The following table represents a concrete mixture that has not been completely proportioned. The values given are the theoretical mixture proportions (oven dry basis). Material properties are also provided. Please answer the question at the end of the information given. Theoretical Mixture Proportions (oven dry basis) Water 265 lb/yd³ Cement 675 lb/yd³ Air 6.00 % Coarse Aggregate 1816 Ib/yd³ ASTM C 150 Type I Cement: Specific Gravity: 3.15 Coarse Aggregate: Well-graded 3/4 in. NMSA rounded gravel Oven-dry specific gravity: 2.63 Absorption: 1.10% Moisture content of stockpile: 3.10 % Oven-dry bulk density: 101.5 Ib/ft³ Fine Aggregate: Natural Sand Oven-dry specific gravity: 2.60 Absorption: 3.20% Moisture content of fine stockpile: 3.50 % Fineness Modulus: 2.80 What is the quantity in Ib/yd³ of coarse aggregate to batch for this mixture given its current stockpiled moisture content? Round to the nearest whole number and do not include units when entering your answer.

The following table represents a concrete mixture that has not been completely proportioned. The values given are the theoretical mixture proportions (oven dry basis). Material properties are also provided. Please answer the question at the end of the information given. Theoretical Mixture Proportions (oven dry basis) Water 265 lb/yd³ Cement 675 lb/yd³ Air 6.00 % Coarse Aggregate 1816 Ib/yd³ ASTM C 150 Type I Cement: Specific Gravity: 3.15 Coarse Aggregate: Well-graded 3/4 in. NMSA rounded gravel Oven-dry specific gravity: 2.63 Absorption: 1.10% Moisture content of stockpile: 3.10 % Oven-dry bulk density: 101.5 Ib/ft³ Fine Aggregate: Natural Sand Oven-dry specific gravity: 2.60 Absorption: 3.20% Moisture content of fine stockpile: 3.50 % Fineness Modulus: 2.80 What is the quantity in Ib/yd³ of coarse aggregate to batch for this mixture given its current stockpiled moisture content? Round to the nearest whole number and do not include units when entering your answer.

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

The following table represents a concrete mixture that has not been completely proportioned. The values given are the theoretical mixture proportions (oven
dry basis). Material properties are also provided. Please answer the question at the end of the information given.
Theoretical Mixture Proportions (oven dry basis)
Water
265 lb/yd3
Cement
675 lb/yd3
Air
6.00 %
Coarse Aggregate
1816 Ib/yd3
ASTM C 150 Type I Cement: Specific Gravity: 3.15
Coarse Aggregate:
Well-graded 3/4 in. NMSA rounded gravel
Oven-dry specific gravity: 2.63
Absorption: 1.10%
Moisture content of stockpile: 3.10 %
Oven-dry bulk density: 101.5 lb/ft³
Fine Aggregate:
Natural Sand
Oven-dry specific gravity: 2.60
Absorption: 3.20%
Moisture content of fine stockpile: 3.50 %
Fineness Modulus: 2.80
What is the quantity in Ib/yd3 of coarse aggregate to batch for this mixture given its current stockpiled moisture content? Round to the nearest whole
number and do not include units when entering your answer.

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Note:hand written solution should be avoided.
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