Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3145 — Mineral Filler
Minnesota 2025 Standard Specifications for Construction, Section 3145. Full text, cross-references and related pay items on BuildSpec.
3145 MINERAL FILLER 3145.1 SCOPE Provide mineral filler as a soil or mixture component. 3145.2 REQUIREMENTS A Composition Provide a mineral filler of Carbonate dust, Portland cement, hydrated lime, crushed rock screenings*, fly ash, or rotary kiln dust. * Crushed rock needs to have a stability and durability equivalent to those of the comparable mixture containing one of the other acceptable filler Materials and be free of clay and shale. B Gradation The mineral filler will be finer than a No. 4 Sieve and contain less than 25 percent of the Material passing a No. 200 Sieve. The portion…
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