March 4, 2021

Video: Composite Steel Beam Design in RISACalc

Learn how to load and design individual composite beams according to AISC and CSA design codes in RISACalc.

Tags: RISA, New, Composite Steel, RISACalc

September 6, 2017 | RISA-3D, RISAFloor, New, Wood, Canadian

Canadian Wood Design Updates

The latest releases of RISAFloor and RISA-3D include the following updates to wood design per the Canadian codes: Wood Wall Design RISA-3D v16 and RISAFloor v12 now offer design of wood walls per the Canadian wood design codes (CSA O86-09 and CSA O86-14). The design methodology is very much like the Segmented method used by the NDS design codes. Design requires chords on each side of each full height panel. Design assumes that the areas above and below openings have zero stiffness. Only full height piers are considered to resist loading. Additionally, the design of individual panel elements is as follows: The sheathing panel is assumed to resist the in plane shear The chords are assumed to resist the overturning moment The studs are assumed to resist the axial load The hold downs are designed for the governing tension chord force at the base elevation of the wall Deflections, including the effects if hold-down elongation, are calculated per the code based equation For more information on wood wall design, please see the “Wood Wall” topic in the program help file. Structural Composite Lumber Design RISA-3D v16 and RISAFloor v12 will also now offer design of structural composite wood members per…

January 7, 2016 | RISA-3D, RISAFloor, RISA-2D, New, Wood

Mechanically Graded Wood Design now Available

Mechanically graded wood materials have been added for the AWC NDS 2015 design code per Table 4C, and CSA O86-14 design code per tables 6.3.2 and 6.3.3. This specification includes the updated MEL and MSR design values. A Mechanically Graded material can be selected in the Material spreadsheet in the Wood tab. The user can choose any of the existing species that are applicable, per NDS table 4C Footnote 2, from the Species dropdown menu. The shear capacity design value, Fv, depends on the species selected for the material. There are 85 new grade options available in the Grade dropdown menu from the MSR and MEL tables in the code. The Custom Wood Properties dialog now allows the user to input more specific material. Mechanically Graded wood materials can be utilized in this dialog by choosing MEL or MSR in the Type dropdown menu. To access the Custom Wood Properties input dialogue, click the Custom Wood button on the Advanced tab. This can also be accessed In the Wood Material Properties spreadsheet by selecting Custom from the Type dropdown menu, and then click the ellipses in the Species cell. Additionally, a custom wood size factor can now be entered in…

August 15, 2023 | RISA-3D, RISAFloor, Wood

RISA | Custom Wood Materials and Wood Schedules in RISA

In RISAFloor (and RISA-3D), the entire NDS species list is available as well as glulam materials but you may need to design a wood product that is not available in the program. In RISAFloor, you can create custom wood materials and wood schedules. Save these to your RISA databases and then your custom wood materials can be read in RISAFloor and RISA-3D. CUSTOM WOOD MATERIAL Three typical ways to create custom wood material in RISAFloor Shape Selection Tool Materials Spreadsheet Custom Wood Species Database OPTION 1: Choose the Shape Selection Tool. Navigate to the Wood tab. Create Wood Material under Material Selection by clicking the ellipsis. OPTION 2: Choose the Materials Spreadsheet from your Data Entry Spreadsheets. Click the red arrow to open the Select Custom Material window. Enter your custom material properties. OPTION 3: Enter custom wood material in the toolbar Spreadsheets. Choose Custom Wood Species Database. Enter your custom wood properties here. CUSTOM WOOD SCHEDULE Each database of wall panels is specified by an XML file in the "Shear Panels" sub-directory of the Wood Wall panels directory. This directory is located based on the information in the File Locations tab of the Application Settings dialog (By default C:…