Post on 06-Feb-2018
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Integrated 3D Bridge Design Software
Version: 16.0.2
HOME
CSiBridge Overview
Modeling, analysis and design of bridge structures have been integrated into CSiBridge to
create the ultimate in computerized engineering tools. The ease with which all of these tasks
can be accomplished makes CSiBridge the most versatile and productive software program
available on the market today.
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Using CSiBridge, engineers can easily define complex bridge geometries, boundary
conditions and load cases. The bridge models are defined parametrically, using terms that
are familiar to bridge engineers such as layout lines, spans, bearings, abutments, bents,
hinges and post-tensioning. The software creates spine, shell or solid object models that
update automatically as the bridge definition parameters are changed.
CSiBridge design allows for quick and easy design and retrofitting of steel and concrete
bridges. The parametric modeler allows the user to build simple or complex bridge models
and to make changes efficiently while maintaining total control over the design process.
Lanes and vehicles can be defined quickly and include width effects. Simple and practical
Gantt charts are available to simulate modeling of construction sequences and scheduling.
CSiBridge includes an easy to follow wizard that outlines the steps necessary to create a
bridge model.
Completely integrated within the CSiBridge design package is the power of the SAPFire®
analysis engine, including staged construction, creep and shrinkage analysis, cable tensioning
to target forces, camber and shape finding, geometric nonlinearity (P-delta and large
displacements), material nonlinearity (superstructure, bearings, substructure and soil
supports), buckling and static and dynamic analysis. All of these apply to a single
comprehensive model. In addition, AASHTO LRFD design is included with automated load
combinations, superstructure design and the latest seismic design.
CSiBridge Features:
Features-CSiBridge User Interface
Graphical User Interface
• All operations are integrated across a single user interface that provides an easy-to-
use and intuitive workflow environment
o Modeling
o Analysis
o Design
o Output
o Optimization
o Scheduling
o Load Rating
o Reporting
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Features-CSiBridge Modeling
Templates
• Selection of templates for quickly starting a new bridge model or structure
• Default definitions of all properties, components, loading definitions, design settings,
and other defined items
• After a model has been generated using a template, the model can be modified in
CsiBridge
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BRIDGE WIZARD
A powerful tool that guides users along the model creation path.
• Step-by-step creation of complete bridge model
• Detailed guidance for each step
• Tree view of bridge model updated with each change
• Automatically update model by changing parameters
Parametric Deck Sections
• Vary geometric parameters to easily modify deck and girder arrangements.
• Concrete box girders
• Full parametric definition of cross sections
• Concrete tee beam sections
• Precast I and U girder sections
• Steel girders with composite deck
• Variable section definition parameters
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Layout Lines
• Flexible and powerful control over bridge geometry.
• Quick definition of highway layout
• Bearings and stations notation
• Horizontal and vertical curves
• Spiral transitions
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Lanes
• Rapidly specify lanes and the associated vehicles.
• Lanes based on layout lines or frames
• Width effects for lanes and vehicles
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Bridge Object Model
• A comprehensive assemblage of all components that make up the bridge model.
• Switch between spine, shell, and solid models with single click
• Parametric modeling of steel and concrete deck sections
• Concrete and steel diaphragms
• Restrainers and bearings
• Linear/nonlinear foundation springs
• Non-prismatic superstructure variation
• Skewed abutments, bents, and hinges
• Single-bearing & double-bearing bents
• Prestress tendon layout
• Superelevations
• Curved beams and girders
• Diaphragms and staggered cross-frames
• Width effects for lanes and vehicles
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Diaphragms
• Multiple diaphragm options to choose
• Solid diaphragm for concrete bridges
• Top and bottom chord with diagonal bracing for steel bridges
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Parametric Variations
• Specify a variation for all or parts of the bridge alignment and slope.
