versortech AI to size structures, foundations and building systems. First modules in use.
versortech is the technology arm of Versor Engenharia, a Brazilian engineering firm. Our first project, fablecalc, uses artificial intelligence and an in-house calculation engine to speed up engineering design. The geotechnics and foundation modules already run on Versor's own projects, and every result is still reviewed and signed by a licensed engineer.
Simulation
fablecalc in action
A preview of how we intend fablecalc to work. Change the inputs and watch the sizing, the chart and the calculation log update. Switch to API to see the same calculation delivered to another system.
Illustrative simulation using simplified demo calculations based on Brazilian standards (ABNT NBR). It is not the fablecalc engine, and its results should not be used in a design.
Inputs · engineer's assumptions
Simply supported beam · fck 25 MPa · CA-50 steel · self-weight added automatically
Calculation log
- 01h ≈ L / 10 = 50 cm · d ≈ 46 cm[rule of thumb]
- 02b = 14 cm ≥ 12 cm[NBR 6118 · 13.2.2]
- 03q = 14 + sw 1.75 = 15.75 kN/m
- 04Mk = q·L² / 8 = 49.2 kN·m · Md = 1.4 · Mk = 68.9 kN·m[γf · NBR 6118 · table 11.1]
- 05x / d = 0.21 ≤ 0.45[NBR 6118 · 14.6.4.3]
- 06As = 3.76 cm² → 2 ø 16 mm[single layer · ρmin 0.15 %]
- 07Vk = q·L / 2 = 39.4 kN
AI assistant · simulated
Preliminary sizing meets the ductility limit, with bars in a single layer. Deflection, cracking and shear are left for the full check.
Preview · in development
From calculation to 3D model
3D visualization will show structure, internal forces and deflected shape in one place. Below is a conceptual model: beam B1 is the same beam as in the simulator.
Drag or use the arrow keys to rotate
Disciplines
From the ground up, in one workflow
One calculation engine for structure, geotechnics and building systems, starting with what comes first on site.
Structural
Loads, wind and foundations in use. Reinforced concrete slabs, beams and columns in development.
Geotechnics and foundations
SPT soundings, bearing capacity and settlement in use. Retaining walls and slopes in development.
Electrical
Circuit layout, conductors, protective devices and voltage drop.
Plumbing
Cold water supply, sanitary drainage and stormwater.
How it should work
AI works with the engineer, not instead of them
- 01
Engineer's inputs
The engineer sets the starting data: architectural design, occupancy loads, building standard and local requirements.
- 02
AI-assisted calculation
The tool organizes the data, proposes sizing and flags inconsistencies between disciplines.
- 03
Traceable calculation log
Every result should show where it came from (formula, table or code clause) so it can be checked.
- 04
Review and sign-off
The responsible engineer reviews, adjusts and signs the design, filing the ART (Technical Responsibility Record) with CREA.
Calculation engine
A proprietary engine, 100% code-based
fablecalc's engine is developed in-house by versortech and is closed-source. Every routine follows the text of the technical standards and the recommended calculation methods. No result is generated by AI.
Code-based routines
Each check implements the procedure of the corresponding standard, with its factors, tables and limits.
Traceable
Every result comes with a calculation log and a reference to the clause or method applied.
Validated
Results are checked against conventional calculations and real projects before every release.
The engine's logic belongs to versortech. What stays open is the traceability of every result.
What doesn't change
AI doesn't sign off on designs.
Every project delivered by Versor is still reviewed by the responsible engineer and backed by an ART filed with CREA-RS (registration 278430).
Roadmap
How we plan to get there
Geotechnics, foundations, loads and wind already run on Versor's own projects. Slabs, beams, columns, retaining walls and slopes are in development, together with the AI assistant, 3D, BIM and the API. Electrical and plumbing come next.
In use
- Load takedown
- Wind loads
- Foundations
- SPT soundings
- Bearing capacity
- Settlement
In development
- Slabs
- Beams
- Columns
- Earth pressure and retaining walls
- Slope stability
- AI assistant
- 3D visualization
- BIM integration
- API
Planned
- Steel structures
- Structural masonry
- 3D geological model
- Circuits and protection
- Voltage drop
- Cold water
- Sanitary drainage
- Stormwater
- International codes
Principles
Proprietary, deterministic engine
Calculations run on a proprietary, auditable engine that is 100% code-based. AI reads the data, suggests options and explains results, but it doesn't do the math.
Validation before scale
Each module is checked against conventional calculations and delivered projects before release.
Engineer in charge
Inputs, review and sign-off stay with a licensed engineer: an ART in Brazil, the equivalent registration in each country.
Confidential data
Client projects are handled confidentially. They are used to train models only with permission.
Founder
Filipe Carboni Fim
Civil engineer (UCS) and business administrator (UFPEL) · CREA-RS 278430 · Founder of Versor Engenharia and versortech
versortech grew out of Versor's everyday design work: the same calculation redone with every architectural revision, the same code table looked up again. The goal is to give that time back to engineering judgment, while responsibility stays with whoever signs the design.
FAQ
Questions about versortech
Is fablecalc available yet?
Not to the public yet. The geotechnics, foundations, loads and wind modules already run on Versor's own projects, and the rest are in development or planned on the roadmap. The simulation on this page is illustrative. To follow along, join the interest list.
Does AI replace the engineer?
No. AI speeds up calculations, lookups and checks. Setting the inputs, reviewing the results and taking technical responsibility (including the ART filed with CREA in Brazil) remain with the licensed engineer.
Which codes and standards will it use?
For structural and geotechnical work: NBR 6118, NBR 6120, NBR 6122, NBR 6123, NBR 6484 and NBR 11682. For building systems: NBR 5410, NBR 5626, NBR 8160 and NBR 10844. The roadmap includes Eurocodes, US codes (ACI, ASCE, NEC) and Australian/New Zealand standards (AS/NZS). Using the tool never replaces the engineer's compliance check.
Will fablecalc work outside Brazil?
It's planned on the roadmap: modules for Eurocodes and for US and Australian codes, each validated by an engineer licensed in that jurisdiction. Until then, fablecalc works with Brazilian standards.
Will there be an API to integrate with other systems?
Yes, the API is in development. The goal is to let cost estimating, ERP and BIM systems request sizing and receive the calculation log and the engineer's review status.
Is the calculation engine open source?
No. The engine is proprietary and developed by versortech. What is transparent is every result: its calculation log and a reference to the clause or method applied.
Does this change Versor's projects?
Versor's building services and structural designs are still prepared, reviewed and signed by our engineering team. When fablecalc becomes part of the workflow, it will support the engineer, not replace them.
Can architects and builders join the pilots?
Yes. Pilots with partner architecture firms and builders are the next step on the roadmap. If you're interested, join the interest list on this page.
Interest list
Follow fablecalc
Get versortech updates and invitations to the pilots. For current projects and construction work in Brazil, Versor's team is available on WhatsApp.