3D BRIDGE STRUCTURAL ANALYSIS, DESIGN AND EVALUATION

BSE Bridge Structural Engineering Software

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BSE SOFTWARE
BRIDGE STRUCTURAL ENGINEERING

The BSE Bridge Structural Engineering software is a fully integrated analysis, design and evaluation software for bridges. The software accounts for steel, reinforced concrete, composite, prestressed girder, and steel-wood bridges.

This engineering software solution is used worldwide by several notable international companies in production work for building innovative bridges. The BSE software is an advanced structural program based on more than 32 years of Research and Development.

ADVANCED STRUCTURAL ANALYSIS

The Bridge Structural Engineering software is a technology built on a powerful user-friendly interface offering comprehensive analysis options and intuitive modeling features.

The advanced structural analysis of the BSE software allows the user to achieve specialized analyses crucial to any projects related to the bridge industry.

Torsion and
Warping

The BSE software considers restrained warping for the torsion of thin-wall open sections. Notice that this phenomenon is not included in most commonly used frame analysis programs. Almost all frame programs in practice use St-Venant torsion theory ignoring the effects of restrained warping.

LEARN MORE
•Automated simplified method of the building codes (NBCC and IBC)
•Seismic response spectrum, seismic time-history and dynamic time-history analysis
•Customized response spectrums and accelerograms
•Fully customizable analysis parameters
•Maximal response using CQC and SRSS methods
•Automated or user defined damping
•Graphical display of response spectrums and accelerograms
•User defined incidence angle of seismic loads and vertical components
•Customized analysis and output time steps
•Time refined results can be provided for selected parts of the models
•Automated or custom determination of the signs of deformations provided by the maximum response methods
•Additional masses can be added to the model by way of static loads
•Seismic loads (spectrum or accelerogram) and dynamic loads (sinusoidal, general load functions and random load functions)
•Multiple seismic and dynamic loads can be combined together in a single analysis
•Base shear calibration according to the selected building code
•Possibility to define several seismic loads and account for eccentricities between the center of stiffness and the center of mass
•Graphical display of the center of stiffness and the center of mass and seismic forces at floors
•Account for accidental eccentricities
•Account for the I, F and R coefficients of the NBCC and IBC code in spectral and time-history analysis

SEISMIC AND DYNAMIC ANALYSIS

LOADS and
LOAD COMBINATIONS

The software allows the user to create load combinations. A load combination results in an algebric combination of distinct basic loads. Each basic load is multiplied by a load factor. The resulting load combination acts on the structure to generate a specific structural response. The load combination wizard in the program also allows creating load patterns.

The load combination wizard generates load combinations according to NBCC, UBC, ASCE 7, BOCA, Eurocode and ECC.
•Loading for joints, members including concentrated, uniform, trapezoidal and thermal loads.
•Pressure or concentrated floor loads with two-way, one-way and truss distribution using triangular or quadrilateral surfaces.
•Pressure or concentrated loads on finite element plates.
•Gravity loads in any global direction calculated by the program.
•Imposed displacements at any joint.
•User defined load combinations.

PHYSICAL MEMBER LOADS
The user can apply uniform, concentrated and variable loads to physical members (continuous sequence of members).
•Standard sections (CISC, AISC and European)
•Custom section libraries
•Non-standard sections (over 30 shapes available)
•Truss and pre-tensioned cable sections
•User defined section properties
•Composite sections are available

GEOMETRIC CALCULATOR
•Wizard based geometry generation
•Large number of pre-defined frames
•Over 30 pre-defined trusses
•Circular and parabolic arches
•Cylinders and cones composed of beams and/or plates

EXTENSIVE PROFILE TYPES AND LIBRARIES

CATENARY CABLES
ANALYSIS

The catenary cable element is a highly non-linear element used to model the catenary behavior of a cable suspended between two points under the effect of its self-weight. This formulation accounts for the non-linearity due to large displacements.

A cable has no bending, shear, compression or torsion stiffness. Due to this fact, the fixities at the ends are ignored; the cable is always treated as member acting in tension only.

In the interface of the BSE, the user can create a catenary cable by associating a cable type section to a member.


*Requires the advanced analysis application.

Spatial objects are used to model non-structural secondary elements attached to the structure. These elements add no stiffness to the existing model. Loads applied to spatial objects are transferred to the structure through one or more attach joints. The loads are transferred using a “rigid plate” approach.

