RISAConnection Changelog

What's new in RISAConnection 13.0.0

Mar 24, 2022
  • Added a new Extended Shear Tab without gusset connection
  • Added an extended shear tab with top gusset plate option for diagonal vertical brace connections.
  • Added a new Detail View when opening a new connection that gives users more control over specific parameters when opening a new connection.
  • Updated text of 'Material Strengths' units to 'Material Stiffness'.
  • Corrected an issue that was preventing base plate integration from RISA-3D.
  • Updated the location that user data files are stored during default installation to prevent certain file access issues.
  • Resolved an issue where forces associated with double sided connections were not transferred correctly to RISAConnection.
  • Changed K to be 0.5 for Brace to Column Base Plate Connections to align with AISC Design Guide 29.
  • Resolved an issue where the bolt bearing strength was erroneously reported as 0 in the Bolt Bearing on Girder check for double clip angle shear connections.
  • Removed extraneous column checks from the Top Gusset/Beam tab of a vertical brace connection.
  • Corrected the Uniform Force Method Distribution of Forces applied to both the Beam and Column when using a Vertical Brace Diagonal Connection Type.
  • Fixed typos for the bolt callouts in the printed report.
  • Corrected an issue related to custom shapes that made the program close unexpectedly during integration.
  • Corrected an issue where using ASTM A500 Grade C material was not being considered acceptable for HSS column ductility
  • Corrected an issue where the filler metal classification strength (FEXX) was not properly considering the type of electrode selected.
  • Fixed an issue with the safety factor for PJP weld capacity under ASD design.
  • Resolved an invalid connection error for some Girder/Beam Shear Tab connections.
  • Corrected an issue where some of the units for the chevron brace required load were being reported incorrectly.
  • Resolved an issue where double-sided shear connections wouldn't integrate from RISA-3D.
  • Added warning message clarification that states when a knee brace connection uses the default configuration of brace to beam.
  • Corrected the code check for plate elements subjected to out-of-plane loads (for in-plane moments load case) per AISC 360-16 equations 9-32 and 9-33.
  • Fixed an issue where modifying the Transverse Stiffeners for a connection group caused the program to close unexpectedly.
  • Corrected web doubler plate weld calculations to follow section 4.4-7 of the AISC Design Guide 13.
  • Resolved an issue where the Column Shear Splice connection was not recognized in RISA-3D if the column stack was rotated.

New in RISAConnection 7.0.1 (Jan 22, 2018)

  • Added Base Plate Design
  • Added Knee Brace Design
  • Enhanced Column Connections
  • Enhanced Connection Management

New in RISAConnection 4.0.2 (May 30, 2014)

  • Added compatibility for the RISA-Tekla Link V4
  • Updated INI file behavior to explicitly add the database directory default location at the creation of the INI file.
  • Corrected an issue with the bolt prying calculations for the CSA code and single angle shear connectors.
  • Corrected a display issue where shapes that did not have a root / k value defined could cause odd images in the 3D view.

New in RISAConnection 4.0.1 (May 30, 2014)

  • Improved integration with RISA-3D v12.0 and RISAFloor 8.0.
  • Added connection design for symmetric tapered wide flange member ends.
  • Enhanced the web yielding, buckling, and crippling calculations to include increased capacity when doubler plates are included.
  • Improved the behavior of the program when the RISAConnection.INI file is not present or has missing data.
  • Improved the Block Shear capacity calculation for uncoped beams. Previous versions were using a capacity which ignored the presence of the beam flange.
  • Corrected an issue where the Canadian Steel Design Code was erroneously reporting code checks for HSS connections.
  • Corrected an issue where the program was over conservatively using the 0.85*Ag maximum net area limit for cases that were not similar to bolted splice plates.
  • Fixed the ability to directly type in a member shape within the Project Properties rather than choosing it from the Shape Selection dialog.

New in RISAConnection 4.0.0 (Dec 21, 2013)

  • Enhancements / Corrections:
  • Added HSS connections:
  • Slotted brace connections for HSS Tube and Pipe braces
  • Knife Plate brace connection for HSS Tube and Pipe braces
  • End Tee connections for HSS Tube and Pipe braces
  • HSS Tube and Pipe columns for Shear Tab connections
  • HSS Tube columns for Clip Angle and End Plate shear connections
  • Added connections for the Canadian (S16-09) steel code:
  • Shear Tab connections to column or girder
  • Clip Angle connections to column or girder
  • Direct Weld Moment connection
  • Flange Plate Moment connection
  • Added metric bolt materials (A325M and A490M) as well as metric bolt sizes
  • Added Canadian materials for members and welds
  • Added WT Braces for Diagonal and Chevron braces.
  • Enhanced Bolt Prying calculations so that prying forces are included with Bolt Tension code checks.
  • Improved the calculation of the Shear Lag Factor (U) for angle braces to be less conservative based on the larger value of Case 2 or 8 from AISC Table D3.1.
  • Improved the bolt bearing calculations per user note in AISC 14th edition section J3.10.
  • Added the ability to save defaults in the Global Parameters dialog.
  • Added the ability to save defaults in the Units dialog.
  • Improved the formatting of printed output.
  • Changed the Panel Zone Shear limit state check to be based on panel zone shear demand rather than moment.
  • Moved registry information from HKey Local Machine to HKey Current User to better comply with Windows best practices.
  • Removed the Column Flange Bending limit state from the Column/Beam Shear Tab connection as it doesn't apply.
  • Corrected the Stiffener Compression checks for moment connections which were previously considering the capacity of just one of the two stiffeners.
  • Corrected the value used for Block Shear Reduction Coefficient (Ubs) for braces with multiple rows of bolts.
  • Corrected an issue where the 8 Bolt End Plate Moment connections were not correctly reporting a failure in the Bolt Prying assumptions.
  • Corrected a reporting issue with Stiffener Weld Limitations on column transverse stiffeners where a failure was erroneously reported.
  • Corrected a report printing issue where results from a load combination that did not govern may have been printed erroneously.
  • Corrected a problem with the bolt edge distance calculation for the Minimum Edge Distance check.
  • Corrected an issue in AISC where conventional shear tab connections were designed as if they were extended.

