MASS User Documentation

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      • Introduction
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      • Introduction
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      • Loads Analysis Results
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      • Introduction
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      • A Complete Design
      • Load Analysis Results
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      • Element Deflection
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      • Interaction Diagram
    • Multi-Storey Shear Walls
      • Introduction
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      • Load Distribution
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      • Introduction
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Seismic

Technical

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

Does changing the analysis method effect the final results?   The process shown here is how MASS internally performs the analysis because the design is all done at the element level. If you are interested in how Vf,seismic is determined having only the information for one element available, this page Read more…

By Brad Crumb, 2 years2 years ago
Software Tips

Protip: Use the Multi-Storey Shear Wall Module to Design… Single Storey Shear Walls?

Yes, you did read that right! The Multi-Storey module can be used to break a single storey design into multiple shear wall elements.   With the release of MASS Version 4.0, a new module was announced that specifically deals with the design of shear walls where loads can be applied Read more…

By Brad Crumb, 2 years2 years ago
Recent Posts
  • 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
  • Version 4.0 Feature Spotlight: Ductility Verification
  • Version 4.0 Feature Spotlight: Simplified National Building Code Seismic Design
  • Bug Notification: Out-of-Plane Shear Resistance checked only at location of maximum shear
  • Known Bugs in MASS
  • MASS Version 4.0 is now available – adds multi-storey design and more earthquake design options
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