analyze and compare two trusses arched configurations of the pratt tru
Analyze and compare two trusses, arched configurations of the Pratt Truss and the Howe Truss in Figures (a) and (b), respectively. The trusses have the same depth, length, panel spacing,loading, and supports. All joints are pinned. For each truss, do the following. a) Compute all bar forces and indicate tension or compression for each force. b) Determine the required cross-sectional areas for each bar, given an allowable tensile stress of 300 MPa and an allowable compressive stress of 165 MPa. Note that the allowable compressive stress is lower due to buckling. c) Tabulate your results showing bar forces, cross-sectional areas, and lengths. d) Calculate the total weight of each truss and determine which truss has a more efficient configuration. Explain your results. e) What other conclusions can you draw from the study?
Include all important screen shots of computer software to show your results.
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