Methods and Procedures - Methods and Procedures A concrete mix had to be designed and prepared to be able to fill two concrete beams 40 inches by 5.5

Methods and Procedures - Methods and Procedures A concrete...

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Methods and Procedures A concrete mix had to be designed and prepared to be able to fill two concrete beams, 40 inches by 5.5 inches by 2.5 inches, three 4 inch by 8 inch cylinders, and one slump test with a volume of a 6 inch by 12 inch cylinder. The concrete design batch weights for 1 cubic yard of concrete (with measured dry-rodded unit weights), was 350 pounds of water, 768.29 pounds of Portland cement, 85.37 pounds of silica fume, 772.2 pounds of number 8 lightweight aggregate, and 1081.45 pounds of sand. The batch weights needed to create enough mix for our mix design were 12.95 pounds of water, 28.43 pounds of Portland cement, 3.16 pounds of silica fume, 28.57 pounds of number 8 lightweight aggregate, and 40.01 pounds of sand. The design of the concrete beam was then laid out. A T-shaped design was used and one piece of rebar was used at the bottom of the beam to reinforce the concrete in tension. The formwork to pour the beams in to was made out of wood. There were four pieces installed on the top of a piece of plywood to the fit the standard size of the beam.
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  • Spring '10
  • BROWN
  • pounds, concrete beam

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