Concentrated, pressure and wind loads may be applied to spatial objects. The figures below shows a spatial object loaded vertically and horizontally attached to a cantilever column. Also, it shows the deformations and biaxial moments induced by the loads transferred by the spatial object.
*Requires the advanced analysis application.

SPATIAL OBJECTS AND SPATIAL LOADS

DIRECT ANALYSIS
METHOD (DAM)

This option is available for AISC 360-16 and AISC 360-10 standards.

The options for the Stability Design Method are Direct Analysis Method (DAM) and Effective Length Method (kL).

INTUITIVE MODELING FEATURES

•Local coordinate systems
•Linear or circular lines of constructions for model creations
•Automated commands for model creation such as move, rotate, extrude, copy, attach, subdivide and others
•Models can be edited either graphically or by means of spreadsheets
•Element can be created in batch or one by one
•Elements of the models can be selected either graphically or according to a set of criterions
•Persistent groups of selected objects can be created and edited graphically or by means of spreadsheets
•Definition of physical members
•Selection and edition of physical members
•Definition of loading surfaces
•Multiple edition grids with user defined spacing, angles and labels
•Powerful edition and automatic generation tools
•Members can be subdivided in any number of equal segments or at specific positions
•Similar connected members can be merged together
•Elements of the structure can be renumbered according to several criterions
•Element attributes can be set graphically or by means of spreadsheets (sections, analysis parameters, rotation angles, etc.)
•Element attributes can be edited in batch or element by element
•Loads can be edited graphically or by means of spreadsheets
•Contour lines for finite element plates with customized bounds
•Wizard based geometry generation
•A large number of pre-defined frames
•Circular and parabolic arches
•Cylinders and cones composed of beams and/or plates
•Physical elements concept to group different elements
•Surfaces can be used for load transfer and self-weight calculation
•Surfaces can be used to simulate diaphragm effects

PRODUCTIVE MESH GENERATION

Functionalities of the BSE program allow to generate automatically detail elements in an automatically generated mesh perimeter.

These functionalities are specifically  related to the refinement area, the opening, the linear constraint and the punctual constraint. All detail elements added to the BSE model will be automatically connected to the finite element mesh.

The mesh perimeter will also connect any elements already in the model to the mesh perimeter automatically if they are in the plane of the mesh contour.

DISPLAY FEATURES

The program manages to scale the size of the various pictures including toolbar buttons in order to make the user interface easy to use on every monitor, even on very high resolution monitors.

•3D solid display of all section shapes
•Ultra-fast 3D visualization in wire frame or solid modes
•Customized display of all graphical objects
•Partial model visualization
•Results can be displayed on screen for the whole or a part of the structure
•Results can be displayed for each element separately by means of graphics and numerical results spreadsheets
•Results can be displayed for a set of elements by means of numerical results spreadsheets
•Graphical display of seismic and dynamic analysis results
•Model size limited only to the physical capacity of the computer

Bridge Structural Analysis and Design
Bridge Structural Analysis and Design

OBJECTS TRANSPARENCY

Functionalities of the BSE program allow to display objects transparency for various components such as current selection, solid members, plates, surfaces, spatial objects, panels.

The level of transparency may be customized for each type of object from the Display Options command.

FILES IMPORT

IFC (INDUSTRY FOUNDATION CLASSES)

The integration of IFC in the BSE program enables importation of models from a large number of architectural and structural software.

IFC (Industry Foundation Classes) is an open and neutral data format allowing the definition of related classes to all construction objects. It is dedicated to the building sector and aims to software interoperability (all editors, all applications).

IFC is the most widely used protocol for information exchange and sharing between different platforms of BIM (Building Information Modeling).

DATA EXCHANGE

•AutoCAD interface to import and export models by way of a DXF file
•The SDNF (Steel Detailing Neutral File) interface exports beams, columns and braces to SDNF compatible detailing software
•The KISS (Keep It Simple Steel) interface exports beams, columns and braces to KISS compatible estimation softwares
•IFC-Architecture interface for importing models from Revit or other IFC compliant programs.
•If required, members subdivision and account for physical elements will be carried out automatically
•The solid view of the structure may also be exported when exporting to AutoCAD

COMPREHENSIVE REPORTS PROVIDED

•Results can be visualized either graphically or numerically
•Input data and results may be printed for the whole structure or partial structures using a graphical selection or a range of elements
•Customized list of input data and results to be printed
•Reports are available in several formats including SAFI™ reports, Microsoft Excel worksheets, Microsoft Access databases and ASCII text files
•All graphics can be printed or copied to the clipboard for use in external programs

UNIT SYSTEMS

Metric, imperial and mixed units systems are allowed and can be modified at any time.

