The most important effect of increased pore water pressure in slope movements is to:
a. increase the driving forces by added weight
b. decrease the resisting forces by decreasing the effective normal stress
c. decrease the resisting forces by decreasing the cohesion
d. decrease the resisting forces by lubrication of the failure plane
b
You might also like to view...
The development of new varieties of grain crops increased productivity by increasing the
A) surface area of the leaves of the plants. B) size of the roots and ability to absorb water. C) strength of the stems to support more grains. D) size and number of seeds.
If you see a lightning stroke and then, 15 seconds later, hear the thunder, the lightning is about ____ miles away.?
a. ?45 b. ?15 c. ?5 d. ?3 e. ?1.5
A model is essentially a simplification of natural systems
Indicate whether the statement is true or false
In energy conversions such as burning coal to produce heat, ________
A) entropy decreases because heat is used to ignite the coal B) entropy increases because of heat released in the conversion C) entropy decreases because of heat released in the conversion D) entropy is unchanged because heat is used to ignite the coal