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The uplift (hydrostatic) force under the concrete gravity dam shown below varies as a straight line from 67% of the headwater pressure at the heel, to 100% of the tail-water at the toe. Assume y Concrete = 145 pcf a) Determine the Factor of Safety against overturning; and b) Determine the FS against sliding, if the sand that underlay the dam has = 37°.

The uplift (hydrostatic) force under the concrete gravity dam shown below varies as a straight line from 67% of the headwater pressure at the heel, to 100% of the tail-water at the toe. Assume y Concrete = 145 pcf a) Determine the Factor of Safety against overturning; and b) Determine the FS against sliding, if the sand that underlay the dam has = 37°.

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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The uplift (hydrostatic) force under the concrete gravity dam shown below varies as a straight line from 67% of the headwater pressure at the heel, to 100% of the tail-water at the toe. Assume y Concrete = 145 pcf a) Determine the Factor of Safety against overturning; and b) Determine the FS against sliding, if the sand that underlay the dam has = 37°. Headwater Elevation + 485 ft Top of Dam Elevation +500 MSL 300 ft Base Elevation + 200 MLS 40' -spillway 300 ft Tailwater Elevation +260 ft
Transcribed Image Text:The uplift (hydrostatic) force under the concrete gravity dam shown below varies as a straight line from 67% of the headwater pressure at the heel, to 100% of the tail-water at the toe. Assume y Concrete = 145 pcf a) Determine the Factor of Safety against overturning; and b) Determine the FS against sliding, if the sand that underlay the dam has = 37°. Headwater Elevation + 485 ft Top of Dam Elevation +500 MSL 300 ft Base Elevation + 200 MLS 40' -spillway 300 ft Tailwater Elevation +260 ft
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