A pitched roof to be provided for a workshop of effective span 18 m. The trusses are spaced at 4 m centre to centre and purlins at 1.6 m centre to centre. The pitch of the roof is 28°, weight of the roofing material is 0.162 kN/m, normal wind pressure is 1.2 kN/m² and permissible bending stress is 165 MPa. check the suitability of ISLB 12575 @ 0.119 kN/m section for purlins, if Ixx 406.8 cm² and lyy = 43.4 cm for given section. =
A pitched roof to be provided for a workshop of effective span 18 m. The trusses are spaced at 4 m centre to centre and purlins at 1.6 m centre to centre. The pitch of the roof is 28°, weight of the roofing material is 0.162 kN/m, normal wind pressure is 1.2 kN/m² and permissible bending stress is 165 MPa. check the suitability of ISLB 12575 @ 0.119 kN/m section for purlins, if Ixx 406.8 cm² and lyy = 43.4 cm for given section. =
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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