Question: Design a 2 x ? ? Southern Pine No . 1 with a 1 2 - 0 simple span roof rafter spaced at 1 6

Design a 2x?? Southern Pine No.1 with a 12-0 simple span roof rafter spaced at 16 o.c. supporting a dead load of 15 psf and a roof live load of 20 psf. Roof sheathing provides full lateral support. Check moment, shear and deRlection for L/240.
For the Problem above, assume the rafter is only supported at the ends (Find CL.). Re-design the 2x?? rafter.

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