The Pentagon was built in just 16 months, mostly of steel-reinforced concrete.
The monument's inner core of steel-reinforced concrete is believed to be solid.
The temple was rebuilt using steel-reinforced concrete in 1970.
The deck is made of composite steel-reinforced concrete with two carriageways.
Its architectural area is 5,194m and steel-reinforced concrete and has nine floors.
The tunnel is what gets lined with lead and steel-reinforced concrete.
The structure is steel-reinforced concrete and has one storey with a basement.
However, the building's dome is made of steel-reinforced concrete and reinforced plaster casts.
From the foundation to the highest level, the floors of the hotel were steel-reinforced concrete.
The second, surrounding the first, is steel-reinforced concrete that is about four feet thick.