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Full text release has been delayed at the author's request until June 01, 2025

ETD Abstract Container

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Performance of Shallow Cover Thermoplastic Pipes Subject to Temperature Change and Live Load Cycles

Jones, Billy Wayne, Jr.
http://orcid.org/0009-0000-0712-6245
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1713781738827647

Abstract Details

2024, Master of Science (MS), Ohio University, Civil Engineering (Engineering and Technology).
The production of newer, stronger plastic pipe profiles in recent decades has broadened their application range where concrete or steel materials once ruled. The cost advantages of thermoplastic pipes, due to lower installation and material costs, have seen their use increase in frequency. With increasing usage, concerns over the performance of these culverts have been expressed by various state Departments of Transportation, especially when subjecting plastic pipe profiles to increased temperatures. The purpose of this research is to assess the performance of five shallow cover thermoplastic pipes, during repeated load cycles, across a broad temperature range. Five thermoplastic pipes made of polypropylene or high-density polyethylene were buried and instrumented prior to being subject to 80,000 load cycles of an 11-kip dual tire load and sustained air temperatures between 35 to 102 degrees Fahrenheit. The pipe and soil embedment behavior were monitored frequently in the beginning of experiment, during significant temperature changes, and every 10,000 load cycles thereafter. Throughout testing pipes performed well and did not approach the failure criteria outlined by AASHTO LRFD or the manufacturer recommendations, despite not achieving the minimum cover requirement of 24 inches to the flexible pavement later. Results suggest that given proper installation, stout pipe profiles, and a thick asphalt layer; the current minimum cover requirements are not necessary to obtain adequate shallow cover pipe performance and prevent damage to an overlying asphalt layer.
Issam Khoury (Advisor)
Paul King (Committee Member)
Teruhisa Masada (Committee Member)
Shad Sargand (Committee Member)
205 p.
Civil Engineering
Plastics, Plastic, Pipe, Shallow, Cover, Asphalt, Roadway, Live, Load, Temperature, Change, Geotechnical

Recommended Citations

Citations

  • Jones, Jr., B. W. (2024). Performance of Shallow Cover Thermoplastic Pipes Subject to Temperature Change and Live Load Cycles [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1713781738827647

    APA Style (7th edition)

  • Jones, Jr., Billy. Performance of Shallow Cover Thermoplastic Pipes Subject to Temperature Change and Live Load Cycles. 2024. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1713781738827647.

    MLA Style (8th edition)

  • Jones, Jr., Billy. "Performance of Shallow Cover Thermoplastic Pipes Subject to Temperature Change and Live Load Cycles." Master's thesis, Ohio University, 2024. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1713781738827647

    Chicago Manual of Style (17th edition)

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© 2024, all rights reserved.
This open access ETD is published by Ohio University and OhioLINK.