195. The pin support A and roller support B of the bridge
Chapter 1, Problem 1-95(choose chapter or problem)
The pin support A and roller support B of the bridge truss are supported on concrete abutments. If the bearing failure stress of the concrete is \(\left(\sigma_{\text {fail }}\right)_{b}=4 \ \mathrm{ksi}\), determine the required minimum dimension of the square bearing plates at C and D to the nearest \(\frac{1}{16} \text { in }\). Apply a factor of safety of 2 against failure.
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