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IPOD Abstract for presentation (Poster or Podium) with a Paper in the Conference Proceedings

Airport Pavements

1666295 - Optimized Strategies for Reducing Greenhouse Gas Emissions during Flexible Pavement Life Cycle

Monday, June 17, 2024
10:45 AM - 11:00 AM ET
Room: 216

    Primary Author(s)

  • AS

    Athar Saeed, PhD, PE (he/him/his)

    Engineering Consultant
    Saeed & Associates Consultants, Inc. dba Saeed Consultants
    Frisco, TX, United States

    • Co-Author(s)

  • Jeb S. Tingle, P.E.

    Senior Scientific Technical Manager
    U.S. Army Engineer Research and Development Center
    Vicksburg, MS, United States

  • CW

    Charles Williams, Jr., PhD PE

    Research Civil Engineer
    US Army Corps of Engineers, Engineer Research and Development Center
    Vicksburg, Mississippi, United States

    • Submitter(s)

  • AS

    Athar Saeed, PhD, PE

    Saeed & Associates Consultants, Inc. dba Saeed Consultants
    Frisco, Texas, United States

Abstract: The United States Government has committed to improve the nation’s preparedness and resilience to the effects of a changing climate by targeting net-zero greenhouse gas (GHG) emissions by no later than (NLT) 2050 and of limiting global warming to 1.5 oC.  The Department of Defense’s (DOD) role is to develop strategic processes to ensure net-zero emissions from federal procurement, including a Buy Clean policy to promote use of construction materials with lower embodied emissions.  DOD's Climate Adaption Plan outlines 5 Lines of Efforts (LOEs); LOEs 1 and 4 are of particular interest to the pavement’s community.  LOE 1 includes consideration of the social cost of GHG emissions in applicable cost-benefit and life-cycle decisions and analyses.  LOE 4 spurs the deployment of climate mitigation technologies such as pioneering the use of carbon-sequestering and GHG emissions reduction.  This paper explores a technical approach to meet DOD CO2 GHG emission reduction strategies and includes data driven evaluation framework to estimate baseline CO2 GHG emissions associated with construction and maintenance, repair, and rehabilitation (MRR) of flexible pavements, and explores opportunities for reducing CO2 emissions.  Strategies developed and formalized for reducing CO2 GHG emissions for flexible pavement life cycle are classified as belonging to (1) pavement design, (2) materials, (3) equipment, (4) processes and (5) disposal (end-of-life) categories.  Documented CO2 GHG emissions data will be used to establish expected emissions reductions for each strategy.  Optimized strategies will be highlighted using two case studies, one each belonging to highway and airfield pavements.

Learning Objectives:

Attendees can expect to learn the following from this session:
  • Estimate baseline GHG emissions associated with construction and maintenance, repair, and rehabilitation (MRR) of flexible pavements.
  • Explores opportunities for reducing GHG emissions associated with life cycle of flexible pavements.
  • Categorize and formalize strategies as belonging to various GHG emission reduction classifications.