Reports are printed according to any unit system.
Structural Analysis and Design Software

BSE BRIDGE

The BRIDGE STRUCTURAL ENGINEERING program allows to analyze, verify, evaluate and design 2D and 3D bridge models of any type and size subjected to standard or non-standard moving loads.

The BSE BRIDGE performs multiple simultaneous or non simultaneous standard and non standard moving loads analysis on simple and complex trajectories. The program includes a comprehensive library of over 25 standard trucks and a moving load editor for user defined trucks and trains.
BSE Bridge

TECHNICAL SPECIFICATIONS

-The moving loads are transferred to selected elements of the model.
-Impact factors can be specified for an entire truck load or on a per axle basis as well as for lane loads.
-Axles can be raised as required by some bridge design codes such as the CAN/CSA S6 code.
-Lateral distribution factors for moment, shear an deflection are supported.
-Envelopes of response are obtained for any combination of moving loads, lane loads and non moving loads.
-Incremental analysis can be carried out to account for staged constructions.
-Load factors can be determined automatically by the program when evaluating an existing bridge.
-Associated forces and maximum values can be obtained at any point of the structure using the advanced query engine.
-The BSE BRIDGE program permits to query analysis results and associated results at any point of the structure.

DESIGN OF STEEL BRIDGES
AND COMPOSITE BRIDGES

•Full support for transverse, bearing and longitudinal stiffeners.
•Total and partial composite action and automatic determination of the required studs.
•User defined studs.
•Plain concrete slab or concrete slab cast on steel deck.
•User defined and standard steel decks.
•Long term deflections can be considered.
•Slab reinforcement can be considered in analysis.
•Effective or full composite inertia can be used.
•Steel verification includes sections classification, resistance and stability checks according to the applicable code.
•Calculation of the bending, compression, tension, shear and combined resistance of steel elements.


•Effects of bearing, transverse and longitudinal stiffeners are considered in the design of bridge girders using bridge design codes such as the CAN/CSA S6 standard.
•The program optimizes the section shapes to minimize the weight or the cost of the whole or a part of the structure. This optimization is performed based on the complete or customized list of standard section shapes or any user defined library of standard and parametric sections shapes.
•Geometrical limits can be defined to control the dimensions and properties of the section shapes selected by the optimization engine.
•The optimization engine can check various deflection criterions during the section selection process.

•Automatic determination of longitudinal and transverse beam reinforcement.
•Automatic determination of pile reinforcement
•Edition of all reinforcement bars
•Multi-cycle design and verification
•Design of partial structures
•Allows design of concrete members subjected to a linear, P-Delta, non-linear, seismic, dynamic or moving load analysis.
•Second order effects may be accounted for according to the simplified method of the design codes.
•Effects of lateral drift and internal member deformations may be considered together or independently.
•The BSE program allows to design continuous members.
•Design of bending, shear, torsion and combined axial forces and bending.


•Calculates all required reinforcement and development lengths.
•Calculated reinforcement can be further edited and additional resistance verification calculations can be performed on the whole or selected parts of the structure. This cyclic design method allows to closely match practical user requirements without the need of tedious hand calculations
•The program can design longitudinal reinforcement, stirrups and column rein forcement for common concrete section shapes.
•Reinforcement layouts, resistance curves and interaction diagrams are displayed graphically.
•The program considers longitudinal reinforcement and bent bars for bending resistance.
•The program considers straight or inclined stirrups and bent bars for shear and torsion resistance.
•The program considers column reinforcement for combined axial and bending loads.

DESIGN OF REINFORCED
CONCRETE BRIDGES

EVALUATION
FEATURES

•Automatic determination of load factors according to chapter 14 of the CAN/CSA S6-06 code.
•Automatic determination of resistance factors (U) according to chapter 14 of the CAN/CSA S6-06 code.
•Supports standard traffic loads and special permits.
•Classes of dead loads can be set for each basic load (D1, D2 and D3).
•Classes of moving loads can be set for each basic load (Normal traffic, alternate normal traffic, PA, PB, PC and PS).
•Member properties such as system behavior, inspection level and reliability index are specified for each element.
•Element behavior is determined automatically for each element of the bridge.
•Provides forces, resistances, limit states and live load capacity factors for all elements of the model.
•Models can be edited either graphically or by means of tables.

