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...Continue reading
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 ...Continue reading
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...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 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 Brad Crumb 0 comments The storey-by-storey design approach currently in MASS can excessively amplify shear forces beyond expected results In cases...Continue reading
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...Continue reading
12 Jan Announcements, Software Tips Version 4.0 Feature Spotlight: Ductility Verification January 11, 2021 Posted by 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 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...Continue reading
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...Continue reading
13 Apr Technical Why ISN’T the Factored Shear Force Scaled up for a Seismic Design? May 12, 2020 Posted by Brad Crumb 0 comments While you might not have expected it, MASS has it's reasons for leaving your factored shear alone - even with earthquake loads applied ...Continue reading
01 Apr Technical Bonus Post: What happens when you treat a Multi-Storey Design as an Element when Increasing Factored in-Plane Shear ? May 12, 2020 Posted by Brad Crumb 0 comments Does changing the analysis method effect the final results? The process shown here is how MASS internally performs the analy...Continue reading
18 Feb Software Tips How MASS Aligns Vertical Bars in a Multi-Storey Shear Wall December 2, 2020 Posted by Brad Crumb 1 comment The method used by MASS to get bars to align is fairly complicated but gets the job done. One early point of feedback in the...Continue reading
06 Jan Software Tips, Technical Protip: Use the Multi-Storey Shear Wall Module to Design… Single Storey Shear Walls? January 8, 2020 Posted by Brad Crumb 2 comments Yes, you did read that right! The Multi-Storey module can be used to break a single storey design into multiple shear wall elements. &...Continue reading