Bug Notification Archives - MASS User Documentation

11 Jun

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...

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 ...

30 Mar

Bug Notification, Software, Technical

MASS Bug Notification: Maximum Allowable Axial Load Overestimated for some Shear Walls with Fully Grouted Flanges

February 8, 2021
Posted by Brad Crumb

Understanding the issue, when it can come up, and what can be done to account for it When software bugs are found, notifications are p...

30 Mar

Bug Notification, Software, Troubleshooting

MASS Bug Notification: Software Crashes Unexpectedly

March 30, 2020
Posted by Brad Crumb

Ever had MASS stop working while working on a design? You aren't alone! In any windows architecture application, there is a limit of 1...

24 Dec

Bug Notification

MASS Bug Notification: Saved Projects and French Canadian Language Settings

January 7, 2021
Posted by Brad Crumb

Depending on keyboard or Windows system settings, it is possible to re-open a project file and see different results Have you ever sav...

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

Bug Notification

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

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

Known Bugs in MASS

MASS Bug Notification: Maximum Allowable Axial Load Overestimated for some Shear Walls with Fully Grouted Flanges

MASS Bug Notification: Software Crashes Unexpectedly

MASS Bug Notification: Saved Projects and French Canadian Language Settings

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