3m 12m 18 m 14m 3m 3m Fig. 4-5(a)
Residential Construction Academy: House Wiring (MindTap Course List)
5th Edition
ISBN:9781337402415
Author:Gregory W Fletcher
Publisher:Gregory W Fletcher
Chapter18: Device Installation
Section: Chapter Questions
Problem 11RQ
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2.) A concrete dam retaining water is shown. If the specific weight of the concrete is 23.54 kN/m3, find the factor of safety against overturning. Assume there is a hydrostatic uplift that varies uniformly from full hydrostatic head at the heel of the dam to zero at the toe and that the coefficient of friction between dam and foundation soil is 0.45.
CHOICES:
a.) 1.296
b.) 2.961
c.) 6.296
d.) 2.196
Transcribed Image Text:3m
12m
18 m
14 m
3m
3m
1B
15m
Fig. 4-5(a)
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