how would you figure out how much the steel stucture/ support will expand during its lifespan ?

Question: how would you figure out how much the steel stucture/ support will expand during its lifespan ?
- Keywords:
  engineering,
  metal
Asked by 443msep25 to Michelle on 9 Nov 2018.
- Michelle Hands answered on 9 Nov 2018:
  
  Ohh great question, to be honest that would be one for a sepcialist steel engineer 🙂

Question: how would you figure out how much the steel stucture/ support will expand during its lifespan ?