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Bridge Solution Features


Materials and Cross-Sections

Comprehensive List of North American and European cross sections (over 2000 section profiles) and materials (Steel, Concrete, Wood).

Section Calculator

The Section Calculator is a very powerful feature that allows you to import any geometric section into the software in order to be used in the structure. The software calculates the geometric and mechanical properties of the section and saves it within the custom section spreadsheets. The section created is saved and can later be used for any model.

GRAITEC Advance Design America | Bridge Solution Features
GRAITEC Advance Design America | Bridge Solution Features


ADA Bridge offers a complete library of structural elements, supports and loads. Easily configurable, these elements adapt to all situations. This CAD software has advanced features while remaining easy to use:

  • 2D and 3D Structures
  • Linear Elements: Members with 12 DOF and cables (released in tension or in compression, rigid)
  • Surface Elements: shell, plate, membrane, plane strain and plane stress 6 DOF/node
  • Floors: One-way, Two-way, Joist, Rigid or Flexible (diaphragms)
  • Walls: One-way, Two-way, Stud, Rigid, or Flexible (with or without diaphragms)
  • Able to orient and block support DOF and elastic supports (non-linear support with releases)
  • Master/Slave Node Link
  • Semi-rigid connection between linear elements
  • Dependent Nodes, Fixed, Pinned, Adjustable, Elastic and Released Supports
  • Interaction between graphical select and content in spreadsheets
  • Copy/Paste with other Commercial Software working with Spreadsheets
  • Grid
  • Composite Sections
  • Metric and Imperial Units
  • Multilingual
GRAITEC Advance Design America | Bridge Solution Features
GRAITEC Advance Design America | Bridge Solution Features


Available generators in ADA Bridge offer a time saving solution for the users:

  • Arches
    To generate circular or parabolic curves from existing segments of a structure, use the Curved Elements function in the Structure/Tools menu.
GRAITEC Advance Design America | Bridge Solution Features
  • Culverts
- Generate more than 26 culvert models with slabs, on footings or pedestals,
- Specifications automatically generated
- Applied loads and moving loads
- Calculation of the distribution of moving loads through the backfill
GRAITEC Advance Design America | Bridge Solution Features
  • Finite Elements (two-way system)
    The powerful FE slab generator (Structure/Generator/FE Slab) creates a slab surface along with finite elements consisting of triangular plates. Any slab geometry can be created and meshed with this tool. It can generate a structural 2-way slab or a rigid or semi-rigid diaphragm.
GRAITEC Advance Design America | Bridge Solution Features
  • Trusses
    The Truss Generator is used to generate predefined roof and bridge trusses.
GRAITEC Advance Design America | Bridge Solution Features
  • Piers, Abutments and Retaining Walls
    Can automatically generate more than 9 different model of piers, abutments and retaining walls, foundations beneath piers, automatically generate loads, elastic supports, continuous systems, and assigns the proper specifications and groups to plates.
GRAITEC Advance Design America | Bridge Solution Features
GRAITEC Advance Design America | Bridge Solution Features
  • Launched Bridge Step Generator

North American Codes and Standards

ADA Bridge has all the latest codes and standards enforced in Canada and the USA for design and the study of the circulation of vehicles on roadways.


  • CAN-CSA S6-06 S6-14 Canadian Highway Bridge Design Code

The seismic spectral accelerations for different cities and soil types are available to be selected & used.


  • AASHTO LFRD-04 Bridge Design Specification

Loads and Combinations

GRAITEC Advance Design America | Bridge Solution Features
  • Concentrated loads, linear loads and surface loads, imposed masses and imposed displacement, temperature, temperature differentials, torsion
  • Self-weight and dead loads, live loads, snow loads, wind, seismic, thermal gradients, & etc.
  • Loads and combination generator are based on a Canadian code (CAN/CSA-S6-00/06/14 - Canadian Highway Bridge Design Code) or American code (AASHTO-LFRD-04 - Bridge Design Specification)
  • Manually create personalized combinations

Static Analysis

This feature allows linear, non-linear static (P-δ and P-Δ) and analysis with releases for 2D and 3D structures. The results of the other features (moving load analysis, spectral analysis, etc…) may be combined to create combinations to run in a static analysis.
The "Batch Analysis" function allows starting the analysis of several models at the same time without having to open each file. 
The software also provides a “Results Comparer” which makes comparisons (in the same table) of results for several different files.

GRAITEC Advance Design America | Bridge Solution Features

Dynamic Analysis

GRAITEC Advance Design America | Bridge Solution Features

This feature allows the user to perform modal analysis, spectral, temporal linear and nonlinear, transient and general dynamic. The results envelopes E (spectral), Et (time history) or Etnl (non-linear time history) can be incorporated within static analysis combination. It is possible to calibrate the spectral analysis according to a selected code. Inelastic effects and accidental torsion are also included.

