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 design forces for nonstructural components, but there are updates to other provisions as well. The training will be given in two parts. Part […]
Webinar
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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 class and basin effects directly into the calculation of gridded seismic design values. For the first time, these values are available only through an on-line […] |
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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 the NEHRP Recommended Provisions (and ASCE/SEI 7-22). These changes collectively improve the accuracy of the frequency content of earthquake design ground motions and enhance the reliability of the […] |
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