Journal Published Online: 29 December 2016
Volume 5, Issue 2

Advances in Civil Engineering Materials Individual Paper

CODEN: ACEMF9

Abstract

The design of concrete mixtures that are durable when exposed to deicing salts or temperature cycles that result in freezing and thawing is a critical issue. While this topic of freeze-thaw in concrete is not new, the way that concrete mixtures are being designed for these effects is rapidly advancing. The work described in this special issue is a fresh look at the topic of freezing and thawing from five perspectives. The first papers by Mayercsik et al. and Tanesi et al. deal with the the development and assessment of measurement techniques to quantify the air void systems for fresh concrete using the super air meter and hardened concrete by comparing two dimensional scans with three dimensional results from tomography. The paper by Cannon et al. evaluates the effectiveness of different surfactants on the air void system that is created. These results provide insight on both new methods for producing the air void system as well as evaluating the system rapidly. The second topic deals with the assessment of testing procedures that evaluate current test methods for concrete scaling. The papers by Hooton and Vassilev and Yi and Thomas each provide insightful suggestions on how test procedures can be developed to improve the testing and better relate the results to field observations. Driscoll and Hover provide an interesting and informative look at methods to measure a concrete's resistance to popouts. Obla et al. discuss the development of new criteria that can be used for identifying freeze-thaw resistant concrete. Monical et al. discuss the development of a new testing procedure to assess a pastes susceptibility to a reaction between certain deicing chemicals and the cementitious matrix. Hasholt et al. discuss the use of an emerging new material, super absorbent polymers, and reports on the benefits that these materials may have in improving the freeze-thaw resistance of concrete.

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Pages: 5
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Stock #: ACEM05022016FM
ISSN: 2165-3984
DOI: 10.1520/ACEM05022016FM