SITUATION 4 Water is acting on the vertical side of a trapezoidal masonry dam 2 meters wide at the top, 15 meters at the bottom and 20 meters high. If the allowable compressive stress at the toe is 345 kPa and neglecting the hydrostatic uplift. Use unit weight of concrete of 23.5 kN/m³. 13. Compute the depth of the water on the stream vertical side of the dam. с. 19.78 m d. 22.74 m a. 21.5 m b. 16.23 m 14. What is the FOS against sliding if coefficient of friction is 0.60? a. 1.25 b. 1.53 с. 1.96 d. 2.41 15. FOS against overturning. а. 1.13 b. 3.31 с. 1.33 d. 3.13

SITUATION 4 Water is acting on the vertical side of a trapezoidal masonry dam 2 meters wide at the top, 15 meters at the bottom and 20 meters high. If the allowable compressive stress at the toe is 345 kPa and neglecting the hydrostatic uplift. Use unit weight of concrete of 23.5 kN/m³. 13. Compute the depth of the water on the stream vertical side of the dam. с. 19.78 m d. 22.74 m a. 21.5 m b. 16.23 m 14. What is the FOS against sliding if coefficient of friction is 0.60? a. 1.25 b. 1.53 с. 1.96 d. 2.41 15. FOS against overturning. а. 1.13 b. 3.31 с. 1.33 d. 3.13

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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3m W.S 3 10 6m 6m 10 W.S Sm 6m 6m draln 1. A section of a gravity masonry dam is shown in the figure water is flush at the top of the dam upstream and 5m from the ground downstream. Assume hydrostatic uplift to vary uniformly from full hydrostatic pressure from the heel to zero at the drain density of water is 1000kg/m^3. The specific gravity of concrete is 2.4. Determine: a. The location of the resultant force b. Factor of safety against sliding if coefficient of friction is 0.75 c. Factor of safety against overturning d. Stress at the heel and the toe e. Unit horizontal shearing stress at the base f. Factor of safety against overturning neglecting uplift
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