2.9.2 Given are sieve analysis results for materials to be blended for AC 14 mix along with the required grading. i. Fin

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2 9 2 Given Are Sieve Analysis Results For Materials To Be Blended For Ac 14 Mix Along With The Required Grading I Fin 1 (177.99 KiB) Viewed 12 times

2.9.2 Given are sieve analysis results for materials to be blended for AC 14 mix along with the required grading. i. Find the correct proportion for each aggregate stockpile to meet the required grading for the proposed AC 14 mix. Calculate the specific gravity of the blended aggregates. ii. Material Percent Passing, % BS Sieve 20.0 mm 14.0 mm 10.0 mm 5.0 mm 3.35 mm 1.18 mm 425 um 150 um 75 um 100 90 80 70 60 50 40 30 20 10 0 0.01 AC 14 100 90 - 100 76-86 50 - 62 40-54 18-34 12-24 6-14 4-8 0.10 Stockpile A SG = 2.565 100 92.6 48.8 22.9 2.9 1.7 0 0 0 Stockpile B SG = 2.654 % passing 100 100 98.2 45.4 30.4 12 6.7 2.3 0 1.00 Sieve Size, mm Stockpile C SG = 2.714 100 100 100 93.4 76.8 51.2 29.4 13.7 4.5 10.00 Stockpile D SG = 3.200 100 100 100 100 100 100 100 98.4 88.9 100.00