Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 9, Problem 5P
To determine
Find the diameter of a mirror array associated with a solar power tower that would replace a
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OK i need help. Please help me work thorought this with autocad. I am not sure where to begin but i need to draw this. Well if you read the question we did it in class and I got suepr confsued.
A square column foundation has to carry a gross allowable load of 2005 kN (FS = 3). Given: D₤ = 1.7 m, y = 15.9 kN/m³, 0' = 34°, and c' = 0. Use Terzaghi's equation to determine the size of the foundation (B). Assume general shear failure. For o' = 34°, N₁
36.5 and Ny = 38.04.
(Enter your answer to three significant figures.)
B=2.16
m
For the design of a shallow foundation, given the following:
Soil: ' = 20°
c=57 kN/m²
Unit weight, y=18 kN/m³
Modulus of elasticity, E, = 1400 kN/m²
Poisson's ratio, μs = 0.35
Foundation: L=2m
B=1m
D₁ =1m
Calculate the ultimate bearing capacity. Use the equation:
1
qu= c'Ne Fes Fed Fec +qNqFqs FqdFqc + - BNF √s F√d F
2
For d'=20°, N = 14.83, N = 6.4, and N., = 5.39.
(Enter your answer to three significant figures.)
qu
kN/m²
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