Chemical Subgrade Stabilization of Tennessee Soils – Recommended Practices

Details

• Creators:
  VandenBerge, Daniel R ; Mohr, Benjamin J ; Chakraborty, Shushanta ; Asamany, Henry
• Corporate Creators:
  Tennessee Technological University
• Corporate Contributors:
  Tennessee. Department of Transportation ; United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  • Subgrade (Pavements)
  • Chemicals
  • Soil stabilization
  • Best practices
  • Calcium oxide
  • State of the practice
  • Materials tests
  • Laboratory tests
  • Cement
  • Soils by properties
  More +
• Publication/ Report Number:
  RES2023-13
• Resource Type:
  Tech Report
• Geographical Coverage:
  Tennessee ; United States
• Edition:
  Final Report
• Corporate Publisher:
  Tennessee. Department of Transportation
• Abstract:
  This report summarizes the state-of-practice in the evaluation, design, and implementation of chemical subgrade stabilization. Four Tennessee soils (two A-6 and two A-7-6) were obtained and mix designs were prepared to provide examples of the testing required for chemical stabilization. The stabilized soils met the design unconfined strength criteria of 100 psi using 3 to 5% Type IL cement. In addition, a testing manual was developed for the laboratory and field testing of chemically stabilized subgrade. Concise fact sheets were compiled for the major surficial AASHTO soil types in TN that provide typical treated and untreated soil properties. The fact sheets also graphically depict the extent of the various soil types within Tennessee. Finally, the chemical subgrade treatment specification was revised to reflect the state of practice.
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/77852/dot_77852_DS1.pdf
• File Type:
  [PDF - 2.34 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:f629667c9b62790b9f904609b8c7b1bd513360e76a65bd361f3855a53e7ecddf7eb8fe19f0387e0731bac3853e35dea829a2307ba8c48140d57638fb4cff4116