Bridge Decks: Mitigation of Cracking and Increased Durability

The application of pre-soaked lightweight aggregates (LWA) as an internal curing agent in concrete to reduce the cracking due to drying shrinkage is thoroughly studied in this report. It is determined that although LWA can significantly reduce autogenous shrinkage, its effect on drying shrinkage is minimal and in some cases it can even increase the drying shrinkage. Moreover, the combined effects of LWA and expansive cement (Type K) and LWA and shrinkage-reducing admixtures (SRAs) on drying shrinkage is also studied. It is shown that addition of Type K cement or SRA to mixtures containing LWA can significantly reduce drying shrinkage and make the mixture more volumetrically stable.

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  • Supplemental Notes:
    • ICT PROJECT R27-139: Bridge Decks: Mitigation of Shrinkage Cracking (Phase 2 Study).
  • Corporate Authors:

    University of Illinois, Urbana-Champaign

    Department of Civil and Environmental Engineering
    205 North Mathews Avenue
    Urbana, IL  United States  61801-2352

    Illinois Center for Transportation

    1611 Titan Drive
    Rantoul, IL  United States  61866

    Illinois Department of Transportation

    Bureau of Materials and Physical Research
    126 East Ash Street
    Springfield, IL  United States  62704-4766

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Authors:
    • Ardeshirilajimi, Ardavan
    • Wu, Di
    • Chaunsali, Piyush
    • Mondal, Paramita
    • Chen, Ying Tung
    • Rahman, Mohammad Mahfuzur
    • Ibrahim, Ahmed
    • Lindquist, Will
    • Hindi, Riyadh
  • Publication Date: 2016-6

Language

  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 01616254
  • Record Type: Publication
  • Report/Paper Numbers: FHWA-ICT-16-016, ICT-16-018, UILU-ENG-2016-2018
  • Contract Numbers: R27-139 (Phase 2)
  • Files: NTL, TRIS, ATRI, USDOT, STATEDOT
  • Created Date: Nov 11 2016 1:45PM