(2461) STRUCTURAL CONCRETE - MnDOT

, precast concrete barriers, or precast concrete box culverts. Always use SP2018. 251 ((3105) BAGGED PORTLAND CEMENT CONCRETE PATCHING MIX GRADE 3U18 AND 3U18M) when using this write-up. Always use SP2018-252.1 ((3137) COARSE AGGREGATE FOR PORTLAND CEMENT CONCRETE) when using this write-up. This is a correction to the spec. book. REVISED . 01 ... ................
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