Concrete pavement mixture design and analysis (MDA) : application of a portable x-ray fluorescence technique to assess concrete mix proportions.

Details

• Creators:
  Taylor, Peter C. ; Yurdakul, Ezgi ; Ceylan, Halil
• Corporate Creators:
  Iowa State University. National Concrete Pavement Technology Center
• Corporate Contributors:
  United States. Federal Highway Administration
• Subject/TRT Terms:
  • Concrete pavements
  • Admixtures
  • Mix design
  • Portable equipment
  • X ray fluorescence
  • Proportioning
  • Field tests
  • Mortar
  • Pastes
• Publication/ Report Number:
  Part of InTrans Project 09-353
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States
• Corporate Publisher:
  Iowa State University. Institute for Transportation
• Abstract:
  Any transportation infrastructure system is inherently concerned with durability and performance issues. The proportioning and ; uniformity control of concrete mixtures are critical factors that directly affect the longevity and performance of the portland cement ; concrete pavement systems. At present, the only means available to monitor mix proportions of any given batch are to track batch ; tickets created at the batch plant. However, this does not take into account potential errors in loading materials into storage silos, ; calibration errors, and addition of water after dispatch. Therefore, there is a need for a rapid, cost-effective, and reliable field test that ; estimates the proportions of as-delivered concrete mixtures. In addition, performance based specifications will be more easily ; implemented if there is a way to readily demonstrate whether any given batch is similar to the proportions already accepted based on ; laboratory performance testing. ; The goal of the present research project is to investigate the potential use of a portable x-ray fluorescence (XRF) technique to assess the ; proportions of concrete mixtures as they are delivered. Tests were conducted on the raw materials, paste and mortar samples using a ; portable XRF device. There is a reasonable correlation between the actual and calculated mix proportions of the paste samples, but data ; on mortar samples was less reliable.
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• Format:
  PDF
• Funding:
  Part of DTFH61-06-H-00011 Work Plan 25
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/26337/dot_26337_DS1.pdf
• File Type:
  [PDF - 836.71 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:8c37c97ceba1ce16d190e74fb126ccd91c9a5ae5325d56263ab2c193e57f1dd829ebe089fe2e2b4944107cf9154d7e836170a9d729c4a25ef1f0dab223b4196d