Concreto

Páginas: 2 (366 palabras) Publicado: 11 de julio de 2011
Concrete Slab Part 1

http://www.askthebuilder.com/Concrete_Slab_How_To_Part_1_Video.shtml

Hi, I'm Tim Carter from AsktheBuilder.com and we're getting ready to pour the concrete slab. Thetruck's here. Check this out!

What's really nice about these front-loader trucks is that the driver is in the cab and he can see exactly what the two workers are getting ready to do. By the driver movingthe chute back and forth, he can make their work a whole lot easier.

Watch this. Here comes the concrete. Notice that the workers are using the hooks on the end of the come-alongs to pull the wiremesh up into the middle of the concrete.

Look how fluid that concrete is. It is flowing on its own. You can see how you can use the concrete rakes to just pull the concrete. If the concrete is theright consistency, it just flows. The concrete rakes are sometimes called come-alongs, but they look like a regular rake. They just move the material around to fill all the areas.

What's reallyimportant to note is that the concrete driver has stopped the flow of concrete while he lets the men work and place the concrete in the corner. It’s just a nice controlled work flow between the driverand the workers. Don't let the concrete truck driver get in front of you. Tell him to stop the concrete flow if he is pouring too much, too fast.

Concrete Slab Part 2http://www.askthebuilder.com/Concrete_Slab_How_To_Part_2_Video.shtml

Hi, I'm Tim Carter from AsktheBuilder.com and I want to show you a concrete finisher using a magnesium float to float the edge of some freshly placedconcrete. Watch this.

That's how you would use a magnesium float when you are doing concrete work. Did you notice what he did? He puddled the concrete by pushing it up and down. Followed by some realnice gentle strokes to make sure the float stays along the chalk line that is on the foundation wall. That is a nice trick to keep the concrete level. The concrete at this point is very fluid, making...
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