Illinois · answered by Verika · verified against sources
What slump is allowed for structural concrete on Illinois highway projects?
"Edge slump of the concrete pavement, exclusive of edge rounding, may vary up to 1/2 in. (13 mm) at locations where no additional concrete work is to be constructed immediately adjacent to the pavement being placed." [1] "Edge slump of the concrete pavement of 1/4 in. (6 mm) or less shall be allowed at locations where additional concrete work (widening, ramps, additional lanes, shoulders, curb and gutter, etc.) is to be constructed immediately adjacent to the pavement being placed." [1]
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