1、maxNmaxAF maxmaxWMz S AFtmaxmax WT*maxmaxSmax bISFzz Eb1 )(13211E )(321 2smax s3131max)(21 31 ()()()222d1223312s16126vEE 2ds126vE)()()(21213232221 )()()(21)(2132322214r313r3212r11r r 阿托阿托莫尔莫尔(O.Mohr),18351918O2OO1O3FN22222222c3123t311331c231t1OOOOFONO 231321OOOOFONO t3ct1 （a）Dyz（b）MPa904 tpDMPa90MPa
2、18021 MPa155 )()()(212132322214r MPa1802 tpD 2)(31 2 3 3)()0()0(21222 6.0577.03 （b）（c）70 MPa140 MPa80 MPa（d）50MPa（a）MPa120)0120()120120()1200(212224r 01 MPa12032 MPa120)120(0313r MPa128)140(1103021MPa1402224r313r 1140MPa110MPa2 03（a）180MPa-70MPa2-3140MPa28.572.9440)23070(2307022minmax MPa72941.MPa28
3、53.MPa502 zMPa2203r MPa1954r MPa44893r.MPa5.774r 140 MPa80 MPa（c）70 MPa（d）50MPaFFMPa7.351.0700016MPa37.6101.05043t32N WTAF32397.35)237.6(237.6)2(22222minmax MPa32,0,MPa39321 1 MPa4.9410)37.73.088.1(3.011.2 )(1722 yxxE xyAA003r7.71701701.183 MPa1.18310)88.13.037.7(3.011.2)(1722 xyyE 0,MPa4.94,MPa1.18
4、3321 MPa1.183313r 0.42CDAB0.421.662.500.42CDAB0.421.662.50maxmaxWMz 36maxm10494 MWz m1062.24m1085.0m1071142*248 SIdIzzMPa5.95maxS*maxmaxSmax dSIFdISFzz 122 13.7126.32808.5 126.3 )(MPa1.149max zAAIyM36*m10223)27.133.126(7.13122 ASMPa8.73*maxS dISFzAA 122 13.7126.32808.5 126.3MPa197)()()(212132322214r 221)2(2 02 223)2(2%9.15%1004r .
