XXXX第六届中国公路科技创新高层论坛__专家讲稿-国内

    1  TOP  TEN  CONSIDERATIONS  LONG  LIFE  ASPHALT  PAVEMENTS  2013  Internaonal  Highway  Technology  Summit  Sponsored  by  China  Highway  &  Transportaon  Society  April  15-­‐19,  2013  Beijing  Jon  A.  Epps  Texas  A&M  Transportaon  Instute  Texas  A&M  University  College  Staon,  TX  OUTLINE  § Defini'on  § Design  Consideraons  § Construcon  Consideraons  § Rehabilitaon  Consideraons  § Maintenance  Consideraons  § Other  Consideraons  HIGH  QUALITY  LONG  LIFE  PAVEMENT  (5  to  40  Years  Increase  in  Life)  § Minimize  Premature  Pavement  Distress  § Minimize  Rehabilitaon  and  Maintenance    § Minimize  User  Inconvenience    (Customer  Focused  Construcon)  § Todays  echnology/Materials  /Contractors  § Safe  Driving  Surface    OUTLINE  § Definion  § Design  Considera'ons  § Construcon  Consideraons  § Rehabilitaon  Consideraons  § Maintenance  Consideraons  § Other  Consideraons  DESIGN  CONSIDERATIONS  § Safety  § Thickness  § Mixture  SAFETY  § Work  Zone  § Surface  Properes  – Fricon  – Drainage  – Splash  and  Spray  – Noise    § Fricon/Splash/Spray/Noise  § Permanent  deformaon  § Thermal  cracking  § Water  Suscepbility  § Sffness  § High  RAP/RAS  § Permanent  deformaon  § Fague  resistance  § Water  suscepbility  THICKNESS  DESIGN  MIXTURE/STRUCTURAL  DESIGN  § Sffness  § Rufng  § Fague  § Thermal  cracking  § Water  suscepbility  § Aging  § Lab  mix-­‐lab  compacted  vs  plant  mix-­‐field  compacted  TRAFFIC/CLIMATE  § Laboratory  compacon  effort  § Binder  selecon  § Aggregate  selecon  § High  binder  contents  RECYCLED  MATERIALS  § RAP/RAS  binder  sffness  § Uniformity  of  RAP/RAS  § Cracking-­‐fague,  thermal,  reflecon  § Aging  LAB  vs  FIELD  SAMPLES  § Different  properes  –   Compacon  method  –   Condioning/aging  § Control  properes  of  mixture  during  construcon  SUMMARY-­‐DESIGN  § Safe  surfaces-­‐fricon,  drainage,  splash-­‐spray,  noise  § Specific  mixtures  for  different  layers  § Proper  use  of  recycled  materials  CONSTRUCTION  CONSIDERATIONS  § Balance  § Equipment  § QC/QA  § Speed  § Human  Resources  BALANCE  Produc'on  Placement  Compac'on  QC/QA  § Agency/Contractor  risk  § No.  of  samples  § Performance  related    tests  § Use  of  QC/QA  data  to    control  process  § Segregaon,  joints,    in-­‐place  density    (air  voids)  SPEED  OF  CONSTRUCTION  § Quality  § Safety  § Human  resources  § User  delay  HUMAN  RESOURCES  § Training  § Cerficaon  of  personnel  § (Accreditaon  of  laboratories)  SUMMARY-­‐CONSTRUCTION  § Quality  Control/Quality  Assurance  § Human  Resources  OUTLINE  § Definion  § Design  Consideraons  § Construcon  Consideraons  § Rehabilita'on  Considera'ons  § Maintenance  Consideraons  § Other  Consideraons  REHABILITATION  CONSIDERATIONS  § Lane  occupancy  me  § Overlay  thickness/mixture  design  § Selecon  of  alternave    SUMMARY-­‐REHABILITATION  § Determine  Condion  of  Exisng  Pavement  OUTLINE  § Definion  § Design  Consideraons  § Construcon  Consideraons  § Rehabilitaon  Consideraons  § Maintenance  Consideraons  § Other  Consideraons  MAINTENANCE  CONSIDERATIONS  § Lane  occupancy  me  § Selecon  of  alternave  § Roune  vs  prevenve  maintenance  – Patching  – Fog  seal  – Slurry  seal  – Chip  seal  – Thin  overlay    SUMMARY-­‐MAINTENANCE  § Selecon  of  Alternave  OUTLINE  § Definion  § Design  Consideraons  § Construcon  Consideraons  § Rehabilitaon  Consideraons  § Maintenance  Consideraons  § Other  Considera'ons  OTHER  CONSIDERATIONS  § Contracng  method  § Public  informaon  § Implementaon  CONTRACTING  METHOD  Design  Bid  Build  Design  Build  Design  Build  Operate  Public  Private  Partnership  (ownership)  WARRANTYPUBLIC  INFORMATION  § Sustainability  story  § Customer  focused  construcon  story  § Future  funding  IMPLEMENTATION  § Development  of  new  technology  § Speed  of  implementaon  § Reduce  costs  § Increase  life  § Sustainability  SUMMARY-­‐OTHER  CONSIDERATIONS  § Warranty  § Public  informaon  § Implementaon  TOP  10  § What  can  we  do  today?  § What  pracces  are  commonly  used  today?  § Consider  today’s  capabilies  – Technology  – Materials  – Contractors  – Customer  Focused  Construcon  – Safety  TOP  10  § Design  – Safe  Surfaces  – Specific  Mixtures  for  Different  Layers  – Proper  Use  of  Recycled  Materials  § Construcon  – Quality  Control/Quality  Assurance  – Human  Resources  § Rehabilitaon  – Determine  Condion  of  Exisng  Pavement  § Maintenance  – Selecon  of  Alternave  § Other  – Warranty  – Public  Informaon  – Implementaon