Using simplified arch-rip analysis, design an arch dam 180 m high for a trapezoidal canyon having widths of 70 m and 400 m at the bottom and at the top of the cross-section, respectively. Upstream face is vertical. The thickness at the crest is required to be 5 m. Take Oall=4 MPa,y=10 kN/m³, ye=24 kN/m³, and 0a= 130' . Determine: a) The base thickness; b) The maximum thickness and its location with respect to the dam crest elevation, c) The height of the rectangular section at the top 400 m 180 m 70 m

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Using simplified arch-rip analysis, design an arch dam 180 m high for a trapezoidal canyon
having widths of 70 m and 400 m at the bottom and at the top of the cross-section,
respectively. Upstream face is vertical. The thickness at the crest is required to be 5 m. Take
Gall=4 MPa,y=10 kN/m³, yc=24 kN/m³, and Oa= 130' . Determine:
a) The base thickness;
b) The maximum thickness and its location with respect to the dam crest elevation,
c) The height of the rectangular section at the top
400 m
180 m
70 m
Transcribed Image Text:Using simplified arch-rip analysis, design an arch dam 180 m high for a trapezoidal canyon having widths of 70 m and 400 m at the bottom and at the top of the cross-section, respectively. Upstream face is vertical. The thickness at the crest is required to be 5 m. Take Gall=4 MPa,y=10 kN/m³, yc=24 kN/m³, and Oa= 130' . Determine: a) The base thickness; b) The maximum thickness and its location with respect to the dam crest elevation, c) The height of the rectangular section at the top 400 m 180 m 70 m
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