Chapter 5 Flashcards
1
Q
uses for metal staircase
A
- escape stairs
- accommodation stairs
2
Q
materials used for construction
A
- mild steel
- aluminium alloy
3
Q
advantages of metal staircase
A
- no need for formwork
- no hoisting equipment is required
4
Q
disadvantages of metal staircase
A
- more expensive
- takes a longer time to fabricate
- requires regular maintenance
5
Q
types of metal stairs
A
- steel escape stair
- steel spiral stair
- steel string beam stair
- aluminium alloy stair
6
Q
structural steel stairs components
A
- tread
- stringers
- supporting beam
- special pans
