Type of Document	Master's Thesis
Author	Scholz, Donald P.
URN	etd-12162004-152239
Title	Performance Criteria Recommendations for Mortars Used in Full-Depth Precast Concrete Bridge Deck Panel Systems
Degree	Master of Science
Department	Civil Engineering
Advisory Committee	Advisor Name Title Roberts-Wollmann, Carin L. Committee Chair Cousins, Thomas E. Committee Member Davis, Rodney T. Committee Member
Keywords	Mortar Performance Criteria Bridge Deck Precast Panels Grout
Date of Defense	2004-12-09
Availability	unrestricted
Abstract The use of full-depth precast concrete bridge deck panels is becoming more and more attractive to transportation authorities throughout the country. In comparison to conventional cast-in-place decks, precast decks are of higher quality, allow for the bridge to be opened to traffic in less time and are easier to maintain, rehabilitate, and replace. This ultimately results in lower costs for transportation authorities and less disruption for the motoring public. Unfortunately, the use of precast deck panel systems is hindered by the lack of design standardization and information regarding the performance of such systems. This research focuses on a key element of the system, the mortar or grout, which is used to connect the precast panels to the bridge girders by filling the space in the horizontal shear pockets and the haunches. Several essential mortar characteristics were identified and investigated in order to create a specification that indicates required performance criteria for mortars. This specification can be used to determine whether particular mortars or grouts are suitable for use in a full-depth precast concrete bridge deck panel system.
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