Low, moderate and high rise buildings
Low, moderate and high rise buildings
(OP)
thread507-378829: Free PDF documents by PCA on concrete design/analysis to ACI 318-11
How do we define low, moderate and high rise buildings in terms of height or storey numbers?
Are there provisions in some codes as to these definition(ACI/ASCE/IBC)?
How do we define low, moderate and high rise buildings in terms of height or storey numbers?
Are there provisions in some codes as to these definition(ACI/ASCE/IBC)?






RE: Low, moderate and high rise buildings
1. Mean roof height h less than or equal to 18m.
2. Mean roof height h does not exceed least horizontal dimension.
Whereas, High-Rise Building may be considered as flexible, or slender buildings that have a fundamental natural frequency less than 1 Hz.
These definitions are according to the code.
RE: Low, moderate and high rise buildings
RE: Low, moderate and high rise buildings
2012 IBC definitions
HIGH-RISE BUILDING. A building with an occupied floor located more than 75 feet (22 860 mm) above the lowest level of fire department vehicle access.
ASCE 07-10 Wind definitions in chapter 26
BUILDING, LOW-RISE: Enclosed or partially enclosed buildings that comply with the following conditions:
1. Mean roof height h less than or equal to 60 ft (18 m).
2. Mean roof height h does not exceed least horizontal dimension.
RE: Low, moderate and high rise buildings
RE: Low, moderate and high rise buildings
RE: Low, moderate and high rise buildings