钢 筋 焊 接 及 验 收 规 程JGJ18-96.pdf

specification for welding and acceptance of reinforcing steelbars jgj 18-96 : : :199761 1996 1996 631 (),: 1991 413 , , jgj18-96, 1997 6 1 jgj18-84 , 1996 12 23 1 1.0.1 , , 1.0.2 1.0.3 , 1.0.4 , 2 2.0.1 resistance spot welding of reinforcing steel bar , 2.0.2 flash butt welding of reinforcing steel bar , 2.0.3 arc welding of reinforcing steel bar , 2.0.4 narrow-gap arc welding of reinforcing steel bar , , 2.0.5 electroslag pressure welding of reinforcing steel bar , , 2.0.6 gas pressure welding of reinforcing steel bar , 2.0.7 submerged arc pressure welding of reinforcing steel bar at prefabricated components t, 2.0.8 pressed depth ,() d y ( 2.0.8) 2.0.9 reinforcement;excess weld metal h y ( 2.0.9) 2.0.8 2.0.9 2.0.10 bond , 2.0.11 heat-affected zone ,(), 2.0.12 ductile fracture (, ) 2.0.13 brittle fracture (, ) 3 3.0.1 ,: gb1499; gb13013; gb13014; gb13788; gb701 gb50204 3.0.2 , , gb700 gb1591 3.0.3 , gb5117 gb5118 ,;, 3.0.3 3.0.3 t e4303e4303e4316 e4315 e4303 e4303e5003e5016 e5015 e4303 e5003e5503e6016 e6015 : 3.0.4 ,; , 3.0.5 , hj431 3.0.6 , 250 300 2h , 3.0.7 , 3.0.8 gb3863 , 99.5%; gb6819 , 98.0% 4 4.1 4.1.1 , 4.1.1 4.1.1 (mm) 614 35 412 1040 1025 1025 1040 1025 1040 1025 1040 1025 1040 1025 2040 25 1840 1825 1840 1825 840 1640 625 2025 1440 1440 625 4.1.2 ; 4.1.3 , ; gb50204 4.1.4 , , 4.1.5 , ;, 4.1.6 , , 5% 8%, ; 8%, 5%, 4.1.7 , 4.1.8 , gb9448 , , 4.2 4.2.1 , 4.2.2 , 10mm , 3; 12mm 14mm , 2 : 4.2.3 ;( 4.2.3) (a) (b) 4.2.3 (a) ; (b) u - ; b- 4.2.4 ,: dmin 0.6dmax dmax; dmin; 4.2.5 ,: 0.7dt dl 1.25dt dl-; dt- 4.2.6 4.2.7 , dn3-75 , 4.2.7-1 ; 4.2.7-2 (s) 4.2.7-1 (mm) 34 568101214 10.080.100.12 20.050.060.07 30.220.701.50 40.200.601.252.504.00 50.501.002.003.50 60.400.751.503.00 70.501.202.50 :, 20% 25% (n) 4.2.7-2 (mm) 3980 1470 4980 14701470 1960 51470 19601960 2450 61960 24502450 2940 82450 29402940 3430 102940 39203430 3920 123430 44104410 4900 143920 49004900 5880 4.2.8 : a., 25% 45%; b. ,()25%40% 4.2.9 , 4.2.10 , 4.2.10 4.2.10 (mm)(mm) 3 1030 12 1440 ,;, 4.2.11 , 4.2.11 , 4.3 4.3.1 ;: a., 4.3.2 , ; b.,; c. 4.3.2 , 4.3.2 4.2.11 1.;1.; 2.;2.; 3.;3.,; 4.;4., 1.;1.; 2.;2.; 3.;3. ; 4.4. 1. ; 1. ; 2. ; 2. ; 3.;3.; 4.4.; 4.3.2 (kv a)(mm) 16025 22 20 10020 18 16 8016 14 12 4.3.3 , ( 4.3.3a); : ( 4.3.3b) 4.3.4 , , 40 60mm 4.3.5 , (), 8mm , , 10mm 10mm 4.3.6 , 1 2mm, 1 4 ; 1.5 2s, 3 4s 4.3.3 (a) : l1l2 - ; a1+a2 - ; c1+c2 - ; 2 1 cc + - ; “ 2 “ 1 cc + - (b) -: l1l2 - ; a1.1+a2.1 - ; a1.2+a2.2 - ; b1+b2 - ; 2 1 cc + - ; “ 2 “ 1 cc + - 4.3.7 4 10mm,(, 1/3) , 30% 4.3.8 4.3.9 , , 0.6 4.3.10 ,- , : a.,; b.,;, , 3s; c. 750 850 , 4.3.11 , , 4.3.12 un2 150 () un17 150 1 ( ),; ,: a.; b.; c. 4.3.13 , 4.3.13 , 4.3.13 1. 2. 1. 2. 3. 1. 2. 3. 4. 5. 1. 2. 3. 1. 2., 3. 1.; 2., 1. 2. 3., 4. 1. 2.; 3. 4.4 4.4.1 : 4.4.2 (a) ; (b) d - ; l - a.,; b.,; c.; d., 4.4.2 ,( 4.4.2a),( 4.4.2b) l 4.4.2 , ;, 4.4.2 l 8d 4d 10d 5d :d (mm) 4.4.3 ( 4.4.3a) ( 4.4.3b), 4.4.2 4.4.4 s0.3;, 0.7 ( 4.4.4) 4.4.3 (a) ; (b) d - ; l - 4.4.4 b - ; s - d - 4.4.5 ,: a., 2 5mm; b.,; c.,;, 20mm; d.,;, 4.4.6 20mm ( 4.4.6): 4.4.6 a. 40 60mm, 80 100mm; b.; 10 16mm; c.,; d. 1 , 3mm; e., 1 3 , 4.4.7 16mm , ,( 4.4.7);: 4.4.7 a.; b., 3.0.3 ; c. 4.4.7 ; d., ,; e. 4/5 ,;, ; f. 3mm, 4.4.7 (mm)(mm)(mm)(a) 169 113.2100 110 189 113.2100 110 2010 123.2100 110 2210 123.2100 110 2512 144.0150 160 2812 144.0150 160 3212 144.0150 160 3613 155.0220 230 4013 155.0220 230 4.4.8 t ( 4.4.8), : a. 0.6 , 6mm; b.; 8mm; 6mm; c.,k0.5;,k 0.6 ; d., 4.4.8 t (a) ; (b) k - 4.4.9 ,( 4.4.9): a. l 4 , l 5 ; 4.4.9 d - ; l - ; b - ; s- b. 0.5 , 0.35 4.4.10 ,: a., 14 , 250mm; 14 , 350mm ; b., , 850 ; c., 4.4.11 : a.,; b.,v 55 65 ( 4.4.11a) , 40 55 , 0 10 35 45 ( 4.4.11b); 4.4.11 (a) ; (b) c. 4 6mm, 40 60mm , 10mm,; d., 4 6mm;, 3 5mm 10mm 4.4.12 : a. , 2 3 ; b.; c. v 2 3mm, 3mm, ; d., , 4.5 4.5.1 ( 4:1 ), 4.5.2 , 4.5.3 , 4.5.4 : a.;,; b.,; c., ,; d.,;, 4mm( 4.5.4) 4.5.4 4.5.5 , 4.5.5 , 4.5.5 (mm) (a) (v)(s) u2.1 u2.2