Question

Live load for roof truss should not be less than

(a) 0.4kN/m^2

(b) 0.2kN/m^2

(c) 0.75kN/m^2

(d) 0.8kN/m^2

I have been asked this question in an international level competition.

I'm obligated to ask this question of Gantry Girders & Design of Industrial Buildings in portion Gantry Girders, Design of Plate Girders & Industrial Buildings of Design of Steel Structures

Answer 1

The correct answer is (a) 0.4kN/m^2

The explanation is: The live load for roof truss should not be less than 0.4kN/m^2. For roof slopes ≤ 10^o and access provided, the live load to be taken is 1.5kN/m^2 of plan area. For roof slopes > 10^o and access is not provided , the live load to be taken is 0.75kN/m^2 of plan area.