The accompanying figure shows part of a common type of roof truss, constructed mainly of timber and steel rods. Determine: a. The bearing stress between the brick wall column and the 8” x 10” timber if the load in the column is 18 kips. b. The length L required to keep the dashed portion of the 8” x 10”  member from shearing off due to the horizontal thrust of 20 kips against the steel shoe. The allowable shear stress is 125 ksi.

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Steel Framing

A steel frame consists of a skeleton frame structure comprising of horizontal I-beams and vertical steel columns fitted in a rectangular grid building construction to brace the floors, walls, and the roof of the building held onto the frame. Due to the implementation of this methodology, the construction of the skyscrapers was feasible.