道路交通外文文翻译公路防撞护栏体系.docx

道路交通外文文翻译公路防撞护栏体系.docx

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道路交通外文文翻译公路防撞护栏体系

ROADGUARDBARRIERSYSTEM

Theroadguardbarrier,6feetlong,3.5feethigh,2feetwideatbase,withitspatenteddesign,istheonlybarrierofitstypethatselflockswithouttheneedforadditionalassistance.

Nobarrier,otherthantheroadguardbarrier,canself-lockwithouttheneedofadditionalapparatus,suchasacable,strap,rodorcoupler.

Inaddition,theroadguardbarrier,becauseofitsuniquepatenteddesignallowsforcurvedconfigurationsofupto15degreesateachbarrierconnection,ineitherdirection,whileremaininglockedtotheadjacentbarrier.Nootherbarriercanmakethatclaim!

Also,theroadguardbarrierisdesignedfortheadditionofsignsscreensandflashersbecauseofthebuiltinslotsforsuchdevisesandiseasiertomaneuverbecauseofitsweightandtwocarryingslotscontainedineachbarrier.

Thepatentedinteriordesignoftheroadguardbarrierpreventsbulgingandkeepsitsside’sstraightandtrimwhilemaintainingaweightofonly125lbs.Emptybutasecure1675lbs.

Theroadguardcornerconnectorbarrierisdesignedforusewiththeroadguardbarrierasaconnectingbarrierunittoallowforeitherleftorrightangleturns,orbothsimultaneously,ofbetween75to105degreeswhilelockingtogetherallconnectingbarriers.Inaddition,thecornerconnectorbarrierallowsfortheinitialroadguardbarrierlinetocontinueafterconnectingbarrierlineextensionstotheleftand/ortheright.

Lightweightandeasytohandle,theroadguardcornerconnectorbarrieris2feetinlengthandwidthand3.5feetinheight,designedtocorrespondwiththeroadguardbarrier.

 Directlybeneaththefillingholeoftheroadguardcornerconnectorbarrierisapinextendingupwardinternallyfromthebottomofthebarriertosecurefirmlyapoleorpipethatcanbeinserteddownwardthroughthefillinghole.Saidpoleorpipecanbeusedtoattachsignage,privacyscreensorsecuritypanelsthatextendabovethebarrierlineheight.

 Theroadguardhighwayassemblyisareinforcementsystemforhighwaybarriersthatdistributeandtransferforcesthatmayoccuruponimpactofavehiclesothattheoverallhighwaybarriersystemwillhavegreaterstrengthandintegrity.TheroadguardhighwayassemblysystemmeetsallNCHRP350,TestLevel3TruckandCarCrashTestSpecifications,andisapprovedbytheFHWAforuseonhighwayconstructionprojectswherethepostedvehiclespeedinaworkzonecanbeashighas62-mph/100kph.

 Theroadguardhighwayassemblyisafabricatedsteelassemblydesignedtoeasilymounttotheroadguardbarriers.ThisASSEMBLYprovidestwodistinctfunctions:

Providingastrongandresilientoutersurfacetoresistthewheelandbumperofastrikingvehicle,andtolinkthebarriersmoresecurelytoeachotherandcreateaveryrobustlinearsystemsuchthattheforceofastrikingvehiclewillbedistributedovermanybarriers,minimizingthelateralmovementatthepointofimpact.

Theroadguardsecuritypanelisusedforperimetersecurity,safety,crowdcontrolandgeneralsiteprotection.These6’x4’chainlinkfencepanelunitsinstallfirmlyonaroadguardbarriertogiveastable8foothighcontinuous,unbrokenprotectivefenceforallsecurityandsafetyneeds.Optionalsolidmaterial,screen,orinterwovenchainlinkpanelsareavailable.

OurstudyarealiesinthenorthofmoderndeltaoftheHuangheRiveranditwasformedbytheriverwayofDiaokouin1964-1976.TheHuangheRiverhasthelargestcontentofsiltandmaytransportabout10.6Gt/asiltintotheBohaisea.Thesub-deltawasbuiltquicklyunderthesupplyofabundantsediments.Therapidaccumulationinthedeltaalwaysmakestherivercoursetobedivertedfrequently.Theabandoneddeltawouldbeerodedandretreatedrapidlyafterdiversionbecausethelackofsupply.Thegradientofthecoastalslopeinthedeltaisverygentle,thewaterdepthisonly10mintheplaceabout10kmapartfromthecoastalbank.Afewofkilometers-widetidalflatwouldbeexposedduringebbtidethatmakesusworkonthetidalflatconveniently.Thesedimentsonthetidalflataremainlycomposedoffinesands,siltandclay.

Withthedevelopmentofeconomicconstruction,variouskindsofmodernizedtrafficfacility,isitpaytosetupsuchasexpressway,city,overpassfunctionblownstrengthendaybydayincommunicationsandtransportation,thedevelopmentofandthecommunicationsandtransportationhascausedtherapidrisingofthetrafficaccident,trafficSafeandownthroughbecomingagreatworlddifficultproblem

Therigidityguardrailisoffendedtheguardrailformnotbasicallyoutofshapebytheautomobile,generallypointtheconceptofadopting"safeappearance"ofguardrailofmodesinChineseoperaticmusicofconcretewallofconcreteguardrail,throughthedifferentsidesofslopeofappearancemainly,maketheautomobilemoderate,itishightoclimb,changedirection,lastmakingnotcollidingkindsofguardrailanglesmallerthan100carnotmedium-sizedmakingachangeeffectiveto,makeautomobilereceivelighterdamage,asangleofcolliding,collidewhenrelativelyheavyspeedhaving,theautomobiledamagesseriously.

