capable of measuring correctly to O. 5 % of the mass of specimen. 6. In spection 6.1 Determine the acceptance or rejection of inspection by the results of test on dimensions, appearance
34、, flexural strength and percentage of water absorbtion, 6.2 Determine the lot size in accordance with SIS Z 9001, extract 10 concrete fences for the inspection on appearance, and extract each three concrete fences where the standard deviation is known, each seven test pieces where the standard devia
35、tion is unknown, to test the other characteristics to be inspected. For the appearance inspection, where all of ten specimens have been accepted, the lot shall be accepted. For each inspection on dimensions, flexural strength and percentage of water absorption, where the following formula is satisfi
36、ed, the lot shall be accepted. In the case of dimensions and flexural strength, X2 SLS1.6 u In the case of percentage of water absorbtion, Xs So-1.6 where W : average value of three measured values SL : lower limit standard value shown in Attached Table or Sa : upper limit standard value shown in Ta
37、ble 1 Table 1 U : standard deviation which is obtained from the past data in the factory generally. Where the inspection data cannt be obtained and the standard deviation is unknown, obtain u from the follow- ing formula: Copyright Japanese Standards Association Provided by IHS under license with JS
38、ALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*5409 82 4733608 O002576 T I 7 A 5409-1982 where u : standard deviation xi, x2, “X7 - individual measured values I : average valu
39、e of measured values 7. Marking Each product shall be marked clearly with the manufacturers mark and date of forming. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduc
40、tion or networking permitted without license from IHS -,-,- J I S A85409 82 4933b08 0002577 L Dimensions of each part of section mm Permis- deviation e sible Arrangement Of reinforcement Main Auxiiiary reinforcement reinforcement Diame- Diame- ter( ) of Number bars ter( 5, Number of bars mm . mm Cla
41、ss Heigh; H 70.6 N0.7 No.8 No.9 1820 2120 2420 2720 106 - 61 +i 9 6 3.2 14 - +i 9 4 3.2 3 - - - - - +i 10 4 3.2 10 -_ +3 a for-1 +3 bfor o - +i 3.2 4 6 - 6 -_ 8 A 5409-1982 Attached Table Length - b mm 1 km a C - 320 d - 45 2350min. Omin 120 106 2650 min. 300min I 120 106 320 45 Post fitted with bra
42、ce 2 950 min. 1 600min 120 106 320 45 - 45 3 250 min. 1 goomin 136 106 320 136 120 - 106 320 45 106 - 106 - 297 - 75 - Post - Plate 120 30 - 136 - Coping Note ( 5 , 1800 The diameter means the nominal diameter specified i n JIS cor- responding to it. Remark : The corner post (see Figure of Corner Po
43、st) and plinth are in- cluded in the class other than the concrete fence shown in Attached Table 1. be in accordance with the post fitted with brace and post which have been given in Attached Table, as appropriate. The diameter of reinforcement to be used for corner post shall Figure of Corner Post
44、Unit: mm Figure of profile Sectional View Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*5409 82
45、E 4933608 0002578 3 Attached Figure Fitting of post and coping Post fitted with brace -f Sur lin? Plan coping Side elevation coping -+- coping -To strengthen sufficiently the junction of post iate reinforcing I Post and brace part by an appropr- bar Post fitted with brace section A-A The,placing met
46、hoc of. auxiliary rein. 25 forcement is free L-J Q! - ! - 25 Post fitted with brace section B-B k-a-l m Suri The placing method of auxiliary reinforce ment is free CA J 9. A 5409-1982 Unit: mm Post - -_- I c I I I I I I -_ I- l i I. I I I I I I I i I I I I t 1 l I I l I I I Tr SI I I L ecoping secti
47、onal view of post -? F + rhe placing method of auxiliary reinforcement is free Side elevation of plate A Sectional view of plate A-A k I 2 1 .w reinforcement is free The placing method of auxiliary g z Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employ
48、ees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 09:05:39 MDTNo reproduction or networking permitted without license from IHS -,-,- A 5409-1982 Edition 1 Japanese Text Established by Minister of International Trade and Industry Date of Establishment: 1956-07- 17 Date of Revision : Date of Public Notice in Official Gazette: 1982- 09- O