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University of Arkansas, Fayetteville
Applied sciences; Concrete cracking; Internal curing; Lightweight aggregates; Shrinkage
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Mitigating Shrinkage Cracking Of Concrete In Bridge Decks Through Internal Curing, Daniel Robert Goad
Mitigating Shrinkage Cracking Of Concrete In Bridge Decks Through Internal Curing, Daniel Robert Goad
Graduate Theses and Dissertations
As the need for durable, long lasting infrastructure increases, new methods and techniques are being explored to prolong the service life of roads and bridges. One method to reduce shrinkage and early age cracking in concrete is internal curing. Internal curing supplies water to concrete, using pre-wetted lightweight aggregate (LWA), as needed throughout the process of hydration to reduce self desiccation, which leads to cracking. This research project analyzed two types of coarse LWA, expanded clay and expanded shale. The mixtures were developed specifically for use in bridge decks and adhered to specifications of the Arkansas State Highway and Transportation …