Jis a 5335 1987

TcsP @3.5O - UDC 824.158.113.012.46 : 633.98244.035 17 : 666.982.4.033.4 mh WL Bd es, ¬ OG Busts 249 phê pha đuyệt Approved of this English versvi: The text in Japanese has JAPANESE © been withdrawn, INDUSTRIAL : 3109-Stee!] bar 3112-Steel Bars JIS 3117-Rerolied JIS A JIS a ats Jig Reference Carbon 5teel in Conecrete Structure Structure Concrete Reinforcement for Concrste Reinforcement Steel Wire Steel Wires Stress-Relieved 5210-Portland Cement wm Concrete 5211-Portland Blast-furnace wm JIS Welded Steel Bars Drawn 3536-Uncoated for General for Conerete for Reinforcing 3212-Portland Pozzolan oc ji5 3532-Low for for Concrete Prestressed “JIS $9 3521-Hard Concrete for Prestressed a JIS oO A 5213-Portland Fly-ash Steel Siag Wire and Strands Cement Cement Cement Standard: JIS Z $401-Rules for Rounding off of Numerical Values for The following Reference Table shows the long term acceptable Reference: axial loads and of practical use the masses-of the PC piles for the reference - The mass of 'C piles have been calculated: from the following equaticn, on the assumption that the mass for unit volume’ of PC pile is 2.6 t/m3 and *= 3.14, and rounded off to the second decimal place in accordance with JIS Z 8401 ~ m=2.62i(D~1L where mi: mass (t) D: outside i: wall thickness (m) L: length diameter (m) Reference >> Mas diameter 300 oe 350 121 400 134 450 64 30 i 24 $00 5.39 600 7.8 | ! ! i | 2.17 3.13 va3/38 2.11 3.92] 4.22) ng 87) | | ! 3.31 i i ' 8.85 có 390) i 2.65} 100{ 691 484 135 (12 i 6.22 | i 6.6q : : ' 3.85 | i | † | i ĩ ị cles 4Š{ ị 4H Ð ( 5391 $0 { 8, 8E ! GCG J 60{ 388) ii i Long term allowable axial load tf {kN} classa 30| | i 10 25 Ị a |] L8 | 23H ‘760 Table 138 Lt 1,83 $ max Loe La £00 1200 ot a | | 10 | ufpwi (m) i | : ! | | Clase € 404 Ì §5 ( | 73 { T36] | : |¡ E0{ S83j | 1H (1181 704 S5f 105 11086 ee 170 (3 $87) 133 (1520! , M45 (1421 286 {2 135 200 {1 961! 230 {27461 | 350 £2452) 415 {10701 370 (388i 350 13 349 (5.296} | 490 14803} 465 14 3£0 : ¡ 335 12308 ‘ | UIC 624.155-113.012,48:666.932.4.083.17: 666.982.4.033.4 ` JAPANESE INDUSTRIAL STANDARD, | Pretensioned JIS Spun Conere te Piles A'5335-1987 Scope ‘This Japanese Industrial Standard specifies the pretensioned spun concrete piles manufactured by pretension method applying centrifugal force (hereafter referred to as “PC piles”), Remarks: The units and numerical values given in { } in this Standard based on the International Unit System (SI) and appended for are reference Classification PC piles shall be divided into 300 mm, 350 mm, 400 mm, 450 mm, 500 mm, 600 mm, 700 mm, 800 mm, 1000 mm and 1200 mm according to diameters and, in addition, classified to Class A, Class B and Class c according to cracking bending moment Quality 3.1 Appearance crack 3.2 PC piles shall be free from such defects as harmful flaw and Bending strength 3.2.1 Main body The body of PC piles shall not give rise to crack when applying the cracking bending moment shown in Table in the bending strength tesi specified in 8.1 The breaking bending moment shall be at least 1.5 times the cracking bending moment shown in Table for Class A, 1.8 times for Class B and 2.0 times for Class C Table Outside diameter | Class | mm 300 350 400 A Cracking bending moment Cracking bend- diameter | Class | tím (KN-m] Q5{ 24.5) B c 3.5{ 4.0{ 34.3] 39.2} A B c 3.5{ 5.0{ 6.0( 34.3] 49.0) 58.8} A B ä.5{ 7.5{ 53.9) 73.6} c Outside ing moment 9.0{ 88.3} mm |i 450 A Cracking bend- ing moment tÊm ({kN-m} 7.5{ 73.6) B C 11.0( 107.8) 12.5{ 122.6} 500 " A B G 10.