section A concrete (y = 155 lb/ft³) dam cross section impounds water and is comprised of two rectangular sections. Use a unit width in the analysis. a) What would be the minimum height h that provides a factor of safety equal to 2.0 against overturning at the toe when H₁ = 22.5 ft? The tailwater H₂ = 0. Hpool = 1/2-H2 W = Concrete Volume.. Ye U = 1/2 (H₁+H2) L N=W-U cool bood bolga eN = (-ΣMc) /Nbnow one lad W /Ν b) Determine the location of the resultant on the dam base. Would tension occur on any portion of the dam base? c) Using the previous answer and USGS procedures, what would be the factor of safety with respect to sliding if the underlying rock has c = 900 PSF and > = 44°? 8 ft 8 ft 25 ft H₁ = 22.5 ft h
section A concrete (y = 155 lb/ft³) dam cross section impounds water and is comprised of two rectangular sections. Use a unit width in the analysis. a) What would be the minimum height h that provides a factor of safety equal to 2.0 against overturning at the toe when H₁ = 22.5 ft? The tailwater H₂ = 0. Hpool = 1/2-H2 W = Concrete Volume.. Ye U = 1/2 (H₁+H2) L N=W-U cool bood bolga eN = (-ΣMc) /Nbnow one lad W /Ν b) Determine the location of the resultant on the dam base. Would tension occur on any portion of the dam base? c) Using the previous answer and USGS procedures, what would be the factor of safety with respect to sliding if the underlying rock has c = 900 PSF and > = 44°? 8 ft 8 ft 25 ft H₁ = 22.5 ft h
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:section
A concrete (y = 155 lb/ft³) dam cross section impounds water and is comprised of
two rectangular sections. Use a unit width in the analysis.
a) What would be the minimum height h that provides a factor of safety equal to 2.0 against
overturning at the toe when H₁ = 22.5 ft? The tailwater H₂ = 0.
Hpool = 1/2-H2
W = Concrete Volume.. Ye
U = 1/2 (H₁+H2) L
N=W-U
cool bood bolga
eN =
(-ΣMc) /Nbnow one lad W
/Ν
b) Determine the location of the resultant on the dam base. Would tension occur on any portion
of the dam base?
c) Using the previous answer and USGS procedures, what would be the factor of safety with
respect to sliding if the underlying rock has c = 900 PSF and > = 44°?
8 ft
8 ft
25 ft
H₁ = 22.5 ft
h
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