A workability test for slip formed concrete pavements

•A novel workability test was developed for slip formed pavements.•A procedure was developed to compare the workability of mixtures using the test.•Validations and repeatability data is presented.•The procedure was used to show gradation impacts on the workability of a concrete mixture. Evaluating t...

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Bibliographic Details
Published in:Construction & building materials 2014-10, Vol.68, p.376-383
Main Authors: Cook, Marllon Daniel, Ley, M. Tyler, Ghaeezadah, Ashkan
Format: Article
Language:English
Subjects:
Analysis
Concrete
Concrete mixture design
Concrete pavements
Mixing
Pavements, Concrete
Slip formed pavements
Testing
Vibration
Vibration of concrete
Workability
Workability test
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Summary:•A novel workability test was developed for slip formed pavements.•A procedure was developed to compare the workability of mixtures using the test.•Validations and repeatability data is presented.•The procedure was used to show gradation impacts on the workability of a concrete mixture. Evaluating the workability of concrete pavements prior to paving can be challenging. In this paper a novel test was developed using a simplistic and economic approach to measure the response of the concrete to vibration and the ability of the concrete to hold an edge. The variability of the test was evaluated and two comparisons were made to slip formed pavers. Also, a procedure was developed using the test for comparing the workability performance of different mixtures. The procedure was used to briefly investigate the impacts of aggregate gradation on the workability of slip formed paving mixtures.
ISSN:0950-0618
DOI:10.1016/j.conbuildmat.2014.06.087