Modeling Features

• Manage one model with RISAFloor, RISA-3D and RISAFoundation
• Parent/Child floors that let you mimic one floor within another, eliminating repetitive modeling or modifications
• Ability to graphically copy beams, columns, walls and joints on a floor level to another existing floor level
• Single project grid used on all floors and in RISA-3D/RISAFoundation
• Versatile drawing grids (orthogonal, radial, skewed, DXF underlay)
• Universal and Object Snaps allow you to draw without grids
• Automatic generation of grids, columns, girders, walls, in fill beams, properties, loads, slab edges and decks
• Powerful graphic select/unselect tools including box, line, polygon, invert, criteria, spreadsheet selection, with locking
• Construction lines for quick model generation and sketching
• Saved selections to quickly recall desired selections
• True spreadsheet editing with cut, paste, fill, math, etc.
• Dynamic synchronization between spreadsheets and views
• Constant in-stream error checking and data validation
• Unlimited undo/redo, automatic timed backup
• Modification tools that change multiple items at once
• Multiple diaphragms allowed at the same elevation
• Automatic interaction with RISASection custom shape libraries
• CIS/2 export, also DXF import/export
• Robust two-way link with Autodesk Revit 2024, 2023, 2022 & 2021
• User defined rebar for concrete floor slabs

Design Codes

• Steel Design Codes: AISC 360-16/10/05: ASD & LRFD, AISC 2nd & 3rd: LRFD, AISC 9th: ASD, CSA S16-14/09/05/01/CSA-S16.1-94, BS 5950-1: 2000, EN 1993-1-1:2014/2005, ENV 1993-1-1:1992, IS 800: 2007/1998, AS 4100-1998, NZS 3404: 1997
• Steel Joist Design Codes: SJI 42nd, 43rd, 44th, and 45th Edition
• Composite Steel Design Joists Codes: SJI 200-2015
• Seismic design per AISC 341-16/10/05, including 358 prequalified connections
• Concrete Design Codes: ACI 318-19/14/11/08/05/02/99, CSA A23.3-14/04/94, NTC-DF 2004, BS 8110-1: 1997, BS EN 1992-1-1: 2004+A1: 2014/2004, EN 1992-1-1:1992, IS 456: 2000, AS 3600-2001, NZS 3101: 1995, SBC 304-2007
• Cold Formed Steel Design Codes: AISI S100-16/12/10/07: ASD & LRFD, AISI NAS-04/01: ASD & LRFD, AISI 1999: ASD & LRFD, AISI 400-15 & AISI S240-15 (Walls), CSA S136-16/12/10/07/04/01: LSD, CANACERO 16: ASD, CANACERO 12/10/07/04/01: ASD & LRFD
• Wood Design Codes: AWC NDS-18/15: LRFD, AWC NDS-18/15/12: ASD, AF&PA NDS-08/05/01/97/91: ASD, CSA 086-14/09 Ultimate, Structural Composite Lumber, multi-ply, full sawn, Glulam, shear walls
• Masonry Design Codes: TMS 402-16: ASD & Strength, ACI 530-13/11/08/05/02: ASD & Strength, ACI 530-99: ASD, UBC 1997: ASD & Strength
• Wind loads are generated automatically (ASCE 7-16/10/05/02/98/95, NBC 15/10/05, NTC 2004, & IS 875: 1987) for building-type structures, including partial wind cases
• Seismic loads are generated automatically (ASCE 7-16/10/05/02, CBC 2001, IBC 2000, UBC 1997, NBC 15/10/05, NTC 2004, & IS 1893: 2002) for building-type structures, including accidental torsion

Analysis Features

• Finite element analysis
• Smart area loads (additive or exclusive in overlapping regions)
• Tapered area loads and tapered line loads (great for snow)
• Automatic 1-way or 2-way attribution of point, line and area loads to beams, walls and columns
• Automatic live load reductions (IBC, NBC, SBC, UBC)
• Automatic effective width calculations for composite beams
• Automatic checking of deck and slab spans
• Column stacks: Model columns splice point to splice point
• Simple or continuous beams with pinned or fixed ends, cantilevers
• Weak axis bending of members
• Detailed deflection analysis and control
• AISC Design Guide 11 beam vibration analysis (full floor)
• Automatic self-weight calculation
• User defined load combinations, easily edited in spreadsheets
• Long term deflection, including creep and shrinkage

