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2) Laboratory specific gravity and absorption are run on two coarse aggregates, which are to be blended with 60% aggregate A and 40% aggregate B by weight: Aggregate A: Bulk dry specific gravity = 2.81; absorption = 0.4% Aggregate B: Bulk dry specific gravity = 2.44; absorption = 5.2 % a) What is the specific gravity of the blend? b) What is the absorption of the blend?

2) Laboratory specific gravity and absorption are run on two coarse aggregates, which are to be blended with 60% aggregate A and 40% aggregate B by weight: Aggregate A: Bulk dry specific gravity = 2.81; absorption = 0.4% Aggregate B: Bulk dry specific gravity = 2.44; absorption = 5.2 % a) What is the specific gravity of the blend? b) What is the absorption of the blend?

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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question 2 please, Pavement

1) Given the following results of sieve analysis of coarse aggregates: Weight Retained (lb) Sieve Size 2 in 112 in 1 in 5.2 18.1 3/4 in 14.8 1/2 in 16.3 3/8 in 25.0 No. 4 8.5 Pan 1.6 a) Calculate. Sieve Individual % retained | Cumulative % retained % Passing 2 in 112 in 1 in 3/4 in 1/2 in 3/8 in No. 4 Pan b) Plot the gradation curve on a 0.45 power gradation chart. c) What is the maximum size and nominal maximum size of the aggregates according to the Superpave criteria? 2) Laboratory specific gravity and absorption are run on two coarse aggregates, which are to be blended with 60% aggregate A and 40% aggregate B by weight: Aggregate A: Bulk dry specific gravity = 2.81; absorption = 0.4% Aggregate B: Bulk dry specific gravity = 2.44; absorption = 5.2 % %3D a) What is the specific gravity of the blend? b) What is the absorption of the blend?
Transcribed Image Text:1) Given the following results of sieve analysis of coarse aggregates: Weight Retained (lb) Sieve Size 2 in 112 in 1 in 5.2 18.1 3/4 in 14.8 1/2 in 16.3 3/8 in 25.0 No. 4 8.5 Pan 1.6 a) Calculate. Sieve Individual % retained | Cumulative % retained % Passing 2 in 112 in 1 in 3/4 in 1/2 in 3/8 in No. 4 Pan b) Plot the gradation curve on a 0.45 power gradation chart. c) What is the maximum size and nominal maximum size of the aggregates according to the Superpave criteria? 2) Laboratory specific gravity and absorption are run on two coarse aggregates, which are to be blended with 60% aggregate A and 40% aggregate B by weight: Aggregate A: Bulk dry specific gravity = 2.81; absorption = 0.4% Aggregate B: Bulk dry specific gravity = 2.44; absorption = 5.2 % %3D a) What is the specific gravity of the blend? b) What is the absorption of the blend?
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