Local jurisdictions in my area recently started to adopt IBC 2021, so we are implementing ACI 318-19 on our projects for the first time. I have concerns about the new shear provisions. Updated equations are included in ACI 318-19, Table 22.5.5.1. At first glance it looks like the familiar...
Please refer to IEBC 2015 section 907.4.1 regarding existing structural elements resisting lateral loads:
"An engineering evaluation and analysis that establishes the structural adequacy of the altered structure shall be prepared by a registered design professional and submitted to the code...
There are many reasons engineers are interested in connecting masonry stair walls to the primary structure. For shear wall applications a connection is needed to transfer forces out of the floor diaphragm and into the masonry. Sometimes it would be nice to brace masonry walls to the floor to...
We have a difference of opinion in our office, and I am hoping to get clarification from some other colleagues. IBC 3403.2 permits an increase in gravity load on the existing structure, provided the stresses in the member do not increase by more than 5%. The language varies slightly between...