ð[ 103.0 15.0{ 147.1} 17.0( 186.2) 600 A B 17.0( 166.7) 25.0{ 245.2) G 29.0{ 284.4) A 5335-1987 Tas ¬ Table (Continued)Outside Cracking bend- Outside’ | ˆ diameter | Class | ing moment _ mm tím(#Wam) j 38.0 Í a | ?1.026.8) 700 B 800 45.0( 441.3} A’ | 40.0 392.3 } B 55.0{ c 65.0{ 637.4> 0A | 372.71 C diameter| | s 538.4 | ftm[Nsm)., A 1000 ị Cracking bend- Class | ing moment 78 0{ 733.5} B 105, 0(1029.6} A 120.0{1176 8} B 170.0{1667.1} c 200.0(1961.37 Cc 1200 120.0(1176.8} 3.2.2 dointing End The bending strength of jointing end shall be equal to on higher than the breaking bending strength selected from the bending strengths specified in 3.2.1 @ 4, Construction 4.1_Construction of End Portion The construction of the end portion of PC diles shall be such that it can transmit the load safely to the foundation soil 4.2 Construction of Head Portion of PC piles shall be such that it does operation ‘ Shape The construction df the head portion not provide any hindrance in the piling and Dimensions 5.1 Snape The PC pile snali be composed of the main body of hollow cylindrical shape as shown in Fig 1, and shall have the suitabie end, jointing ena or head, as necessary The outside diameter and wall thickness of main body snall be uniform iy at cross section over the whole Main body ï C—Hệa4 Remarks any or jointing§ of the Lt end (—Ead The length of an end fitting attached after the fabrication of the PC pile shall not be included in the length thereof There An upper or intermediate pile may by providing an end portion are various etc - types end of ends, and head e.g., are end Lengths type, jointing or jointing the total length end, length included closed type, in open be utilized as a lower pile v_ 5.2 Dimensions The dimensions of the PC piles shall-conform to Table and the dimensional dime tolerances to Table Table Outside [Thickness diameter mm | mm 200 60 350 65 400 T5 450 B c c A B c O e O O A B 80 | : ` —- Tre "Hi? O O QO S Q © Ĩ S O © Oo; Oo| c Length * a —~ 7]s] A B Pimensiots : Clasa A , ° oO S © |3 Qo 3° O | | 1© | | e oO! Ị Cc —_ - | wp Oo} 090 S © S oO A 500 90 B S 3° c 6O | ico 120 { ®ộ - AB 100 §00 120 1090 140 1200 150 Remark: A B c A '°B oO o Oo! 90 S © O;o!s Ỉ Go: i © B © Q © c AB S G a c ! | : : of m and ' : Ị | ' i between can ! i m ] i ció to the agreement lengths | o!1ofoftolecjyolo o Subject the S c 1s O ! be | | | the parties applied ị concerned, i S 2, A 5335-1987 Table imensional Tolerances Unit: mm : Item Outside" diameter 300 Length 700 ; - / = sa + not specified The outside diemeter of PC pile is defined as the average two measurements taken along the axis at right angle to each other in a cross section of The wall thickness of PC pile is defined as the average of four measurements taken along the axis at right angle to each Other in a cross section ta Remarks Ì length of PC pile 1000 to * ‡ 0.3 (3) of the — Wall thickness dianeter , : 600 to Outside : The tolerance of the outside portion shall be* 0.5 of PC : mm 1234: : diameter of the jointing end with respect to the outside diameter pile specified in Table Materials 6.1 Cement The cement used shal! conform or be of the quality equal or superior to those (1) JIS R 5210 (2) JIS R 5211 (3) JIS R (4) JIS R 5213 to any of the following standards 5212 6.2 Aggregates Aggregates shal! be clean, rigid and durable, and shall not contain any detrimental amount of dust, mud, salts, organic matters or else The maximum size of coarse aggregate shall be not more than 25 mm The aggregates shall dé subjected to the alkali-silica reaction test in accordance with Appendixes or of JIS A 5308 and be judged as harmiess However, when a measure for preventing the alxali-aggregate reaction is taken by selection of the aggregates and others according to Appendix of JiS A 5308 or wher only the aggregates complying with the following stancards are used, test (1) JIS A 5011 (2) JIS A 5012 6.3 salts, 6.4 that may be omitted Water The water shall not contain organic matters or else any Admixtures shall Admixtures, if used, not give adverse effect to the product admixture and inhibitor are used, they detrimental be of such amount nature of oil, acids, that will When the fly ash, blowing agent, chemical shall comply with the following standards: (1) JIS A 6201 (2) JIS A 6202 (3) JIS A 6204 (4) JIS A 6205 6.5.1 PC Steel of the following, To, : ¬ Steel Products 6.5 The PC steel used for PC piles shall conform to either or