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You are working on a concrete mix design that requires each cubic yard of concrete to have a 0.43 water-cement ratio, 2077 lb/yd3 of dry gravel 244 lb/yd3 of water, and 4% air content. The available gravel has a specific gravity of Ggravel = 2.6, moisture content of 2.3% and absorption of 4.5%. The available sand has a specific gravity of Gsand = 2.4, a moisture content of 2 2% and absorption of 17% Air entrainer is to be

You are working on a concrete mix design that requires each cubic yard of concrete to have a 0.43 water-cement ratio, 2077 lb/yd3 of dry gravel 244 lb/yd3 of water, and 4% air content. The available gravel has a specific gravity of Ggravel = 2.6, moisture content of 2.3% and absorption of 4.5%. The available sand has a specific gravity of Gsand = 2.4, a moisture content of 2 2% and absorption of 17% Air entrainer is to be

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Concrete

You are working on a concrete mix design that requires each cubic yard of concrete to have a 0.43 water-cement ratio, 2077 lb/yd3 of dry gravel 244 lb/yd3 of water, and 4% air content. The available gravel has a specific gravity of Ggravel = 2.6, moisture content of 2.3% and absorption of 4.5%. The available sand has a specific gravity of Gsand = 2.4, a moisture content of 2.2% and absorption of 1.7%. Air entrainer is to be included using the manufacturers specification of 0.1 fl. oz / 1% air / 100 lb cement. For each cubic yard of concrete needed on the job, calculate the weight of cement, moist gravel, moist sand, and water that should be added to the batch. Summarize and total the mix design when finished.
Transcribed Image Text:You are working on a concrete mix design that requires each cubic yard of concrete to have a 0.43 water-cement ratio, 2077 lb/yd3 of dry gravel 244 lb/yd3 of water, and 4% air content. The available gravel has a specific gravity of Ggravel = 2.6, moisture content of 2.3% and absorption of 4.5%. The available sand has a specific gravity of Gsand = 2.4, a moisture content of 2.2% and absorption of 1.7%. Air entrainer is to be included using the manufacturers specification of 0.1 fl. oz / 1% air / 100 lb cement. For each cubic yard of concrete needed on the job, calculate the weight of cement, moist gravel, moist sand, and water that should be added to the batch. Summarize and total the mix design when finished.
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