Tag Archives: Seismic Design
Bug Notification: Drift Values instead of Elastic Deflections used for Inelastic Rotational Demand
The current MASS approach in Version 4.0 means that linear elastic deflections are over-corrected in a way that largely overestimates d...
Notification: Seismic Shear Forces Amplification Change for Elements Above Critical Section
The storey-by-storey design approach currently in MASS can excessively amplify shear forces beyond expected results
In cases...
Why doesn’t MASS consider Type 6 Structural Irregularities?
With MASS Version 4.0 moving into Multi-Storey Shear Wall design, why doesn't the software check for something that seems squarely with...
Failed the Ductility Verification? How to Pick a Higher εmu, the Maximum Compressive Strain
The addition of boundary elements to MASS Version 4 (as well as CSA S304-14) means that failing a ductility verification is not the end...
Why is the Factored Shear Force Scaled Up for Seismic Considerations on a Shear Wall Design?
Explaining these clauses and how they are applied
Questions about the seismic effects on shear resistance? Click here for a ...
Checking Vf,seismic for a Multi-Storey Shear Wall
Taking seismic effects into account in MASS can be confusing. Seeing factored shear forces scaled up by over 100% in some cases may see...