• Used for both horizontal and vertical variations of deck section
Section Properties
• Easy to define standard concrete shapes and rebar layouts
• Easy to define standard steel shapes
o I/Wide Flange
o Channel; Double Channels
o Tee
o Angle; Double Angle
o Pipe
o Tube
o Steel Joist
o Built up steel sections
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Section Designer
• Allows for quick creation of arbitrary section shapes.
• Arbitrary steel, concrete, or composite sections
• Caltrans sections
• Calculation of section properties
• Automated fiber layout for fiber hinges
• PMM interaction surfaces
• Moment-curvature relationship
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Abutments
• End skews can be definded
• End diaphragm property, if any
• Substructure assignment for the abutment, which can be none, an abutment
property, or a bent property.
• Vertical elevation and horizontal location of the substructure
• The bearing property, elevation and rotation angle
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Bents
• Superstructure assignments, including diaphragm property.
• Bent property and bent orientation
• Vertical elevation and horizontal location of the bent
• The bearing property, elevation and rotation angle
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Post Tensioning
• Refined options for laying out tendons and forces
• Quick tendon layout
• Tendons in frames, shells, and solids
• External tendons
• Secondary force calculation
• Creep, shrinkage, relaxation, anchorage slip and elastic shortening losses
• Explicit time-dependent effects in tendons
• Automatic location of tendons in girders
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Foundation Modeling
• Advanced modeling capabilities allow foundations to be included with the
superstructure.
• Pile or spread footings
• P-Y multi-linear force deformation assignments
• Compression only soil springs
• Grade beams as line springs
• Soil springs properties may be linear on nonlinear
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Auto Update of Bridge Structural Model
• Update linked model command creates the CSiBridge object-based model from the
parametric bridge definition
• Spine models, area object models and solid object models can be created when the
model is updated
• Auto Update Linked Bridge Objects command on the Bridge menu is a toggle that
allows the bridge model to be automatically updated by the program every time a
change is made.
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Features-CSiBridge Loading
Vehicles
• Auto transfer of vehicle loads to bridge structure
• Extensive vehicle library including AASHTO and other codes
• Fully customizable vehicles
Vehicle Classes
• Vehicle classes are sets of one or more vehicles that can be assigned to act on lanes
in a moving-load case.
• Only one vehicle in a class acts on the lane at a time. Results are reported for the
vehicle causing the most severe response
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Load Patterns
• Unlimited number of load cases and combinations
• Automated design combinations based on selected design code
• Strength and service combinations
• User-defined load combinations
• Linear add, envelope, absolute add, SRSS, and range combinations
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Load Combinations
• Automatic permutation of Wind directions and eccentricities
• CSiBridge will automatically generate wind loads based on various domestic and
international codes including but not limited to:
o UBC 94; 97
o BOCA 96
o ASCE 7-95; -02; -05
o NBCC 2005
o Mexican
o Chinese 2002
o IS875 1987
o User defined
• Open Structure Wind Loading
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Parametric Loading
• Superstructure loads may be defined and assigned to a bridge object model
parametrically.
• Bridge Object loads may be assigned for any defined load pattern type and may
include loads due to wearing surfaces, parapets, forms, diaphragms, girders, decks
and more.
• Once the parametric bridge object loads have been defined they may be easily
displayed and modified.
• Parametrically defined load assignments are preserved even when changes are made
to the bridge object discretizations, deck types or alignments.
Features-CSiBridge Analysis
Bridge Analysis Options
• Support for an exceptionally wide range of moving, static and dynamic load and
analysis types.
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• Moving loads with 3-D influence surfaces
• AASHTO, Chinese, or user-defined nonlinear temperature gradients
• Multi-step static and dynamic moving load analysis
• Response spectrum and time-history analysis
• Geometric and material nonlinearity
• Pushover analysis
• Buckling analysis
• Multi-support base excitation
• Parametric loading of superstructure
• Live load distribution by code or analysis
• True dynamic effects of moving live loads
• High frequency blast dynamics using Wilson FNA
Time History Analysis
• Modal frequency analysis using Ritz or Eigen vectors
• Linear Time History Analysis
• Nonlinear Time History Analysis with the Wilson FNA Method
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Response Spectrum Analysis
• Response-spectrum analysis is a statistical type of analysis for the determination of
the likely response of a structure to seismic loading.
