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2.15 Compare the following three roof structures. All three have the same span length and the same total roof load. Calculate the maximum bending moment at the main (bottom) beam. The beam has a rectangular cross-section measuring 8-inch wide by 12-inch deep. Determine the maximum bending stress for all three cases for this beam. Calculate the Section Modulus of the beam, S: Calculate the maximum bend stress for Case 1: Simple supported beam with uniformly distributed load Uniformly distributed total load = 2400 lbs 24 ft

2.15 Compare the following three roof structures. All three have the same span length and the same total roof load. Calculate the maximum bending moment at the main (bottom) beam. The beam has a rectangular cross-section measuring 8-inch wide by 12-inch deep. Determine the maximum bending stress for all three cases for this beam. Calculate the Section Modulus of the beam, S: Calculate the maximum bend stress for Case 1: Simple supported beam with uniformly distributed load Uniformly distributed total load = 2400 lbs 24 ft

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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2.15 Compare the following three roof structures. All three have the same span length and the same total roof load. Calculate the maximum bending moment at the main (bottom) beam. The beam has a rectangular cross-section measuring 8-inch wide by 12-inch deep. Determine the maximum bending stress for all three cases for this beam. Calculate the Section Modulus of the beam, S: Calculate the maximum bend stress for Case 1: Simple supported beam with uniformly distributed load Uniformly distributed total load = 2400 lbs 24 ft
Transcribed Image Text:2.15 Compare the following three roof structures. All three have the same span length and the same total roof load. Calculate the maximum bending moment at the main (bottom) beam. The beam has a rectangular cross-section measuring 8-inch wide by 12-inch deep. Determine the maximum bending stress for all three cases for this beam. Calculate the Section Modulus of the beam, S: Calculate the maximum bend stress for Case 1: Simple supported beam with uniformly distributed load Uniformly distributed total load = 2400 lbs 24 ft
2.15 Compare the following three roof structures. All three have the same span length and the same total roof load. Calculate the maximum bending moment at the main (bottom) beam. The beam has a rectangular cross-section measuring 8-inch wide by 12-inch deep. Determine the maximum bending stress for all three cases for this beam. Case 2: Simple supported bottom beam supporting gable roof and center post, Total roof load is same as Case 1. Determine the magnitude of the point load from center post on the main beam. 41. Case 3: Simple supported bottom beam supporting gable roof with terraced gable framing, Total roof load is same as Case 1. Determine the magnitude of the point load from two cripple posts on the main beam. 24 ft
Transcribed Image Text:2.15 Compare the following three roof structures. All three have the same span length and the same total roof load. Calculate the maximum bending moment at the main (bottom) beam. The beam has a rectangular cross-section measuring 8-inch wide by 12-inch deep. Determine the maximum bending stress for all three cases for this beam. Case 2: Simple supported bottom beam supporting gable roof and center post, Total roof load is same as Case 1. Determine the magnitude of the point load from center post on the main beam. 41. Case 3: Simple supported bottom beam supporting gable roof with terraced gable framing, Total roof load is same as Case 1. Determine the magnitude of the point load from two cripple posts on the main beam. 24 ft
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