one equal or superior to that in mechanical (1) Deformed (2) PC bar specified in JIS properties: G 3109 steel specifiec in JIS G 3536 6.5.2 Reinforcement The reinforcement used for PC piles shall conform to any of the following or be equivalent or superior to it in mechanical properties (1) JIS G 3112 (2) JIS G 3161 (3) JIS G 3521 (4) Ordinary iron wires specified in JIS - = G 3532 6.5.3 Steel Plates The steel plates used in PC piles shall comply with of following standards or be equivalent or superior to those in mechanica! properties: + (1) «JIS G 3101 (3) JIS G 3206 Manufacture 7.1 shall PC have around due Steels 7.1.1 sectional The and PC Reinforcement steels a reinforcement area of the pile, the concentric consideration and reinforcement ratio and not to be arranged than 0.4 shall be arranged circumference of minimizing less in every the variation times the largest section to the The additional spiral bers shall be arranged of the PC 7.1.3 The less than pile, strength of the PC outside the axial PC The additional bars shall be not less than at a pitch not more than 110 mm covering shall be not cross- as practicable mm up in such a manner that they in 15 mm the PC steels and reinforcement, before being set up, free may hinder the adhesion of concrete shali be removed and shall be set in the PC steels and reinforcement same time, not less than 4/3 7.1.2 7.1.4 For etc which in axia! direction respect as uniformly cross size of the coarse aggregates steels and reinforcement diameter and be arranged they % with of bending pile by radia! direction The clearance between shal! be not less than steel diameter and, at the oil, either rust, are fixed in the right position | ‘ _—— “2, , Á 5335-1987 ~ 7,2 " ` Concrete 7.2.1 The quality of concrete used for manufacturing the PC piles shall be not less than 500 kgf/cm? {4.90 kN/cem?} in compressive strength when _tested fora specimen The compressive in diameter and 7.2.2 Water and strength as the prodtct testing shall be made The cencerete shall be mixed thoroughly 2.4 The amount of cnlorides contained 0.30 kg/m? as chlorine ions Lote of 10 em by mass in a concrete mixer in the unsolidified concrete : shall ?.3.1 The PC piles shall be formed according to the following procedure: 3.2 PC steeis and reinforcement in the mould, the wall thickness of pile will be uniform, by centrifugal force Before the process be pretersioned to the required stress pour the and compact the above-mentioned, The pointed end, jointing encs or head, if fitted to the PC pile, shall be in correct body position, and be fitted to make an integral part 7.4 Curing The curing shall be carried out by such a method ensure a satisfactory result about the quality of the product 7.5 with the that may Method of Prestressing 7.5.1 and the The PC both ends to loosen, steels shall be arranged in right thereof shall be fixed perfectly positions and so as for the PC prestressed, steels 7.5.2 The initial tension shall be enough to cause the required effective prestress, and be not more tnan 0.7 time tne tensile strength or not more than e time the yield strength of the PC steel 7.5.3 The prestress shail be introduced gradually 7.5.4 The compressive strength of concrete when it is prestressed shall be not less than times the prestress given and not less than 230 kgf/cm? £2.45 kN/em?}, In this case, the compressive strength testing shall be made in accordance with JIS A 1108 for a specimen of 10 em in diameter 20 cm in height cured in the same manner as for the product 7.6 : Forming Position the set up conerete in it so as concrete into shape Dài PC steels shal not _ - for the specimen The materials used for the concrete shall be measured liquid admixtures may be measured by volume 7.2.3 7.3 -.