【正文】 1/4 下半部分gen zon radcyl p0 0 0 p1 0 p2 1 0 p3 0 0 amp。 size 5 2 10 4 dim rat 1 1 1 group outrockysgen zone cshell p0 0 0 p1 0 0 p2 1 0 p3 0 amp。3二次襯砌rest model elas range group concretlinerxymodel elas range group concretlinerxzmodel elas range group concretlinersymodel elas range group concretlinerszini density 2600 range group concretlinerxyini density 2600 range group concretlinerxzini density 2600 range group concretlinersyini density 2600 range group concretlinerszprop bulk=, shear= range group concretlinerxyprop bulk=, shear= range group concretlinerxzprop bulk=, shear= range group concretlinersyprop bulk=, shear= range group concretlinerszstep 2000save plot block group第七章 分離式公路隧道施工過程分析72 IV級圍巖施工過程模擬new。 group insiderockxy any group concretlinerxy anystep 2000save 。1全斷面開挖rest ini xdis ydis zdis model null range group insiderocksz any group concretlinersz any amp。圍巖的密度prop bulk=, shear= fric=45, coh= tension=2e6。給定邊界條件fix z range z ,fix x range x ,fix x range x ,fix y range y fix y range y ,。對稱得出完整模型gen zon reflect dip 90 dd 90 orig 0 0 0。1/2右側(cè)中間部分土體網(wǎng)格gen zon brick p0 0 0 p1 50 0 0 p2 1 0 p3 0 size 20 2 5 group outsiderock3gen zon brick p0 0 9 p1 50 0 9 p2 1 9 p3 0 0 size 20 2 5 group outsiderock3。 dim rat 1 1 1 1 group concretlinerxy fill group insiderockxy。1/4 下半部分gen zon radcyl p0 0 0 0 p1 0 0 9 p2 0 1 0 p3 0 0 amp。size 5 2 10 4 dim rat 1 1 1 group outsiderocksygen zone cshell p0 0 0 0 p1 0 0 p2 0 1 0 p3 0 0 size 1 2 10 4 amp。4二次襯砌rest model elas range group concretlinerxymodel elas range group concretlinerxzmodel elas range group concretlinersymodel elas range group concretlinerszini density 2600 range group concretlinerxyini density 2600 range group concretlinerxzini density 2600 range group concretlinersyini density 2600 range group concretlinerszprop bulk=, shear= range group concretlinerxyprop bulk=, shear= range group concretlinerxzprop bulk=, shear= range group concretlinersyprop bulk=, shear= range group concretlinerszstep 2000save III級圍巖施工過程模擬new。3下半斷面開挖rest model null range group insiderockxz any group concretlinerxz any amp。 group insiderocksy any group concretlinersy anystep 2000save plot cont zdisp 。new。體積、剪切、摩擦角、凝聚力、抗拉強度step 6000save 。0求解自重應力場model mohr ini density 2200 。設(shè)置重力加速度set gravity 0 0 10。1/2右上側(cè)和下側(cè)土體網(wǎng)格gen zon brick p0 0 p1 50 0 p2 1 p3 0 size 20 2 8 group outsiderock4
gen zon brick p0 0 p1 50 0 p2 1 p3 0 9 size 20 2 12 group outsiderock5
。1/2繪制上下地層網(wǎng)格gen zon brick p0 0 0 p1 0 p2 0 1 p3 0 0 size 5 2 8 group outsiderock1
