高速公路中間帶型式及安全性研究.pdf

1、長安大學(xué)碩士學(xué)位論文高速公路中間帶型式及安全性研究姓名：富志鵬申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：楊少偉20040101AbstractTheaccidentrateoffreewayisratherhighinChinaThegeometriccharactcristicsofthefreewayhaveaneffectontheaccidentrate，thedesignparameterinparticularAcco

2、rdingtotheinvestigationoffreewayaccidentsdata，wehavefoundthatguardrailheightofthemedianandthetypeandlocationofthecurbaffecthigh—spccddrivenegativelyByanalyzingthecharacteristicsandreasonofmedianaccidents，inlightoIthcmovi

3、ngsituationwhencarsknockguardrail，thistextsetsupaguardrMlmodelandamodelofcarsknockingguardrail，anddeterminestheguardrailheightthatredoundstopreventsloppingoveroflargesizedautomobilesandknockingOismall—sizedautomobiles；ac

4、cordingtotheloadanalysiswhenthewheeltouchthecurb，thedrivingpressurethattheoutsidecurbmaketOdriversandsimulationmanipulation，thistexteoncludcsthatcurblocatedoutsidcofguardrailgoesagainstfreewaydriving，anddetermineslocatio

5、nofthecurbcombinedwiththeAmericanfullsizetest，moreover，itbringslbrwardamediantypethatisreasonableandsafe，whichissignificanttoimprovedrivingsafetyanddecreasefreewayaccidentsnourcountryKeywnrds：freewaymediantypeguardrailhe