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Abstract:There is an ongoing discussion about moving toward performance-based specifications for concrete pavements. This document seeks to
move the discussion forward by outlining the needs and the challenges, and proposing some immediate actions. However, this approach
may increase risk for all parties until performance requirements are agreed upon and, more importantly, how the requirements can be
measured.
A fundamental issue behind pavement construction activities is that the owner/designer needs to be assured that the concrete in place
will survive for the intended period (assuming there are no changes in the environment or loading) and, therefore, that full payment
should be made. At the same time, each party along the supply chain needs to be assured that the material being supplied to them is able
to meet the required performance, as is the product/system they are delivering.
The focus of this document is a discussion of the issues behind this need, and the technologies that are available, or still needed, to meet
this need, particularly from the point of view of potential durability.
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