•Full support for transverse, bearing and longitudinal stiffeners.
•Total and partial composite action.
•User defined studs.
•Plain concrete slab or concrete slab cast on steel deck.
•User defined and standard steel decks.
•Long term deflections can be considered.
•Slab reinforcement can be considered in analysis.
•Effective or full composite inertia can be used.
•Steel verification includes sections classification, resistance and stability checks according to the applicable code.
•Calculation of the bending, compression, tension, shear and combined resistance of steel and composite elements based on the results of a linear, P Delta, non-linear, seismic, dynamic or moving load analysis.


•The design of composite beams accounts for long term deflections, partial composite action, plain slab or slab cast on standard or user defined steel decks and user defined studs.
•The slab reinforcement can be considered in the calculation of the elements resistance.
•It is possible to consider the analysis of composite beams with the full composite inertia or the effective inertia in positive moment regions or the steel beam inertia in negative moment regions.
•Effects of bearing, transverse and longitudinal stiffeners are considered in the design or the evaluation of bridge girders using bridge design codes such as the CAN/CSA S6 standard.
•Complete check of deflection according to a comprehensive set of criterions.

EVALUATION OF STEEL
AND COMPOSITE BRIDGES

EVALUATION OF REINFORCED
CONCRETE BRIDGES

•Supports longitudinal and bent bars in bending
•Supports inclined stirrups and bent bars in shear
•Supports pile reinforcement
•Allows verification of concrete members subjected to a linear, P-Delta, non-linear, seismic, dynamic or moving load analysis.
•Second order effects may be accounted for according to the simplified method of the design codes. -Effects of lateral drift and internal member deformations may be considered together or independently.
•Verification of bending, shear, torsion and combined axial forces and bending.
•Calculates all required reinforcement and development lengths.
•Calculated reinforcement can be further edited and additional resistance verification calculations can be performed on the whole or selected parts of the structure. This cyclic design method allows to closely match practical user requirements without the need of tedious hand calculations.


•The program can design longitudinal reinforcement, stirrups and column rein forcement for common concrete section shapes.
•Reinforcement layouts, resistance curves and interaction diagrams are displayed graphically.
•The program considers longitudinal reinforcement and bent bars for bending resistance.
•The program considers straight or inclined stirrups and bent bars for shear and torsion resistance.
•The program considers column reinforcement for combined axial and bending loads.

PRESTRESSED GIRDER BRIDGES

Adding the BSE PRESTRESSED GIRDER BRIDGES application allows the user to perform the analysis and design of beams pre-stressed by pre-tension.

The program performs the verification of pre-stressed beams with a minimum user effort. Once the geometric data and the materials are defined, the program takes care of generating the bridge model automatically.

Through a set of simple and appropriate forms, the analysis and design of precast concrete bridge girder with pre-tension is carried automatically by the BSE BRIDGE program.

TECHNICAL SPECIFICATIONS

•Supported standard codes are CAN/CSA-S6-88 and CAN/CSA-S6-06.
•Standard AASHTO, NEBT, NBPS and CPCI sections and custom precast sections.
•Automatic and custom transverse strands layouts.
•Straight strands with one or two raised points.
•Standard and custom moving load envelopes for truck and/or lane loads.
•Pre tension losses calculated with specified code or through a step-by-step method.
•Design of precast girders for multiple span bridges with composite slab action near piles.
•Design of stirrups along girders and design of steel reinforcement at supports.
•Accounts for thermal effects.
•Accounts for the secondary effects from creep and shrinkage.
•Deflection of girder according to time.
•The results obtained for the highway live load can be combined with other types of loads applied to a structure (dead weight, additional dead loads and live loads) to obtain a global solution as well as the corresponding envelopes.

MODEL
PARAMETERS

•Custom precast section predefined shapes include the narrow top flange, the wide top flange and the bulb tee sections.
•Transverse strands layouts for any standard or custom precast sections.
•All standard sections have built-in strands layout that can be overridden.
•The transverse strands layouts must be defined for custom precast sections.
•The transverse strands layout is defined for the maximum number of strands in the section.
•When the actual number of strands used is lower than the number defined in the layout, each row of strands is filled completely before filling the next row.
•When a standard section is selected, the default built-in layout for this section is automatically fetched to ease simple modifications.
•A custom layout does not overwrite the default layout, this default layout is still be available.
•The maximum number of straight and inclined strands for standard sections are specified.

