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Forensic Investigation of Prestressed Concrete Box Beams from LIC-310 Bridge

Gulistani, Aziz A.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1260381612

Abstract Details

2010, Master of Science (MS), Ohio University, Civil Engineering (Engineering and Technology).
The LIC-310 prestressed adjacent box-beam bridge was removed on July 2007 after 27 years of services because of serious corrosion, cracking, and spalling of its beams observed during its inspections. A number of its beams were examined through visual inspection and the forensic investigation. The investigation revealed that the amount of chloride at different locations of the tested beams was greater than the threshold level. The compressive strength of concrete obtained by both destructive and nondestructive methods exceeded the minimum required concrete compressive strength of 5500 psi. Furthermore, the tensile capacity of prestressing strands was much lower than the requirements for all but one beam. Further investigation after cutting the beams revealed the existence of further corrosion, cracking, and spalling in the beams. Besides, strand cover, surface, and overall conditions of the beams detected by GPR were closely comparable to other destructive and nondestructive findings. Also, it was learned that the beams were built close to specifications. Finally, it was discovered that corrosion reduced the capacity of Beams 4, 15, and 18 as much as 34%, 41%, and 59%, respectively.
Eric Steinberg (Committee Chair)
Shad Sargand (Committee Member)
Ken Walsh (Committee Member)
Xiaoping Shen (Committee Member)
158 p.
Civil Engineering
Prestressed concrete; chloride; forensic investigation; strands; box-beams

Recommended Citations

Citations

  • Gulistani, A. A. (2010). Forensic Investigation of Prestressed Concrete Box Beams from LIC-310 Bridge [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1260381612

    APA Style (7th edition)

  • Gulistani, Aziz. Forensic Investigation of Prestressed Concrete Box Beams from LIC-310 Bridge. 2010. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1260381612.

    MLA Style (8th edition)

  • Gulistani, Aziz. "Forensic Investigation of Prestressed Concrete Box Beams from LIC-310 Bridge." Master's thesis, Ohio University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1260381612

    Chicago Manual of Style (17th edition)

ohiou1260381612
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© 2009, all rights reserved.
This open access ETD is published by Ohio University and OhioLINK.