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Implementation And Field Testing Of Improved Bridge Parapet Designs, Amy E. Kalabon
Implementation And Field Testing Of Improved Bridge Parapet Designs, Amy E. Kalabon
ETD Archive
Premature cracking of concrete bridge parapets is a potentially complex problem, with a number of possible causes. Identifying the cause of premature cracking, and avoiding this problem in the future has several benefits, including: a potential cost savings for the district, improving the safety of these structures in future construction, and increasing the overall understanding of parapets. The objective of this study was to analyze the reasons for uncontrolled cracking in order to establish an improved parapet design, and provide recommendations to the Ohio Transportation (ODOT) to prevent such cracking in the future. Previous research carried out a forensic investigation …
Analysis Of Uncontrolled Concrete Bridge Parapet Cracking, Jeffrey D. Bazzo
Analysis Of Uncontrolled Concrete Bridge Parapet Cracking, Jeffrey D. Bazzo
ETD Archive
The Ohio Transportation has recently identified the problem of wide-spread premature cracking of concrete bridge parapets throughout its District 12 region (Northeast Ohio). Many of the bridge decks that contain these prematurely cracked parapets are of relatively recent construction. In severe cases, replacement of the parapet may be required before replacement of the bridge deck itself. This incurs a sunk cost upon the bridge owner, as the parapets will again be replaced during the regularly scheduled replacement of the bridge deck. In a recent instance, the replacement of a cracked parapet (without replacing the deck) cost District 12 approximately $140,000. …