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Technical

30 Jan

Technical

Conventional Construction Comprehensive Analysis Example

January 31, 2024
Posted by Gurparam Kang
0 comments

Are you curious about how MASS conducts a detailed analysis of Conventional Construction walls through its Comprehensive Analysis metho...

29 Jan

Technical

Change Notification: Axial Load Limit for Conventional Construction Walls

January 31, 2024
Posted by Gurparam Kang
0 comments

The axial load limit for a Conventional Construction shear wall with a seismic hazard exceeding 0.35, currently in MASS, complicates th...

10 Jan

Software, Software Tips, Technical

Deflection Check for Out-of-Plane Walls

January 30, 2023
Posted by Gurparam Kang
0 comments

When designing out-of-plane cantilever walls subjected to lateral loads, the MASS software can be used to check the wall’s deflection a...

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...

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...

25 May

Technical

Why doesn’t MASS consider Type 6 Structural Irregularities?

August 13, 2020
Posted by Brad Crumb
1 comment

With MASS Version 4.0 moving into Multi-Storey Shear Wall design, why doesn't the software check for something that seems squarely with...

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...

22 Apr

Technical

Multi-Storey Drift Example: Done by hand! (Video)

May 27, 2020
Posted by Brad Crumb
2 comments

Have questions about how MASS Determines drift values? Have no fear! (and prepared to dive deep into hand calculations) Th...

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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

Technical

Conventional Construction Comprehensive Analysis Example

Change Notification: Axial Load Limit for Conventional Construction Walls

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

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

Why doesn’t MASS consider Type 6 Structural Irregularities?

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

Multi-Storey Drift Example: Done by hand! (Video)

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