The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 124
e earth has its natural slope, a similarmethod of calculation will apply. When the wall resiststhe pressure of the earth, take \ of the weight of the earth,for the weight of the equivalent fluid ; and on the contrary, PRACTICAL MECHANICS. 119 Avheii the earth resists the pressure of the wall, take… … B C On this supposition, the weight of a cubic foot of the equivalentfluid == 100 X i = 12i lbs. The moment of the earth C Q R 40 40 = 40 X 1 X -y- X 12i X -^ == 133333 ; The moment of the wall = 40 X 8 X 1 X 120 XConsequently, the wall will stand. 153600 ; Ques. 27. A revetment wall, F Q B C, is…
Mechanics, Applied
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
