The steel structure and the concrete building which cost is high
Because the steel structure can reach more than 90 recovery rate, scrap steel is steel, can bereused. What about concrete? It can recycle a pile of construction waste and pay for it.
The steel structure is of high cost and the steel content per square of the steel structure is higher than that of the concrete structure.
A one-time base investment, steel structure slightly higher. But in the long run, steel is cheap
