Wind-induced interference effects on low-rise buildings with gable roof: Fid-Bau Portal

Wind-induced interference effects on low-rise buildings with gable roof

Li, Gang / Gan, Shi / Li, Yongxin / Wang, Li

AbstractPrevious studies have observed clear interference effects and differences in response from a building group against an isolated building. This study conducted numerical simulations for low-rise buildings under wind load to investigate the mean wind-induced interference effects between the buildings. The primary purpose is to reveal the characteristics of wind pressure distribution on gable roof of low-rise building considering interference effects such that practical wind-resistant design methods and measures can be proposed. Various arrangement modes, arrangement distances and wind direction angles were considered based on the Reynolds Stress Model (RSM) that was verified by a wind tunnel test. The results show that the strongest mean wind-induced interference effects occurred on the cornice of the interfered building for two of the same low-rise buildings. With regard to the arrangement of low-rise buildings, the tandem arrangement yields the largest effects, followed by the staggered arrangement and then the parallel arrangement. For the regular group of low-rise buildings, larger interference effects occurred on the roof of low-rise buildings that were located on the corners or outer parts of the groups.

Highlights•The wind pressure on gable roof of low-rise building considering interference effects are revealed.•The interference effects between the two buildings and among building group are investigated.•Various arrangement modes, arrangement distances and wind direction angles are considered.•The practical wind-resistant design methods considering interference effects are proposed.