Design Features

• Designs hot rolled steel (composite and non-composite), concrete, cold formed steel, steel joists, wood, wood joists and masonry
• Design for custom rebar layouts & Concrete rectangular beam detailing
• Column design accounts for skip loading and eccentricity
• Masonry wall design for in-plane, out-of-plane & bearing loads.
• Wood wall design including customizable hold downs & panel schedules
• Cold-Formed Steel Wall design including stud spacing and panel schedules
• Concrete wall design for in-plane, out-of-plane and bearing loads
• Automatic assignment of unbraced lengths with overrides
• Optimization of members per code, size and deflection criteria

Integrated Building Design

• RISAFloor, RISA-3D, RISAFoundation and RISAConnection are so tightly integrated they operate as one program on the same building model. Optimize the gravity system in RISAFloor, the lateral system in RISA-3D, the connection design in RISAConnection and the foundation system in RISAFoundation, with a free and complete flow of information both ways.
• Integration supported for the following versions: RISA-3D v22, RISAFloor v18, RISAFoundation v16 and RISAConnection v14
• Gravity loads are automatically applied & updated
• Lateral models created as you define & change floors
• Detailed reports for Wind and Seismic load calculations
• Combine all gravity and lateral loads in standard load combinations which can be edited by the user.
• All member end forces are automatically updated and sent to RISAConnection for complete connection design
• All reactions (columns and walls) are automatically imported into RISAFoundation for design and detailing of the foundation system
• Rigid & flexible diaphragm analysis and wood diaphragm design

Graphics Features

• “True to scale” rendering with translucency, even when drawing
• Dynamically rotate, zoom, pan, scroll and snap views
• Font and Color control
• Saved views to quickly restore frequent or desired views
• Multiple views to show different views and floors simultaneously
• Ability to view a ghost image of the floor below the current floor
• View (with zoom, rotate, etc.) a rendering of the full building model
• High-speed redraw algorithm for instant refreshing
• High quality customizable graphics printing
• Framing elevation view
• Interactive shear, moment and deflection diagrams
• Live load reduction display option
• Skip loading

General Features

• Compatible with Windows 7/8.1/10/11 (subscription license version requires 64-bit Windows)
• Operates completely stand-alone or integrated with RISA-3D
• Extensive customization options & user defaults
• Support for all units systems & conversions at any time
• Comprehensive printed reference manual with tutorial
• Encyclopedic online help with index and cross-reference
• Technical support provided by Professional Engineers

Results Features

• Interactive redesign dialog lets you control the designs, makes “what if” design comparisons very easy to do
• Graphic presentation of color-coded member results and designs
• Interactive spreadsheet results: designs, code checks, moments, deflections, shear, reactions, vibrations, column forces, column designs, material take offs
• Relative and Absolute (i.e. girder + beam) deflections
• Color plotting & printing of area load and deck assignments, both as input by the user and as combined and clipped by the program
• Generation of CAD drawings including beams, columns, slab edges, member designs and reactions
• Ability to exclude results based on selection
• Customizable beam detail reports
• Model freezing for evaluation of pre-existing designs
• Skip loading for continuous beams

RISAFloor ES Specifications

• Includes All RISAFloor Specifications Above, Plus These Added Features

Structural Modeling

• Model concrete elevated slab floors of any shape
• One-way and two-way concrete slabs, beams, girders
• Multiple concrete slab floors in the same model
• Shear Caps at columns to thicken the slab
• Drop panels and thickened slab regions
• Openings of any shape at any location
• Support slabs with concrete walls and/or columns
• Import CAD drawing for full model creation or aid modeling by snapping to DXF background
• Export full model with reinforcement to DXF

Elevated Slab Concrete Design

• Reinforcement design based on Strength requirements and code minimums
• Concrete design according to ACI 318-19/14/11/08 and CSA A23.3-14
• Design using Equivalent Frame Method per ACI
• Automated or manual design strips based on support lines
• Quick and easy modification of design strips
• DXF export of reinforcement plans

Punching Shear Design

• Automated punching shear checks for columns above and/or below the slab
• Punching shear considers biaxial moments

Slab Analysis

• Model concrete elevated slab floors of any shape
• Orthotropic slab properties
• Automated Plate Meshing
• Cracked section analysis
• Rigid or semi-rigid diaphragm analysis

General Features

• Compatible with Windows 8.1/10 (64-bit Windows)
• Operates within RISAFloor and integrates with RISA-3D