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Control of Early Age Shrinkage Cracking in Reinforced Concrete Bridge Decks

Abstract Details

2017, Master of Science in Engineering, University of Akron, Civil Engineering.
Early-age shrinkage cracking is commonly observed in many concrete bridge decks in the state of Ohio and elsewhere around the United States. Cracking increases the effects of freeze-thaw damage, spalling, and corrosion of steel reinforcement, thus resulting in premature deterioration and structural deficiency of the bridges. In this study, some of the main causes of the early-age cracking in the decks are identified, and several concrete mix design proportions were developed and evaluated in order to prevent or minimize the shrinkage cracking. Different admixtures (SRAs and CRAs) as well as polypropylene fibers were considered and the effects of these materials were evaluated. A series of concrete shrinkage, mechanical property and freeze-thaw tests were performed. The outcomes of this study identify optimum materials to be used in concrete mixes as appropriate mitigation strategies in order to reduce or eliminate early-age shrinkage cracking and thus help minimize shrinkage-associated cracking in concrete bridge decks, potentially leading to overall reduction in bridge deck maintenance costs.
Anil K Patnaik (Advisor)
Craig C Menzemer (Committee Member)
Ping Yi (Committee Member)
109 p.

Recommended Citations

Citations

  • Essili, M. (2017). Control of Early Age Shrinkage Cracking in Reinforced Concrete Bridge Decks [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1502447504502314

    APA Style (7th edition)

  • Essili, Mohamed. Control of Early Age Shrinkage Cracking in Reinforced Concrete Bridge Decks. 2017. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1502447504502314.

    MLA Style (8th edition)

  • Essili, Mohamed. "Control of Early Age Shrinkage Cracking in Reinforced Concrete Bridge Decks." Master's thesis, University of Akron, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1502447504502314

    Chicago Manual of Style (17th edition)