第6章 高速公路分離式偏壓隧道施工過程仿真分析

1、PAGE 44隧道及地下工程ANSYS實(shí)例分析第1章 大型有限元軟件ANSYS簡介PAGE 157施工過程仿真分析材料、實(shí)常數(shù)和單元類型定義/TITLE，Mechanical analysis on railway tunnel 1nd lining! 確定分析標(biāo)題/NOPRR !菜單單過濾設(shè)設(shè)置/PMETTH，OOFF，00KEYW，PPR_SSET，11 KEYW，PPR_SSTRUUC，11 !保留留結(jié)構(gòu)分分析部分分菜單/COM， /COM，PPreffereencees ffor GUII fiilteerinng hhavee beeen sett too diispllay:/CO

2、M， Sttruccturral /PREPP7 !進(jìn)入前前處理器器ET,1,PLAANE442 !設(shè)置實(shí)實(shí)體單元元類型KEYOPPT,11,1,0KEYOPPT,11,2,0KEYOPPT,11,3,2 !設(shè)置為為平面應(yīng)應(yīng)變模式式KEYOPPT,11,5,0KEYOPPT,11,6,0ET,2,PLAANE442 !設(shè)置實(shí)實(shí)體單元元類型KEYOPPT,11,1,0KEYOPPT,11,2,0KEYOPPT,11,3,2 !設(shè)置為為平面應(yīng)應(yīng)變模式式KEYOPPT,11,5,0KEYOPPT,11,6,0ET，3，BBEAMM3 !設(shè)置梁梁單元類類型R,1,00.255,1.5e-33,0.25

3、, , , , !設(shè)置梁梁單元幾幾何常數(shù)數(shù)MPTEMMP, MPTEMMP,11,0MPDATTA,EEX,11,00.8ee9 !輸入彈彈性模量量（圍巖巖）MPDATTA,PPRXYY,1,0.38 !輸入泊泊松比（圍圍巖）MPDATTA,DDENSS,1,20000 !輸入密密度（圍圍巖）TB,DPP,1, !采用DDP準(zhǔn)則則進(jìn)行彈彈塑性分分析TBMODDIF,1,11,0.2e66 !輸入凝凝聚力（圍圍巖）TBMODDIF,1,22,300 !輸入摩摩擦角（圍圍巖）TBMODDIF,1,33, MPTEMMP, MPTEMMP,11,0MPDATTA,EEX,22,3.2e99 !輸入彈

4、彈性模量量（加固固圈）MPDATTA,PPRXYY,2,00.322!輸入泊泊松比（加加固圈）MPDATTA,DDENSS,2,22200!輸入密密度（加加固圈）TB,DPP,2, !采用DDP準(zhǔn)則則TBMODDIF,1,11,0.5e6 !輸入凝凝聚力（加加固圈）TBMODDIF,1,22,355 !輸入摩摩擦角（加加固圈）TBMODDIF,1,33, MPDATTA,EEX,33,227.55e9 !輸入彈彈性模量量（噴射射混凝土土）MPDATTA,PPRXYY,3,00.2 !輸入泊泊松比（噴噴射混凝凝土）MPDATTA,DDENSS,3,225000 !輸入密密度（噴噴射混凝凝土）SA

5、VE !保存存數(shù)據(jù)庫庫建立幾何模模型創(chuàng)建關(guān)鍵點(diǎn)點(diǎn)。K,1,00,0, !創(chuàng)創(chuàng)建計(jì)算算區(qū)域輪輪廓線關(guān)關(guān)鍵點(diǎn)K,2,665,-222.3,K,3, -655,-222.3,K,4,665,37.1,K,5,119.66,37.1,K,6,-65,-111.8,K,7,-44.6,-222.3,K,8,-44.6,00,K,9,665,00,K,10,15,-222.3,K,11,-155,-222.3,K,12,-155,17.1,K,13,15,34.4,K,14,-155,1.1169, !創(chuàng)建建隧道輪輪廓線關(guān)關(guān)鍵點(diǎn)，上上半圓圓圓心K,15,-188.4008,0.222, !左下下拱腳圓圓心

6、K,16,-155.0222,7.8887, !仰拱拱圓心K,17,0,25.7422, K,18,0,-222.3, K,27,-111.6336,0.222, !右下下拱腳圓圓心SAVE !保存存數(shù)據(jù)創(chuàng)建線。Circlle,114,55.4 !畫上上半圓Circlle,115,11.9 !畫左左下拱腳腳圓Circlle,227,11.9 !畫右右下拱腳腳圓LDELEE,5,6,11 !刪除除左右下下拱腳圓圓的部分分線LDELEE,8,11,11 LOVLAAP,77,3 !作疊疊加布爾爾運(yùn)算LOVLAAP,112,44LDELEE,6,10,2LDELEE,7LDELEE,133,16,3

7、NUMMRRG,AALL, , , ,LOWW !合并并所有元元素NUMCMMP,AALL !壓縮縮所有編編號FLST,2,33,4,ORDDE,33 !作加加運(yùn)算FITEMM,2,4 FITEMM,2,5 FITEMM,2,6 LCOMBB,P551X, ,00 FLST,2,33,4,ORDDE,33 !作加加運(yùn)算FITEMM,2,3 FITEMM,2,7 FITEMM,2,9 LCOMBB,P551X, ,00NUMMRRG,AALL, , , ,LOWW !合并并所有元元素NUMCMMP,AALL !壓縮縮所有編編號circlle, 16,10.1788 !畫仰仰拱圓LOVLAAP,3