• Response-spectrum analysis seeks the likely maximum response to these equations
rather than the full time history.
• The earthquake ground acceleration in each direction is given as a digitized response-
spectrum curve of pseudo-spectral acceleration response versus period of the
structure.
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Nonlinear Staged Construction
• Provides users with intuitive control over time effects.
• Segmental, composite, and other bridge types
• Gantt chart construction scheduler
• Creep, shrinkage, and strength change
• Camber calculation and shape finding
• Automatic cable tensioning
• Add/remove elements and loads, change section properties, change supports, modify
frame end releases
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Steady State Analysis
• Steady-state analysis is available to determine the response of the structure due to
cyclic (harmonic, sinusoidal) loading over a range of frequencies.
• Multiple loads may be applied at different phase angles.
• The structure may be damped or undamped.
• Frequency-dependent stiffness and damping (complex impedance) properties may
be included for modeling foundations and far-field effects, including radiation
damping.
• The response may be viewed at any phase angle. The effects of multiple machines
operating at different frequencies can be considered by combining the results of
several analyses in the same model.
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Pushover Analysis
• Force-Deformation relations for steel and concrete hinges
• Modal, muiform, or user defined lateral load patterns
• Capacity spectrum conversions
• Effective damping calculation
• Demand spectrum comparisons
• Performance point calculation
• Summary reports including plastic hinge deformations
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Shape Finding
• Allows modification of the undeformed geometry of the structure to achieve a
desired deformed shape.
• Original undeformed geometry of the structure (geometry when the structure was
first defined) is assumed to be the target for the deformed geometry of the structure
under a user-specified load case.
• Option to revise original joint coordinates by subtracting displacements obtained
from a specific case.
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Features-CSiBridge Design
Superstructure Design
• Composite Steel Girder (AASHTO LRFD 2007 and 2008 interims)
• Precast I and U Girder (AASHTO LRFD 2007, CSA-S6-06)
• Concrete Box Girder (AASHTO LRFD 2007, CSA-S6-06)
• Principal stress checks
• Automatic load combinations
• Design checks include:
o Stress checks
o Shear checks
o Flexure checks
o Principal stress checks
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• Optimization of steel girder design
Automated Seismic Design
• CSiBridge allows engineers to define specific seismic design parameters to be applied
to the bridge model during an automated cycle of analysis through design
• Completely integrated automated seismic design according to the new AASHTO
seismic design specification
• Pushover analysis for seismic category D
• Full report with the push of a button
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Features-CSiBridge Load Rating
Load Rating
• Advanced technology automatically determines complex bridge rating factors.
• Concrete box girder bridges (AASHTO LRFR 2005)
• Precast I and U girder bridges (AASHTO LRFR 2005)
• Composite Steel Girder (AASHTO LRFR 2005)
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Features-CSiBridge Output & Display
Deformed Geometry
• 3D perspective graphical displays
• Static deformed and mode shapes animation of deformed shapes
• Users can display deformed geometry based on any load, or combination of loads.
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Bridge Animations
• Animate vehicles and other results to help understand bridge behavior
• Create real time movie files showing time-history and moving vehicle responses
• Include multiple vehicles
• Displays may include displacements and stresses
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Report Generator
• Pre-formatted printed reports are now available at the push of a button. These
reports include all pertinent model data and the results of analysis and design.
• Data is presented in tabulated format, along with graphics, table of contents, and a
cover sheet displaying project information and your company name and logo.
• Reports can be created in RTF file format for Microsoft Word or in HTML format for
web presentations.
• Use the built-in template, or create your own template as a company standard or
specialized for a particular project.
Moment, Shear and Axial Force Diagrams
• Force diagrams and stress contours
• Vertical loads, shears and overturning moments
• Selective results displayed on-screen with right-button click
• Tabular display of model input and output
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Bridge Response
• The moving load case results saved parameters allow explicit specification of the
analysis results for a moving load load case.
