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  • Home
  • Getting Started
    • Introduction to MASS
    • Installation Guide
    • Activation Guide
    • Computer Requirements
    • Where to Get Help
    • What’s new in Version 4.0?
      • Version History and Change Log
  • Getting to Know MASS
    • General Overview
    • Assemblage Modules
    • Creating a Project File
    • Adding, Renaming, and Removing
    • Saving a Project File
    • User Interface Overview
    • Design Steps
    • A Complete Design
    • Analysis
    • Printing
    • Masonry Unit Database
  • Modules
    • Beams
      • Introduction
      • Design Steps
      • A Complete Design
      • Design Strategy
    • Out-of-Plane Walls
      • Introduction
      • Design Steps
      • A Complete Design
      • Loads Analysis Results
      • Design Strategy
      • P-M Interaction Diagram
    • Shear Walls
      • Introduction
      • Design Steps
      • Boundary Elements
      • A Complete Design
      • Load Analysis Results
      • Design Strategy
      • Element Deflection
      • Self-Weight
      • Interaction Diagram
    • Multi-Storey Shear Walls
      • Introduction
      • Design Steps
      • Design Strategy
      • Load Distribution
      • Drift
    • Shearline
      • Introduction
      • Design Steps
      • Load Distribution
      • Pier Generation
      • Design Strategy
  • FAQs
    • Technical FAQ
    • Excluded Features
    • Known Bugs
    • Additional Resources
  • Latest Updates
    ANNOUNCEMENTS
    BUG NOTIFICATION
    LICENSING
    NEWS
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    SOFTWARE TIPS
    SOFTWARE
    TROUBLESHOOTING
    11 Jun
    Bug Notification, Technical

    Change Notification: Lambda Values for Beam Density and Shear

    • June 25, 2021
    • Posted by author-avatar Brad Crumb
    • 0 comments
    Deviating from the CSA Standards to better reflect practical design   While the existing implementation for MASS Versions 3.0 ...

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    21 Apr
    Bug Notification, Technical

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

    • April 21, 2021
    • Posted by author-avatar 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...

    Continue reading

    19 Apr
    Bug Notification, Technical

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

    • August 11, 2021
    • Posted by author-avatar 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...

    Continue reading

    09 Mar
    Bug Notification

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

    • June 17, 2021
    • Posted by author-avatar Brad Crumb
    • 0 comments
    The storey-by-storey design approach currently in MASS can excessively amplify shear forces beyond expected results   In cases...

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    08 Feb
    Bug Notification

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

    • April 19, 2021
    • Posted by author-avatar 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...

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    12 Jan
    Announcements, Software Tips

    Version 4.0 Feature Spotlight: Ductility Verification

    • January 11, 2021
    • Posted by author-avatar 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-...

    Continue reading

    11 Jan
    Announcements, Software Tips

    Version 4.0 Feature Spotlight: Simplified National Building Code Seismic Design

    • February 9, 2021
    • Posted by author-avatar 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...

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    11 Nov
    Bug Notification, Technical

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

    • January 13, 2021
    • Posted by author-avatar 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...

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    11 Nov
    Bug Notification, Troubleshooting

    Known Bugs in MASS

    • April 6, 2021
    • Posted by author-avatar 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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For all software related inquiries, please contact the MASS authorized technical support provider – Canada Masonry Design Centre.

Email: mass@canadamasonrycentre.com

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Simplify and accelerate the masonry engineering process with MASS. Design structural masonry elements in accordance with Canadian Codes and Standards
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  • Home
  • Getting Started
    • Introduction to MASS
    • Installation Guide
    • Activation Guide
    • Computer Requirements
    • Where to Get Help
    • What’s new in Version 4.0?
      • Version History and Change Log
  • Getting to Know MASS
    • General Overview
    • Assemblage Modules
    • Creating a Project File
    • Adding, Renaming, and Removing
    • Saving a Project File
    • User Interface Overview
    • Design Steps
    • A Complete Design
    • Analysis
    • Printing
    • Masonry Unit Database
  • Modules
    • Beams
      • Introduction
      • Design Steps
      • A Complete Design
      • Design Strategy
    • Out-of-Plane Walls
      • Introduction
      • Design Steps
      • A Complete Design
      • Loads Analysis Results
      • Design Strategy
      • P-M Interaction Diagram
    • Shear Walls
      • Introduction
      • Design Steps
      • Boundary Elements
      • A Complete Design
      • Load Analysis Results
      • Design Strategy
      • Element Deflection
      • Self-Weight
      • Interaction Diagram
    • Multi-Storey Shear Walls
      • Introduction
      • Design Steps
      • Design Strategy
      • Load Distribution
      • Drift
    • Shearline
      • Introduction
      • Design Steps
      • Load Distribution
      • Pier Generation
      • Design Strategy
  • FAQs
    • Technical FAQ
    • Excluded Features
    • Known Bugs
    • Additional Resources
  • Latest Updates
  • Contact Us
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