Use of Internal Curing Materials to Improve Performance of Concrete Infrastructure

Details

• Creators:
  Khayat, Kamal H. ; Meng, Weina ; Valipour, Mahdi ; Hopkins, Matthew
• Corporate Creators:
  Research on Concrete Applications for Sustainable Transportation (RE-CAST) ; Missouri University of Science and Technology
• Corporate Contributors:
  United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
• Subject/TRT Terms:
  • Concrete bridges
  • Concrete curing
  • Concrete pavements
  • High performance concrete
  • Mix design
  • Sand Internal curing
  • Lightweight sand
  • Saturated sand
  • Bridges and other structures
  • Highways
  More +
• Publication/ Report Number:
  RECAST UTC #0055456
• Resource Type:
  Tech Report
• Geographical Coverage:
  Missouri;United States
• Edition:
  Final Report Period: 7/1/2016-7/31/18
• Corporate Publisher:
  Missouri University of Science and Technology
• Abstract:
  The project presented in this report seeks to develop a proper methodology to use saturated lightweight sand (LWS) to improve the performance and prolong the service life of concrete mixtures. High-performance concrete (HPC) approved by MoDOT was used for the baseline mixture and was modified with different types and contents of saturated LWS used for internal curing. This was done to evaluate the optimum dosage of LWSs and maximize their effectiveness on enhancing performance. The performance improvement from the LWS mainly focused on reducing shrinkage and resulting cracking potential without sacrificing durability and cost competence of the HPC. The project established new mixture design and curing recommendations for concrete made with LWS and validated their performance through laboratory investigation. The results obtained in this work are expected to provide a basis for: (1) New mixture design methodology and guidelines for using LWS for bridge and pavement applications; and (2) Validation of performance improvement when using internal curing and cost competitiveness in the State of Missouri.
• Format:
  PDF
• Funding:
  USDOT: DTRT13-G-UTC45
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/37916/dot_37916_DS1.pdf
• File Type:
  [PDF - 4.78 MB]
• Collection(s):
  University Transportation Centers ; US Transportation Collection
• Main Document Checksum:
  urn:sha-512:828cd043aa9c56a7402e562a869951c1490ffbd07a09d0a93b7b9e6e807ee1db403c67cf9ed083c2457f51f3e6f9734f9085d12d686bd60b946fae4726dddf6c