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Problem 3: The vertical face of a trapezoidal concrete dam (S=2.40) supports water to a depth of 16m. Uplift pressure at the base of the dam varies from full hydrostatic pressure at the heel to zero at the toe. The total height of the dam is 18m, upper base width is 1.50m, and the bottom base width is unknown. 6. Which of the following most nearly gives the minimum safe bottom base of the dam if the factor of safety against overturning is 1.60? a. 13.15m b. 12.03m c. 11.06m d. 10.40m 7. Which of the following most nearly gives the factor of safety against sliding if the coefficient off friction between the soil and the base of the dam is 0.74 using the calculated base in previous question? a. 1.15 c. 1.05 d. 1.00 b. 1.25 a. 159.90kPa b. 34.38kPa 8. Which of the following most nearly gives the maximum stress that is likely to occur at the toe of the dam? c. 284.60kPa d. 65.20kPa

Problem 3: The vertical face of a trapezoidal concrete dam (S=2.40) supports water to a depth of 16m. Uplift pressure at the base of the dam varies from full hydrostatic pressure at the heel to zero at the toe. The total height of the dam is 18m, upper base width is 1.50m, and the bottom base width is unknown. 6. Which of the following most nearly gives the minimum safe bottom base of the dam if the factor of safety against overturning is 1.60? a. 13.15m b. 12.03m c. 11.06m d. 10.40m 7. Which of the following most nearly gives the factor of safety against sliding if the coefficient off friction between the soil and the base of the dam is 0.74 using the calculated base in previous question? a. 1.15 c. 1.05 d. 1.00 b. 1.25 a. 159.90kPa b. 34.38kPa 8. Which of the following most nearly gives the maximum stress that is likely to occur at the toe of the dam? c. 284.60kPa d. 65.20kPa

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 3: The vertical face of a trapezoidal concrete dam (S=2.40) supports water to a depth of 16m. Uplift pressure at the base of the dam varies from full hydrostatic pressure at the heel to zero at the toe. The total height of the dam is 18m, upper base width is 1.50m, and the bottom base width is unknown. 6. Which of the following most nearly gives the minimum safe bottom base of the dam if the factor of safety against overturning is 1.60? a. 13.15m b. 12.03m c. 11.06m d. 10.40m 7. Which of the following most nearly gives the factor of safety against sliding if the coefficient off friction between the soil and the base of the dam is 0.74 using the calculated base in previous question? a. 1.15 c. 1.05 b. 1.25 d. 1.00 8. Which of the following most nearly gives the maximum stress that is likely to occur at the toe of the dam? a. 159.90kPa b. 34.38kPa c. 284.60kPa d. 65.20kPa
Transcribed Image Text:Problem 3: The vertical face of a trapezoidal concrete dam (S=2.40) supports water to a depth of 16m. Uplift pressure at the base of the dam varies from full hydrostatic pressure at the heel to zero at the toe. The total height of the dam is 18m, upper base width is 1.50m, and the bottom base width is unknown. 6. Which of the following most nearly gives the minimum safe bottom base of the dam if the factor of safety against overturning is 1.60? a. 13.15m b. 12.03m c. 11.06m d. 10.40m 7. Which of the following most nearly gives the factor of safety against sliding if the coefficient off friction between the soil and the base of the dam is 0.74 using the calculated base in previous question? a. 1.15 c. 1.05 b. 1.25 d. 1.00 8. Which of the following most nearly gives the maximum stress that is likely to occur at the toe of the dam? a. 159.90kPa b. 34.38kPa c. 284.60kPa d. 65.20kPa
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