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Multiple Choice
(1.5 pt each)
2. (slope-limit equil) What is the key assumption made for the Ordinary Method of Slices (OMS) technique?
a. Side forces can be neglected (sum to zero) b. Moment equilibrium is not satisfied c. A set of angles for the side forces is prescribed (assumed) d. All side forces have the same angle e. All side forces are horizontal (vertical components are zero) f. none of the above
3. (slope-limit equil) What is the key assumption made for Spencer's method?
a. Side forces can be neglected (sum to zero) b. Moment equilibrium is not satisfied c. A set of angles for the side forces is prescribed (assumed) d. All side forces have the same angle e. All side forces are horizontal (vertical components are zero) f. none of the above
4. (slope-limit equil) What is the key assumption made for the Force Equilibrium technique?
a. Side forces can be neglected (sum to zero) b. Moment equilibrium is not satisfied c. A set of angles for the side forces is prescribed (assumed) d. All side forces have the same angle e. All side forces are horizontal (vertical components are zero) f. none of the above
5. (slope-seismic) Which of the following is true of the kW force used in the pseudo-static method of slope stability analysis for seismic conditions?
a. Force is typically assumed to act in a horizontal direction b. Force is static (assumed to act in one direction only) c. Force is assumed to act on center of gravity of slice d. Force (kW) is added to limit equilibrium equations e. All of the above are true
6. (slope-charts) Which of the following conditions cannot be simulated using the stability chart method we used in class based on the appendix in the back of the textbook?
a. Surcharge b. Submerged slope c. Tension crack d. Water filling tension crack e. All of the above can be factored into the analysis
7. (slope-shear strength) Which of the following tests generally produces the smallest friction angle for a saturated clay?
a. CD triaxial b. CU triaxial c. UU triaxial