编制矿山开发建设项目水土保持方案的几点经验_王海军

255200510BulletinofSoilandWaterConservationVol.25,No.5Oct.,2005:2005-06-28:(1972)),(),,,E-mail:[e-mail]王海军,张雨华,王兆良,代凤梅(,068250):,,,,,,,2:;;:A:1000)288X(2005)05)0108)03:S157SeveralExperiencesonProgramDesignofMineExploitationandConstructionofWaterandSoilConservationWANGHa-ijun,ZHANGYu-ping(LuanpingWaterAuthority,LuanpingCounty068250,ShaanxiProvince,China)Abstract:Mineexploitationcoulddestroythevegetationanddisturbtherockstructure,ofearthsurface.Itcouldresultserioussoilandwaterloss.Basedonsummarizingtheexperiencesofpracticesofmineexploitationforseveralyears,somesuggestionsondesigningofmine-exploitationconstructionofwatersoilandconservationarebroughtforwardfromthefollowingaspects:(1)theforecastofsoilerosion;(2)therationalarrangementofcontrolmea-sures.Thearrangementofcontrolmeasuresmustbenotonlyeconomicalandrational,butalsosatisfytheneedoftheaimonsoilandwaterconservation.Thecontrolmeasuresincludetwotypes:engineeringandplantation.Keywords:mineexploitationandconstruction;programofsoilandwaterconservation;experiences,,,,,214~1750.4m,80%,/0,,,,,,,,1科学预测水土流失量,,,,,,,,1.1,,,,5a,3a,8a,,1~2a,3a1.2(),,,=AA,=@A1.3,=@,=@,,2合理布置水土保持防治措施,,22.1,,,,;;,,,2.2/0,,,;,,,0.3m@0.3m@0.3m,1.0m@1.0m;,1.2m@0.6m@0.4m,2m@1.5m3举例说明3.1,36.8hm2,,,,11)21.20.21.322.72.48.10.41.212.1)0.4))0.4)0.30.40.31.0)0.40.10.10.62.430.41.12.936.83.2,,,1a,,,,(1):,,3a(2):,20a(3):20a,,23a(4):,10a3.3,,,,,,,22/(t#km-2#a-1)50014008001000)/hm2)21.20.21.322.710a/t)2968161303114/hm22.48.10.41.212.123a/t2762608.273.62763233.8/hm2)0.70.40.31.420a/t)1966460320/hm2)0.40.10.10.63a/t)16.82.43.022.2/hm22.430.41.12.936.8/t2765789156469669026690t,14.54a,1250.3t/(km2#a)1095:3.4(3),,,(4)3/a/hm2/(t#km-2)/t/hm2/(t#km-2)/t/t/%22.710125500062501021250.31275.317525.3126.2710.023120.01000012000)))1200041.892.12325.3150003795)))3785.0013.252.12325.31200030361331250.31662.904698.9016.400.4204.260002523.81250.347.51299.511.051.02020.01500300)))300.001.050.631.8150027)))27.000.0936.8256602985.2028645.72100.004/hm2/t(/)22.703114.007.00525.314411.311.4212.103233.8020493.9017260.105.340.4091.43299.51208.082.281.00228.57300.0071.430.310.6022.2027.004.800.2236.806690.0028645.7221955.723.284,,3.28,,5.34,2.28,1.42,3.62,,,,(5)4结论5(m/)40/1x(m/)100/5(m/)32/4(m)100R800(m)700x(m)800(m)500(m/)200/1(m/)800/8hm22.1hm212.7hm20.4hm210hm28.0hm20.5hm20.3x:x11025