Concrete beam seismic design (ACI 318-19 update)
Summary
When working to the 2019 version of the code the ACI 318 seismic checks are amended as follows:
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Clause 18.6.3.1 - Changes in calculation of maximum area of flexural reinforcement for special moment frames (SMF)
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Clause 18.8.2.3 - Changes in check for maximum allowable bar diameter of flexural reinforcement for SMF
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Clause 18.6.4.4 - Changes in check for maximum allowable hoop spacing for SMF