3.001:Mechnuies aud Matnink I forny 2003. 8uu2.2. %。P至b2 ==× 贵程 (a) atima中ple →的，=0之今=.sMR -18.75 M =3￥.5-127 =9.375 MPa
(b, 6所：生：6t 6:2 6:85+35+28-3755 2 6en---6的rAn28 =-8-3￥5m5知 三不f82MPa Problim 2 ibaty the le-g亚7eae4od e L。:ax45265 t·+愕)，433 6:35 w个e巧 6im :633 Exn.Eyo E 6￥.5 :0.1065 &·[8.-0sg]=7Et[og]
8p2 ge kquars ha,expaudd飞话wie 8e mal il a hlemtun,a phcer ohens veeds te as applee人.张mgyr aupli男2e 收。g =0832%12 则=…经-8)-a0958 =35￥1×0.096 =-3.42MPa g单3 fine axial lads ave te applced eeed-th小花rinipal shens dimeihrns,and tter oewbahm. 34 9-45 67 G.t :1不5+3.42 6=1￥5-1的 5-342 :4.33.M后 6
④ Problcun 3 :=E: K= 以2 Exx=E3y= geometic Crwyhatuh Lek Ar ab Ex:E(sx-(gt%》=。一I y(9g-(+的) Et=(-0(6y6x) m工auJ卫 6=)(6的y+G的22) 整(1-g) Gyy -(6x482) ( 1-0-20 DD(gy+的2)+6 :026的y+6:+): 6的y(1-D2)=D6￥(1+D) 7 P= abE(-v) k(0-2-22 6y(1-))62←4j 7 2.6 0) K= ab E(1-) (1-2-20 么i【g 6,2 6: (1) khl以，心可 品 -0 -2 62 刃
(6 0=0.s K= abE(1-05) (1-0.s-2×0.5) abExo.s AX口 化uc的 三a5,。fal uwnd usnemenk,ui以aTle以 ifat forve i afplied.Suik natinial anR INCOMPRtsSeLt",eihe lher.the tall 27e latinee eypmim 'b'ane abhelaged.iLey imwume To usbaue te Alock,Tha third dimewin'f nmain ahe haue Harce mo wonenen 之-ducchin与p6tk.'8队5大owolsts K-.∞ () 习的 0=0s 天=P十B 的REa):a.25 大：2.182a6E <<<0 fome 以e Explavadon hame ko ni pet (B) ,斗的2Ea/ )=0.25,te oatevalo nrt Lomgrve4泥 0 erhl对eho事t