MASS User Documentation

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      • Introduction
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      • Introduction
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      • A Complete Design
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      • Element Deflection
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      • Interaction Diagram
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      • Introduction
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      • Introduction
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In-Plane Shear

Bug Notification

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

The storey-by-storey design approach currently in MASS can excessively amplify shear forces beyond expected results   In cases where a bug or other issue is found in the MASS software, announcements are posted on the software’s known bugs page, as well as on this page here. It is always encouraged Read more…

By Brad Crumb, 1 month1 day ago
Bug Notification

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

Be aware of this for shear wall designs resisting lateral earth pressures   In cases where a bug or other issue is found in the MASS software, announcements are posted on the software’s known bugs page, as well as on this page here. It is always encouraged that suspected bugs Read more…

By Brad Crumb, 2 months3 weeks ago
Recent Posts
  • 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
  • MASS Version 4.0 Release Notification
  • Version 4.0 Feature Spotlight: Online Activation Restored!
  • Why doesn’t MASS consider Type 6 Structural Irregularities?
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