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span of Problem 5.4.C Rafters are to be used on 24-in. centers for a roof s 16 ft. Live load is 20 psf (without snow) and the dead load is 15 psf, including the weight of the rafters. Find the rafter size required for Douglas fir-larch of (a) No. 1 grade and (b) No. 2 grade, based on bending stress.

span of Problem 5.4.C Rafters are to be used on 24-in. centers for a roof s 16 ft. Live load is 20 psf (without snow) and the dead load is 15 psf, including the weight of the rafters. Find the rafter size required for Douglas fir-larch of (a) No. 1 grade and (b) No. 2 grade, based on bending stress.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 5.4.C Rafters are to be used on 24-in. centers for a roof span of the weight of the rafters. Find the rafter size required for Douglas fir-larch 16 ft. Live load is 20 psf (without snow) and the dead load is 15 psf, including of (a) No. 1 grade and (b) No. 2 grade, based on bending stress.
Transcribed Image Text:Problem 5.4.C Rafters are to be used on 24-in. centers for a roof span of the weight of the rafters. Find the rafter size required for Douglas fir-larch 16 ft. Live load is 20 psf (without snow) and the dead load is 15 psf, including of (a) No. 1 grade and (b) No. 2 grade, based on bending stress.
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