reinforced concrete

US /ˌriːɪnˌfɔːrst ˈkɑːŋkriːt/
UK /ˌriːɪnˌfɔːrst ˈkɑːŋkriːt/
"reinforced concrete" picture
1.

hormigón armado

concrete in which steel bars or mesh have been embedded to strengthen it

:
The bridge was constructed using reinforced concrete.
El puente fue construido con hormigón armado.
Many modern buildings rely on reinforced concrete for structural integrity.
Muchos edificios modernos dependen del hormigón armado para su integridad estructural.