山区高速公路改扩建不同设计方案环境影响比较

322200912JOURNALOFSSSRIVol.32No.2Dec.2009:2009207208:(19792),,,,:167425949(2009)0220049205邱艳华1,陈兴龙1,周洲1,刘春玲2(1.上海船舶运输科学研究所环境评价部,上海200135;2.交通部水运科学研究所,北京100088):,,,,,;,,,:;;:U416.05:AComparisonofEnvironmentalEffectsofDifferentFreewayBroadeningDesignSchemesinMountainousareaQIUYan2hua1,CHENXing2long1,ZHOUZhou1,LIUChun2ling2(EnvironmentAssessmentDivision,ShanghaiShipandShippingResearchInstitute,Shanghai200135,China)Abstract:Differentdesignschemesforfreewaybroadeninginmountainousareahavedifferenteffectsonenvironments.Envi2ronmentaleffectsofdifferentconstructionprojects,roadbedshapesandbroadeningschemesetc.arecompared.Itisproposedthatschemeofbroadeningshouldbeappliedasfaraspossibleiftheexistingroadhasnotdevelopeditspotentialfunctionssuffi2cientlysoastoavoideffectsofrebuildingnewfreewaysondamageofenvironments.Anditisconsideredthatintegratedschemeofbroadeningatsinglesideshouldbechosenforroadbedshapeandseparatedschemeofbroadeningatsinglesideshouldbeadoptedbycombiningwithactualterrainandgeologyconditionsforthesectionsoftheroadwhereintegratedschemeofbroade2ningisnotsuitable.Keywords:mountainousarea;freewaybroadening;environmentaleffects0,,,,,/0,,4120km/h,5,2003,6.6,32%,20002003,,21.5%,,6h60km/h,,,,4,,,,,,,,,,,,,,/,,,0[1]1,1.1,,,;,,,,,,,,,,(),,484,[2]2(1)1,,,,,,,,,1.22,,13,,,,,,,502009214,4(24.5m)40m~60m;4,,,,,,,;,,,,,,;,,,,,,;(),,;,,;,,,,;,,4,,,,,,,,1.3,251,:123,,,4,4,,,2,8(),,22,,,,,,,,,,,,,,,,,,,52200922,,,19.5m+Lm(L),16.5m,,,,,,5m~20m,,,,,;,,,,,,,,,2,,,,,,,,,,,,,,,;,,:[1].[M].:,2004.[2].[M].:,2005.53,: