Tennessee · answered by Verika · verified against sources
What slump is allowed for structural concrete on Tennessee highway projects?
For structural concrete on Tennessee highway projects, slump shall be 0 to 3 inches for slip-formed concrete (e.g., parapets, median barriers) [6]. For Class P concrete (e.g., bridge decks), slump shall be 0 to 8 inches (or up to 10 inches if water/cement ratio ≤ 0.35) [4]. Adjustments for admixtures (e.g., high-range water reducers) may extend slump to 10 inches [4].
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