☑️ Concrete buildings
It is a building that uses reinforced concrete for its main skeleton. In this type of building, the roofs are covered by concrete slabs.
☑️ Metal buildings
🔸 In this type of buildings, steel profiles are used to build columns and bridges.
🔸In Iran, double iron beams or single wide wings are usually used to build columns.
🔸In this type of building, metal windbreaks are used to deal with earthquakes.
☑️ Brick and mud buildings
The main skeleton of this type of building is made of clay and mud, and the number of floors does not exceed one floor, and they do not resist side forces such as earthquakes in any way.
☑️ Wooden buildings
