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Concrete mixing ratios are the formula for calculating the correct amount of each ingredient used, including water, cement, sand and aggregate, to produce concrete with the properties desired. A basic concrete ratio is o... More »

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One rule for mixing concrete is 1 part cement and 2 parts sand to 3 parts aggregates by volume or about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water by weight. Entrained air in many conc... More »

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Stamp concrete by spraying the stamps with a release agent, pressing them into the wet material and lifting them out to leave the pattern. Use a tamper or step on the stamp to press it into the material. Repeat the proce... More »

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Concrete is a mixture of cement, water and aggregates, such as sand, coarse gravel or crushed rock. After it hardens, concrete is resilient, durable, resistant to environmental extremes and capable of supporting heavy lo... More »

www.reference.com Home & Garden Home Maintenance Building Materials

One rule for mixing concrete is 1 part cement and 2 parts sand to 3 parts aggregates by volume or about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water by weight. Entrained air in many conc... More »

www.reference.com Home & Garden Home Maintenance Building Materials

Concrete does not actually have a melting point, but it decomposes into various components due to the makeup of concrete, which is mostly sand and gravel with Portland cement added. A temperature of thousands of degrees ... More »

www.reference.com Science Chemistry States of Matter

The ratio of cement by volume for standard concrete is one part Portland cement, three parts aggregate and three parts sand. General purpose mortar requires one part Portland cement, one part hydrated lime and three part... More »

www.reference.com Home & Garden Home Maintenance Building Materials