Aggregate Tests related to Performance of Portland Cement Concrete Pavement, final Report, April 15, 1998

(1998) Aggregate Tests related to Performance of Portland Cement Concrete Pavement, final Report, April 15, 1998. Transportation, Department of

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Abstract

The objective of this work is to provide a more efficient and accurate series of tests and techniques to assure, with good confidence, the selection of aggregates for concrete. An improved suite of tests and procedures should help to keep costs down while assuring quality. Cost saving should result if local materials can be used to the extent that performance is good. The challenge will be to identify the applications and environments where an aggregate will perform; and just as important where it will not perform. Techniques and methods will need to go beyond just the physical and mechanical tests that are normally used by civil engineers. Aggregates must also be evaluated by petrographic and chemical tests that will involve methods used by geologists, mineralogists, and physical chemists.