Marshall Mix Designer
Analyse a compacted asphalt specimen by the Marshall method. Enter the asphalt content and specific gravities — the app finds Gse, air voids Va, VMA, VFA, absorbed & effective asphalt, unit weight, and checks them against typical criteria, with the working shown.
① Asphalt content & specific gravities
Pb is the binder as a percent of the total mixture mass. The aggregate fraction Ps = 100 − Pb is computed for you.
② Bulk specific gravity of the specimen (Gmb)
Gmb = dry ÷ (SSD − in-water).
③ Theoretical maximum specific gravity (Gmm)
Gmm will be computed from Gse, Pb and Gb.
④ Marshall stability & criteria (optional)
Stability and flow are machine readings — enter the volume-corrected values from your lab if you want the pass/fail check. Criteria shown are typical medium-traffic values; follow your project specification.
📋 Volumetric results
Worked solution
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