• Bridge Responses command can be used to select the response quantities to be
saved
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Influence Surfaces
• Effective visualization options for interpreting bridge response.
• 3D Influence surface plots for joints, frames shells and links
• Influence line or surface plots for joint displacement or reactions
• Plots as contours
• Plots along lane center or lane widths
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Features-CSiBridge Import & Export Formats
Import and Export Formats
• LandXML
• Export model to MS Access database
• Cut & paste portions of model to Excel spreadsheet for editing
• Import/Export model in CIS/2 STEP file format
• PERFORM-3D
• Import/Export data using IFC standards
• Import files in the following program formats:
o DXF/DWG
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CSiBridge System Requirements
Processor:
• Minimum: Intel Pentium 4 or AMD Athlon 64
• Recommended: Intel Core 2 Duo, AMD Athlon 64 X2, or better
• A CPU that has SSE2 support is required
• The SAPFire® Analytical Engine includes a multi-threaded solver that can take
advantage of multi-core CPUs
Operating System:
• Microsoft® Windows XP with Service Pack 2 or later, Microsoft® Windows Vista, or
Microsoft® Windows 7, 32- and 64-bit versions
• With a 64 bit operating system, the SAPFire® Analytical Engine can utilize more than
4 GB of RAM, making it possible to more efficiently solve larger problems
Memory:
• Minimum: 2 GB for XP O/S, 4 GB for Vista/Windows 7 O/S
• Recommended: 4 GB for 32-bit O/S, 8 GB or more for 64-bit O/S
• The problem size that can be solved & the solution speed increases considerably with
more RAM
• Vista/Windows 7 requires more RAM than XP for the operating system itself
Disk Space:
• 6 GB to install the program.
• Recommended: 500GB or larger Hard Disk Drive (7200 rpm SATA)
• Additional space required for running and storing model files and analysis results,
dependent upon the size of the models
Video Card:
• Minimum: Supporting 1024 by 768 resolution and 16 bits colors for standard (GDI+)
graphics mode
• Recommended: Discrete video card with NVIDIA GPU or equivalent and dedicated
graphics RAM (512 Mb or larger) for DirectX graphics mode. The card must be DirectX
9.0c compatible (DirectX SDK Aug 2009 - Build 9.27.1734.0).
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• DirectX graphics mode fully utilizes the hardware acceleration provided by a GPU and
dedicated graphics RAM.
• For better graphics quality in terms of anti-aliasing and line thickness, the device
raster drawing capabilities should support legacy depth bias.
CSiBridge Compare Levels
Parametric Bridge Modeling Plus Plus w/
Rating Advanced Advanced w/
Rating
Bridge template modeling for:
Straight or curved bridges
Steel Girder Bridges
Concrete box girder bridges
Cable stayed bridges
Layout line definitions:
Using bearings and stations
Using landXML data files
Deck section templates:
Steel girder
Concrete box girder
Precast I and U girders
T girders
Super-elevations and skews
Spans
Abutments
Bents
Hinges
Bearings
Nonlinear bearings
Cross sectional variations along length
Lane definitions
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Post-tensioning:
Quick and easy tendon layout
Additional Drafting and Modeling Plus Plus w/
Rating Advanced Advanced w/
Rating
3D line and area objects
3D solid objects
Database of all standard hot rolled steel,
aluminum, & cold formed sections
Section designer for specialized sections
Interactive database spreadsheet editing
