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Title:Bridge Decks: Mitigation of Cracking and Increased Durability
Author(s):Ardeshirilajimi, Ardavan; Wu, Di; Chaunsali, Piyush; Mondal, Paramita; Chen, Ying Tung; Rahman, Mohammad Mahfuzur; Ibrahim, Ahmed; Lindquist, Will; Hindi, Riyadh
Subject(s):lightweight aggregates
expansive cement
shrinkage cracking
Geographic Coverage:Illinois
Abstract:The application of pre-soaked lightweight aggregates (LWA) as an internal curing agent in concrete to reduce the cracking due to drying shrinkage is thoroughly studied in this report. It is determined that although LWA can significantly reduce autogenous shrinkage, its effect on drying shrinkage is minimal and in some cases it can even increase the drying shrinkage. Moreover, the combined effects of LWA and expansive cement (Type K) and LWA and shrinkage-reducing admixtures (SRAs) on drying shrinkage is also studied. It is shown that addition of Type K cement or SRA to mixtures containing LWA can significantly reduce drying shrinkage and make the mixture more volumetrically stable.
Issue Date:2016-06
Publisher:Illinois Center for Transportation/Illinois Department of Transportation
Citation Info:Ardeshirilajimi, Ardavan, Di Wu, Piyush Chaunsali, Paramita Mondal, Ying Tung Chen, Mohammad Mahfuzur Rahman, Ahmed Ibrahim, Will Lindquist, and Riyadh Hindi. 2016. Bridge Decks: Mitigation of Cracking and Increased Durability. A report of the findings of ICT-R27-139. Illinois Center for Transportation Series No. 16-018. Research Report No. FHWA-ICT-16-016. Illinois Center for Transportation, Rantoul, IL.
Series/Report:Illinois Center for Transportation Series No. 16-018; Research Report No. FHWA-ICT-16-016
Genre:Technical Report
Sponsor:Illinois Department of Transportation, R27-139
Rights Information:No restrictions. This document is available through the National Technical Information Service, Springfield, VA 22161
Date Available in IDEALS:2016-08-10

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