Title: Seismic design force level for precast concrete diaphragms
Date Published: March - April 2022
Volume: 67
Issue: 2
Page Numbers: 20 - 33
Authors: S. K. Ghosh

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This paper provides guidance for determining seismic design force level for topped precast concrete diaphragms. This has been a controversial topic ever since ASCE/SEI 7-16, Minimum Design Loads and Associated Criteria for Buildings and Other Structures, introduced a section titled “Alternative Design Provisions for Diaphragms” and mandated its use for precast concrete diaphragms in buildings assigned to seismic design category C, D, E, or F.