郎颖娴等：玄武岩三维细观孔隙模型重构与直接拉伸数值试验 ·1003· Z方可位多mm 2万间花移mm Z方向位移mn Z方向位移mm -2011×10-3 -1.496x102 -1.723x0 -3.037×10-2 -1.683x10 =1435x10 -1.28i×10 -2564×10 -1355×10 -1.067×10- -1.148×10 -2.092×10 -1028×10 -8.524x10 -8.608×10 -1.619x10 6.998x10 -6.38Dx10 -5.736×10 -1.147x10 -3.720x10 4,235x10 -2.864×10 -6.743×10 4.426×10 -2.09×10 8.782×10 -2.018×10 2.835×10 5.368×10 2.881×10 2708x10 6.112×10- 2.198x10 5.753×10 7.433x10 9390x10 4.343x10 8.626×103■ 1.216x10T Step=1 Step=7-(5⑤) Step=8 Step=12 a Z方间位客mm Z方向位移mm Z方向位移/n 向位多mm -2.093x10- -1.716x102 -2.240x10 -3.672×10 -1.73x10 -1.419xl0 141×10 -3.00×1 -1378×10 -1.123x10 -1446x10 -2.348×10 -1021×10 8.272×10 -1049×10 -1.686×10 -6638×10 5.3"0×1G -6520×10 -1.024x10 -1165￥10- -2340x1 -254910 -3.618xl0 5.085×10 6.125x10 1442×10 3.001×10 4.082×10 3.574×10 5393×103 0.621×10 7.655x10 6.515x1 g364x10 1.624x10 1.123x109 9.497x10 1334x10 2.26x1 相伤图 伤图 损伤图 0.00x1 0000x1P 0.000x10 CCHIXIO x10 1.089x1D 1080x14 0.×1 2.178×10 2.178x10 2.17×1 0.000x10 0.000×10 3267×10 3.267×10 3.267×10 4.356x10 356×1 5.444×10 6.533×10 6.5333x0 0.000x10 7.622×101 7.622×10 7.622×10 0.000x10 8.711×10T 8.711×101 8.711x10 9.00x1 98×10 Scp=8-(1) Step=15 Z方向位移mm Z方向位移 艺向位移m Z方向位移mm -212×103 -1599×102 1.812×10 -3.436×10 -L758x10 -1.314×10 -1.49×10 -2.820×10 -1.386x10 -1028×10 -1.146x10 -2205×10 -1.015x10 7431×10 8128×10 -1.589x10 -6434×10 4578×10 9.735x10 2.7110- -1.726×10 78×10 -1468×10 -3578×10 9.958x10 1.127×10 L.862x10 》7R×0- 4.71lx10 3.979x101 5.192×10 8.734x10 8,426x104 6.831×10 8522×10 1.489x10 1.214x1H 9.684x10F 1.185×102 2.105x10- Step=6 Step-8-(1) Step=15 (e) 相伤摩 报伤图 损伤图 损伤图 .0x10P 0.000x1Y 0.00x1y 000x10P 1.007×103 1080x10- 1089×10 2014×101 2,178x10 2.178×10 3021×10 3.26710 .267x10 3,293×10 4.028×10 4356w10 .35x10 40 5,035×10 5.444×1 ,4441 5488×10- 6.043×103 6.533×10 6513×10 6.586x10+ T.050x10 7.622×1 7.622×10 7.683x10- &.057x10 871×10 8.711×10 878110- 9.064x10 9,800x10 9.800x10 9.878x10 Step=1 Step=6-(3) Step=7-(3) Step=15 (d) 图8裂纹扩展过程和单元损伤图.(a)试样2裂纹扩展图：(b)试样3裂纹扩展图及单元损伤图：(c)试样4裂纹扩展图：(d)试样5单 元损伤图 Fig.8 Images showing crack propagation process and element damage:(a)the crack propagation of sample 2;(b)the crack propagation and ele- ment damage of sample 3;(c)the crack propagation of sample 4;(d)the element damage of sample 5郎颖娴等: 玄武岩三维细观孔隙模型重构与直接拉伸数值试验 图 8 裂纹扩展过程和单元损伤图. (a) 试样2 裂纹扩展图; (b) 试样3 裂纹扩展图及单元损伤图; (c) 试样4 裂纹扩展图; (d) 试样5 单 元损伤图 Fig. 8 Images showing crack propagation process and element damage: (a) the crack propagation of sample 2; (b) the crack propagation and ele鄄 ment damage of sample 3; (c) the crack propagation of sample 4; (d) the element damage of sample 5 ·1003·