It is used as a residential, office building, or other functions including hotel, retail, or with multiple purposes combined.
High-rise structures pose particular design challenges for structural and geotechnical engineers, particularly if situated in a seismically active region or if the underlying soils have geotechnical risk factors such as high compressibility. They also pose serious challenges to firefighters during emergencies in high-rise structures. New and old building design, building systems like the building standpipe system, HVAC systems (heating, ventilation, and air conditioning), fire sprinkler system and other things like stairwell and elevator evacuations pose significant problems.
Apartment buildings have technical and economic advantages in areas of high population density and have become a distinctive feature of housing accommodation in virtually all densely populated urban areas around the world. In contrast with low-rise and single-family houses, apartment blocks accommodate more inhabitants per unit of area of land.