Pennsylvania · answered by Verika · verified against sources
What slump is allowed for structural concrete on Pennsylvania highway projects?
For structural concrete on Pennsylvania highway projects, the slump upper limit must not exceed 8 inches for traditional non-self-consolidating mixtures with superplasticizers [1]. Maintain consistency within 1.5 inches of the selected slump value [1].
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Verika provides information with citations to help you find and understand the rules that apply to your work. It is not a substitute for professional engineering or legal judgment. Answer generated 2026-08-28; always confirm against the cited source for your project.