- 20 cm in height in accordance with JIS A 1132 and JIS A-1108 be not more than @ cured’ in the same way Jointing 7.6.1 equivalent End The jointing end performance to of PC the main pile shall be of a construction body having and , ` 7.6.2 The ing ends so that its end 7.6 The jointing end shali be.made to the longitudinal axis of the PC pile The 7.6.4 difference between the outside diameters at the joint- face is perpendicular of the joint the piles when jointed together shall be not more than mm Bending Strength 5335-1987 A steeis shall be fixed to the joint fittings - of PC ends fittings of Test 8.1 The bending strength test of main body shall be made by the application of vertical load P to the centre of the span, on the PC pile laid on two supports which has a span equal to 3/5 of its length, as shown in Fig countermeasure may be taken to prevent the occurrence of local at the loading or supporting points before the PC pile breaxs by Any fractures bending bending The shal! be calculated moment following equation: the from M= Fam m.+Š(ŠL —1 ) where M: ga; bending moment (tf-m){ kN: } acceleration due to gravity (1 tf/t)(9.81 m/s?} mi: mass of PC pile L: length P: load (2) {kNT of PC Fig (t) pile (m) Loading Method ƒ t I - 7” 92x33 T — oe Table) : i sậL mm I “———>*®—————- see4) : tyFL (see Reference Ì 8.2 The breaking bending moment shall be obtained from the equation in 8.1 using the maximum value of the load P observed until the PC pile breaks 8.3 The bending strength test of joint shail be mace in accordance with the jointed portion being positioned at the centre of the span with Inspection 9.1 Characteristics appearance, strength shape, to Be Inspected dimensions, of jointing end, bending arrangement The inspection strength of PC steels shall be made of main body, on bending and reinforcement 8.1, 9.2 shape TS * A 5335-1987 cv ¬ i ` Appearance, Shape and Dimensions The inspection on appearance and shall be made-for all prdducts and the inspection for dimensions shall-be * made for the piles sampled from a set of PC piles, and when the requirements of 3.1 and ave satisfied, this set shall be acceptable as a-whole Number of FC piles included in set and number of PC piles to be sampled are decided in accordance with the agreement between the parties concerned in delivery 9.3 Bending Strength 9.3.1 of Main Body and Jointing End The cracking inspection for main body shall be made by making the cracking test in accordance with 8.1 for the two PC piles sampled PC piles, and the whole lot shall be decided as acceptable, if both the requirements of 3.2 In the case where either of the two fails the requirements of 3.2, additional four piles sampled from the lot subjected to cracking test, from a lot of two meet to meet shall be and the whole lot shall be decided as acceptable, if all the four meet the requirements The size of lot shall be determined upon agreement between the parties concerned 9.3.2 In the destructive inspection of main body, either of the initial two samples shall be tested in accordance with 8.2, and the whole lot shall be Gecided as acceptable, if they meet the requirements of 3.2 The destructive inspection between the parties concerned 9.3.3 The jointing end This inspection, however, the parties concerned may omitted, subject to an agreement shall may be be inspected be omitted, similarly ae to the main subject’to an agreement body between 9.4 Arrangement of PC Steels and Reinforcement The inspection on arrangement of the PC steels and reinforcement shall be made for the PC pile which has been subjected to the destructive inspection in accordance with 9.3.2, and the menis shal `¡ 10 arrengement On that “occas!on, the also be inspected be decided as acceptable, if it meets the require- wall thickness of the broken part in the PC pile © Designation The PC piles pretensioned length (m) spun Example: Ll shal of shall be designated concrete PC-A pile, in the order of the classification, outside symbol diameter 500-11 Marking The PC piles shall be marked (1) Designation (2) Manufacturer's (3) Name or (4) Date the following particulars: name or its abbreviation abbreviation of forming with of manufacturing works PC (mm) indicating and