More Design in Version 20

Version 20 provides design tools with consistent, high quality step-by-step reporting. 

  • New RC Slab design. Updated to provide the same transparent calculations as our other design tools, with all the clause checks you need, wherever you work in the world. 
  • Updated RC Frame design. Now with shear and torsion checks.

Our design tools

Our comprehensive design-checking facilities for RC frames, RC slabs / walls and structural steel now cover codes for buildings and bridges, for North America, Europe and UK, India, China and Australasia. Building on previous versions, they each now include all ULS and SLS checks and many detailing checks too.

Each facility is designed to have the broadest possible reach, covering arbitrary section shapes in the RC frame designer, a huge range of section profiles for structural steel, and slabs with moments, twisting and in-plane forces.


The well-established Traffic Load Optimisation facility and prestress loss calculations similarly have comprehensive capabilities and international reach.

Design for RC beams/columns

Comprehensive checks 

Strength/ULS, based on biaxial bending with overall tension/compression, shear and torsion, and SLS checks for stress limits, minimum and maximum areas of reinforcement and crack widths (or spacing considerations).

Checks can be presented in graphical (contour), tabulated and by way of informative diagrams including interaction charts.
Wide application 

The RC Frame designer is applicable for standard or arbitrary shaped sections and prismatic or tapering members. 

Building and bridge codes are supported, with flexibility to cover not only beams and columns, but also decks, piles and more.
Wide application 

The RC Frame designer is applicable for standard or arbitrary shaped sections and prismatic or tapering members. 

Building and bridge codes are supported, with flexibility to cover not only beams and columns, but also decks, piles and more.
Transparent

Get a better understanding of the design process. Reveal every step, every clause reference, and every formula. 

Don’t need the detail? Produce summary information instead in graphical, tabular and report-based formats and quickly see pass/fail criteria.
Productive

Create design reports individually or append them to the report for the whole model. 

Mix summary reports for the whole structure with detailed reports of critical members. Create templates to speed reproduction of similar content.
Productive

Create design reports individually or append them to the report for the whole model. 

Mix summary reports for the whole structure with detailed reports of critical members. Create templates to speed reproduction of similar content.
International coverage 

All checks are included for codes of practice previously supported in part (USA, Canada, Europe, UK, India and Australia), and for 3 codes that are completely new in Version 20: 
  • AASHTO 9th Edition (USA)
  • ACI 318-19 (USA)
  • CSA S6:19 (Canada)

Design for RC slabs/walls

Comprehensive checks

Strength/ULS and SLS, based on flexural, twisting and in-plane effects (including Annex LL), shear, stress limits, minimum and maximum areas of reinforcement and crack widths (or spacing considerations).

Checks can be presented in graphical (contour), tabulated or rendered (hand calculation) formats.
Wide application

The RC slab designer is applicable for RC slabs with tension or compression as well as an overall field of moments (including twisting) and shear. 

The Sandwich theory (EN1992-2 Annex LL), new in Version 20, offers a rigorous methodology alongside the pragmatic existing options of Wood-Armer and Clark-Nielsen.
Wide application

The RC slab designer is applicable for RC slabs with tension or compression as well as an overall field of moments (including twisting) and shear. 

The Sandwich theory (EN1992-2 Annex LL), new in v20, offers a rigorous methodology alongside the pragmatic existing options of Wood-Armer and Clark-Neilsen.
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International coverage

All checks are included for codes of practice previously supported in part (USA, Canada, Europe, UK, India, Australia, Singapore and China), and for a range of codes that are completely new in version 20:
  • AS3600-2018 and AS5100.5-2017 (Australia)
  • AASHTO LRFD 8th and 9th Editions (USA)
  • ACI 318-19 and ACI 318-14 (USA)
  • CSA C6-14 and CSA C6:19 (Canada)
  • JTG3362-2018 (China)
  • ELOT EN 1992-1-1 and ELOT EN 1992-2 (Greece), 
  • NZS 3101-1:2006 and NZTA Bridge Manual v3.3 (New Zealand)
  • MOMRA Bridge Design (Saudi Arabia) 
  • SABS 0100-1 (Ed. 2.2) (South Africa)

Design for Steel beams/columns

Comprehensive checks

Comprehensive checks: ULS/Strength based on biaxial bending with overall tension/compression and shear - including interaction formulae and buckling checks 
Wide application

The steel designer is applicable for a huge range of section profiles and practically any structural steel application. 

Checks may be carried out for every member in the analysis model and presented in graphical (contour), tabulated or rendered (hand calculation) formats.
Wide application

The steel designer is applicable for a huge range of section profiles and practically any structural steel application. 

Checks may be carried out for every member in the analysis model and presented in graphical (contour), tabulated or rendered (hand calculation) formats.
International coverage

 All checks are included for codes of practice previously supported (USA, Canada, Europe, UK, Australia and China) plus CSA S6:19 (Canada)

Design for Steel/Composite bridge decks

Comprehensive checks

Strength/ULS bending stress and interaction effects, SLS, fatigue, shear connector and stiffener design, based on stresses built up through the stages of construction and in-service. 
Wide application

The steel/composite bridge deck designer covers I-girder decks, working with the steel/composite bridge deck modelling wizard to create multi-span decks of any skew or plan curvature or with the bridge deck (grillage) geometric attributes, which are extended in v20 to include transverse bracing. 

Wide application

The steel/composite bridge deck designer covers I-girder decks, working with the steel/composite bridge deck modelling wizard to create multi-span decks of any skew or plan curvature or with the bridge deck (grillage) geometric attributes, which are extended in v20 to include transverse bracing. 

International coverage

All checks are included for codes of practice previously supported -  AASHTO 8th (USA) and EN1994 (Europe) plus AASHTO LRFD 9th Edition (USA), and  CSA S6:19 and CSA S6:14 (Canada)