Friction pilings __________________. A. are drilled through ...

[Mimi]

Friction pilings __________________.
 
  A. are drilled through bedrock and rely on friction between pilings and bedrock to keep the building from moving
  B. support the foundation through the grabbing force of the soil around the piling along its length
  C. are no longer permitted
  D. Both A and B

Question 2

A raft type foundation _________________.
 
  A. requires friction pilings
  B. requires hollow pilings that act as pontoons
  C. must be mounted on bedrock
  D. causes the building to float on top of the earth and are used when pilings would have to be excessively long in order to reach bedrock

[Awesome]

Answer to Question 1

B

Answer to Question 2

D

[Mimi]

Thanks for the timely response, appreciate it

[nguyenhoanhat]

Gracias!