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Tag Archives: earthquake design

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08 Feb

Bug Notification

Bug Notification: Non-Seismic Lateral Companion Loads Amplified for Seismic Effects

April 19, 2021
Posted by Brad Crumb
0 comments

Be aware of this for shear wall designs resisting lateral earth pressures In cases where a bug or other issue is found in th...

11 Jan

Announcements, Software Tips

Version 4.0 Feature Spotlight: Simplified National Building Code Seismic Design

February 9, 2021
Posted by Brad Crumb
0 comments

Added to the 2015 National Building Code of Canada is a new design pathway that can be used for areas with very low seismic hazard leve...

20 May

Technical

Failed the Ductility Verification? How to Pick a Higher εmu, the Maximum Compressive Strain

July 27, 2020
Posted by Brad Crumb
1 comment

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...

13 Apr

Technical

Why ISN’T the Factored Shear Force Scaled up for a Seismic Design?

May 12, 2020
Posted by Brad Crumb
0 comments

While you might not have expected it, MASS has it's reasons for leaving your factored shear alone - even with earthquake loads applied ...

01 Apr

Technical

Bonus Post: What happens when you treat a Multi-Storey Design as an Element when Increasing Factored in-Plane Shear ?

May 12, 2020
Posted by Brad Crumb
0 comments

Does changing the analysis method effect the final results? The process shown here is how MASS internally performs the analy...

01 Apr

Technical

Checking Vf,seismic for a Shear Wall Element

May 12, 2020
Posted by Brad Crumb
0 comments

Taking seismic effects into account in MASS can be confusing. Seeing factored shear forces scaled up by over 100% in some cases may see...

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Conventional Construction Comprehensive Analysis Example

Change Notification: Axial Load Limit for Conventional Construction Walls

MASS Version 4.2 Release Notification

Deflection Check for Out-of-Plane Walls

Change Notification: Lambda Values for Beam Density and Shear

Bug Notification: Drift Values instead of Elastic Deflections used for Inelastic Rotational Demand

Bug Notification: Seismic reinforcement spacings applied to all shear walls resisting an earthquake load

Notification: Seismic Shear Forces Amplification Change for Elements Above Critical Section

Bug Notification: Non-Seismic Lateral Companion Loads Amplified for Seismic Effects

Tag Archives: earthquake design

Bug Notification: Non-Seismic Lateral Companion Loads Amplified for Seismic Effects

Version 4.0 Feature Spotlight: Simplified National Building Code Seismic Design

Failed the Ductility Verification? How to Pick a Higher εmu, the Maximum Compressive Strain

Why ISN’T the Factored Shear Force Scaled up for a Seismic Design?

Bonus Post: What happens when you treat a Multi-Storey Design as an Element when Increasing Factored in-Plane Shear ?

Checking Vf,seismic for a Shear Wall Element

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