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Everything you need to know about getting up and running with the MASS software

GET TO KNOW MASS

Getting to Know MASS

An overview of the program and the beam, wall, and shear wall modules.

BEAMS OUT-OF-PLANE WALLS SHEAR WALLS MULTI-STOREY SHEAR WALLS SHEARLINE

MASS Modules

Learn more about MASS modules.

MASS DOCUMENTATION

LATEST NEWS

Read the most recent updates, announcements, or articles covering more specific techncial topics which are linked to from the main software documentation

11 Jun

Bug Notification, Technical

Change Notification: Lambda Values for Beam Density and Shear

June 25, 2021
Posted by Brad Crumb
0 comments

Deviating from the CSA Standards to better reflect practical design While the existing implementation for MASS Versions 3.0 ...

21 Apr

Bug Notification, Technical

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

April 21, 2021
Posted by Brad Crumb
0 comments

The current MASS approach in Version 4.0 means that linear elastic deflections are over-corrected in a way that largely overestimates d...

19 Apr

Bug Notification, Technical

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

August 11, 2021
Posted by Brad Crumb
0 comments

While most seismic requirements are triggered by the application of an earthquake load, MASS is too stringent on it's reinforcement spa...

09 Mar

Bug Notification

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

June 17, 2021
Posted by Brad Crumb
0 comments

The storey-by-storey design approach currently in MASS can excessively amplify shear forces beyond expected results In cases...

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...

12 Jan

Announcements, Software Tips

Version 4.0 Feature Spotlight: Ductility Verification

January 11, 2021
Posted by Brad Crumb
0 comments

Moderately Ductile and Ductile shear walls can now be designed within MASS to satisfy the ductility verification (required by CSA S304-...

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...

11 Nov

Bug Notification, Technical

Bug Notification: Out-of-Plane Shear Resistance checked only at location of maximum shear

January 13, 2021
Posted by Brad Crumb
1 comment

While not always calculated at the critical location of a wall, out-of-plane walls are typically governed by flexure. In cas...

11 Nov

Bug Notification, Troubleshooting

Known Bugs in MASS

April 6, 2021
Posted by Brad Crumb

Bugs are found from time to time and in our effort to be trustworthy and transparent, they are posted here as well as appearing on the ...

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Getting Started

Getting to Know MASS

MASS Modules

LATEST NEWS

BEAMS

OUT-OF-PLANE WALLS

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SHEARLINE

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