3 14 10 18 7 20 10 SS SN 21 3 24 4
... 1... 5... 13
f ck=40n/mm 2 P d1 =60kN/ f ck=40n/mm 2 P d2 =100kN/ f ck=40n/mm 2 P d3 =150kN/ UAUBUC TATBTC DADBDC 115mm 75mm 115mm 75mm 160mm 120mm D13 6.0% l l l 1
2
3
4
JIS G 3138 JIS G 3138 JIS G 3475 JIS G 4051 JIS G 3101 JIS G 3106 JIS B 1180 JIS B 1181 SNR490B JIS H 8641 HDZ35 SNR490B JIS H 8641 HDZ35 STKN400W,B,STKN490B JIS H 8641 HDZ35 S45C JIS H 8641 HDZ35 SS400 JIS H 8641 HDZ35 SM490 JIS H 8641 HDZ35 6g JIS H 8641 HDZ35 7H JIS H 8641 HDZ35 S45C 16mm18mm20mm22mm25mm M18M20M22M24M27 M18M20M22M24M27 M18M20M22M24M27 300 mm300 mm, 400 mm400 mm 75mm75mm150mm150mm 4.5mm M18M20M22M24M27 90mm 440mm 3.2mm4.5mm6.0mm9.0mm 5
(a) M18 M20 M22 M24 M27 (mm) 16 18 20 22 25 (b) 6
(mm) A(mm) B(mm) C(mm) D(mm) M18 21 48 16 16 465 M20 23.5 58 20 18 465 M22 23.5 58 20 20 465 M24 25 62 22 22 465 M27 25 70 25 25 445 (mm) (mm) (mm) (mm) (mm) M18 M20 13 30 34.6 30 35 8.8 M20M22 M22 14 32 37 30 40 8.8 M24M27 M24 15 36 41.6 30 45 10.9 (mm) (mm) (mm) M18 M20 16 30 34.6 M20M22 M22 18 32 37 M24M27 M24 19 36 41.6 7
(c) (mm) (mm) (kn) M18 280 27 62.4 M20 280 27 79.6 M22 280 30 98.5 M24 280 32 115.0 M27 300 37 149.0 (d) L(mm) M18 (M18 ) 80 M20 (M20 ) 80 M22 (M22 ) 80 M24 (M24 ) 80 M27 (M27 ) 90 (e) 8
(mm) (mm) (mm) M18 19.5 M18 M20 21.5 M20 300300 M22 28.5 4.5 M22 400400 M24 28.5 M24 M27 28.5 M27 9
(mm) (mm) (mm) M18 19.5 M18 7575 M20 21.5 M20 M22 28.5 4.5 M22 M24 150150 28.5 M24 M27 28.5 M27 () (mm) () (mm) () (mm) M18 20343.2 152731.2 M20 22373.2 163034.6 M22 183237.0 28.5506.0 M24 193641.6 28.5506.0 M27 30504.5 224147.3 10
(f) 2 2 T h (mm) (mm) (mm) (mm) (mm) (mm) 3.2D 3.2 440.0 21.5 53.5 66.4 133.2 4.5D 4.5 440.0 23.5 52.5 69.0 134.5 6.0D 6.0 440.0 25.5 51.5 72.0 136.0 9.0D 9.0 440.0 25.5 51.5 78.0 139.0 h (mm) (mm) (mm) (mm) (mm) (mm) 3.2S 3.2 90.0 21.5 42.0 39.4 108.7 4.5S 4.5 90.0 23.5 41.0 42.0 110.0 6.0S 6.0 90.0 25.5 40.0 45.0 111.5 9.0S 9.0 90.0 25.5 40.0 51.0 124.5 11
M18M24 M2260 4.6 M27 M2260 8.8 1) 2002.3 12
31 kn/m kn/m c kn/m kn/m kn/m c kn/m 13
Hm N H 0 m 1m W wu kn/m H k m H 1 m BG BL m m kn/m kn/m kh m kn/m CkN/m D f D fb 14
b c m c m c kn/m Fs Fs Fs Fs eb/6 eb/3 Fs Fs Fs Fs 15
kn/ mm mm mm mm M M M M M 75 M M M 150 M M M M M M M M M M M M T M T M M T M M T M T M M T M M M T M M M T M M T M M M T M 16
1 K cos sin cos ( δ ) sin cosδ K A 3 3 / 2 cot sec ( ) cossin sin ( ) tan( ) A 3 H m 4 BGm BLm kn/m z m z m BGm 17
5 1 HH ( z H ) ik K kn/m K A kn/m z m H m q kn/m 2 i{ } () i ( i) (kn/m ) (kn/m ) (kn/m ) 18
i kn/m z i m z i m 3 hii ihi coshil i hi i kn/ ih i kn/m H ii m L iii m i i kn/ z i i m i i P i (kn/m ) cos H i L i (kn/) P hi (kn/) T i (kn/) 19
i Ti (kn/) M M M M M M M M M M M M M M M M M M M M 20
L rilrilri L ri m L ri i m L ri m m A i h L L ri L ri L i q pi = K A (H pi + z i +H k ) + K A q i i kn/ m K A 3kN/ m H i m z i i m H k =0.500 i kn/ m 21
i z i H i i kn/ m i kn/ m 1 ui cnc i N i Q ui kn/ m q i kn/ m c Nc kn/ m Nq 2 T i ui i F u T ai i kn/ Q ui kn/ m i m A i i m F Pu 22
i b i A i (m ) i kn/m Q ui kn/m 2 ai kn/ 3 T i T ai OK T ia kn/ T ai kn/ i m L i m L i i m i b i L i L i i kn/ ai kn/ 23
1 B m 0 m kn/ m c kn/ m W kn/ m kn/ m L s m W m P P H P PcoskN/ m P V P PsinkN/ m { CLscosWsin( ) } cos( ) W 2 L s 2 CBV Fs H CB ( Wr) 24 Fsa
Fsa Fsa VkN/m HkN/m B m c kn/m W r kn/m W r W W kn/m 1 ukc' N' ck ' DfN' ' BN' r kn/m Q u kn/m k kd f B D f m B m kn/m C kn/m N c N q N r tanhv V VP V W r kn/m H HP H kn/m 25
2 V B Q a kn/m Q u kn/m Q a kn/m Q a Q u FkN/m Q u kn/m F VkN/m B m 1 visinhi kn/m P vi kn/m P i kn/m u u H i m i z i P i (kn/m ) sin H i vi kn/ m 26
2 V B wcv kn/m V B kn/m w kn/m W w W wu HkN/m wu m kn/m u H m c kn/m c c b c h c kn/m c kn/m c m c m v kn /m 3 ubkbc' N' ckb ' DfBN' ' cn' r kn/m Q ub kn/m k B k ab D fb b c D fb D fb D f h c m c m c m C kn/m kn/m tan N c N q N r 27
4 V B bc B Q Ba kn/m Q Bu kn/m Q Ba kn/m Q Ba Q ub FkN/m Q ub kn/m F V B kn/m b c m d Bm d m M V MkNm/m VkNm/m ri TPi = Hi Li K P K P u T i = Min ( TiRi) 28
ri kn/m T i kn/ ti kn/ u H i m L i m T ai i kn/ F S z i m i z i H i L i T ai kn/ ri kn/ T i kn/ ri kn/ m 2 1 Fs = R c ( ) l W RW cos tan sin Fs R m i kn/m i m W ikn/m i i 29
2 Fs min Fsa M R M T knm /m M D X X Y Y R 1 K E A k h + tan A -<0 sin(-)=0 A K A k h 2 1 HH ik ( z H ) K E E kn/m K kn/m z m H m q kn/m 30
2 i{ } () i ( i) i kn/m z i m z i m (kn/m ) (kn/m ) (kn/m ) 3) hii coshil i hi i kn/ ih i kn/m H ii m L iii m 31
4) WhiW wu khhili W hi kn/ H i m L i m W wu kn/m kh 5) TiPhiWhi T i kn/ P hi kn/ W hi kn/ i i P i (kn/m ) cos H i L i (kn/) P hi (kn/) W hi (kn/) T i (kn/) 32
i Ti () M M M M M M M M M M M M M M M M M M M M 33
L ri m L ri i m L ri m i L ril ri m AE h L ri L L ri L ri L i 1 ik ( Hizi) Ki i kn/ m K AE 3kN/ m H i m z i i m i kn/ m 34
2 1 ui cnc i N i Q ui kn/ m q i kn/ m C Nc kn/ m [] Nq [] i z i H i i kn/ m i kn/ m 2 T i ui i F u T ai i kn/ Q ui kn/ m i m A i i m F Pu 35
3 TiTaiOK T ia kn/ T ai kn/ i b i L i L i i kn/ i kn/ 36
1 2 cbv Fs H cb Wr khw ( ) Fsa Fsa Fsa VkN/m HkN/m B m c kn/m W r kn/m 1 ukc' N' ck ' DfN' ' BN' r kn/m 37
Q u kn/m k kd f B D f m B m kn/m c kn/m N c N q N r tanhv V VP V W r kn/m H kn/m HP H kn/m 2 V Q a kn/m B Q u kn/m Q a kn/m Q a Q u FkN/m Q u kn/m F VkN/m B m 38
1 visinhi kn/m P vi kn/m P i kn/m u u H i m i z i P i (kn/m ) sin H i vi kn/ m v = 2 V B wcv kn/m V B kn/m w kn/m W w W wu HkN/m wu m kn/m H m c kn/m c c b c h c kn/m c kn/m 39
c m c m v kn /m 3 ubkbc' N' ckb ' DfBN' ' cn' r kn/m Q ub kn/m k B k ab D fb b c D fb D fb D f h c m c m c m C kn/m kn/m tan N c N q N r 4 V B bc B Q Ba kn/m Q Bu kn/m Q Ba kn/m Q Ba Q ub FkN/m Q ub kn/m F V B kn/m b c m 40
d Bm d m M V ri TPi = Hi Li K P ri kn/m T i kn/ ti kn/ u H i m L i m T ai i kn/ F S 41
i z i H i L i T ai kn/ ri kn/ T i kn/ ri kn/ m 2 1 Fs = R{ cl( WcoskhWsin) tan} ( RWsinkhWy) Fs R m i kn/m i m W ikn/m i i kh y G m 42
2 Fs min Fsa M R M T knm /m M D X X Y Y R 43