Pushover Analysis

Push over analysis is an incremental nonlinear procedure which is used for seismic performance based design of special bridges according to CSA-S6 standard. Users can define the hinge behaviour for each member and ADA is able to perform a pushover analysis step by step by modifying the geometry at each step. Results will be provided as a pushover curve on any controlling node and exact values will be displayed in spread sheet format. Also ADA displays the hinge behaviour at each stage to evaluate the performance of the structure.

GRAITEC Advance Design America | Bridge Solution Features

Moving Load Analysis

This feature allows for the analysis of 2D and 3D moving loads on a bridge that supports moving equipment.

Moving load and Scenarios

  • Library of standard predefined moving loads (trucks): Trucks CL-625 (including Ontario and Saskatchewan), CS-600, QS-600 and HL-93
  • Custom moving loads – weight, wheel and axles spacing
  • Definition of a moving load scenarios either in 2D or 3D according a specific code and structure layout
  • Moving load scenario generator
  • Custom scenarios: Impact Factor, Axle Factor, Centrifugal Force Factor & Uniform Lane Road
  • Definition of moving load envelopes
  • Definition of combinations containing moving load envelops

Load Generators: Automatic Load Combination & Moving Load

These features help user to generate the load combinations automatically, ADA will assign the load factors based on the specific code. Regarding the moving loads, ADA generates the possible scenarios of truck positioning and design lanes automatically.

Finite Elements and Calculations

  • Automatic FE Mesh Generator: Delaunay
  • Mesh according to member boundaries
  • Colour contouring and deformation results of the finite element mesh (plates)

Steel Design

This feature verifies and optimizes the steel members using design specifications (verification or design) and design groups. The calculation is an iterative cyclical process.


  • Available standards: CSA/CAN-S6
  • Design groups
  • Control on the section class and cross-section while optimizing
  • Automatic calculation of non-supported length (Lu), ω2 and Cb values, and the effective length in compression
  • Calculates the buckling length, lateral-torsion buckling and the allowable deflection
  • Resistance and stability of a section
  • Section optimization
  • Calculates the capacity of the steel decking diaphragms
  • Steel specification generator
  • Deflection criteria (L/Δ max) according to strong or weak axis of the profile
  • Stiffeners/spacing for I beams
  • Thickness of the HSS profiles for the design (0.9t, 0.93t or 1.0t)
  • Spacing between the intermittent fillers of a double angle
  • Optimization and control of the design based on area, inertia, width and height of the cross-section
  • Calculation of the net effective area with or without reduction factor (shear lag)
  • Maximum work ratio capacity factor
  • Web-Tapered members

Composite Beams

  • Supports the calculation of the capacity of steel-concrete shored composite beams
  • Calculation of capacity for composite steel-concrete beams with construction stages (non-shored)
  • Construction stages in which 4 sequences are pouring of the concrete
  • Adjustable ratio "n" (E steel/ E concrete)
  • Superimposed stresses at each stage of construction
  • Calculates the number of shear studs required for fatigue and shear resistance
GRAITEC Advance Design America | Bridge Solution Features

Complete Design Brief

The Complete Design Brief featuring detailed explanation of the calculations of steel and timber members. This report contains:

  • Forces diagrams for critical load combinations, Bending-Compression and Shear-Torsion as well as deflection diagrams for serviceability and instantaneous combinations.
  • Concentrated and distributed load cases applied to the member, for the critical load combination.
  • Name of shape and building code used for the design
  • Shape properties
  • Material properties
  • Critical load combination values for combined bending/compression forces in the member, and forces that are considered in the design.
  • Critical load combination values for maximum shear-torsion force acting on the member, and corresponding forces
  • Verification of KL/r max, Mr with and without lateral buckling, verification of code provisions and deflections for Deflection load combinations, if any.
  • Q value: Factor that reduces the fy-value of class 4 sections, other than cold-formed.
  • “Sufficient or Insufficient” cross-section Conclusion
GRAITEC Advance Design America | Bridge Solution Features

Concrete Design

This feature verifies and optimizes of the main reinforcement and stirrups for continuous systems and beam-columns, as well as for two-way slabs and shear walls using finite elements. Also, it is possible to obtain the 2D and 3D interaction curves, the rebar placement plans as well as the reinforcing bar list.


