Question a douglas fir beam 10 by 12 in dressed size and 14, Ask an Expert

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Question: A Douglas fir beam 10 by 12 in dressed size and 14 ft long is supported at the ends. The beam carries a total uniform load of 9000 lb and a concentrated load at the middle of the span of 3600 lb.

a. What will be the maximum bending stress, shearing stress, and deflection?

b. Are the values within safe limits?

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