8、3,7 !作疊疊加布爾爾運(yùn)算LOVLAAP,44,8LDELEE,199 !刪除除部分線線LDELEE,5,7,11LDELEE,100,111,1LDELEE,144,166,2FLST,2,44,4,ORDDE,44 !做線線加布爾爾運(yùn)算FITEMM,2,9 FITEMM,2,12 FITEMM,2,-133 FITEMM,2,15 LCOMBB,P551X, ,00 FLST,2,44,4,ORDDE,44 !做線線加布爾爾運(yùn)算FITEMM,2,3 FITEMM,2,17 FITEMM,2,-188 FITEMM,2,20 LCOMBB,P551X, ,00Circlle,114,88.

9、9 !畫上上半圓(加固圈圈)Circlle,115,55.4 !畫左左下拱腳腳圓(加加固圈)Circlle,227,55.4 !畫右右下拱腳腳圓(加加固圈)ldelee,8,12,2ldelee,133,15,1LOVLAAP,66,11 !作疊疊加布爾爾運(yùn)算LOVLAAP,77,16ldelee,100,144,2 !刪除除部分線線ldelee,177,19,2ldelee,111circlle, 16,13.678 !畫仰仰拱圓(加固圈圈)LOVLAAP,111,13 !作疊疊加布爾爾運(yùn)算LOVLAAP,112,18ldelee,100,111,1 !刪除除部分線線ldelee,233,2

10、6,3ldelee,7,17,10ldelee,144,22,8FLST,2,55,4,ORDDE,55 !做線線加布爾爾運(yùn)算FITEMM,2,8 FITEMM,2,15 FITEMM,2,-166 FITEMM,2,19 FITEMM,2,21 LCOMBB,P551X, ,00 FLST,2,55,4,ORDDE,55 !做線線加布爾爾運(yùn)算FITEMM,2,6 FITEMM,2,13 FITEMM,2,20 FITEMM,2,24 FITEMM,2,-255 LCOMBB,P551X, ,00 FLST,3,88,4,ORDDE,44 !對稱稱操作，由由左隧道道鏡像成成右隧道道。FITEM

11、M,3,1 FITEMM,3,-6 FITEMM,3,8 FITEMM,3,-9 LSYMMM,X,P511X, , , ,00,0 NUMMRRG,AALL, , , ,LOWW !合并并所有元元素NUMCMMP,AALL !壓縮縮所有編編號SAVE !所畫畫出的隧隧道輪廓廓圖見圖圖6-77所示。k,56,0,11.1669,00, !創(chuàng)建建關(guān)鍵點(diǎn)點(diǎn)，為畫畫其它直直線作準(zhǔn)準(zhǔn)備k,57,30.0444,1.1699,0,k,58,30.0444,-222.3,0,k,59,30.0444,37.1,00,k,60,15,1.1169,0,LSTR, 3, 7 !畫計(jì)計(jì)算區(qū)域域線和分分塊線LST

12、R, 7, 8 LSTR, 8, 6 LSTR, 6, 3 LSTR, 7, 11 LSTR, 11, 18 LSTR, 18, 10 LSTR, 10, 58 LSTR, 58, 2 LSTR, 2, 9 LSTR, 9, 4 LSTR, 4, 59 LSTR, 59, 5 LSTR, 5, 13 LSTR, 13, 17 LSTR, 17, 12 LSTR, 12, 8 LSTR, 21, 14 LSTR, 14, 19 LSTR, 14, 20 LSTR, 14, 31 LSTR, 44, 60 LSTR, 60, 46 LSTR, 60, 45 LSTR, 60, 47 LSTR, 4

13、5, 53 LSTR, 46, 54 LSTR, 47, 55 LSTR, 44, 52 LSTR, 52, 56 LSTR, 54, 57 LSTR, 57, 59 LSTR, 57, 58 LSTR, 55, 10 LSTR, 56, 17 LSTR, 56, 18 LSTR, 53, 13 LSTR, 19, 32 LSTR, 32, 56 LSTR, 51, 11 LSTR, 33, 12 LSTR, 20, 33 LSTR, 21, 34 LSTR, 34, 8 LSTR, 31, 51 LSTR, 57, 9/PNUMM,KPP,0 !不顯顯示關(guān)鍵鍵點(diǎn)編號號/PNUMM,LIINE

14、,1 !顯示示線編號號/PNUMM,ARREA,0 !不顯顯示面編編號/PNUMM,VOOLU,0 !不顯顯示體編編號/PNUMM,NOODE,0 !不顯顯示節(jié)點(diǎn)點(diǎn)編號!* /PNUMM,ELLEM,0 !不顯顯示單元元編號/REPLLOT !重新新繪制!* LPLOTT !繪制制線圖，帶帶編號，如如圖6-8所示示。SAVE !保存存數(shù)據(jù)庫庫創(chuàng)建面。本本次的計(jì)計(jì)算區(qū)域域?yàn)闄M向向1300m，豎豎向?yàn)?60m，即即左右兩兩側(cè)計(jì)算算邊界為為4倍左左右雙線線隧道總總跨度，下下部邊界界為2倍倍隧道總總高度。Al, 35, 1, 36, !采用線線創(chuàng)建面面，依次次創(chuàng)建227個面面Al, 36, 2, 34

