Marshall mix design is used for:
AConcrete
BBITUMINOUS mixes (asphalt) for flexible pavements
CSoil
DSteel
Answer & Solution
Correct answer: B. BITUMINOUS mixes (asphalt) for flexible pavements
Marshall stability test (1948): standard for bituminous concrete mix design. Cylindrical specimens compacted, tested for stability + flow. Optimum binder content (OBC) selected from plots. Per MoRTH specs. Modern alternatives: Superpave (US, more performance-based).
Related questions
The Indian Standard for plain and reinforced concrete is:Slenderness ratio of column = Compressive strength of M40 concrete at 28 days:Sprinkler irrigation efficiency is typically:For a shallow foundation, the depth to width ratio (D_f/B) is typically:PCU (Passenger Car Unit) for a heavy commercial vehicle (HCV) on urban roads is typically:In limit state design (LSD), partial safety factor for concrete is:For y = sin x, dy/dx at x = π/2 is: