竖井联系测量在隧道施工中的应用

:10045716(2005)01010302:U45213:B李洪志(中铁十四局集团第三工程有限公司,山东兖州272000):结合老锅厂隧道的竖井工程实例,介绍联系三角形这一方法在实际中的应用,并对有关问题进行了探讨:竖井;联系测量;应用1,,,1.45km(DK84+610~DK86+060),,,:DK85+050,,,600m(DK85+210),70m,4.0m,,,122.1,,,2.1.1,YB248-64,0.5mm,60%~70%,,10kg,50kg,,,,,2.1.2,4:1,1,2;16:1,1,2,22,12,50m1,,,2.1.3,CCAB2.22.2.1,,5kg,,,,,2.2.2(1)CC(2)abcabc,,,,6,0.5mm,2mm,,,,,3,,,,,,2mm,,,(12)10420051WEST-CHINAEXPLORATIONENGINEERINGseriesNo.104Jan.2005:10045716(2005)01010402:U455412:B李桂来,吴军燕(浙江省隧道工程公司,浙江杭州310003):季节性冰冻地区施工困难较多施工中采用全断面开挖,整体式钢模台车衬砌,开挖与衬砌平行作业等办法,解决冬期施工问题,从而较好地完成了任务:全断面法开挖;整体式衬砌;平行作业19km,2188m350m,16.0%;450m,20.6%;580m,26.5%;808m,36.9%20~40m3/h,-34.8,104025,200041~2002430,19,62,,,2001,,,2.1,,,3.5m3.5m(),2.5m,4~4.5m10~15m,,218~20h,4.5m,6.0m,5140m2.1.11a9.2687c3.1882b12.456001804.0c2=a2+b2-2abcosc=3.1878c=3.1882d=0.0004va=-0.0001vb=+0.0002vc=-0.0001abc9.268612.45623.1881d=c-cva=-d/3vb=+d/3vc=-d/3=05231.6=1784924.4sin=a/csinsin=b/csin,4,:(1),,(2),,,,(3),,(4),,2a13.4556c3.1870b10.268802053.3c2=a2+b2-2abcosc=3.1876c=3.1870d=-0.0006va=0.0002vb=-0.0002vc=0.0002abc13.455810.26863.1872d=c-cva=-d/3vb=+d/3vc=-d/3=1783149.5=10717.2sin=a/csinsin=b/csin:[1].[M].:,1992.[2],.[M].:,2001.10420051WEST-CHINAEXPLORATIONENGINEERINGseriesNo.104Jan.2005