  • Available standards: CSA/CAN-S6, AASHTO
  • General and simplified method
  • Regular and variable geometry elements
  • Rebar placement for linear elements and surface elements, which includes longitudinal and transverse reinforcement
  • Rebar placement in beams, columns, two-way slabs and slab on grade
  • Steel rebar, fiber reinforced polymers and meshes
  • Graphic or spreadsheet editing of reinforcement (automatically re-calculates resistance diagrams)
  • Cross-sectional view generator
  • Bill of materials along with a reinforcing bar list which includes the all bends necessary
  • Rebar placement plans: pdf direct print screens and export to DXF
  • Verify the columns using the interaction curves
  • Designs L, T, rectangular, circular and variable geometry sections
  • Calculates resistance Mr by stress-strain compatibility
  • Verification and design considering cracking
  • Calculates and places reinforcement in the foundations
  • Verification of the capacity of a pre-stressed member with stages of construction

Modifiable Reinforced Concrete Specifications

  • Automatic calculation of concrete cover based on exposure
  • Considers epoxy coating
  • Allows the choice of rebar to be placed during the design for both bending and shear
  • Choice of optimization type for the longitudinal, transversal and stirrups bars
  • Can select the temperature reinforcement for two-way slabs
GRAITEC Advance Design America | Bridge Solution Features

Pre-Stress Concrete Design

This feature does the verification and optimization of pre-stressed concrete beams with pre-tension and sequential or non-sequential post-tensioning cables. Several Selection for a model of shrinkage and creep (CEB-FIP 1978/S6-00, CAN/CSA-S6-06-14, AFNOR 1999 or ACI 203) and calculation by numerical integration. Allows for the placement of Pre-Stressed or Post-Tensioned cables within a continuous system: rectilinear, parabolic and circular. There are 11 construction stages, 4 of these levels are for pre-load and 3 sequential or non-sequential post-tensioning.


  • Analysis for staged construction and results at each stage
  • Automatic modification of end conditions for the members during the analysis of the construction stages
  • Isostatic, hyper-static and semi-continuous systems (with design of additional longitudinal reinforcement)
  • Stirrup design (see feature Reinforced Concrete Design)

The modelling of composite and pre-stressed elements can be done using this feature. User can define separate construction stages based on days and software automatically calculates different effects such as pre-stress losses or composite action.

GRAITEC Advance Design America | Bridge Solution Features
GRAITEC Advance Design America | Bridge Solution Features

Bridge Evaluation

GRAITEC Advance Design America | Bridge Solution Features

This feature performs the evaluation of bridges based on the CAN/CSA-S6-00/06/14 standard.

General Characteristics

  • Automatically generates the combination and calculates the coefficients αD and αL based on:
- The type of transient loads
- The level of inspection
- The type of circulation
- The type of span
- The calculation method
- The system behavior
- The behavior of the element
  • Other reduction confidents “U” applicable to Mr, Vr, Cr and Tr, according to chapter 14 of the CAN/CSA-S6/14 standard.
  • Calculates the Live Load Capacity Factor for steel, reinforced concrete and pre-stressed concrete members
  • Deterioration of cables and members

Analysis and Results

  • Calculates the capacity of member sections based of the percentage of deterioration specified for cables and concrete reinforcement
  • Pre-stressed cables: analysis of the indeterminate structure while considering, when applicable, the effects of a composite beam
  • The Live Load Capacity Factor is calculated along with the load design rate of each member
  • Full report of the calculation leading the Live Load Capacity Factor obtained

Foundation Design

This feature verifies and optimizes shallow foundations with or without soil-structure interaction and verifies pile foundations. It includes the verification of geotechnical and the structural capacity.

Foundation Modeling Wizard

  • Modeling wizard helps generate foundation models for both shallow and pile types
  • Can generate a stratigraphic profile and assign a specification to the models generated
  • Can edit parameters in the spreadsheet after the model has been generated
  • No restriction on the number of generated (auto-numbering of models)

Shallow Foundation

  • Interaction soil / structure (redistribution of forces within members generated by differential settlement between footings)
  • Bearing capacity by Meyerhof, Hansen, Vesic, Terzaghi, SPT, known q ult, field vane test, etc…
  • Design of reinforcement in the footings, modification of rebar and calculation of required reinforcement bars
GRAITEC Advance Design America | Bridge Solution Features

Deep Pile Foundations

  • Steel or concrete piles, driven or bored, working is friction and/or point
  • Calculates the structural and geotechnical capacity of a single pile and group of piles
  • Piles modeled in finite elements according to the soil profile defined
  • Calculation of the bending, shear, friction or point capacity, displacement and calculation of the lateral capacity of each pile
  • Graphical results on the capacity of piles according to their depth and the position of the neutral axis
  • Display of pressure acting against the elastic supports located the length of the pile as well as their capacity
  • Automatic calculation of rigidity of elastic support according to the stratigraphic profile
GRAITEC Advance Design America | Bridge Solution Features
GRAITEC Advance Design America | Bridge Solution Features

Graphic Display

GRAITEC Advance Design America | Bridge Solution Features
  • Absolute control over all the graphical settings: color, style and size of fonts, adjusting diagrams
  • Partial masking and unmasking of the structure
  • 3D Camera control using the keyboard
  • Displacement of the structure and force diagrams
  • Rotate the structure with a 3D orb function

Online Help

A detailed online help is available and aims to best assist the user in developing their model. It is composed of 21 chapters dealing with modeling procedures while detailing some design assumptions used in the programming. A FAQ (Frequently Asked Questions) will provide a variety of useful tools for in its structural analysis.

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