15、4, Al, 34, 9, 377, Al, 37, 3, 355, !左隧道道內(nèi)核心心土4個個面繪制制完成Al, 54, 4, 588, 1,Al, 58, 5, 599, 2, Al, 59, 8, 611, 9, Al, 61, 6, 544, 3, !左隧道道加固圈圈土4個個面繪制制完成Al, 39, 10, 40, Al, 40, 7, 38, Al, 38, 11, 41, Al, 41, 16, 39, !右隧道道內(nèi)核心心土4個個面繪制制完成Al, 43, 13, 42, 10,Al, 42, 12, 45, 7, Al, 45, 14, 44, 11, Al, 44, 15,

16、43, 16, !右隧道道加固圈圈土4個個面繪制制完成Al, 55, 51, 32, 57, 4,Al, 57, 33, 60, 5, Al, 60, 18, 21, 56, 8, Al, 56, 22, 52, 55, 6, !左隧道道外圍土土體4個個面繪制制完成Al, 47, 48, 29, 30, 53, 113,Al, 53, 31, 51, 46, 122, Al, 46, 52, 23, 50, 144, Al, 50, 24, 49, 47, 155, !右隧道道外圍土土體4個個面繪制制完成Al, 18, 19, 20, 17, !左側(cè)邊邊境1個個面繪制制完成Al, 49, 25

17、, 26, 62, Al, 62, 27, 28, 48, !右側(cè)邊邊境2個個面繪制制完成/PNUMM,KPP,0 /PNUMM,LIINE,0/PNUMM,ARREA,1APLOTT !繪制帶帶編號的的面, 生成的的面如圖圖6-99所示。SAVE !保存數(shù)數(shù)據(jù),創(chuàng)建網(wǎng)格模模型設(shè)置線被劃劃分的單單元數(shù)。LESIZZE,_Y1, , ,8, , , , ,11lesizze,11,8,11 !設(shè)置單單元大小小, 即即L1線線劃分成成8個單單元TYPE, 1 !設(shè)置將將要創(chuàng)建建單元的的類型MAT, 1 !設(shè)置將將要創(chuàng)建建單元的的材料REAL, 1 !設(shè)置將將要創(chuàng)建建單元的的幾何常常數(shù)/PNUMM,

18、LIINE,1 !顯示示線編號號LPLOTT !繪制制線圖，帶帶編號和和單元數(shù)數(shù)。Save !按照“l(fā)essizee,1,88,11”格式，將將其他661條線線也進(jìn)行行被劃分分單元數(shù)數(shù)設(shè)置，其其線的編編號和被被劃分的的單元數(shù)數(shù)如表66-3所所示，劃劃分好后后如圖66-100所示。設(shè)置線單單元數(shù)NL(NDIVV)NL(NDIVV)NL(NDIVV)NL(NDIVV)NL(NDIVV)358398544554514368408584574324348388594604224378418614564524187843447418428108424534214981184544642043816844

19、450419448128314301174581382642922446814825104854948815862102752810338234將所有面劃劃分單元元，其單單元圖如如圖6-11所所示。AMAP,1,144,199,20, !劃分分面1，依依次單擊擊關(guān)鍵點(diǎn)點(diǎn)14、119、220進(jìn)行行映射劃劃分AMAP,2,114,220,221,AMAP,3,114,221,331,AMAP,4,114,331,119, !面11到4，為為左隧道道內(nèi)開挖挖土體AMAP,9,660,446,445,AMAP,10,60,45,44, AMAP,11,60,44,47, AMAP,12,60,47,4

20、6, !面99到122，為右右隧道內(nèi)內(nèi)開挖土土體AMAP,7,221,334,551,331 AMAP,8,331,551,332,119 !面77和8，為為左隧道道仰拱下下土體AMAP,15,44,52,55,47 AMAP,16,47,55,54,46 !面115和116，為為右隧道道仰拱下下土體TYPE, 1 !轉(zhuǎn)換換為加固固圈土體體單元類類型和材材料MAT, 2AMAP,5,119,332,333,220 !劃分分左隧道道加固圈圈土體AMAP,6,220,333,334,221 AMAP,13,46,54,53,45 !劃分分右隧道道加固圈圈土體AMAP,14,45,53,52,44T

21、YPE, 1 !轉(zhuǎn)換換為普通通土體單單元類型型和材料料MAT, 1AMAP,17,32,56,12,33 !劃分分左隧道道周邊區(qū)區(qū)域面AMAP,18,33,12,8,334 AMAP,19,34,8,111,551 AMAP,20,51,11,56,32 AMAP,21,54,57,13,53 !劃分分右隧道道周邊區(qū)區(qū)域面AMAP,22,53,13,56,52 AMAP,23,52,56,10,55 AMAP,24,55,10,57,54 AMAP,25,7,88,6,3 !劃分分左隧道道邊界面面AMAP,26,58,2,99,577 !劃分分左隧道道邊界面面AMAP,27,57,9,44,5

