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Resin Modified Pavement Demonstration Project.pdf

Resin Modified Pavement Demonstration Project.pdf

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MISSISSIPPI DEPARTMENT OF TRANSPORTATIONDATE: 01/06/01SUBJECT:Thin Portland Cement Concrete <strong>Pavement</strong> (Whitetopping)PROJECT: <strong>Resin</strong> <strong>Modified</strong> <strong>Pavement</strong> <strong>Demonstration</strong> <strong>Project</strong> ~ Corinth, MSDescription. This work shall consist of the construction of portland cement concretepavement in accordance with Section 501 of the 1990 Edition of the Mississippi StandardSpecifications for Road and Bridge Construction, except as modified herein.Materials. Materials shall meet the requirements of the Division 700 and the followingsubsections:MaterialStandard Specification ReferencePortland Cement 701.01 and 701.02Admixtures 713.02Fly Ash 714.05Water 714.01Fine Aggregate 703.01 and 703.02Coarse Aggregate 703.01 and 703.03Curing Materials 713.01Fibers used shall be Fibrillated Polypropylene fibers. Fibrillated Polypropylene fibersshall be added at a rate of 3.0 lbs/yd 3 .Concrete slump shall not exceed 4 inches. An approved type F or G admixture shall beused. Admixtures shall be incorporated into the concrete in accordance with themanufacturer’s recommendations, subject to approval by the Engineer.Fly Ash may be substituted for cement at a maximum rate of 20% by weight and shall beincluded with the cement when determining the water/cement ratio, i.e. thewater/cementitious material ratio. Ground Granulated Blast-Furnace Slag (GGBFS) maybe substituted for cement at a maximum rate of 50% by weight and shall be included withthe cement when determining the water/cement ratio, i.e. the water/cementitious materialratio. Any GGBFS incorporated into the cement shall conform to the requirements ofSpecial Provision 907-714.Proportioning. The Ready-Mix Concrete Producer shall furnish the mix design.Concrete used in this application shall meet the following compressive strengthrequirement. The mix shall be designed to achieve a minimum compressive strength of2500 psi within 24 hours (field cured) after placement. The mix shall develop aminimum compressive strength of 3500 psi 14 days (standard cured) after placement.Verification of Mix Design. The Ready-Mix Concrete Producer shall furnish theEngineer with the required documentation indicating proper verification of the mixD-1

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