Q.
(a) Explain two (2) criteria influencing the choice between steel and concrete as material for framed structures. (10 marks)
(b) Explain with sketches the types of roof-lights suitable for factories. (15 marks)
(25 marks, 2016 Q7)
A.
a) 2 criteria influencing the choice between steel and concrete as material for framed structures are:
Similar to 2016 Q1:
(a) Explain the factors that influence the choice of steel and concrete as material for framed structures.
1. Flexibility and thus good if steel is used for structures that are prone to wind and earth movements.
2. Safety as steel can have pre-assembly off site, manufactured and transported for on-site installation esp with limited space.
Ref:
Earlier posts.
b) Roof-lights suitable for factories.
Reduce Energy Bills With Rooflights:
- Reduce electricity bills by utilising natural sun light
- Create a healthier working environment
- Increase productivity