22、99 SAVE !保存存數(shù)據(jù)，本本次共劃劃分成110022個四邊邊形單元元創(chuàng)建模擬噴噴射混凝凝土的梁梁單元。TYPE, 2 !設(shè)置將將要創(chuàng)建建單元的的類型MAT, 3 !設(shè)置將將要創(chuàng)建建單元的的材料REAL, 11 !設(shè)置將將要創(chuàng)建建單元的的幾何常常數(shù)E,2,111 !通過兩兩個節(jié)點(diǎn)點(diǎn)創(chuàng)建梁梁單元E,11,12E,12,13E,13,14E,14,15E,15,16E,16,17E,17,10E,10,63E,63,64E,64,65E,65,66E,66,67E,67,68E,68,69E,69,62E,62,1222E,1222,1223E,1233,1224E,1244,1225E,12

23、55,1226E,1266,1227E,1277,1228E,1288,1114E,1144,1772E,1722,1771E,1711,1770E,1700,1669E,1699,1668E,1688,1667E,1677,1666E,1666,2 !以上梁梁單元為為左隧道道噴射混混凝土部部分Save !保存數(shù)數(shù)據(jù)E,2111,2226E,2266,2225E,2255,2224E,2244,2223E,2233,2222E,2222,2221E,2211,2220E,2200,2119E,2199,2778E,2788,2777E,2777,2776E,2766,2775E,2755,27

24、74E,2744,2773E,2733,2772E,2722,2771E,2711,3331E,3311,3332E,3322,3333E,3333,3334E,3344,3335E,3355,3336E,3366,3337E,3377,3223E,3233,3118E,3233,3881E,3811,3880E,3800,3779E,3799,3778E,3788,3777E,3777,3776E,3766,3775E,3755,2111 !以上梁梁單元為為右隧道道噴射混混凝土部部分SAVE !保存存數(shù)據(jù)創(chuàng)建CRDD開挖中中模擬臨臨時支撐撐的梁單單元，如如圖6-12所所示。TYPE, 2 !

25、設(shè)置將將要創(chuàng)建建單元的的類型MAT, 3 !設(shè)置將將要創(chuàng)建建單元的的材料REAL, 11 !設(shè)置將將要創(chuàng)建建單元的的幾何常常數(shù)E,1 ,18 !通過兩兩個節(jié)點(diǎn)點(diǎn)創(chuàng)建梁梁單元E,18,19E,19,20E,20,21E,21,22E,22,23E,23,24E,24,10E,1,776E,76,75E,75,74E,74,73E,73,72E,72,71E,71,70E,70,62E,1,1115E,1155,1116E,1166,1117E,1177,1118E,1188,1119E,1199,1220E,1200,1221E,1211,1114E,1,33E,3,44E,4,55E,5,66

26、E,6,77E,7,88E,8,99E,9,22 !以上梁梁單元為為左隧道道臨時支支撐噴射射混凝土土部分Save !保存存數(shù)據(jù)E,2100,2227E,2277,2228E,2288,2229E,2299,2330E,2300,2331E,2311,2332E,2322,2333E,2333,2119E,2100,2885E,2855,2884E,2844,2883E,2833,2882E,2822,2881E,2811,2880E,2800,2779E,2799,2771E,2100,3224E,3244,3225E,3255,3226E,3266,3227E,3277,3228E,3288

27、,3229E,3299,3330E,3300,3223E,2100,2112E, 2112,2213E,2133,2114E,2144,2115E,2155,2116E,2166,2117E,2177,2118E,2188,2111Finissh !返回回上級目目錄SAVE !保保存數(shù)據(jù)據(jù)以上梁梁單元為為右隧道道臨時支支撐噴射射混凝土土部分，共共1288個梁單單元。加載與自重重應(yīng)力場場求解/SOL !進(jìn)入求求解器NSEL,S,LLOC,X,-65.11,-664.99NSEL,A,LLOC,X,664.99,655.1 d,alll,uxx,0 !在選擇擇的節(jié)點(diǎn)點(diǎn)上施加加“Ux”約束Allse

28、el !選擇擇所有內(nèi)內(nèi)容NSEL,S,LOOC,YY,-222.55,-222.1d,alll,uy,0 !在選擇擇的節(jié)點(diǎn)點(diǎn)上施加加“Uy”約束ACEL, 0, 100, 00, !在Y方方向施加加重力加加速度SAVE !施加了了位移約約束和自自重應(yīng)力力場后見見圖6-13所所示。NROPTT, FFULLL, , !采用用全牛頓頓拉普普森法進(jìn)進(jìn)行求解解Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S,TTYPEE,22 !選擇擇2類單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Allseel !選擇擇所有內(nèi)內(nèi)容Solvee !求解解計(jì)算Finissh !求解解結(jié)束返返回Maa

29、in Mennu 主主菜單SAVE豎向位移（PLNSOL,U,Y,0,1）和應(yīng)力（PLNSOL,S,Y,0,1）如圖6-14和圖6-15所示。先左洞后右右洞開挖挖模擬分分析左洞左上部部分土體體開挖施施工模擬擬分析開挖土體。/postt1Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單/SOL !進(jìn)入求求解器Allseel !選擇擇所有內(nèi)內(nèi)容ANTYPPE,RESST,11,133,0 !重新啟啟動求解解器ASEL,S, , , 2 !選擇擇左洞左左上部分分土體面面ESLA,R !選擇擇左洞左左上部分分土體單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Sav

