Job mix formula6/10/2023 Air voids in compacted mixture,Va Formula: Va=Gmm-Gmb x 100 5.0%AC 5.5%AC 6.0%AC 6.5%AC 7.0%AC Bulk Specific gravity of compacted mixture,Gmb Formula: Gmb= VII.Test on Properties of Mix based on AOC using the graph(Graphical method)īulk, specific gravity= 2.499 Marshall stability,kg=1,275 Flow value,0.25mm=9.0 Air voids,%=3.45 Voids Filled with asphalt(VFA),%=75 Voids in mineral aggregates(VMA), %=13.55Ī. Asphalt Content % AC by weight of mix or Optimum Asphalt Content (OAC) Max. Temperature Controls Temperature of aggregates – 165 C Temperature of Asphalt – 110 C Temperature of Mix – 130 C Compaction temperature – 120 C IV.Specific Gravity of Materials Specific Gravity of Aggregates(Combined)=2.72 Specific Gravity of Asphalt=1.01 III.Grading of composite aggregates Aggregates size of aggregate (FA)=31 Mineral Filler (MF)=06 Blending Proportion of Aggregates.% ¾ max. Job-mix Formula Name of Project: Asphalt Overlay project along JP Rizal Makati City,km 292.7 to 592.5
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