August 21, 2019
RISA-3D v18 Sneak Peek Videos
The new release of RISA-3D is right around the corner! Check out our teaser videos to enjoy a sneak peek at some of the most exciting new features!
August 7, 2019
RISA Employees Volunteers at Second Harvest Food Bank
Last week, RISA employees spend two days volunteering at the Second Harvest Food Bank of Orange County, CA. Both days were spent at the Food Distribution Center, where staff and volunteers worked together to sort, package and distribute enough food to feed 250,000 men, women and children each...
July 12, 2019
Implementing Realistic Behavior for T/C Members in RISA-3D
Tension or Compression (T/C) Only members are commonly used in steel buildings when modeling braced frames that resist lateral load.
June 20, 2019
Understanding Wall Panel Forces with Rigid Diaphragms
When modeling building structures using steel or composite steel floors, engineers typically utilize rigid diaphragms to distribute lateral loads (wind and seismic) to lateral load resisting elements such as shear walls, moment frames and braced frames. Rigid diaphragms represent a plane of very...
May 16, 2019
Pinned Beams in Semi-Rigid Diaphragms
When using semi-rigid diaphragms in a RISAFloor/RISA-3D model, it is possible to see negative moments at the ends of pinned beams as a result of the link between the semi-rigid diaphragm and the beam-column connection.
May 2, 2019
RISA Employees Participate in 5th Annual Run4Water 5k
RISA employees and their families recently participated in the 5th Annual Run4Water 5k at Mile Square Park where they raised over $6,400 towards the construction of wells that provide access to clean water to communities in Uganda. Congratulations to everyone involved and for more information about...
March 28, 2019
Assigning Seismic Loads in RISA-3D
RISA-3D has two ways of automatically generating seismic-related Basic Load Categories (BLCs) which can be later referenced in the Load Combinations (LCs):
February 14, 2019
Connection Design per AISC 15th Edition Steel Manual now Available
Connection design according to the new AISC 360-16 (15th Ed.) Steel Manual has now been implemented in RISAConnection. To select this code for your design, simply choose either LRFD or ASD from the Solution tab within the Global Project Settings. The addition of the new 15th Edition code, includes...
February 14, 2019
Updates to HSS Connections (Chapter K) according to AISC 15th Edition…
The most recent release of AISC 360-16 (15th Edition) includes changes to connection design for rectangular HSS shapes with applied concentrated forces. These changes are now included in RISAConnection v10.