沥青粘合剂、混合料和路面的可持续性发展.pdf

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1、The Sustainability of Our Asphalt Binders,Mixtures and Pavements2023 Alaska Asphalt Paving SummitAnchorage,AlaskaNovember 6,2023Jason Wielinski,P.E.Regional EngineerWhat is Sustainability?“Sustainable development is development that meets the needs of the present without compromising the ability of

2、future generations to meet their own needs.”World Commission on Environment and Development(1987)What does Sustainability mean to you?Pavement Sustainability:The Four Pillars(FHWA,2015)https:/acropolistickets.tours/parthenon-architecture/Achieve the engineering goals for which they have been constru

3、ctedPavement Design Carry expected traffic volumes Through expected service life Maintained level of serviceabilityMaterial Specifications1.PerformanceMEPDG Design Procedure(NCHRP 1-37A 2004)Preserve and(ideally)restore surrounding ecosystemsEnergy consumptionGlobal Warming Potential(GWP)Green House

4、 Gas(GHG)Emissions2.Environmentalhttps:/www.nps.gov/orgs/1207/fy2018maintenancebacklog.htm Use financial,human and environmental resources economically Costs Associated with Construction Maintenance Rehabilitation Preservation Best Practice Life Cycle Costs Analysis Other Costs Vehicle Operating Cos

5、ts Crash Costs3.EconomicFrom:FHWA:Life Cycle Costs Analysis in Pavement Design Meet human needs such as health,safety,equity,employment,comfort and happiness Equity Safety Smoothness Vehicle Operating Costs Crash Costs Aesthetics Access Mobility4.Socialhttps:/www.fhwa.dot.gov/goshrp2/Solutions/Relia

6、bility/R11/WISE_Work_Zone_Impacts_and_Strategies_Estimator_Software We have historically promoted sustainability efforts Performance Energy Consumption Recycling Pavement Design Safety We are now being asked to keep score And Improve!Accountability is keyWhy does sustainability feel different now?Gr