New in RISAConnection 3.0.1 (Aug 10, 2013)

  • Modified the program to better support the RISA]Tekla link
  • Enhanced the connection grouping behavior for integration with RISA]3D and RISAFloor. Properties which
  • previously could only be modified at the connection group level may now be modified for individual
  • connections within the group.
  • Added slip critical information to DXF drawing output
  • Enhanced the compression capacity calculations for various failure states to consider the case when KL/r > 25
  • Removed Max Weld Length limitations in a number of connections for which it was not deemed applicable
  • Overhauled the Rotational Ductility checks for shear tab connections. Previous checks were overly
  • conservative
  • Modified weld assumptions for end plate shear connections to neglect fillet distance on either side of plate per
  • AISC design examples.
  • Improved the way we report local buckling checks for end plate stiffeners
  • Corrected an issue in integration with RISA]3D / RISAFloor where RISAConnection could identify the wrong
  • governing LC
  • Corrected a units conversion issue with RISA]3D / RISAFloor integration for cases where strength and stress
  • units were not consistent
  • Corrected an issue where weld strength of doubler plates was incorrectly using the 1.5 strength increase factor
  • intended for welds loaded at 90 degrees
  • Corrected an issue where the plate flexural buckling check (for shear tab connections) was being overly
  • conservative with its calculation of shear demand
  • Corrected an issue where continuity plate stiffener welds were not correctly accounting for weld angle in the
  • base material proration factor calculation
  • Corrected an issue where 8ES bolted end plate connections were not identifying a failure with the bolt prying
  • assumptions

New in RISAConnection 3.0 (Aug 10, 2013)

  • Added the AISC 360]2010 (14th edition) steel code.
  • Added the ability to add and design column transverse stiffeners and web doubler plates for moment
  • connections.
  • Added a Directly Welded beam to column moment connection.
  • Added a Directly Welded moment splice connection.
  • Updates to Bolted End Plate Moment Connections
  • o Added 8 bolt option for the bolted end plate moment connections.
  • o Added thin plate/prying considerations per AISC Design Guide 16.
  • Updates to Vertical Brace Connections
  • o Removed the restriction on gusset plate aspect ratios for bracing connections. This expands the
  • geometry options available and removes the Uniform Force Method restrictions.
  • o Added the ability to use non]concentric brace work points.
  • o Added the design of gusset plate to beam or column connections to resist moment.
  • o Major revisions to the chevron brace connection analysis and limit states. The Uniform Force Method is
  • no longer used for this connection as it was found to not be applicable.
  • Added a Report Printing Generator to allow quick printing of multiple connections at once.
  • Added 1/2" bolt sizes to all connection types.
  • Added the ability to use full depth shear tab connections.
  • Added compatibility to support the upcoming release of the RISAConnection/Tekla Structures Link.
  • Release Notes
  • Allow the option to switch between a welded or bolted connection for a column moment plate splice
  • connection.
  • Added the ability to consider moment due to eccentricity in clip angle shear connections.
  • Added a check for combined tension and shear in bearing]type connections.
  • Modified shear tab flexural yielding and rupture checks to better account for the interaction between flexure
  • and axial forces and be more consistent with the AISC 14th edition manual.
  • Corrected metric weld units to be mm instead of 16ths of an inch.
  • Corrected an issue with the max edge distance for bolts.
  • Corrected multiple locations where single angle bolt shear checks were doubling the capacity.
  • Corrected an issue that gave incorrect results for plate flexural yielding checks.
  • Converted the .NET Framework to 4.0 for Windows 8 compatibility.

New in RISAConnection 2.0 (Jun 6, 2012)

  • Added Vertical Brace Connections (Concentric):
  • Supports both Diagonal and Chevron brace configurations.
  • Includes the design of all gusset connections.
  • Utilizes the Uniform Force Method.
  • Includes the design of the gusset plate (Whitmore Section).
  • Added axial loads to existing shear and moment connections:
  • Checks to see if bolt prying applies.
  • Considers the angle of the load resultant for bolt and weld checks in combined shear and axial connections.
  • Added column and beam splice connections (Shear and Moment).
  • Added DXF export of connection details.
  • Added foreign steel shape databases.
  • Improved the warning / error messaging system between RISA-3D/RISAFloor and RISAConnection.
  • Removed the Max Flange Thickness (Fillet) check from Flange and Web Weld Limitations based on AISC clarification that this was only a suggestion (for non-seismic connections).

New in RISAConnection 1.1 (Jun 6, 2012)

  • Added integration with RISAFloor and RISA-3D. This feature will bring all materials, geometry, shapes and loading from your RISAFloor or RISA-3D model directly into RISAConnection. See the RISAFloor and RISA-3D Integration topic for more information.
  • Added the ability to read foreign shape databases read from database files. Australian, British, Canadian, Chilean, Chinese, European, Indian and Mexican shapes databases are now available.
  • Fixed an issue with the Beam Shear Yield check where the capacity for coped sections was based on the uncoped dimensions.
  • Fixed an issue where the graphical cut-off of the beam in the three dimensional view incorrectly affected the edge distance checks.
  • Corrected a problem with PJP welds incorrectly reporting a filler metal mismatch.