【文章內(nèi)容簡(jiǎn)介】 置設(shè)置錨桿，，并且在拱墻、仰拱鋪設(shè)鋼筋網(wǎng)，在必要時(shí)要鋪設(shè)鋼拱架。二次襯砌：V級(jí)圍巖二次襯砌35cm,為曲墻式襯砌。三、圍巖壓力計(jì)算計(jì)算圍巖壓力的公式：。式中的為圍巖重度；為圍巖級(jí)別，V級(jí)圍巖=5； 圍巖豎向壓力q： 圍巖水平壓力：四、襯砌內(nèi)力計(jì)算： 襯砌單元?jiǎng)澐?圍巖壓力根據(jù)工程類(lèi)比法采用:初襯20cm厚,二襯35cm厚。本設(shè)計(jì)采用結(jié)構(gòu)力學(xué)的彈性鏈桿法進(jìn)行內(nèi)力計(jì)算，運(yùn)算過(guò)程采用FORTRAN語(yǔ)言編寫(xiě)的程序。由《鐵路隧道設(shè)計(jì)規(guī)范》可知，單線電氣化鐵路在進(jìn)行節(jié)點(diǎn)化分時(shí)，要不少于16個(gè)單元，在本設(shè)計(jì)中，把V級(jí)圍巖襯砌劃分為22個(gè)單元,。 襯砌計(jì)算參數(shù)節(jié)點(diǎn)數(shù)(個(gè))23襯砌容重(kN/)23襯砌彈性模量(GPa)28水平荷載(kN)豎向荷載(kN)水平彈性抗力系數(shù)(MPa/m)200豎向彈性抗力系數(shù)(MPa/m)200墻角支座寬度(m) 計(jì)算輸入數(shù)據(jù)結(jié)點(diǎn)數(shù)襯砌x坐標(biāo)(m)襯砌y坐標(biāo)(m)彈性支撐約束水平約束豎向約束轉(zhuǎn)角約束襯砌單元厚度（m）110112011130111401115011160111701118011190111100111111111121111131111140111150111160111170111180111190111200111210111220111231011用FORTRAN程序計(jì)算襯砌內(nèi)力如下： 數(shù)據(jù)輸入格式()： 23 23 1 0 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 0 1 1 襯砌內(nèi)力輸出()：1STEP NO. XDISP. YDISP. XSPRING YSPRING RDISP. 1 .000000 .000003 1 .000003 2 .000000 .000003 0 .000003 3 .000000 .000003 0 .000003 4 .000000 .000003 0 .000003 5 .000000 .000003 0 .000003 6 .000000 .000003 0 .000003 7 .000001 .000003 0 .000003 8 .000001 .000003 0 .000003 9 .000001 .000003 0 .000003 10 .000001 .000004 0 .000004 11 .000000 .000004 1 .000004 12 .000000 .000005 1 .000005 13 .000000 .000004 1 .000004 14 .000004 0 .000004 15 .000003 0 .000003 16 .000003 0 .000003 17 .000003 0 .000003 18 .000000 .000003 0 .000003 19 .000000 .000003 0 .000003 20 .000000 .000003 0 .000003 21 .000000 .000003 0 .000003 22 .000000 .000003 0 .000003 23 .000000 .000003 1 .000003 2STEP NO. XDISP. YDISP. XSPRING YSPRING RDISP. 1 .000000 .000003 0 .000003 2 .000000 .000003 1 .000003 3 .000000 .000003 1 .000003 4 .000000 .000003 1 .000003 5 .000000 .000003 1 .000003 6 .000000 .000003 1 .000003 7 .000000 .000003 1 .000003 8 .000000 .000003 1 .000003 9 .000000 .000003 1 .000003 10 .000000 .000003 1 .000003 11 .000000 .000003 1 .000003 12 .000000 .000004 0 .000004 13 .000000 .000003 1 .000003 14 .000000 .000003 1 .000003 15 .000000 .000003 1 .000003 16 .000000 .000003 1 .000003 17 .000000 .000003 1 .000003 18 .000000 .000003 1 .000003 19 .000000 .000003 1 .000003 20 .000000 .000003 1 .000003 21 .000000 .000003 1 .000003 22 .000000 .000003 1 .000003 23 .000000 .000003 0 .000003 3STEP NO. XDISP. YDISP. XSPRING YSPRING RDISP. 1 .000000 .000003 0 .000003 2 .000000 .000003 0 .000003 3 .000000 .000003 0 .000003 4 .000000 .000003 0 .000003 5 .000003 0 .000003 6 .000003 0 .000003 7 .000000 .000003 0 .000003 8 .000000 .000003 1 .000003 9 .000000 .000003 1 .000003 10 .000000 .000003 1 .000003 11 .000000 .000003 0 .000003 12 .000000 .000004 0 .000004 13 .000000 .000003 0 .000003 14 .000000 .000003 1 .000003 15 .000000 .000003 1 .000003 16 .000000 .000003 1 .000003 17 .000000 .000003 0 .000003 18 .000001 .000003 0 .000003 19 .000001 .000003 0 .000003 20 .000000 .000003 0 .000003 21 .000000 .000003 0 .000003 22 .000000 .000003 0 .000003 23 .000000 .000003 0 .000003 4STEP NO. XDISP. YDISP. XSPRING YSPRING RDISP. 1 .000000 .000003 0 .000003 2 .000000 .000003 0 .000003 3 .000000 .000003 0 .000003 4 .000003 0 .000003 5 .000003 0 .000003 6 .000003 0 .000003 7 .000003 0 .000003 8 .000000 .000003 0 .000003 9 .000000 .000003 1 .000003 10 .000000 .000003 1 .000003 11 .000000 .000003 1 .000003 12 .000000 .000003 0 .000003 13 .000000 .000003 1 .000003 14 .000000 .000003 1 .000003 15 .000000 .000003 1 .000003 16 .000000 .000003 0 .000003 17 .000001 .000003 0 .000003 18 .000001 .000003 0