gen zon brick p0 0 0 p1 0 p2 0 1 p3 0 0 9 size 5 2 12 group outsiderock2。 size 5 2 10 4 dim 4 4 rat 1 1 1 group outsiderockxygen zone cshell p0 0 0 0 p1 0 0 4 p2 0 1 0 p3 0 0 size 1 2 10 4amp。 dim rat 1 1 1 1 group concretlinersy fill group insiderocksy。1/4 上半部分gen zon radcyl p0 0 0 0 p1 0 0 p2 0 1 0 p3 0 0 size 5 2 10 4amp。5右上半斷面開挖rest plot block groupplot add axes redmodel null range group insiderocksy any group concretlinersy anystep 2000save plot cont zdisp rest sel shell id=1 range x z cyl end1 0 0 0 end2 0 1 0 rad sel shell id=1 prop iso=(,) thick=step 2000plot cont zdisp save 。 tension=5e5, range group outsiderocksy any group outsiderocksz anymodel null range group insiderocksz any group concretlinersz anystep 2000save plot cont zdisprest sel shell id=1 range x z cyl end1 0 0 0 end2 0 1 0 rad sel shell id=1 range x z sel shell id=1 prop iso=(,) thick=step 2000plot cont zdisp save 。繪制豎向應力場，如圖617所示 。繪制豎向位移場，如圖615所示plot cont szz 。plot cont zdisp 。求解6000次Solve 。莫爾～庫侖模型ini density 2000 。設(shè)置前邊界fix y range y , 。設(shè)置左邊界fix x range x , 。設(shè)置重力加速度為z方向10fix z range z , 。size 20 2 12 group outsiderock5gen zon reflect dip 90 dd 90 orig 0 0 0plot set rotation 30 0 30 。size 20 2 5 group outsiderock3gen zon brick p0 0 p1 50 0 p2 1 p3 0 amp。size 5 2 12 group outsiderock2gen zon brick p0 0 0 p1 50 0 0 p2 1 0 p3 0 amp。 size 1 2 10 4 dim rat 1 1 1 1 group concretlinerxy fill group insiderockxy plot block groupplot add axes red gen zon brick p0 0 0 p1 0 p2 0 1 p3 0 0 amp。 size 1 2 10 4 dim rat 1 1 1 1 group concretlinersy fill group insiderocksygen zon radcyl p0 0 0 0 p1 0 0 9 p2 0 1 0 p3 0 0 amp。 主隧道開挖25mmodel null range group main1step 1000save plot set rotation 0 0 60 plot cont zdisp outl on第六章 雙線鐵路隧道施工過程分析62 V級圍巖施工過程模擬（1）建立隧道1/4圓周模型gen zon radcyl p0 0 0 0 p1 0 0 p2 0 1 0 p3 0 0 amp。 symmetry cond.sel node fix x yr zr range x 。 輔助隧道開挖25 m計算rest ini xdis ydis zdis model null range group service y 0,25step 1000save 。end2 , rad save rest 。p4 7 50 8 p5 0 50 50 p6 15 0 50 p7 15 50 50 amp。p8 23 0 0 p9 7 0 8 p10 23 50 0 p11 7 50 8 amp。隧道邊界網(wǎng)格gen zone radtun p0 7 0 0 p1 50 0 0 p2 7 50 0 p3 15 0 50 p4 50 50 0 amp。p5 7 50 0 p6 7 0 8 p7 7 50 8 p9 point 1 p11 point 2 amp。p5 0 50 8 p6 7 0 8 p7 7 50 8 p8 point 1 p10 point 2 amp。size 4 10 6 4 dim 4 4 4 4 rat 1 1 1 1 fillgen zon reflect dip 90 dd 90 orig 15 0 0gen zon reflect dip 0 ori 0 0 0。網(wǎng)格三維顯示plot set rotation 30 0 30 plot cont zdisp outl on421加載順序new 。網(wǎng)格三維顯示plot set rotation 30 0 30 plot cont zdisp outl on420應力與孔隙壓力的初始化new config fluidgen zone brick size 8 5 10model elasmodel fl_isoini dens 2000prop bulk 1e9 shear 5e8prop poros perm 1e10ini fmod 2e9ini fdensity 1e3ini sat 0ini sat 1 range z set grav 0 0 10fix x range x .1fix x range x fix y range y .1fix y range y fix