SimonStreetStageIIRealignment130MadrasSt,ChristchurchCentral,Christchurch8011|03‐94108000|Jb_Bradshaw@hotmail.com

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.

Page2

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