t in that it gives an additional factor of safety. Incalculating the pressure of the earth fill, Coulombs formulaE £(wh tani(45-^)will be U3ed to obtain the total pressure;and this will be considered as acting horizontally at a pointabove the base of one third of the total height. The angle… … 33 985x2,83xl2s33 500 pound-inches. Assuming a depth of concreteof 5.45 inches, j is found to be 0.88 and k is 0.36 which is thetrue value, see page 9. The total thickness of concrete at thispoint will be made 7 inches. The total earth pressure behind the wall is £xl00x 2 2 (56.5) x(0.502) s43 500…
Bridges · Viaducts · Theses
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