Answers to Chapter 9 End of Chapter Questions

# Answers to Chapter 9 End of Chapter Questions - Answers to...

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1 Answers to Chapter 9 End of Chapter Questions 1. Describe the effect of shear strengthof the following: a. thickness of soil: b. orientation of planes of weakness c. water in soil d. vegetation SEE TABLE 9.2 ON PAGE 228 FOR THE ANSWERS 2. Compare the shear force to the force of gravity (drawing diagrams similar to Figure 9.2) for the following situations: a. a vertical cliff: For a vertical cliff, the force of gravity is the same as the shear force. b. a flat horizontal plane: for a flat horizontal plane, the shear force will be 0; the force of gravity will be much larger. c. a 45° slope: For a 45°slope, the shear force will less than the force of gravity (note that the shear force and the normal force are perpendicular, and therefore, the force of gravity is the hypotenuse of the triangle (and therefore longer than both the shear force and the normal force) 3. How does a rotational slide differ from a translational slide? In a rotational slide, movement occurs along a curved surface in

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## This note was uploaded on 04/25/2008 for the course GEOG 102 taught by Professor Hudak during the Spring '08 term at Wisc Oshkosh.

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