•Spacing of strands : the center to center spacing between the strands.
•Inclined strands : Number of strands per row, maximum number of rows, minimum distance to side.
•Straight strands : Minimum distance to side.
•Number of straight strands per row : a maximum of 12 rows of straight strands is allowed.

PARAMETERS TO DEFINED A
TRANSVERSE STRAND LAYOUT

MOVING
LOADS

•The moving standard loads as well as all custom moving loads available are:
– CL-625 (CAN/CSA S6-06)
– CL-625-ONT (CAN/CSA S6-06)
– QS660 (Quebec)
– MTQ-340 (Quebec)
– CS600 (CAN/CSA-S6-88)
– OHBDC (Ontario)
– Egyptian Loads
– AASHTO (USA)
•The lateral distribution coefficients wizard calculates the lateral distribution coefficients with respect to the CAN/CSA S6-06 requirements

•The concrete slab is cast in place during the construction of the bridge.
•The reinforcing steel in the slab and in the stiffener beams at supports ensure the continuity of the deck at interior supports for the additional dead loads, as well as for the live loads.
•The required dimensions of the concrete slab are defined by the user.

SLAB
PARAMETERS

STIFFENER BEAMS
PARAMETERS

•The stiffener beams are added between the longitudinal beams.
•They enhance the lateral stability of the bridge and allow for a better distribution of forces on the width of the bridge.
•These stiffener beams are not designed by the program, their dimensions and material properties are required solely for determining their self weight.
•The number of stiffener beams between the supports can vary from one span to another.

•The stirrups diameter and the yield stress of the stirrups material are defined.
•The spacing of the stirrups required to resist the shear forces is calculated .
•The stirrup spacing calculated by the program accounts for anchoring zones.
•The horizontal shear between the beam and the slab will be taken by the stirrups which will be extended in the slab.

STIRRUP
PARAMETERS

THERMAL GRADIENTS
PARAMETERS

•Thermal gradients must be considered in the design of a multi-span bridge where there is continuity at the supports.
•Thermal gradients can generate non-negligible forces in the structure.
•Thermal gradient: This value indicates the maximum temperature difference between the top of the slab and the bottom of the beam.
•The program assumes a linear temperature gradient on the depth of the composite beam.

•The calculation of pre-stress losses is an important part of the calculation of pre-stressed beams.
•The losses of pre-stress during the life of the bridge beginning with the transfer of the pre-stress to the concrete can be over 20% of the initial strand tension.


•Calculation method : Two calculation methods of the losses are supported. The first is the method proposed by the selected design code (CAN/CSA-S6-88 or CAN/CSA-S6-06). The second method is a step-by-step approach which determines the losses over time.
•Relative humidity : The average annual relative humidity in the surrounding of the bridge. This value has an influence on shrinkage and creep.


•Area of ordinary steel bars (As) : The area of ordinary steel bars influences the losses caused by shrinkage in the step-by-step approach. When the As is not equal to zero, the step-by-step approach tends to predict lower losses caused by shrinkage.
•Concrete cure method: A normal concrete cure is made at room temperature. An accelerated steam cure is a thermal treatment of the concrete allowing to accelerate its hardening cycle.

LOSSES
PARAMETERS

EVENTS
CHRONOLOGY

•The production of precast pre-stressed beams is made in several steps. T4 time is the reference time and is always equal to zero. Thus, the times T1 to T3 times are negative and the times T5 to T7 times are positive.
•Tensioning of strands (T1) :The pre-stressing steel is put in tension and is retained by jacks and other mechanisms of steel retention. At this step, no concrete is present. The losses by relaxation starts at this time.
•Concrete casting (T2) : The concrete is cast in place and the concrete cure begins. This data is considered in the calculation of concrete age for the calculation of creep losses.

End of cure, beginning of shrinkage (T3) : When the cure is stopped, the surrounding humidity drop provokes the start of the shrinkage of concrete. The shrinkage occurring between time T3 and time T4 will not induce pre-stressing losses.


