2272 - Performance of Moisture Barriers to Enhance Pavement Performance Over Swelling Soils
The Oklahoma Department of Transportation has invested significant amounts of money on several projects to construct low-permeability barriers to prevent moisture changes in swelling soils beneath pavements. However, there has been relatively little post-construction monitoring of these sites to assess the performance and cost-effectiveness of the moisture barriers and associated pavements. Given the high material cost and additional construction cost associated with installing moisture barriers, there is a need to assess performance relative to reductions in moisture infiltration into swelling subgrades. Given the current state-of-the-art knowledge in this field, there is a need for laboratory soil testing, field monitoring, and numerical modeling of the problem. This research will assess the performance of moisture barriers, determine whether these are cost-effective solutions for pavement design over swelling soils, and develop recommendations for enhancing the design of moisture barriers.
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Supplemental Notes:
- An award for year two of this study has not been approved.
Language
- English
Project
- Status: Completed
- Funding: $98895
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Contract Numbers:
SPR 2272
SPRY-0010(073)RS
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Sponsor Organizations:
Oklahoma Department of Transportation
200 NE 21st Street
Oklahoma City, OK United States 73105 -
Project Managers:
Clarke, Christopher
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Performing Organizations:
Oklahoma State University, Stillwater
School of Civil & Environmental Engineering
207 Engineering South
Stillwater, OK United States 74078 -
Principal Investigators:
Bulut, Rifat
- Start Date: 20171001
- Expected Completion Date: 20180930
- Actual Completion Date: 20190930
Subject/Index Terms
- TRT Terms: Moisture barriers; Pavement design; Pavement performance; Swelling soils
- Subject Areas: Geotechnology; Highways; Materials; Pavements;
Filing Info
- Accession Number: 01578486
- Record Type: Research project
- Source Agency: Oklahoma Department of Transportation
- Contract Numbers: SPR 2272, SPRY-0010(073)RS
- Files: RiP, STATEDOT
- Created Date: Oct 22 2015 1:45PM