ASCE SEI and Sustainability Committee 

Webinar: Concrete Ideas for Reducing Carbon Emissions

Whatever their structural system, most buildings and infrastructure projects utilize a significant amount of concrete in their construction. Concrete is a time-tested, reliable material that creates strong, durable, cost-effective structures, however, the manufacture of Portland cement used in concrete creates a large “bloom” of CO2 emissions into the atmosphere. This presentation presents information about the specifics of carbon emissions from concrete and concrete masonry construction, including new GWP emissions data obtained from Environmental Product Declarations (EPD) of aggregated concrete mixes developed by the National Ready-Mix Concrete Association (NRMCA). We will then explore answers to the question, “How can we reduce our CO2 emissions from concrete and concrete masonry without compromising the performance of our structures?” We will look at several specific strategies, including:

• Alternatives to conventional foundations to reduce the concrete volume used
  
• Use of Supplementary Cementitious Materials to offset Portland cement in concrete and grout
  
• Alternatives to standard concrete slabs-on-grade that can reduce cement usage
  
• Use of Insulated Concrete Forms (ICF) to reduce cement usage in superstructure walls
  
• Voided Slab Systems (VSS) to reduce the volume of concrete used in two-way slabs
  
• Options for alternative types of cements that have reduced CO2e footprints
  

This presentation has been approved for 1 PDH!

Speaker Bio: Jim D'Aloisio is a Principal with Klepper, Hahn & Hyatt, a structural engineering, landscape architecture, andbuilding envelope services firm in East Syracuse, NY. He has over 30 years’ experience as a consultingstructural engineer, responsible for the design and assessment of new buildings, additions, and structuralrenovations. Jim is a graduate of Rensselaer Polytechnic Institute, a Registered Professional Engineer (NYand MA), Certified by the Structural Engineering Certification Board (SECB), a LEED AccreditedProfessional (LEED AP), and an Urban Green Council-trained Crushing the Energy Code presenter. He is amember of the Order of the Engineer, through Syracuse University. He is a member of the ASCE StructuralEngineering Institute (SEI) Sustainability Committee and a member of ASCE’s Frost-Protected ShallowFoundation Committee. Climate Action Team. He is a former Chair of the U.S. Green Building Council'sNew York Upstate Chapter, and former USGBC national board member. He has written over 20 articles onthe relationship between building structures and sustainability and has presented over 300 times.

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