Abstract
AbstractPerformance-based wind design (PBWD) allowing inelastic behavior under extreme wind load has only been recently considered for design of high-rise buildings. Unlike performance-based seismi...
Highlights
For structural design, the main lateral loads considered are typically wind and seismic (Kang et al 2013; Alinejad and Kang 2020)
Due to the relatively short length of the coupling beams, the coupling beams are subject to larger deformation than the shear walls (Lequesne et al 2016)
Preliminary performance-based wind design (PBWD) of the case study reinforced concrete (RC) building was carried out using time-history wind load generated from power spectral density (PSD) functions
Summary
The main lateral loads considered are typically wind and seismic (Kang et al 2013; Alinejad and Kang 2020). The structure is permitted to yield, in seismic design, to introduce inelastic behavior, and a response modification factor R (or RE) is employed. Only elastic behavior is permitted in the strength design of conventional wind design codes. The difference in design philosophy causes complications in the design of high-rise buildings for wind and seismic loads. Wind load can exceed that of seismic load, which is reduced by an RE factor, as the height of the building increases. Current elastic wind design requirements often lead to the need for excessive stiffness and strength of horizontal members such as beams, coupling beams, and braces. Due to overdesigned fuse elements, vertical members and joints under seismic load increase
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