•Transfer of pre-stress (reference time) (T4): At this step, the concrete is sufficiently resistant to support the pre-stressing forces. The pre-stressing strands are released and transfer the forces to the concrete beam. Due to the arrangement of the strands in the beam, the beam tends to camber under the effect of the pre-stressing forces. From this time, the losses caused by creep and remaining shrinkage begins.
Casting of slab and stiffener beams (T5): At this time, the loads induced by the self weight of the slab and the stiffener beams are held by the pre-stressed beam only. Once hardened, the slab acts in a composite manner with the beam to support the additional loads added later to the structure. Once the concrete slab has hardened, the program assumes the continuity at the interior supports which affects the effect of additional loads.


•Add. dead loads 1 (edges, sidewalks and curbs) (T6): The time at which the additional loads are applied to the structure has an effect on the losses. The intensity of these loads are specified for each span.
Add. dead loads 1 (asphalt) (T7): The time at which the additional loads are applied to the structure has an effect on the losses. The asphalt is considered as a dead load which has a load factor larger than other dead loads. It has thus been separated from other additional dead loads. The intensity of these loads are specified for each span.

All span data that vary from one span to another are defined by the user. The following data is to be defined: Geometry, loads, beam material, strands and supports.

SPAN DATA

RESULTS AND
REPORTS

•The summary of the input data contains the following tables: General, Strands, Moving Load, Slab, Stiffener Beams, Stirrups, Thermal Gradients and Losses.
•The summary of the output results includes : unfactored envelopes, factored envelopes, losses results, stresses of sections, ultimate flexural strength, continuity effects, stirrups design and deflection results.

STEEL AND WOOD BRIDGES

The BSE STEEL-WOOD BRIDGES program is an automated parametric software for design and evaluation of steel girder bridges with wood decks.

The STEEL-WOOD BRIDGES program is an entirely automated parametric program for the design and the evaluation of steel girder bridges with wood decks.

The program performs the design or the evaluation of such bridges according to the Canadian CAN/CSA S6-14 code including chapter 14 regarding bridge evaluation.

TECHNICAL SPECIFICATIONS

-The program can analyze one and two lanes bridges using standard or parametric steel section shapes.

-Libraries of standard metric and imperial material properties are available. Customized materials can also be created.

-The program uses the standard CL-625 and CL-625-ONT trucks according to the road classes A, B and C. Customized trucks can also be created.

-All dimensions of the elements defaults to commonly used values. These dimensions, such as the spacing of transverse beams and dimensions of timbers can be edited whenever required.

-Default values can also be customized.

DESIGN
FEATURES

-The BSE STEEL&WOOD BRIDGES design capabilities are used to optimize a bridge or to calculate the resistance of the steel and wood elements of known dimensions.

-The entire design process is automated with respect to the user parameters.

-The weight of the elements, the effect of the skew angle, the lateral stiffener beams or diaphragms is determined automatically.

-In most cases where the bridge design follows the established standards, the only data required to design such bridges are the length of the span and the number of lanes.

-The program calculates the resistance of the steel beams and the resistance of the wood parts such as the transverse shear and bearing capacity of the transverse beams.

-The deflection of the bridge girders is also considered.

-The BSE STEEL&WOOD BRIDGES performs the evaluation of an existing steel-wood bridge according to the chapter 14 of the CAN/CSA S6-14 code. The equations specific to the MTQ are also included in the program.

-Unlike for the design of a bridge, the evaluation of an existing bridge requires a larger number of data to fully describe the geometry and dimensions of the elements of the bridge.

-The program calculates the resistance and the live load capacity factors (F) of the steel beams and the resistance of the wood parts such as the transverse shear and bearing capacity of the transverse beams.

-When required, recommended signs are displayed.

-The deflection of the bridge element is also considered.

EVALUATION
FEATURES

REPORTS

-The evaluation report and design report are printed in a Microsoft Word compatible file format.
-These reports include all relevant design and evaluation intermediate results, limit states and live load capacity factors as well as a sketch of the bridge and recommended posting if any.

TUTORIAL VIDEOS

BRIDGE MODELING AND ANALYSIS
VARIABLE INERTIA BEAMS
FEM BRIDGE SLAB WITH MOVING LOADS
CUSTOM AND BUILT UP SECTIONS
GRID TOOLS
BRIDGE WITH COMPOSITE BEAMS
UNIT SYSTEM CUSTOMIZATION
BRIDGE BUCKLING ANALYSIS
BRIDGE ANALYSIS USING THE GRILLAGE TECHNIQUE
LATERAL DISTRIBUTION COEFFICIENT

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