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Job Mix Formula The end result of a successful mix design is a recommended mixture of aggregate and asphalt binder This recommended mixture which also includes aggregate gradation and asphalt binder type is often referred to as the job mix formula JMF or recipe For HMA manufacturing target values of gradation and asphalt binder content are
Get PriceSep 29 2016 · What is Job Mix Formula Category Highway Engineering Asphalt is basically combination of bitumen and aggregate the surface of aggregates are applied with bitumen and then bitumen acts as a binding agent that makes it a solid and firm material called asphaltic concrete
Get PriceAggregate Type Source Name MDOT Source No MDOT Series Class Specific Gravity Bulk Dry Specific Gravity Bulk SSD optional Absorption Unit Weight Dry Rodded DR or Unit Weight Dry Loose DL Percent Crushed MDOT FreezeThaw FT Dilation Specific Gravity Bulk Dry of FT Sample Date of MDOT FreezeThaw Report
Get PriceQuick enough to be used in such mix design The aggregate gradation area is calculated from graph by using trapezoidal rule in excel sheet gradation area is more that area is having more air voids Gradation aims at reducing the void space thus improving the performance of the mix Key Words Job Mix Formula Optimization Excel Solver
Get PriceA complete HMA mixture design is required for each aggregate source combination differing aggregate gradations differing RAP percentages and a separate job mix formula JMF for each plant using the same aggregate at a site having multiple plants When a Warm Mix Asphalt WMA technology is utilized for the production of
Get PriceThe Job Mix Formula JMF is the combined aggregate particle size distribution and total bitumen content that falls within the SME and produces a mix that complies with the volumetric and mechanical criteria specified in Section 5 38 Voids in the Mineral Aggregate
Get PriceII shall consist of gravel stone or slag screening fine aggregate and crushed coarse aggregate sandclaygravel mixtures crushed hydraulic cement concrete or any combination of these materials with or without soil mortar or other admixtures Aggregate base materials Type I or II may be used in a stabilized or unstabilized form c Crushed Hydraulic Cement Concrete shall not be used as Subbase or aggregate
Get PriceType in inches and feet of your project and calculate the estimated amount of Recycled Materials in cubic yards cubic feet and Tons that your need for your project The Density of 2 Minus Road base RCA 2410 lbyd³ or 121 tyd³ or 08 yd³t
Get PriceYes It Is a Formula but There Is No Need to Fear It Use this formula to determine how much crushed stone you will need for your project In the construction world most materials are measured in cubic yards Multiply the length L in feet by the width W in feet by the height H in feet and divide by 27
Get PriceEstimation of the space area by applying the area formula width length 2 Estimation of the space volume by applying the volume formula width lengthdepth 3 Estimation of the total gravel mass needed either in tons or kilograms by transforming the volume as follows Metric tons 1 cubic feet
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