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OntheDrivingSightDistanceastheQualityIndexofHighwayUse

  

  1. (ChinaForestryExploration&DesignInstituteinKunming,Kunming650216,China)
  • Online:2018-10-30 Published:2018-10-30

Abstract: Sightdistanceisthenecessarysafedistancefordriverstotravelontheroad.Theimportanceofdrivingsightdistanceasaqualityindexofroadusehasbeenexpoundedtofurtherclarifytheimporanceofparkingsightdistaceintheroaddrivingprocess.Referringtothereasonablecalculationmethodandcombiningwiththerequirementsofthecode,thedataofvariousinfluencingfactorsarecomparedtodeterminetheinfluenceofvariousfactorsintheparkingsightdistance.Throughthecomparisonofconclusions,itisfoundthatthecalculationofsightdistancecannotadoptasingleanddogmaticfixeddesignvalue,butshouldcomprehensivelyconsidertheinfluenceofspeed,reactiontime,frictioncoefficient,longitudinalslopeandsomeotherfactors.Separatedanalysisandcalculationonsightdistanceshouldbeconductedinspecialsections,andsomepracticalandeffectivelytargetedmeasuresonensuringdrivingsafetyarethenputforard

Key words: sightdistance, influencingfactors, designspeed, frictioncoefficient, roadsafet

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