Exam 9: Concrete Form Construction

____ are doubled 2 *4 pieces with spaces between them used to stiffen wall forms.

Metric rebars are measured in ____.

Most concrete masonry units (CMUs) are called ____, which have the familiar shape of a CMU.

A rigid foam forming system called insulated concrete forms (ICFs) uses ____-inch thick expanded polystyrene.

A combined slab and foundation / footing is called a ____.

Ready-mix concrete is sold by the square yard.

Concrete has high compressive strength.

All-weather wood foundations are made of pressure-treated lumber and plywood.

The ____ line is the point below the surface to which the ground usually freezes in winter.

____ tests are made by inspectors on the job to determine the consistency of concrete.

Any water used to make concrete should be clean and even drinkable.

Steel reinforcing bars, called rebars, are used in concrete to increase its ____.

The footing width is usually ____ the wall thickness and the footing depth is often equal to the wall thickness.

Form panels are built of special form plywood backed by metal ribs or 2 * 4 ____.

The purpose of a(n) ____ is to provide a lock between the footing and the foundation wall.

Precast concrete foundations sections are set by a crane and then bolted together.

Where necessary, to prevent heat loss through the floor and foundation walls, ____made of extruded polystyrene is installed under the concrete slab.

______ strength is the quality of being resistant to breaking under a pulling force.

The ____ for a foundation provides a base on which to spread the load of a structure over a wider area of the soil.

Protect concrete from freezing for a minimum of ____ after being placed by providing insulation or artificial heat, if necessary.