Accordingtorigiditywithcandivideintoflexibleguardrail,semi-rigidguardrailandrigidityguardrailsafeformofguardrail.1）Theflexibleguardrailgenerallypointsthecableguardrail,isonekindwithstructurethatfixesofmanyrootsonthepillarofcableofexertingprestressingforce,totallyrelyingonthestressofdrawingofthecabletoresistthevehicleandcollide,theformisbeautiful,notoppressingthesensewhilegoing,butthesightleadsworse,thefabricationcostisrelativelyhigh,donotgenerallyuse.2）Thesemi-rigidguardrailgenerallypointstheroofbeamtypeguardrail,isakindofroofbeamtypestructurefixedwiththepillar,dependontheguardrailcrookedandoutofshapeandapullingforceresistthecollisionofthevehicle.Therearealotofkindsoftheroofbeamtypeguardrail,usethemostextensiveonetobetheroofbeamguardrailofthewaveform.Havecertainrigidityandtoughness,easytochangeafterdamaging,canleadthesight,theappearanceisbeautiful.3）Therigidityguardrailgenerallypointsthecementconcretewalltypeguardrail,isakindofconcretewalltypestructureofcementwithcertainsectionform,relyontheautomobiletoclimbhigh,outofshapeandrubingtoabsorbtheenergyofcolliding.Theguardrailsecurityhigh,canpreventtwoaccidenteffectively,itselfdifficulttodamage,themaintenancecostislow,buthavesenseofoppressingtogotothevehicle,itisrelativelyserioustodamagethevehicle.

Securityguardrailofexpresswayshouldpreventhigh-speedvehiclethatgofromexceedoutlet,passthroughcentralauthoritiesisitisitisittolane,canleadthedriver'ssightcorrectlytointrudeupontotaketoseparate,makethevehiclegetbacktonormaltraveldirection,anditisminimumtoreducemalignantdegreeoftheaccidentto.Inaword,high-speedhighwaysafetyguardrailreducetrafficaccidentandreduceaccidentmalignanteffectivemeasureofdegree,butinshouldn'tsetupplaceoftheguardrailsetuptheguardrail,becomethenewbarrierinstead,itisdangeroustoincreasetheaccident.So,shouldgraspthecharacteristicoftheguardrailtothedesignofthesafeguardrailfirstandcombinethetrafficconditionoftheexpressway,onthepremiseofmeetingbasicfunctionoftheguardrail,selectthesuitableguardrailformforuse,adopttherationalestablishmentprinciple.

Becausetopographicalterms,maketheinvestmentandtechnologicaltermstorestrainfrommanykindsoffactor,waysidehavebarrierunavoidably,toexceedvehicleofoutletformthepotentialdanger.Waysideguardrailsetupinbeabletoreduceaccidentseriousplaceofdegreeonly,itsdesignprincipleisconfirmedaccordingtopeople'ssubjectivejudgementofsuchfactorsasclassofhighway,volumeoftraffic,vehiclemakingupandwaysidecharacteristic,etc..

Themostidealguardrailformisthatmeetfunction'sneedsaswellasthecostisthelowest,andelegantinappearance,andcanleadthesightofdrivingavehicle.Thecableguardrailissuitablefornothavingevenlynosinking,snow,longstraightline,highwaysectionwiththespecialbeautifuldemand;Theconcreteguardrailissuitableforverydangeroussteppingsuchhighwaysectionsastheriverbridge,cliff,etc.;Waveformguardrailhaveheavysuitability,suitableforallhighwaysectionbasically,especiallysmallradiuscurveddishisitleadhighwaysectionofsighttoneed.RequireaccordingtonormandHunanProvincemanypiecesofhigh-speedhighwaysafetyguardraildesignexperience,thegeneralwaysideofhighwaysectionadoptstheroofbeamguardrailofthewaveform,thespecificverydifficultdangeroushighwaysectionadoptstheconcreteguardrail.

Inasituationthatthevolumeoftrafficisbig,vehiclegoatahighspeed,isitcrosscentralauthoritiesseparatethesituationledtohappen,mayproducetheseriousconsequence,so,thecentralauthoritiesseparatethewidththatbringastheimportantbasisofsettingupguardrail.Anticollisioncushionthroughabsorbvehiclecollideenergymakevehicle'sstoppingsafely,makethevehiclechangetraveldirection,avoidthedepartmentandtakeadvantageofpersonnel'sreceivingfacilitiesoftheseriousinjury.Theanticollisioncushioniswithlowcosts,haveveryhighsecurityperformance.Itmainlyappliesfromtakinginthemiddleofnothavingtobringingandcarryingoutthetransitionwhilehaving,theusualfriendshipchannelizingislandshuntsone,hasregularbarrierswhenthepilosityhighwaysectionofthetrafficaccident.The