Analytical Modeling Features Plus Plus w/
Rating Advanced Advanced w/
Rating
Meshing tools
Automatic mesh generator
Automatic edge constraint technology
for mismatched meshes
2D and 3D frame element
Tendon element
Cable element
Catenary cable behavior
Shell element
Coupled spring element
Plane-stress, plane-strain and solid of
revolution
(Asolid) elements
Linear link element with stiffness and
damping
Automated panel zone element
Nonlinear link elements: gaps, hooks
Nonlinear link elements: plasticity,
dampers, isolators
Frame tension/compression-only
behavior
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Nonlinear frame hinge element
Nonlinear layered shell element
Loading Features Plus Plus w/
Rating Advanced Advanced w/
Rating
Parametric loading capabilities tied to
bridge geometry
Moving loads on lanes independent of
shells and solid elementst
AASHTO and international vehicle load
definitions
General vehicle and train load definitions
Point, line, trapezoidal, and area loads
Tributary area load distribution to frames
Automatic code-based wind loading
Pattern loading
Open structure wind loading
Automatic code-based seismic loading
Applied displacement loading
Gravity, pressure and thermal loading
Strain loads, deformation loads, target
force
Prestress loads
Analysis Features Plus Plus w/
Rating Advanced Advanced w/
Rating
Fast advanced solver technology with
SAPFireTM analysis engine
Multiple 64-bit solvers for analysis
optimization
Generalized joint constraints including:
diaphragms,
plates, rods & beams
Eigen analysis with auto-shifting for ill-
conditioned problems
Ritz analysis for fast predominant mode
evaluation
with missing mass
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Multiple response spectrum cases in
single run
Modal combination by the CQC, SRSS,
GMC or double
sum methods
Direction combinations by the ABS,
SRSS, or CQC3 methods
Linear dynamic modal time history
analysis
Frequency domain analysis
Power spectral density analysis
Linear buckling analysis
Nonlinear buckling analysis
Nonlinear analysis
Tension/Compression-only frame
elements
P-delta analysis - both small and large P-
delta
Static pushover analysis
Wilson FNA (Fast Nonlinear Analysis)
method
Direct integration time history
Line and surface multi-linear springs (P-
y curves)
Material nonlinearity - frame hinges and
links
Geometric nonlinearity - large
displacement
Creep and shrinkage
Staged construction
Gantt chart scheduler
Target final geometry iterations
Static & dynamic load combos - linear,
envelope,
absolute, SRSS, range
Design Features Plus Plus w/
Rating Advanced Advanced w/
Rating
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Rating Rating
Bridge superstructure design:
Composite steel girder (AASHTO
LRFD 2007 with
2008 interims)
Precast I and U girder (AASHTO
LRFD 2007, CSA-S6-06)
Concrete box girder (AASHTO
LRFD 2007, CSA-S6-06)
Automated seismic design:
Category A, B, C
Category D
Bridge Rating Capabilities Plus Plus w/
Rating Advanced Advanced w/
Rating
Concrete box girder bridges (AASHTO
LRFR 2005)
Precast I and U girder bridges (AASHTO
LRFR 2005)
Steel I-Section with Concrete Slab
(AASHTO MBE 2008/2010)
Output and Display Features Plus Plus w/
Rating Advanced Advanced w/
Rating
Deformed and undeformed geometry in
3D
Loading diagrams
Moment, shear and axial force diagrams
Stress contours for area and solid objects
Resultant forces displayed along section
cuts
Detailed results with right button click
Virtual work plots
Time history displays of function vs.
time
3D Influence surfaces
Force vs. deformation plots
Response spectrum curves from time
history response
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history response
Video of animations and time varying
results displays
Capture of graphics to .emf, .jpg, .bmp,
.tif
Customized report generation
CSiBridge Watch and Learn
Title Length Click to Play
CSiBridge - 01 Introductory Tutorial
http://www.youtube.com/watch?v=ISIzOOh39tQ
34 min
CSiBridge - 02 Navigating the Interface
http://www.youtube.com/watch?v=-Tgut69Jq4U
7 min
CSiBridge - 03 Design of Steel Girder Bridges
http://www.youtube.com/watch?v=owYq9ih0APE
18 min
CSiBridge - 04 Design of Precast Concrete Composite
Girder Bridges
http://www.youtube.com/watch?v=sCtcfZ7dsMo
26 min
CSiBridge - 05 Design of Prestressed Concrete Box
Girders
http://www.youtube.com/watch?v=uJN5i8I7gqk
12 min
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CSiBridge - 06 Automated Seismic Design
http://www.youtube.com/watch?v=ULzh61FM4a4
29 min
CSiBridge - 07 Staged Analysis
http://www.youtube.com/watch?v=71OszHhJ3h4
39 min
CSiBridge - 08 Dynamic Vehicle Loading
http://www.youtube.com/watch?v=h-9vz4uyf_Q
7 min
CSiBridge - 09 CSiLoadOptimizer
http://www.youtube.com/watch?v=rx_hWP_PXPc
13 min
CSiBridge - 10 Load Rating Factors
http://www.youtube.com/watch?v=akwBiLw9izg
15 min
Disclaimer: In an effort to highlight certain key capabilities, artistic license may have been
taken during the making of these videos. Some input may have been skipped for the sake of
brevity, resulting in movies that do not portray all of the steps necessary to create a
complete analysis or design. Users should consult the associated program documentation to
make sure that they understand all input and modeling assumptions.
Note: If you would like to download the Watch and Learn videos for offline viewing, please
click here.
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NEWS-CSiBridge 2014 Enhancements
CSiBridge 2014 V16.0.1 and V16.0.2 Enhancements
Significant enhancements include:
• Multiple grid systems can be displayed at the same time
• Multiple mass sources can be defined for modeling alternative dynamic behavior
• Display of frame design D/C ratios can be limited by a specified threshold value
• Shear stress, von Mises stress, and principal stress response is now available for
certain frame sections
• Shell stresses can now be displayed normalized by material strength
• Bearing pressure on shells from area springs can now be displayed
• Bridge seismic design report can now be automatically generated by the program or
by using a user-defined XML contents file
• Import and export of files using the IFC 4 format is now supported
CSiBridge V16.0.0 Enhancements
Significant enhancements included in CSiBridge 2014 v16.0.0 , besides bug fixes:
• The memory capacity of the graphical user interface has been increased to handle
larger models.
• A new link property has been added to model triple pendulum isolators (bearings).
• A new frame section property type has been added to model hybrid built-up steel U-
girders.
• Tendons can now be used to model straight external tendons.
• New built-in materials have been added for ASTM A709 (steel) and ASTM A772
(tendon).
• The precast I-girder deck section now permits the use of nonprismatic girders and
staggered diaphragms.
• A new bridge section type has been added to represent composite steel U-girder
superstructure sections.
• Superstructure design has been added for the AASHTO LRFD Bridge Design
Specifications, 6th Edition, 2012.
• Steel superstructure design has been added for Eurocode EN 1994-2.
• Steel superstructure design has been added for the Canadian CAN/CSA- S6-06 code.
• Concrete superstructure design has been added for the India Roads Congress
IRC:112-2011 code.
• U-section steel-girder composite bridge superstructure design has been added for
AASHTO LRFD 2007 and 2012.
• Automated bridge seismic design is now available for steel columns.
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• Automated bridge seismic design is now available for bridges crossing fault-rupture
zones according to Caltrans Memo to Designers 20-8.
• Automated bridge seismic design has been updated to AASHTO Guide Specifications
for LRFD Seismic Bridge Design, 2nd Edition, 2011.
• Bridge load rating has been added for AASHTO The Manual for Bridge Evaluation, 2nd
Edition, 2011.
• Load combinations have been added for bridge design according to the Indian IRC:6-
2010 code.
• Response spectrum functions have been added for the AASHTO 2012 code.
• Automated lateral loading has been added for the IBC 2012 code.
• Automated lateral loading has been added for the Italian NTC 2008 code.
• Automated lateral loading has been added for Turkish TSC 2007 and TS 498-97 codes.
• Steel frame design has been added for AISC 360-10 and AISC 341-10 codes.
• Concrete frame design has been added for the ACI 318-11 code.
• Other minor enhancements.