ou are working on a concrete mix design that requires each cubic meter of concrete to have 0.40 water–cement ratio, 1165 kg/m3 of dry gravel, 4% air content, and 335 kg/m3 of cement (Specific Gravity = 3.15). The available gravel has a specific gravity of (S.G) gravel = 2.7, a moisture content of 1.6%, and absorption of 2.4%. The available sand has a specific gravity of (S.G) sand = 2.5, a moisture content of 4.8%, and absorption of 1.5%. For each cubic meter of concrete needed on the job, calculate the mass of cement, moist gravel, moist sand, and water that should be added to the batch. Summarize the total the mix design in a table.
ou are working on a concrete mix design that requires each cubic meter of concrete to have 0.40 water–cement ratio, 1165 kg/m3 of dry gravel, 4% air content, and 335 kg/m3 of cement (Specific Gravity = 3.15). The available gravel has a specific gravity of (S.G) gravel = 2.7, a moisture content of 1.6%, and absorption of 2.4%. The available sand has a specific gravity of (S.G) sand = 2.5, a moisture content of 4.8%, and absorption of 1.5%. For each cubic meter of concrete needed on the job, calculate the mass of cement, moist gravel, moist sand, and water that should be added to the batch. Summarize the total the mix design in a table.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
You are working on a concrete mix design that requires each cubic meter of concrete
to have 0.40 water–cement ratio, 1165 kg/m3 of dry gravel, 4% air content, and 335
kg/m3 of cement (Specific Gravity = 3.15). The available gravel has a specific gravity
of (S.G) gravel = 2.7, a moisture content of 1.6%, and absorption of 2.4%. The available
sand has a specific gravity of (S.G) sand = 2.5, a moisture content of 4.8%, and
absorption of 1.5%.
For each cubic meter of concrete needed on the job, calculate the mass of cement,
moist gravel, moist sand, and water that should be added to the batch. Summarize
the total the mix design in a table.
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