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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

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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
Transcribed Image Text: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
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