30、e 進(jìn)行噴錨支支護(hù)，即即激活噴噴射混凝凝土襯砌砌梁單元元和臨時時支撐單單元。Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S,TTYPEE,22 !選擇擇2類單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Allseel !選擇擇所有內(nèi)內(nèi)容lsel,s,2, !選擇擇梁單元元所在的的線lsel,a,34,36,2,NSLL,R,11 !選擇擇線上的的節(jié)點(diǎn)ESLN,R,11 !選擇擇節(jié)點(diǎn)上上的單元元ESEL,R,TTYPEE,22 !選擇擇2類單單元Ealivve,aall !對選選擇的單單元給予予“生屬性性”Save 節(jié)點(diǎn)力計(jì)算算。FINISSH /POSTT1 !進(jìn)入入后處理

31、理器Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S, , , !人工工手動選選擇開挖挖土體周周圍的一一圈單元元圖6-16所所示NFORCCE,AALL !對選選擇的節(jié)節(jié)點(diǎn)求解解節(jié)點(diǎn)力力Save FINISSH /sol !進(jìn)入入求解理理器節(jié)點(diǎn)力施加加，加上上節(jié)點(diǎn)力力和位移移邊界條條件后的的模型如如圖6-17所所示。f,1,fxx,4.337E-09 !施加X方向集集中力f,1,fxx,-0.47443E+05 !施加Y方向集集中力f,1,fyy,0.93367EE+055f,100,fxx,-0.47889E+05f,100,fyy,-0.10999E+06f,188,fxx,-0.11116

32、E+06f,188,fyy,-0.20669E+05f,199,fxx,-0.10441E+06f,199,fyy,-0.20441E+05f,200,fxx,-0.97227E+05f,200,fyy,-0.20331E+05f,211,fxx,-0.91331E+05f,211,fyy,-0.20334E+05f,222,fxx,-0.86223E+05f,222,fyy, -0.220400E+005f,233,fxx,-0.81991E+05f,233,fyy,-0.20442E+05f,244,fxx,-0.78117E+05f,244,fyy,-0.20332E+05f,622,f

33、xx,0.773422E+005f,622,fyy,0.664711E+005f,633,fxx,-57701f,633,fyy,-0.18773E+06f,644,fxx,0.220511E+005f,644,fyy,-0.16552E+06f,655,fxx,0.447600E+005f,655,fyy,-0.14110E+06f,666,fxx,0.776277E+005f,666,fyy,-0.11449E+06f,677,fxx,0.110600E+006f,677,fyy,-0.86668E+05f,688,fxx,0.113400E+006f,688,fyy,-0.57337E+

34、05f,699,fxx,0.115077E+006f,699,fyy,-0.28229E+05f,700,fxx,0.116788E+005f,700,fyy,0.117400E+006f,711,fxx,0.119400E+005f,711,fyy,0.118033E+006f,722,fxx,0.221099E+005f,722,fyy,0.118533E+006f,733,fxx,0.221433E+005f,733,fyy,0.119033E+006f,744,fxx,0.221611E+005f,744,fyy,0.119533E+006f,755,fxx,0.221500E+005

35、f,755,fyy,0.220022E+006f,766,fxx,0.221333E+005f,766,fyy,0.220511E+006求解計(jì)算。Allseel !選擇擇所有內(nèi)內(nèi)容Solvee !求解解計(jì)算Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE后處理，兩兩個方向向的應(yīng)力力和位移移，如圖圖6-118圖圖6-221所示示。/postt1PLNSOOL,UU,X,0,1 ! XX方向位位移PLNSOOL,UU,Y,0,11 ! YY方向位位移PLNSOOL,SS,X,0,1 ! XX方向應(yīng)應(yīng)力PLNSOOL,SS,Y,00,1 ! YY方向應(yīng)應(yīng)力Finissh

36、!求解解結(jié)束返返回Maain Mennu 主主菜單SAVE計(jì)算下一步步開挖計(jì)計(jì)算所施施加的節(jié)節(jié)點(diǎn)力，如如圖6-22所所示。ESEL,S, , , !人工工手動選選擇開挖挖土體周周圍的一一圈單元元NFORCCE,AALL !對選選擇的節(jié)節(jié)點(diǎn)求解解節(jié)點(diǎn)力力FINISSH !求解解結(jié)束返返回Maain Mennu 主主菜單Save 左洞左下部部分土體體開挖施施工模擬擬分析開挖土體。/SOL !進(jìn)入求求解器Allseel !選擇擇所有內(nèi)內(nèi)容ANTYPPE,RESST,22,13,00 !重新啟啟動求解解器ASEL,S, , , 2,3,11 !選擇擇左洞左左上和左左下部分分土體面面ESLA,R !選擇

37、擇左洞左左上和左左下部分分土體單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Save 進(jìn)行噴錨支支護(hù)，即即激活噴噴射混凝凝土襯砌砌梁單元元和臨時時支撐單單元。Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S,TTYPEE,22 !選擇擇2類單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Allseel !選擇擇所有內(nèi)內(nèi)容lsel,s,2,9,7, !選擇擇梁單元元所在的的線lsel,a,36,37,1,NSLL,R,11 !選擇擇線上的的節(jié)點(diǎn)ESLN,R,11 !選擇擇節(jié)點(diǎn)上上的單元元ESEL,R,TTYPEE,22 !選擇擇2類單單元Ealivve,aal

38、l !對選選擇的單單元給予予“生屬性性”Save 節(jié)點(diǎn)力施加加，加上上節(jié)點(diǎn)力力和位移移邊界條條件后的的模型如如圖6-23所所示。f,1,fxx,-0.75855E+005 !施加X方向集集中力f,1,fyy,0.552033E+005 !施加Y方向集集中力f,622,fxx,0.78400E+005f,622,fy,2199.8f,1114,fxx,0.115899E+005f,1114,fyy,0.110466E+006f,1115,fxx,-0.89660E+05f,1115,fyy,-0.56990E+05f,1116,fxx,-0.53227E+05f,1116,fyy,-0.6900

39、3E+05f,1117,fxx,-0.58332E+05f,1117,fyy,-0.73117E+05f,1118,fxx,-0.67116E+05f,1118,fyy,-0.71779E+05f,1119,fxx,-0.76668E+05f,1119,fyy,-0.68113E+05f,1220,fxx,-0.85112E+05f,1220,fyy,-0.63444E+05f,1221,fxx,-0.92339E+05f,1221,fyy,-0.58221E+05f,1222,fxx,0.887844E+005f,1222,fyy,-0.70774E+05f,1223,fxx,0.33195

40、5E+005f,1223,fyy,46882f,1224,fxx,0.111133E+005f,1224,fyy,0.558688E+005f,1225,fxx,0.332966E+005f,1225,fyy,0.663900E+005f,1226,fxx,0.885499E+005f,1226,fyy,0.885244E+005f,1227,fxx,0.112200E+006f,1227,fyy,0.114266E+006f,1228,fxx,0.113100E+006f,1228,fyy,0.221522E+006求解計(jì)算。Allseel !選擇擇所有內(nèi)內(nèi)容Solvee !求解解計(jì)算Fin

41、issh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE后處理，兩兩個方向向的應(yīng)力力和位移移，如圖圖6-224圖圖6-227所示示。/postt1PLNSOOL,UU,X,0,1 ! X方方向位移移PLNSOOL,UU,Y,0,11 ! Y方向向位移PLNSOOL,SS,X,0,1 ! X方方向應(yīng)力力PLNSOOL,SS,Y,0,11 ! Y方向向應(yīng)力Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE計(jì)算下一步步開挖計(jì)計(jì)算所施施加的節(jié)節(jié)點(diǎn)力，如如圖6-28所所示。ESEL,S, , , !人工工手動選選擇開挖挖土體周周圍的一一圈單元元。NFORCCE,AAL

42、L !對選選擇的節(jié)節(jié)點(diǎn)求解解節(jié)點(diǎn)力力FINISSH Save左洞右上部部分土體體開挖施施工模擬擬分析開挖土體。/SOL !進(jìn)入求求解器Allseel !選擇擇所有內(nèi)內(nèi)容ANTYPPE,RESST,33,19,00 !重新啟啟動求解解器ASEL,S, , , 1,3,11 !選擇擇左洞左左上、左左下和右右上部分分土體面面ESLA,R !選擇擇左洞左左上、左左下和右右上部分分土體單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Save 進(jìn)行噴錨支支護(hù)，即即激活噴噴射混凝凝土襯砌砌梁單元元和臨時時支撐單單元。Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S,TTYPEE,22 !選擇

43、擇2類單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Allseel !選擇擇所有內(nèi)內(nèi)容lsel,s,1,2,1, !選擇擇梁單元元所在的的線lsel,a,35,37,2,lsel,a,9,NSLL,R,11 !選選擇線上上的節(jié)點(diǎn)點(diǎn)ESLN,R,11 !選選擇節(jié)點(diǎn)點(diǎn)上的單單元ESEL,R,TTYPEE,22 !選選擇2類類單元Ealivve,aall !對對選擇的的單元給給予“生屬性性”Save 節(jié)點(diǎn)力施加加，加上上節(jié)點(diǎn)力力和位移移邊界條條件后的的模型如如圖6-29所所示。f,1,fxx,88888 !施加加X方向向集中力力f,1,fyy,0.116277E+005 !施加加

44、Y方向向集中力力f,2,fxx,-0.31330E+05f,2,fyy,0.442266E+005f,3,fxx,-44424f,3,fyy,0.20071EE+055f,4,fxx,0.110288E+005f,4,fyy,0.222299E+005f,5,fxx,0.222266E+005f,5,fyy,0.224011E+005f,6,fxx,0.229500E+005f,6,fyy,0.225077E+005f,7,fxx,0.333822E+005f,7,fyy,0.225655E+005f,8,fxx,0.338399E+005f,8,fyy,0.226144E+005f,9,fx

45、x,0.444933E+005f,9,fyy,0.226977E+005 f,100,fxx,-0.18884E+05f,100,fyy,-0.25775E+06f,111,fxx,-58824f,111,fyy,-0.14001E+06f,122,fxx,-0.11110E+05f,122,fyy,-0.14220E+06f,133,fxx,-0.23994E+05f,133,fyy,-0.13775E+06f,144,fxx,-0.38887E+05f,144,fyy,-0.12772E+06f,155,fxx,-0.51773E+05f,155,fyy,-0.11223E+06f,166

