June 17, 2016
Why Do Seismic Brace Story Forces Change My Existing Code Checks?
It is possible for seismic (OCBF or SCBF) vertical braced connections to have some limit state code checks lower than those for the same non-seismic connection.
The winter months bring a unique set of challenges to structural engineering: projects slow down, site conditions become less predictable, and downtime can be harder to avoid. However, this season also brings opportunities to work smarter, streamline workflows, and plan ahead for a productive year. Here’s how you can help keep projects on track even in the frostiest months. 1. Winter Prep: Tackle Delayed Analysis Cold weather is often the perfect time to tackle those time-intensive analyses that may have been put on the back burner. With RISA-3D’s robust modeling environment, winter downtime becomes the ideal chance to dive into in-depth analysis and design. RISA-3D lets you quickly model complex geometries and visualize load paths in ways that manual calculations simply can’t replicate. And for foundation design, RISAFoundation can handle everything from frost heave assessments to wind uplift forces, enabling you to get the clearest picture of how your structures will withstand winter’s impact. Take advantage of the winter slowdown to refine and validate your foundation designs, ensuring every project element is prepared to endure the season. 2. Expand Your Toolset with RISA’s Comprehensive Training Programs Winter is an ideal time for skill building. RISA offers a range of training…
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It is possible for seismic (OCBF or SCBF) vertical braced connections to have some limit state code checks lower than those for the same non-seismic connection.
Vertical Diagonal Brace connections and Vertical Chevron Brace connections may be designed as Special Concentric Braced Frame (SCBF) connections in RISAConnection v6.
This webinar shows users how to design and detail brace connections including gussets to meet the AISC 341/358 Seismic Provisions.
Vertical Diagonal Brace connections and Vertical Chevron Brace connections may be designed as Ordinary Concentric Braced Frame (OCBF) connections in RISAConnection v6.
RISAConnection v6 has introduced the ability to design vertical brace connections per the seismic design provisions of the AISC 341-10 Seismic Design Manual.
The Pacific Earthquake Engineering Research center (PEER) has a large library of measured earthquake records. Below is an example of how to quickly convert one of these records into a format that can be imported into RISA.
Time history analysis solves for normal analysis results (joint displacements, member forces, code checks, etc.) based on loading that varies with time. For some analyses it may be useful to view an animation of the deflected shape of the structure as a function of time. This blog topic serves as a...
In the Seismic Loads dialog there is a checkbox for “Include structure weight in base shear”.
RIAFloor designs the gravity system and then integrates with RISA-3D to design the lateral system. Only the lateral members are taken from RISAFloor over to RISA-3D. The loading is automated in this integration so one of the most common questions is: what loads are transferred when switching from...
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