SectionPro is a comprehensive cross-section analysis software developed by bridge engineers for civil and structural engineering professionals.
It's capable of analyzing virtually any type of cross-section : reinforced concrete, prestressed concrete, structural steel, composites and more complex custom-material cross-sections. It combines a high-performance computation engine with an intuitive, modern interface.

GEOMETRY
- A fast mode for defining standard cross-sections used by structural engineers : rectangular, circular, elliptical, hexagonal, octagonal, beams, shear wall, etc. Can be solid or hollow, with automatic rebar layout, plus custom sections via import of XY coordinates or definition of successive primitives (segments, circular and elliptical arcs).
- An advanced mode, which can be used to build virtually any section component by component : multiple concrete and structural-steel domains, embedded standard profiles (IPE, HEB…), passive reinforcement, prestressing cables and thin steel plates. Can be used to model reinforced and prestressed concrete members, structural-steel profiles, composite steel-concrete columns or beams, multi-cell box girders or composite bridge piers.

MATERIALS
Concrete and steel constitutive laws can be generated automatically for the selected code with only a few input parameters.
Supported: Eurocode 2, ACI 318, BAEL 91, CSA A23.3 and CSA S6:19, AASHTO LRFD, SIA 262, IRC:SP:112 and IS 456, NBR 6118.
In the advanced mode each component has its own material law, which can be defined using typical models (parabolic-rectangle for concrete, elasto-plastic with hardening for steel, etc),
or through point by point or polynomial functions which lets you define any stress-strain law from experimental data.

ANALYSES
- Mechanical characteristics : area, centroid, moments of inertia, extreme fibers, torsion constant, shear areas.
- Stress and strain verification : internal equilibrium state, strain and stress distribution, internal forces and governing load case.
- Reinforcement design : minimum steel area to ensure mechanical resistance. One or more materials may be at exactly the failure strain in compression or tension.
- 3D interaction surface : N-My-Mz resistance boundary with built-in 3D viewer.
- Verification and design via interaction surface : distance to the resistance boundary, safety margin, and minimum reinforcement to ensure mechanical resistance.
- Interaction curves : 2D interaction curve, with one component fixed. Envelope mode to allow the analysis of multiple values of the fixed component.
- Stiffness curves : M-χ and N-ε, pushover and cracked stiffness.
- Second-order effects : methodology based on curvature evaluation, allows to compute the second order moment amplification, the critical load and the failure mode (mechanical or instability).
- Crack width and spacing : characteristic width wk and spacing per the Eurocode 2 methodology.
- Fire analysis : transient thermal field and thermo-mechanical computations such as resistance check, interaction surface, time to failure, etc., with temperature-degraded concrete and steel.

IMPORT AND EXPORT
Import geometries and bulk load cases from CAD and finite-element outputs. Export geometry, materials, loads and results to TXT, XLS and PDF formats.

WHY SECTIONPRO
Precision : exact integration of constitutive laws, analytical solutions on curved geometries. Performance : hundreds of thousands of load cases in under a second. Usability : automatic rebar layouts, import tools, interface in 11 languages, light and dark mode.

FREE TRIAL
SectionPro is free to evaluate: all analysis types and design codes are accessible, with some restrictions (limited geometries, custom material laws unavailable, limited number of analyses, trial mention on exports). SectionPro Premium removes all restrictions and works on mobile, tablet and desktop, with multi-platform compatibility.