46、,fxx,-0.64007E+05f,166,fyy,-0.93550E+05f,177,fxx,-0.62881E+05f,177,fyy,-0.10998E+06 求解計(jì)算。Allseel !選擇擇所有內(nèi)內(nèi)容Solvee !求解解計(jì)算Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE后處理，兩兩個方向向的應(yīng)力力和位移移，如圖圖6-330圖圖6-333所示示。/postt1PLNSOOL,UU,X,0,1 ! X方方向位移移PLNSOOL,UU,Y,0,11 ! Y方向向位移PLNSOOL,SS,X,0,1 ! X方方向應(yīng)力力PLNSOOL,SS,Y,0,11 ! Y

47、方向向應(yīng)力Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE（6）計(jì)算算下一步步開挖計(jì)計(jì)算所施施加的節(jié)節(jié)點(diǎn)力，如如圖6-34所所示。ESEL,S, , , !人工工手動選選擇開挖挖土體周周圍的一一圈單元元。NFORCCE,AALL !對選選擇的節(jié)節(jié)點(diǎn)求解解節(jié)點(diǎn)力力FINISSH Save左洞右下部部分土體體開挖施施工模擬擬分析（1）開挖挖土體。/SOL !進(jìn)入求求解器Allseel !選擇擇所有內(nèi)內(nèi)容ANTYPPE,RESST,44,13,00 !重新啟啟動求解解器ASEL,S, , , 1,4,11 !選擇擇左洞全全部核心心土體面面ESLA,R !選擇擇左洞全全部核心

48、心土體單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Save 提示：在開開挖左隧隧道右下下部分土土體時，同同樣要進(jìn)進(jìn)行第一一部分（左左上）、第第二部分分（左下下）和第第三部分分（右上上）上所所有單元元的殺死死、梁單單元的激激活操作作，這是是重復(fù)的的，但重重新啟動動后必須須進(jìn)行。（2）進(jìn)行行噴錨支支護(hù)，即即激活噴噴射混凝凝土襯砌砌梁單元元和臨時時支撐單單元。Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S,TTYPEE,22 !選擇擇2類單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Allseel !選擇擇所有內(nèi)內(nèi)容lsel,s,1,2,1, !選擇擇梁單元

49、元所在的的線lsel,a,3,9,6,NSLL,R,11 !選擇擇線上的的節(jié)點(diǎn)ESLN,R,11 !選擇擇節(jié)點(diǎn)上上的單元元ESEL,R,TTYPEE,22 !選擇擇2類單單元Ealivve,aall !對選選擇的單單元給予予“生屬性性”Save （3）節(jié)點(diǎn)點(diǎn)力施加加，加上上節(jié)點(diǎn)力力和位移移邊界條條件后的的模型如如圖6-35所所示。f,2,fxx, -00.39948EE+055 !施加X方向集集中力f,2,fyy,-0.18337E+05 !施加Y方向集集中力f,1114,fxx,-0.52005E+05f,1114,fyy,0.227911E+006f,1666,fxx,-0.77118E+

50、05f,1666,fyy,0.668411E+005f,1667,fxx,-0.39775E+05f,1667,fyy,0.668833E+005f,1668,fxx,-0.10229E+06f,1668,fyy,0.118200E+006f,1669,fxx,-0.11553E+06f,1669,fyy,0.118055E+006f,1770,fxx,-0.91114E+05f,1770,fyy,0.115388E+006f,1771,fxx,-0.75883E+05f,1771,fyy,0.114888E+006f,1772,fxx,-0.77772E+05f,1772,fyy,0.118

51、588E+006 （4）求解解計(jì)算。Allseel !選擇所所有內(nèi)容容Solvee !求解計(jì)計(jì)算Finissh !求解結(jié)結(jié)束返回回Maiin MMenuu 主菜菜單SAVE（5）后處處理，兩個方方向的應(yīng)應(yīng)力和位位移，如圖6-36圖6-42所所示。內(nèi)內(nèi)力和變變形如圖圖6-443圖圖6-447所示示。/postt1PLDISSP,11 !繪制變變形圖PLNSOOL,UU,X,0,1 ! XX方向位位移PLNSOOL,UU,Y,0,11 ! YY方向位位移PLNSOOL,SS,X,0,1 ! XX方向應(yīng)應(yīng)力PLNSOOL,SS,Y,0,11 ! YY方向應(yīng)應(yīng)力PLNSOOL,SS,1,0,11 !第

52、一主主應(yīng)力PLNSOOL,SS,3,0,11 !第三主主應(yīng)力PLNSOOL,EEPPLL,EQQV,00,1 !塑性應(yīng)應(yīng)變ETABLLE, ,SMMISCC,1 !創(chuàng)建梁梁單元內(nèi)內(nèi)力表ETABLLE, ,SMMISCC, 77 ETABLLE, ,SMMISCC, 22 ETABLLE, ,SMMISCC,8ETABLLE, ,SMMISCC,6ETABLLE, ,SMMISCC,122 ESEL,S,LLIVEE !選擇“屬性為為活”的單元元ESEL,R,TTYPEE,22 !選擇單單元類型型為2的所有有單元/REPLLOT !從新繪繪制圖形形PLLS,SMIIS1,SMIIS7,0.22,

