From Empty Lot to Building by Meg Greve

Author:Meg Greve
Language: eng
Format: epub
ISBN: 9781681912585
Publisher: Rourke Educational Media
Published: 2015-10-15T00:00:00+00:00

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The Leaning Tower of Pisa in Italy is a perfect example of the ground not being strong enough. It leans due to poor planning and soft ground!

Once the ground is flat, the foundation is poured. Most foundations are made of cement.

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A cement mason must have just the right mix of cement so when it hardens, the foundation does not crack.

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Cement is made up of limestone, clay, aluminum, and iron. It is made into a powder and then mixed with sand, gravel, and water.

After the foundation is dry, the framers build the frame of the building. Just like us, a building has a skeleton to help hold it up.

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