(1) qa 50kN/m 2 qa 13 1113 1 (2) (3) (2) 50 qa 100kN/m 2 13 1113 1 (3) qa 100kN/m 2 qa 120kN/m 2 (1) qa 300kN/m 2 qa 13 1113 1 (2)
(2) qa 300 kn/m 2 qa 1000kN/m 2 38 3 50 30 3 /10m 42 1 13 1113 5 6 30 5 (1) (2)
(1) (2)
38 2
(1) (2) 20kN/m 2 (3) 38 3 12 1347 1 20kN/m 2 30kN/m 2 30kN/ m 2 38 4 12 1347 2 38 4 12 1347 2 (1) (2) (3)
(1) 13 1113 2 2 1 2 2 qa qt 1/3 N 2 D 2 1 qa 2qt 1/3 N 2 D 2 2 13 1113 2 2 3 2 4 qa 1/3 ic C Nc i 1 B Nr iq 2 D Nq 2 3 qa 2/3 ic C Nc i 1 B Nr iq 2 D Nq 2 4 13 1113 2 2 5 2 6 qa 30 0.6Nsw 2 5 qa 60 1.2Nsw 2 6 93 (2) D D (1) (2)
2 2 ( ) ( ) cm 1.0 1.5 2.0 2.0 3.0 cm 2.0 3.0 4.0 4.0 6.0 rad 0.5 1.0 10 3 1.0 2.0 10 3 2 3 ( ) ( ) cm 2 5 10 10 15 cm 4 10 20 20 30 2 4 ( ) ( ) cm 1.5 2.0 2.5 3.0 4.0 cm 2.0 3.0 4.0 6.0 8.0 rad 0.3 1.0 10 3 0.5 1.0 10 3 2 2 2 4
(1) (2) (1) 12 1446 1 1 37 2 (2) 13 1113 8
13 1113 5 (1) 13 1113 8 RC PHC 2.5 75cm (2) JIS A 5525 2.0 2.5 75cm (3) d 600mm (4) L10d 4.5m (5) RC PHC L /d 90 110 130 (1) (2) (3)
(1) (2) (1) 1/2 1/3 2 5 2 6 (2) 2 7 2 8 2 8 Ra 1/3 300N Ap 10Ns Ls/3 qu Lc/2 2 7 Ra 1/3 300N Ap 2 8 2 5 2 6 2 5 kn (mm) 300 350 400 450 500 600 ( ) (RC ) 450 550 700 800 1050 1400 (F 40 N/mm 2 ) 2 L/d 70 (L/d 70 ) 90 700 800 1050 1300 1650 2250 (PHC ) (F 80 N/mm 2 ) ( =4 N/mm 2 ) 1600 1850 2400 2950 3750 5100 650 850 1050 1300 1650 2300 ( =8 N/mm 2 ) 1500 1850 2350 2850 3600 4950 600 750 900 1150 1450 2000 L/d 85 (L/d 85 ) 110 (F 85 N/mm 2 ) ( =10 N/mm 2 ) 1450 1750 2200 2700 3400 4650 F N/mm 2 N/mm 2 L m m 13 1113 8 2
2 6 kn F (kn) (N/mm 2 ) (mm) (mm) (mm) (mm 2 ) ( 1/100m 2 ) SKK400 SKK490 SKK400 SKK490 318.5 6.9 5.9 5757 209 290 805 1113 7.86 10.3 9.3 8975 222 307 1330 1839 6.4 5.4 5907 205 284 810 1121 355.6 7.9 6.9 7515 9.82 210 291 1056 1460 11.1 10.1 10899 221 306 1608 2224 400 406.4 500 9 8 9801 211 292 1382 1911 12.44 12 11 13373 220 304 1964 2716 9 8 9962 211 292 1402 1939 12.84 12 11 13594 219 304 1992 2755 9 8 12315 206 286 1697 2348 12 11 16829 19.47 213 295 2399 3318 L/d 100 (L/d 100 130 1.5 ) 14 13 19807 218 302 2885 3991 9 8 12516 206 285 1723 2383 508 12 11 17105 20.1 213 295 2434 3366 14 13 20134 218 301 2927 4048 9 8 14828 203 281 2013 2784 600 12 11 20285 209 289 2833 3919 28.08 14 13 23891 213 295 3399 4702 16 15 27473 217 300 3981 5506 L (m) d a 1mm bf 1.5 F = F (0.8 2.5t/r) 0.01 t/r 0.08 F = F 0.08 t/r F (N/mm 2 ) t (mm) r (mm) c (N/mm 2 ) F /1.5 F/1.5 F /1.5 F/1.5 3 1.5 c 13 1113 8 2
(1) (2) (1) 2 /3 2 5 2 6 (2) 2 2 5 2 6 (1) (2) 1 20% (1) Ra F / (5S 0.1 FH H F 2 H H (2)
13 1113 5 (1) 13 1113 8 RC PHC (2) 2 (3) d 600mm (4) L 10m 10d 5m 10m (5) RC PHC L /d 90 110 (1) (2) (3) (4) ( ) 2001
(1) (2) (1) 1/2 1/3 2 5 (2) 2 11 2 12 2 12 Ra 1/3 200N Ap 10Ns Ls/3 qu Lc /2 2 11 Ra 1/3 200N Ap 2 12 2 5 (1) (2) (1) 2/3 2 5 (2) 2 2 5 (1) (2) 5m 10m 1m 5% (1) 1.0m 2 1.5m (2) (3) ( ) 2001
(1) (3) 700mm (1) 4.0m (2) BH 1.5m (3) 4.0m (1) l d D l 2d l d 1.0 m (d D) l l D 1.0 m (2) 20cm (3) 10cm (4) 0.4 5d 0.6 (5) 30cm 5d 15cm (6) (7) 50cm 30
(1) (2) (1) 1/2 1/3 2 7 (2) 2 13 2 14 2 14 Ra 1/3 150N Ap (10 Ns Ls /3 qu Lc /2) 2 13 Ra 1/3 150N Ap 2 14 2 7 2 7 (N/ m 2 ) (N/ m 2 ) 21 5.25 0.52 1.57 24 6.00 0.54 1.73 (N/ m 2 ) 27 6.75 0.57 1.82 30 7.50 0.59 1.91 33 8.25 0.61 2.00 36 9.00 0.63 2.09 21 4.66 0.46 1.40 24 5.33 0.53 1.60 27 6.00 0.57 1.80 30 6.00 0.59 1.91 33 6.00 0.61 2.00 36 6.00 0.63 2.09 2 L/d 60 1.5 (L/d 60 )
2 (1) (2) 1m 10 10 (1) (2) 50 5m (1) 2 8 (2) 2 7 2 8 kn/m 2 1500 2000 1000 1500 2
(1) 13m 3000m 2 1m 2 100kN ( ) 5 (2) (1) (2) (3) (4) (5) 2 9 2 9 4.0 5.0 5.4 6.0 1.0 1.1
(1) 2 10 (2) 8m 12m 2 11 (3) 2 (4) N( ) 1 9.0 kn/m 2 (5) 2 10 2 10 kn m 4.0 5.0 5.4 6.0 7.0 8.0 N 10 80 90 100 110 120 140 10 N 1 60 70 80 90 100 120 40 50 60 70 80 100 2 11 kn m 9.0 10.0 11.0 12.0 N 10 160 180 200 220 10 N 1 140 150 170 180 110 120 130 140
(1) 2 11 (2) (3) (4) 2 11 245 S 53 11 7 7 L=4.0m,5.4m,5.5m,6.0m,7.0m,8.0m ( ) ( )
15m 2cm/ 5.2.4
(1) (2) Y.L.Chang (3) L (4) (5) (6) (7)
(1) (2) 20 31 300kN/m 2 (1) (2) (1) 25 (2)
6 1 2 3 START 6 1 2 3 No Yes 300kN/m 2 ( ) 1.5D () (b) 300kN/m 2 (b) (Lc) 5m Lc/b 5 (Lc) 5m Lc/b 3 ( 1500kN/m 2 ) H/B() 4 Yes No ( H/B 6) 20m 20m 31m 31m (1) (2) (3) (1) (2) (3) END
(1) (2) b (3) Lc Lc /b 3 5m Lc /b 2.5 3m 1500kN/m 2 (1) (2) (3)
H/B 4 20m 86 6 12 1457 Gs 7
(1) 2 2.0Fc 2.5 2.5Fc (2) 1 Xf = t Fc Xf kn/m 2 t Vd 80% 95% Fc kn/m 2 95% 90% 1m 5% 1 3 (1) 2 15 2 16 XN X 2.0 Fc 2.5 2 15 Xi Fc 2 16 (2) A 2 17 XN X Fc ka d 2 17 (3) B 2 18 Xn X Fc kb 2 18
50 100mm 75mm 50 100mm 100mm 2 13 B 28 28 20 3 JIS A 1216 JIS A 1108 28 ( () () 2 13
2 2m X1 Xl uf q /d1 Xi Fc