53、0 !畫軸力力圖，顯示比比例為00.2PLLS,SMIIS2,SMIIS8,0.22,0 !畫剪力力圖，顯示比比例為00.2PLLS,SMIIS6,SMIIS122,-00.2,0 !畫彎矩矩圖，顯示比比例為-0.22SET,LLISTT !設(shè)置計(jì)計(jì)算步驟驟LCDEFF,1,1,113,LCDEFF,5,5,13,LCASEE,5,LCOPEER,SSUB,1, , , !將第四四步的結(jié)結(jié)果減去去第一部部（自重應(yīng)應(yīng)力場）的結(jié)果果 PLDISSP,11 ! 畫變變形噴射射混凝土土的圖Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE（6）計(jì)算算下一步步開挖計(jì)計(jì)算所施施加的

54、節(jié)節(jié)點(diǎn)力，如圖6-48所示。ESEL,S, , , !人工工手動選選擇開挖挖土體周周圍的一一圈單元元。NFORCCE,AALL !對選選擇的節(jié)節(jié)點(diǎn)求解解節(jié)點(diǎn)力力FINISSH Save右洞左上部部分土體體開挖施施工模擬擬分析（1）開挖挖土體。/postt1Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單/SOL !進(jìn)入求求解器Allseel !選擇擇所有內(nèi)內(nèi)容ANTYPPE,RESST,55,13,00 !重新啟啟動求解解器ASEL,S, , , 1,4,11 !選擇擇左洞全全部土體體面ASEL,a, , , 10 !選擇擇右洞左左上部分分土體面面ESLA,R !選擇擇左洞全

55、全部和右右洞左上上部分土土體單元元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Save （2）進(jìn)行行噴錨支支護(hù)，即即激活噴噴射混凝凝土襯砌砌梁單元元和臨時時支撐單單元。Allseel !選擇擇所有內(nèi)內(nèi)容ESEL,S,TTYPEE,22 !選擇擇2類單單元Ekilll,alll !對選選擇的單單元給予予“死屬性性”Allseel !選擇擇所有內(nèi)內(nèi)容lsel,s,1,2,1, !選擇擇左隧道道梁單元元所在的的線lsel,a,3,9,6,lsel,a,7 !選擇擇右隧道道左上部部分梁單單元所在在的線lsel,a,38,40,2,NSLL,R,11 !選擇擇線上的的節(jié)點(diǎn)ESLN,R,1

56、1 !選擇擇節(jié)點(diǎn)上上的單元元ESEL,R,TTYPEE,22 !選擇擇2類單單元Ealivve,aall !對選選擇的單單元給予予“生屬性性”Save（3）節(jié)點(diǎn)點(diǎn)力施加加，加上上節(jié)點(diǎn)力力和位移移邊界條條件后的的模型如如圖6-49所所示。f,2110,fyy,0.119999E+006 !施加加X方向向集中力力f,2110,fxx,-0.56449E+05 !施加Y方向集集中力f,2110,fyy,0.119999E+005f,2119,fxx,-0.43000E+05f,2119,fyy,-0.24887E+05f,2227,fxx,-0.11001E+06f,2227,fyy, -15004

57、f,2228,fxx,-0.10114E+06f,2228,fyy,-19912f,2229,fxx,-0.94880E+05f,2229,fyy,-23394f,2330,fxx,-0.90665E+05f,2330,fyy, -29003f,2331,fxx,-0.88993E+05f,2331,fyy,-33380f,2332,fxx,-0.89221E+05f,2332,fyy,-37784f,2333,fxx,-0.90996E+05f,2333,fyy, -41110f,2771,fxx,0.336755E+005f,2771,fyy,0.994799E+004f,2772,fxx

58、,0.114177E+006f,2772,fyy,-0.14660E+06f,2773,fxx,0.115422E+006f,2773,fyy, -0.110877E+006f,2774,fxx,0.114088E+006f,2774,fyy,-0.17448E+06f,2775,fxx,0.111711E+006f,2775,fyy,-0.14001E+06f,2776,fxx,0.888411E+005f,2776,fyy, -0.119877E+006f,2777,fxx,0.557355E+005f,2777,fyy,-0.14662E+06f,2778,fxx,0.224577E+0

59、05f,2778,fyy,-0.17995E+06f,2779,fxx,89559f,2779,fyy, 00.37789EE+055f,2880,fxx,17888f,2880,fyy,0.338199E+005f,2881,fxx,23881f,2881,fyy,0.338511E+005f,2882,fxx,30668f,2882,fyy, 00.38888EE+055f,2883,fxx,35118f,2883,fyy,0.339244E+005f,2884,fxx,33773f,2884,fyy, 00.39959EE+055f,2885,fxx,31116f,2885,fyy,0.

60、339911E+005（4）求解解計(jì)算。Allseel !選擇擇所有內(nèi)內(nèi)容Solvee !求解解計(jì)算Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE（5）后處處理，兩兩個方向向的應(yīng)力力和位移移，如圖圖6-550圖圖6-553所示示。/postt1PLNSOOL,UU,X,0,1 ! XX方向位位移PLNSOOL,UU,Y,0,11 ! Y方向向位移PLNSOOL,SS,X,0,1 ! XX方向應(yīng)應(yīng)力PLNSOOL,SS,Y,0,11 ! YY方向應(yīng)應(yīng)力Finissh !求解解結(jié)束返返回Maain Mennu 主主菜單SAVE（6）計(jì)算算下一步步開挖計(jì)計(jì)算所施施加的節(jié)節(jié)