衡枣高速第4合同段路线设计_路桥毕业论文设计说明书

1+976.28~K38+879.643],theroutelengthof6903.363meters.Thedesignspeedof100km\/h,lanesto4lanes.ThedesignofthemainworkusingtheCASSvectortopographicmap,familiarwiththedesigndata.Selectseveralpossibleroutesfromtopographicmaps,thedesigncannotbeontheselectedrouteoffieldexploration,soitcanonlybeusedinweftthree-dimensionalroadsystemforpreliminarydesignofthemaintechnicalandeconomicindexes,wecandrawseverallinesofthetable.Theoptimaldesignasthefinalroutescheme.Thedesignschemeisdeterminedbythelatitudeofthedetailofthehorizontalandverticalthreesection,thentodesigntheneedtobridgerouteinplace,todigtheslopeandtheamountoffilllocaldesignofhighretainingwall.Finally,fortandprotectenvironment,theenvironmentalprotectionandlandscapedesign.Keywords:VectorisationProfiledesignCrosssectiondesignEnvironmentalconservation