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1. What is the total vertical pressure (psf) at the bottom of the Fill (Elev. 88 - dz)? (a) 1380 (b) 424 (c) 2129 (d) 780 (e) none of these answers 2. What is the effective vertical pressure (psf) at the bottom of the Fill (Elev. 88 - dz)? (a) 424 (c) 2129 (d) 780 (e) none of these answers 3. What is the Rankine Active Pressure at Elev. 88 - dz (Bottom of Fill)? (a) 1380 (b) 424 (c) 2129 (d) 780 (c) none of these answers 4. What is the Rankine Active Pressure at Elev. 88 + dz (Top of Organic Silt)? (a) 1380 (b) 424 (c) 2129 (d) 780 (e) none of these answers 5. What is the Rankine Active Pressure at Elev. 84 - dz (Bottom of Organic Silt)? (a) 1700 (b) 1450 (c) 850 (d) 250 (e) none of these answers 6. What is the Rankine Active Pressure (psf) at the top of the Silty Sand (Elev. 84 +dz)? (a) 1700 850 (c) 410 (d) 250 (e) none of these answers 7. What is the Rankine Active Pressure (psf) at the bottom of the Silty Sand (Elev. 64 - dz) (a) 4060 (b) 1498 (c) 725 (d) 2562 (e) none of these answers 8. Using the answers above draw the Rankine Active Pressure diagram for the 36 ft. soil profile above. This question is worth 3 points all the others 1 point. 9. Draw hydrostatic lateral pressure diagram for this problem assuming there groundwater cutoff in the stiff marine Clay below Elev. 64 10. We decide that we need two braces for our excavation support system. Therefore we need to convert the Rankine Active Pressure Diagram to an Apparent Pressure Diagram. The apparent pressure diagram is a rectangle. The height is 36 ft. Assuming total force from the apparent Rankine Pressure diagram above is 17.15+ kips. The maximum pressure for the rectangular apparent pressure diagram is? (a) 0.500 ksf (b) 1 ksf (c) 0.476 ksf (d) 0.253 ksf (e) none of these answers 11. Apparent pressure diagrams were originally developed by theoretical modifications to Rankine's Theory (assuming rotation about strut levels rather than the base of a structure). True or False 12. Active lateral soil pressures are less than at-rest lateral pressures, however, active lateral pressure requires some wall movement at the top of the retaining structure. True or False 13. The wall movements required to fully develop Rankine passive pressure are the same as required to fully develop Rankine active pressures. True or False

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