Evaluation of Aggregate Sieving Methods for Hot-Mix Asphaltic Concrete Design and Production

Details

• Creators:
  Benson, Fred C. ; Ellis, Tommy D. ; Martinez, D. Fred
• Corporate Creators:
  Texas Transportation Institute. Texas A&M University
• Corporate Contributors:
  Texas State Department of Highways and Public Transportation ; United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  Aggregates Asphalt Concrete Design Evaluation Hot Mix Asphalt Production Sieve Analysis
• Publication/ Report Number:
  FHWA/RD-85/3+285-2
• Resource Type:
  Tech Report
• Geographical Coverage:
  Texas ; United States
• Edition:
  Interim: September 1979 - August 1985
• Corporate Publisher:
  Texas Transportation Institute. Texas A&M University
• Abstract:
  During the course of Research Study 2-9-80-285 "Asphalt Concrete Mixture Design and Specification," it was desired to address two questions concerning sieve analysis of hot-mix asphaltic concrete aggregates which are often raised by personnel of the Texas State Department of Highways and Public Transportation (SDHPT). These questions are as follows: 1. Would the use of wet sieving (with its associated additional effort) to replace or supplement dry sieving be justified, based on the additional knowledge gained and problems alleviated, for the design and production monitoring of hot mixes? 2. Would the use of concrete sieves in place of hot-mix sieves for hot-mix design and production monitoring be justified based on the additional knowledge gained and the unified use of the same sieve sizes for both concrete and hot-mix testing? In an effort to answer these questions, a minimum of 10 dry, wet and extraction sieve analyses were accomplished on 10 different produced hot-mixes for the SDHPT during the summer of 1982. In all, four hot-mixes were sampled from four weigh-batch plants, and six were sampled from four drum-dryer plants. The predominant type of hot-mix sampled was SDHPT Item 340 Type 11D11 Most of the aggre-combinations had limestone coarse aggregates and siliceous field sand fine aggregates, although one mixture consisted entirely of crushed gravel and another entirely of pit run iron ore.
• Format:
  PDF
• Funding:
  2-9-80-285
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:3e6e5562a9ffe8ac7df9a76360ee930e37ad31896eb7fa780280a0bb52b57b9e0a846578f68c0127fce6a6eeda3dcaae6d669e904ff67626ab810b6e782a8370
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/85801/dot_85801_DS1.pdf
• File Type:
  [PDF - 2.67 MB ]