Ag Mech II concrete I

Front

A form:

Back

structure used to hold concrete in shape until it hardens

Front

When a footing is dug for a foundation, the ___ acts as the form.

Back

soil

Front

Wood or ___ can be used for a concrete form.

Back

metal

Front

It is best to use 2 x 4 or 2 x 6 lumber for forms so that:

Back

The forms won't bend or warp

Front

When the weather is warm, forms can stay in place for _____

Back

2-3 days

Front

_____ concrete involves getting the surface to the proper grade and smoothness.

Back

finishing

Front

The first step in finishing concrete is ____

Back

screeding

Front

A __ is used to impact the concrete at the surface and make it easier to finish.

Back

bull float

Front

Use a broom when you want the concrete to have a ___ surface

Back

non-slip

Front

The three dry ingredients in concrete are: sand, silt, clay; sand, gravel, portland cement; sand, clay, portland cement; sand, gravel, mortar

Back

sand, gravel, portland cement