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SimonStreetStageIIRealignment130MadrasSt,ChristchurchCentral,Christchurch8011|03‐94108000|[email protected]
September14,2016
MG6014Assignment1
AraInstituteofCanterbury
130MadrasSt,ChristchurchCentral
Christchurch8011
Dear
TheStageIIrealignmentofSimonStreetlocatedinHamilton(Waikato)istobedesignedandscheduledforcompletioninthiscomingspring.FromtrafficanalysisSimonStreethasbeenpredictedtohaveanAnnualAverageDailyTraffic(AADT)of5800vehiclesperdaywith8%oftheAADTcomprisingofheavyvehicles.The240mstretchofroadhastwolanes(NorthernBoundandSouthernBound)whichiszonedasanUrbanArterialroadandhasanannualtrafficgrowthrateof2%.
FromanalyzingandconvertingthescalarpenetrometerdataatthethreegivenlocationsusingtheNZS4404:2004ParameterrelationshipgraphanAverageCBRvalueof6.7wasobtainedforthesite.Howeverlocation3producedanaverageCBRvalueof5.16whichindicatesthatthesoilatandaroundthislocationisalotweakerthantheaverage.DuetothistheCBRvalueof5.16,whichhasbeenroundedto5wasusedinthedesigningofthepavementstructureforperformanceandqualityassurance.ThepavementstructurewasdesignedusingtheAUSTROADSempiricalmethodofanunboundgranularpavementwithadesignlifeof25years.Incorporatingthecalculateddesigntraffic(DESA)of4.69x106theconcludedpavementstructurewillcompriseofabasecoursethicknessof160mm,aswellasasubbasethicknessof300mm.
Thefirstcoatsealwillcompriseofgrade4chipwithanaverageALDof6.5mmwhichmeetstheTNZspecificationrequirementsforgranularmaterial.Aquantityof23m3ofchipisrequiredforthefirstresealwitharesidualapplicationrateof1.26l/m2.Asecondcoatsealwillberequiredin2years’timeaftertheplacementofthefirstcoatseal.
Thesecondcoatsealwillcompriseofgrade3chipwithanaverageALDof8mmwhichmeetstheTNZspecificationrequirementsforgranularmaterial,aquantityof29m3willberequired.ThesecondcoatsealhasbeendesignedtowithstandtheincreasingAADTpassingthroughSimonStreetwhichhasbeenpredictedtoincreaseto6034vehicles.TheNorthernboundandSouthernboundlanehavebeendesignedseparatelyduetothesurfacetexturedepthhavingavarianceof0.03mm,whichwillalterthehotbinderapplicationrate.
Sincethecompletiondateisscheduledforspring,thesecondcoatsealwillbeappliedinthespringmonths,duetothisthebitumentobeusedforthesecondcoatresealwillcompriseofapenetrationgradeof130/150.130/150hasbeenselectedbecausetheuseofasofterbitumenduringthewarmerspringmonthscouldincreasetheoccurrenceofhightemperatureinducedbleeding.Theaverageshadedtemperatureisassumedtobe15°C,thereforethediluentcontentwillcompriseof8pphasrecommendedbyChipsealingNZ.Hamiltonexperiencedanaverage12‐14daysofrainduringthespringmonthsof2016,thereforeadhesionagentswillbeaddedcomprisingof1pph.
TheNorthernboundlanewillbeappliedatafinalhotbinderrateof1.519l/m2atasprayingtemperatureof156°Cduringconstruction.Therollingwillbegovernedbyasinglerollerataspeedof8km/h,whichwilltakeapproximately30minutestocompletetherequiredrollingfortheNorthernBoundlane.
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TheSouthernboundlanewillbeappliedatafinalhotbinderrateof1.516l/m2atasprayingtemperatureof156°Cduringconstruction.Therollingwillbegovernedbyasinglerollerataspeedof8km/h,whichwilltakeapproximately30minutestocompletetherequiredrollingfortheNorthernBoundlane.
Sincerely,JamesBradshaw
ARA Institute of Canterbury
Project 2 Pavement and Surface Design MG6014 Highway Engineering 2
James Bradshaw ___________________________ September 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
CALULATIONS
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
END OF CALULATIONS
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
APPENDIX
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
Project 2: Assignment 2 – Pavement and Surface Design
99113421 MG5012 Sep 2016
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