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Laboratory specific gravity and absorption tests are run on two coarse aggre- gate sizes, which have to be blended. The results are as follows: Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8% Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6% a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight? b. What is the absorption of the mixture? TABLE P5.32 Aggregate A D Blend Blend 20% 15% 25% 40% Sieve Size, mm Percent Passing 37.5 100 100 100 100 25 100 100 100 100 19 95 100 100 100 12.5 89 100 100 100 9.5 50 85 100 100 4.75 10 55 100 100 2.36 2 15 88 98 1.18 2. 5 55 45 0.6 2 3 35 34 0.3 2 2 22 25 0.15 2 15 14 0.075 2 1 6 5

Laboratory specific gravity and absorption tests are run on two coarse aggre- gate sizes, which have to be blended. The results are as follows: Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8% Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6% a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight? b. What is the absorption of the mixture? TABLE P5.32 Aggregate A D Blend Blend 20% 15% 25% 40% Sieve Size, mm Percent Passing 37.5 100 100 100 100 25 100 100 100 100 19 95 100 100 100 12.5 89 100 100 100 9.5 50 85 100 100 4.75 10 55 100 100 2.36 2 15 88 98 1.18 2. 5 55 45 0.6 2 3 35 34 0.3 2 2 22 25 0.15 2 15 14 0.075 2 1 6 5

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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Laboratory specific gravity and absorption tests are run on two coarse aggre- gate sizes, which have to be blended. The results are as follows: Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8% Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6% a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight? b. What is the absorption of the mixture? TABLE P5.32 Aggregate A D Blend Blend 20% 15% 25% 40% Sieve Size, mm Percent Passing 37.5 100 100 100 100 25 100 100 100 100 19 95 100 100 100 12.5 89 100 100 100 9.5 50 85 100 100 4.75 10 55 100 100 2.36 2 15 88 98 1.18 2. 5 55 45 0.6 2 3 35 34 0.3 2 2 22 25 0.15 2 15 14 0.075 2 1 6 5
Transcribed Image Text:Laboratory specific gravity and absorption tests are run on two coarse aggre- gate sizes, which have to be blended. The results are as follows: Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8% Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6% a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight? b. What is the absorption of the mixture? TABLE P5.32 Aggregate A D Blend Blend 20% 15% 25% 40% Sieve Size, mm Percent Passing 37.5 100 100 100 100 25 100 100 100 100 19 95 100 100 100 12.5 89 100 100 100 9.5 50 85 100 100 4.75 10 55 100 100 2.36 2 15 88 98 1.18 2. 5 55 45 0.6 2 3 35 34 0.3 2 2 22 25 0.15 2 15 14 0.075 2 1 6 5
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