Develop a new testing and evaluation protocol to assess flexbase performance using strength of soil binder.

Details

• Creators:
  Jayawickrama, Priyantha W. ‡q (Priyantha Warnasuriya), 1957- ; Merrick, Michael E. ; Senadheera, Sanjaya Priyantha, 1959-
• Corporate Creators:
  Texas Tech University. College of Engineering ; United States. Federal Highway Administration ; Texas. Dept. of Transportation. Research and Technology Implementation Office
• Subject/TRT Terms:
  • Soil stabilization
  • Soil stabilization
  • Roads--Base courses
  • Pavements--Subgrades
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States
• Corporate Publisher:
  Texas Department of Transportation. Research and Technology Implementation Office
• Abstract:
  This research involved a detailed laboratory study of a new test method for evaluating road base materials based on ; the strength of the soil binder. In this test method, small test specimens (5.0in length and 0.75in square cross ; section) of binder material are load tested to obtain a flexural strength value. The laboratory study conducted in ; this research included material collected from 19 different sources. The results from the study demonstrated that ; good correlation can be established between the binder strength and 0-psi Texas Triaxial strength for certain types ; of base materials such as crushed limestone and materials treated with cement or flyash. However, the test method ; could not be used to measure the flexural strengths of many sand and gravel materials because these materials did ; not produce consistent data. The data obtained from repeatability analyses provided an average Coefficient of ; Variation (COV) of 12.6% for the base binder flexometer test and a COV of 23.2% for the 0-psi Texas Triaxial ; Test. The research effort also included the design and fabrication of a low cost, easy-to-operate prototype test ; device for the measurement of binder flexural strength. The reliability of the test equipment was verified by ; running parallel tests using another commercially available loading device
  More +
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/16850/dot_16850_DS1.pdf
• File Type:
  [PDF - 4.37 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:8efae07ed7796c6794908f0c1e84bffae813b6f09a0891d5bc3e09b51da84cb5fa347fb4984958269f8b5d7c361d59df9eb1ce991bfbcdf1b397f7a9b83e1ef9