Designing a structure to resist earthquakes requires several considerations that can be ignored in design to resist most other loads. The loading is more severe, the permissible response will usually […]
The 2020 NEHRP Provisions and ASCE/SEI 7-22 incorporate several notable changes to seismic design of diaphragms. This includes expanded applicability of the ASCE 7-16 Section 12.10.3 alternative design provisions for diaphragms, originally […]
The 2020 NEHRP Provisions and ASCE/SEI 7-22 incorporate several notable changes to seismic design of diaphragms. This includes expanded applicability of the ASCE 7-16 Section 12.10.3 alternative design provisions for diaphragms, originally […]
Coupled shear wall systems are recognized as distinct from isolated shear wall systems in Canadian and New Zealand codes; they are also accorded higher response modification factors in view of […]
The 2020 NEHRP Provisions developed major updates to nonstructural seismic design provisions which were then adapted for Chapter 13 of ASCE/SEI 7-22. The primary focus of the updates is the equation used to determine […]
The 2020 NEHRP Provisions developed major updates to nonstructural seismic design provisions which were then adapted for Chapter 13 of ASCE/SEI 7-22. The primary focus of the updates is the equation used […]
Evolution of Seismic Design Values over the Years The 2020 NEHRP Provisions, and ASCE 7-24 that is based on it, adopt a new USGS ground motion model that incorporates stie […]
New Multi-Period Response Spectra and Ground Motion Requirements This presentation summarizes a comprehensive set of new multi-period response spectra (MPRS) and related ground motion requirements of the 2020 edition of […]
Cross Laminated Timber (CLT) Shear Wall Design Example Seismic force resisting systems based on Cross Laminated Timber (CLT) shear walls have garnered considerable attention for use in building structures around […]
Composite Plate Shear Wall / Concrete Filled (C-PSW/CF), also known as the SpeedCore system, is an efficient seismic force-resisting system for buildings. Two types of C-PSW/CF systems are possible: coupled […]
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