If the allowable bearing stress for the material under the supports at A and B i

Question

If the allowable bearing stress for the material under the supports at A and B is %u03C3allow = 1.2MPa , determine the size of square bearing plates A%u2032 and B%u2032 required to support the load. Dimension the plates to the nearest mm. The reactions at the supports are vertical. Take P = 120kN .>

If the allowable bearing stress for the material under the supports at A and B is (sigma allow = 1.2MPa determine the size of square bearing plates A' and B' required to support the load. Dimension the plates to the nearest mm The reactions at the supports are vertical. Take P = 120kN

Explanation / Answer

Stress = Force/Area

Area = Force/stress = 120*10^3/1.2*10^6

Area = 0.1

let a be the side of the square

Area = a^2

a^2 = 0.1

a = 0.316227 m

a = 316.227 mm

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