利用CASS软件计算土石方

:2007-12-02.:(400274005).:(1972-),(),,,3S.CASS(,445000):.,,CASS,,,.:;;:TB22:A:1008-8423(2008)01-0118-03EarthworkCalculatingbyUsingCASSSoftwareXUWei-sheng(SchoolofBiologicalScienceandTechnology,HubeiInstituteforNationalities,Enshi445000,China)Abstract:Amethodofcalculatingcutsandfillsisputforwardwhichissuitabletotheconditionofnotunevenground.Thefirststepistocalculatecutsandfillscomparedwithsomedatumplaneinthesamerangewithsquaregridmethod.Thesecondstepistocalculatethedifferenceinearthquantityofeachgridbeforeandaftertheconstruction,andgetthepracticalcutsandfills.Thelastoneistocalculatetheen2tireearthquantity.Accordingtoengineeringpractice,thismethodissimpleandprecise.Keywords:earthquantity;thesidelengthsquaregrid;digitaltopographicalmap,,.,,,,,.,,,,(),.,,,..CASS1,11,,,CASS[1].1CASSCAS5.1DTM4,,,,,,,[2].261()Vol.26No.120083JournalofHubeiInstituteforNationalities(NaturalScienceEdition)Mar.2008,,.,,,,,DTM,,.,,,.2(1),,3.dat.,,,,1,.(2),,.CASS,,,1a.dat;CASS,a.dat,;CASS,1.dat,.3:,,,,,,,CASS.1,,.;1500.,.,,56m,,,,CASS5.1;,,,,;,,CASS5.1,,,,,.:,,.,[3];;,;:.:(m)20.,20m.,,.,.:=,=:(a)(b)12;::(m):=m3,=m3;,(),,.4,,,,9111:CASS,10m10m[4],,CASS,.24552.1m,26383.8m3,5794215m3.5,,,,.[5]:m2vv=2A2m2l+1N-12Nm2hh2V();mv;A;ml;N,N(L/S)2,S,L;h;mh;mh:m2h=m20+115tan2m2d,m0,;md,.,A24552.1m,ml0.05m,N402,h0.8m,m0.25m,[6]:m2vV=2A2m2l+1N-12Nm2hh2=2.03%.6(1),CASS5.1,.,.,,[7,8].(2),,,,,,,,.,,,.:[1].CASS[J].,2005(3):39-41.[2],,,.CASS5.1[Z].:,2002.[3].[J].,2006(3):76-77.[4].[J].,2000,23(1):70-73.[5].[J].,2004,24(3):349-351.[6].[J].,2004,30(2):49-50.[7],.DTM[J].,2002(3):132-133.[8],.[J].:,2001,19(4):23-25.021()26