ConcreteP7A

Recipe Ideas w/ sources: What is concrete: is a mixture of cement, water, sand and gravel such as stones and crushed rock. The two main products that make up concrete is water and cement. Gravel and sand give the strength to the concrete.

Introduction: Due to the devastating earthquake that has hit Haiti, our group thought that we would construct concrete for the construction of runways for air planes to land on. The significance of constructing more runways is that once the construction is complete, there will be more space for planes to land on, increasing the amount of supplies that can be brought to Haiti. The problem with making concrete is that distributors who sell the ingredients have all different units in their pricing. However, making a concrete mix that is cheap in price but rich in foundation can greatly help the people who were harmed from the earthquake in Haiti.

RECIPE'S WE FOUND: 1.) 2 quarts Portland cement, white or grey 4 quarts sand, white or grey 3 quarts aggregate- rock, pumice, etc. 1 1/2- 1 3/4 quarts water 2.) 2 ¾ parts stone and gravel aggregate 2 ½ parts sand 1 part cement ½ part water 3.)

RECIPE WE USED: 2 ¾ parts stone and gravel aggregate 2 ½ parts sand 1 part cement ½ part water

RUNWAY LENGTH: 6,000 FEET -WE ONLY NEED THE CALCULATIONS FOR A TON, SO IN OUR DESCRIPTION WE NEED TO SAY, "WE KNOW THAT YOU WILL NEED MUCH MORE CONCRETE TO MAKE A RUNWAY.

CALCULATIONS: 2.3/4 x 2000 lbs = 5500 lbs stone and gravel aggregate Using the same formula we got the rest of the answers; 5000 lbs sand, 2000 lbs cement, 1000 lbs water

EQUATION: 2 3/4 parts stone/gravel + 2 1/2 part sand + 1 part cement + 1/2 water --> concrete

Different Sources for sand:

Sand:
F110 from [|US Silica] My cost per pound $0.21 $8.95 / 100 lbs. from Abrasives & Equipment of Atlanta This is an excellent foundry sand. You should try to get it. Check with sand blaster suppliers or contact US Silica and ask where you can get it near you.

@http://axner.com/sand-30mesh.aspx

Manufacturer: Other Axner Number: MSAND30 Shipping Weight: 1 lbs., 1.00000 oz. ||  || Axner Price: $1.22 ||   ||   ||  ||   ||  || ||  ||   ||   || Email this page to a friend! ||
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Brand Name Ideas: ACA Concrete Co.
Logo Ideas: