1. (a) The following results are obtained using sieve analysis on fine and coarse aggregates. Plot the grading curves and determine the fineness modulus for these aggregates. [Ans: FMc = 6.90; FMf = 2.59] Coarse Aggregate Fine Aggregate Sieve Size Wt. Retained (g) Sieve Size Wt. Retained (gm) (mm) (mm) 19.0 100 4.75 10 9.5 700 2.36 30 4.75 200 1.18 30 0.60 60 0.30 110 0.15 51 Pan 10 (b) If the fine and coarse aggregates are combined at 2 : 3 ratio (i.e. 40% fine aggregate and 60% coarse aggregate), plot the grading curve of the combined aggregate, on the earlier plot

1. (a) The following results are obtained using sieve analysis on fine and coarse aggregates. Plot the grading curves and determine the fineness modulus for these aggregates. [Ans: FMc = 6.90; FMf = 2.59] Coarse Aggregate Fine Aggregate Sieve Size Wt. Retained (g) Sieve Size Wt. Retained (gm) (mm) (mm) 19.0 100 4.75 10 9.5 700 2.36 30 4.75 200 1.18 30 0.60 60 0.30 110 0.15 51 Pan 10 (b) If the fine and coarse aggregates are combined at 2 : 3 ratio (i.e. 40% fine aggregate and 60% coarse aggregate), plot the grading curve of the combined aggregate, on the earlier plot

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Soil Deposits-origin, Grain-size, And Shape

Section: Chapter Questions

Problem 2.15CTP: In concrete work, Fuller and Thompson (1907) suggested that a dense packing of grains can be...

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