文档介绍:EngineeringRockMassClassificationThispageintentionallyleftblankEngineeringRockMassClassificationTunneling,Foundations,andLandslidesBhawaniSinghFormerProfessorofCivilEngineeringIndianInstituteofTechnologyRoorkee-247667(India),CBRICampusRoorkee-247667(India)EdinburghLondonNewYorkOxfordPhiladelphiaStLouisSydneyToronto2011Butterworth-HeinemannisanimprintofElsevier225WymanStreet,Waltham,MA02451,USATheBoulevard,LangfordLane,Kidlington,Oxford,OX51GB,UK#,electronicormechanical,includingphotocopying,recording,oranyinformationstorageandretrievalsystem,,furtherinformationaboutthePublisher’anizationssuchastheCopyrightClearanceCenterandtheCopyrightLicensingAgency,canbefoundatourwebsite:(otherthanasmaybenotedherein).,changesinresearchmethodsorprofessionalpractices,,,neitherthePublishernortheauthors,contributors,oreditors,assumeanyliabilityforanyinjuryand/ordamagetopersonsorpropertyasamatterofproductsliability,negligenceorotherwise,orfromanyuseoroperationofanymethods,products,instructions,-in-PublicationDataSingh,:tunneling,foundations,andlandslides/BhawaniSingh&