畢業(yè)論文-隧道不良地質(zhì)段的支護措施的研究

1、蘭州交通大學繼續(xù)教育學院畢業(yè)設計（論計（論文）文）設計題目：隧道不良地質(zhì)段的支護措施的研究專業(yè)（班級）：專業(yè)（班級）：蘭州交大土木工程蘭州交大土木工程(09級)指導教師：師：學生姓名：名：學號：號：2ABSTRACTInthispaperthegeologicalsectionofthetunnelundesirableadversegeologicalsuppttoanalyzeavarietyofadversegeologicalh

2、azardsofthetunnelconstructionthroughavarietyofadversegeologicalconditionsoftheclassificationstudybystudyingtheadversegeologicalconditionsofthetunnelisdividedintothefollowingseveralcategies:1.VlevelthemebrokenrockclassIV.

3、2.medrycondensationfceporockfaultzoneVgradewaterwithsoftrock.3.shallowwaterbearingfracturezonefaultVclassVclassrocksurroundingthefollowingparagraphstrictcontrolofthesurfacedefmationofthelot.4.waterrichstrataofWateralarge

4、rwkingfaceislessstableloosesoil.5.duringtheexcavationcannotbewkingfacehomeostasis.Carriedoutthroughtheabovementionedfivecategiesofanalysistheabovementionedfivecategiesofdesignconstructionsolutions.Themostusedfmavarietyof