Brightwood_Chapter 07_Site Assessment And Site Work

Question 1

BEDROCK

Answer 1

Is the solid material that forms the crust of the earth. The strongest support for the foundation of a structure.

Question 2

HARDPAN

Answer 2

Is a consolidated mixture of gravel, clay, and sand, and it is a good foundation base for buildings.

Question 3

Gravel

Answer 3

Consists of granular rock particles ranging in size from 1/4 inch to 3 1/2 inch.

Question 4

SAND

Answer 4

Consists of loose granular rock particles about. 002 inch to 1/4in in size.

Question 5

Silt

Answer 5

Is a fine-grained sedimentary material deposited from running water. It is .002 inch or less in particle size.

Question 6

Clay

Answer 6

Is a fine-grained, firm COHESIVE material formed from the decomposition and hydration of certain rock. Clay is plastic when wet and relatively hard when dry.