The base of a dam has a factor of safety to sliding of 1.5 and holds water upstream that is 8 m deep. After construction, it is found that silt is settling on the bottom of the lake at an annual rate of 2.5 centimeters. Consider silt is equivalent to a liquid of density 1760 kg/m3. 13.0 Determine the number of years until the dam becomes unsafe. a.) 320 years c.) 260 years e.). b.) 470 years d.) 180 years

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The base of a dam has a factor of safety to sliding of 1.5 and holds water upstream
that is 8 m deep. After construction, it is found that silt is settling on the bottom of
the lake at an annual rate of 2.5 centimeters. Consider silt is equivalent to a liquid
of density 1760 kg/m3.
13.0 Determine the number of years until the dam becomes unsafe.
c.) 260 years
d.) 180 years
a.) 320 years
e.).
b.) 470 years
Transcribed Image Text:The base of a dam has a factor of safety to sliding of 1.5 and holds water upstream that is 8 m deep. After construction, it is found that silt is settling on the bottom of the lake at an annual rate of 2.5 centimeters. Consider silt is equivalent to a liquid of density 1760 kg/m3. 13.0 Determine the number of years until the dam becomes unsafe. c.) 260 years d.) 180 years a.) 320 years e.). b.) 470 years
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