• Calculate mix proportions for following conditions: Characteristic compressive strength (fc), 25 N/mm2 at 28 days • Ordinary Portland cement. • Slump required, 30–60 mm • Maximum aggregate size, 40 mm (fine and coarse uncrushed) • Maximum free-water/cement ratio, 0.50 • Minimum cement content, 290 kg/m3 • KxS= 10 Mpa • Aggregate relative density = 2.5 Fine aggregate, 90% passing a 600µm sieve
• Calculate mix proportions for following conditions: Characteristic compressive strength (fc), 25 N/mm2 at 28 days • Ordinary Portland cement. • Slump required, 30–60 mm • Maximum aggregate size, 40 mm (fine and coarse uncrushed) • Maximum free-water/cement ratio, 0.50 • Minimum cement content, 290 kg/m3 • KxS= 10 Mpa • Aggregate relative density = 2.5 Fine aggregate, 90% passing a 600µm sieve
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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