1、 q d9 5s 1. r ( 72Q /sC D 3 10 Y # r Q /s / 54 67 68 78 70 66 67 70 65 69 rAs r V jV sb 05.0= ! r 9 (ZsY,X 93.5,4.67 = sx _ 05.0= /_L ! 72:72: 0100 = HH L ! H |_d9 0 H )9( 10/ 72 t S X T = 05.0)9( 10/ 72 2 05.0 = t S X P V 2622.2)9( 2 05.0 =t # ),2622.2()2622.2,( + U . T 2622.2453.2 10/93.5 724.67 =
2、 =T rAsb 0 H 2. 3 Z X P V # 325.2 01.0 =Z ),325.2( + . T 325.25.1 3/40 20 t S X P V 6041.4)4( 2 01.0 =t # ),6041.4()6041.4,( + U . 013.0,252.3 = sx T 6041.4344.0 5/013.0 25.3252.3 = =T s V c ( 3.25b 0 H 4. A s 10 %037.0%,452.0 = sx !98 s 98 ( k 05.0= /_L ! %04.0:%;04.0:)2( %5.0:%;5.0:)1( 10 10 = = H
3、H HH 1 L ! H |_d9 0 H )9( 10/ 005.0 t S X T = 05.0)9( 10/ 005.0 05.0 = t S X P V # 8331.1)9( 05.0 =t )8331.1,( . %037.0%,452.0 = sx T 8331.11024.4 10/%037.0 %5.0%452.0 = =T s b 0 H 1 H 2L ! H |_d9 0 H )9( %)04.0( )110( 2 2 2 S K = 05.0)9( %)04.0( 9 05.01 2 2 2 = = =K s b 0 H 1 H 5. Bq 1 pq ( p 1200l
4、 H SV 50l H B q | 9 ( p 1178=x l HS 54=s l HbXq p V s k 05.0= / q 1 p$ 1 _ 05.0= /_L ! 1200:1200: 0100 = HH L ! H |_d9 0 H )8( )50( )19( 2 2 2 S K = 05.0)8( )50( 8 05.0 2 2 2 = S P V # 507.15)8(05.0 2 = ),507.15( + . 54,1178 = sx K 507.153312.9 )50( )54(8 2 2 = HH L ! H |_d9 0 H )8( )005.0( )19( 2 2
5、 2 S K = 05.0)8( )005.0( 8 05.0 2 2 2 = S P V # 507.15)8(95.0 2 = ),507.15( + . K 007.0=s 507.1568.15 )005.0( )007.0(8 2 2 = =K # V LSA vb 0 H 7. P A, B 3 B C | A 3 220q ( 2.46kg S 0.57kgb | B 3 205q ( 2.55kgS 0.48kgb ! 98V s OZMA 05.0= / ? P B 3 ( P A 3 ( v$ _ 05.0= /_L ! BABA HH = : 10 L ! H |_d9
6、0 H )2205220( 205 1 220 1 + + = t S YX T 05.0)223( 205 1 220 1 05.0 = = + + + =T # V FAsb sb 0 H 9. JY B cM BZES 5Qs ZsY 0.4322 0.5006b JaY98 s ZsY k 22 YJ 05.0= / _L ! b 22 1 22 0 :,: YJYJ = HH L ! H |_d9 0 H )4,4( 2 2 F S S F Y J = 05.0)4,4()4,4( 2 05.0 2 2 2 05.0 1 2 2 = F S S F S S P Y J Y J U V
7、 1042.0 )4,4( 1 )4,4(,6.9)4,4( 025.0 2 05.0 1 2 05.0 = F FF # . ),6.9()142.0,0( +U F5006.0,4322.0 22 = YJ ss 8634.0 5006.0 4322.0 =F s # V b 0 H 22 YJ = 10. y q P F 3 r v , |s . | PJ F v 20 v , ( 310kg / cm 2 ,S 4.2kg / cm 2 , | PY F v 16 v , ( 308kg / cm 2 ,S 3.6kg / cm 2 , ! 98 V s , =0.01/ , (1)
8、? 98ZM ? (2) ? PJ F v ( AY F v ( ? ! PJa Y F r v sY XaY5 XjN , 1 2 ,YjN 2 , 2 2 . 1 _ a=0.01/_L ! H 0 1 2 = 2 2 H 1 1 2 2 2 H 0 H |d9 )15,19( 2 2 F S S F Y J = PF F 0.01/2 19,15 =0.01, sV F 0.01/2 19,15 =3.88, F 1-0.01/2 (19,15)=1/ F 0.005 (15,19)=0.28 V7 (0,0.28)(3.88,+)b | S 1 =4.2,S 2 =3.6 , F 4.
9、2 2 /3.6 2 =1.36 0.28 + t S YX P V # 4411.2)34( 01.0 =t ),4411.2( + . 6.3308,2.4310 2211 = sxsx T 4411.251.1 21620 6.3152.419 308310 22 = + + =T s # V PJ F v ( + t S YX P V # 7459.1)16( 05.0 =t ),7459.1( + . 026.013.0,095.024.0 2211 = sxsx T 7459.1909.2 299 026.08095.08 13.024.0 22 = + + =T # V ) c q1) -b 0 H
