QUESTIONS AND CORRECT ANSWERS
____ foundations use long wood, concrete, or steel piles that are driven or drilled into the earth. -
CORRECT ANSWER Pile
_____ is the alteration of a site's land form, usually by means of heavy equipment, to provide a level
area for a structure, create movement paths, and create drainage and landscape features. - CORRECT
ANSWER Grading
____ foundations are reinforced concrete slabs several feet in thickness that cover the entire footprint
of a building. - CORRECT ANSWER Mat
An earthquake is caused by the slippage of the earth along a ____. - CORRECT ANSWER fault
plane
____ piles utilize heavy-gauge steel pipes that are driven with an open end. - CORRECT
ANSWER Pipe
____ techniques involve lowering the level of subsurface water on a site to allow excavation to occur
in a dry and stable environment. - CORRECT ANSWER Dewatering
Predominantly granular soils that have minute amounts of clay particles can be stabilized by blending
them with ____. - CORRECT ANSWER Portland cement
____ hammers use a heavy weight lifted up vertical rails called leads. - CORRECT
ANSWER Drop
____, in the form of sheet piling, lagging, and slurry walls, is used to support the face of an
excavation. - CORRECT ANSWER Sheeting
Historically the main remediation strategy for damaged sites was the removal of contaminated
material to special, contained landfills, a procedure known as ____. - CORRECT
ANSWER Dig and dump