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CSiBridge Levels & Features
Latest release: CSiBridge 15.2.0
Parametric Bridge Modeling
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Bridge template modeling for:

      Straight or curved bridges

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      Steel Girder Bridges
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      Concrete box girder bridges
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      Cable stayed bridges
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Layout line definitions:
      Using bearings and stations
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      Using landXML data files
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Deck section templates:
      Steel girder
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      Concrete box girder
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      Precast I and U girders
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      T girders
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Super-elevations and skews
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Spans
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Abutments
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Bents
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Hinges
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Bearings
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Nonlinear bearings
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Cross sectional variations along length
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Lane definitions
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Post-tensioning:
      Quick and easy tendon layout
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Additional Drafting and Modeling
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3D line and area objects
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3D solid objects
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Database of all standard hot rolled steel, aluminum, & cold formed sections
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Section designer for specialized sections
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Interactive database spreadsheet editing
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Analytical Modeling Features
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Meshing tools
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Automatic mesh generator
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Automatic edge constraint technology for mismatched meshes
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2D and 3D frame element
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Tendon element
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Cable element
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Catenary cable behavior
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Shell element
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Coupled spring element
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Plane-stress, plane-strain and solid of revolution
(Asolid) elements
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Linear link element with stiffness and damping
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Automated panel zone element
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Nonlinear link elements: gaps, hooks
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Nonlinear link elements: plasticity, dampers, isolators
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Frame tension/compression-only behavior
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Nonlinear frame hinge element
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Nonlinear layered shell element
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Loading Features
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Parametric loading capabilities tied to bridge geometry
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Moving loads on lanes independent of shells and solid elementst
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AASHTO and international vehicle load definitions
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General vehicle and train load definitions
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Point, line, trapezoidal, and area loads
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Tributary area load distribution to frames
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Automatic code-based wind loading
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Pattern loading
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Open structure wind loading
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Automatic code-based seismic loading
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Applied displacement loading
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Gravity, pressure and thermal loading
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Strain loads, deformation loads, target force
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Prestress loads
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Analysis Features
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Fast advanced solver technology with SAPFireTM analysis engine
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Multiple 64-bit solvers for analysis optimization
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Generalized joint constraints including: diaphragms,
plates, rods & beams
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Eigen analysis with auto-shifting for ill-conditioned problems
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Ritz analysis for fast predominant mode evaluation
with missing mass
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Multiple response spectrum cases in single run
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Modal combination by the CQC, SRSS, GMC or double
sum methods
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Direction combinations by the ABS, SRSS, or CQC3 methods
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Linear dynamic modal time history analysis
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Frequency domain analysis
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Power spectral density analysis
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Linear buckling analysis
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Nonlinear buckling analysis
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Nonlinear analysis
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Tension/Compression-only frame elements
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P-delta analysis - both small and large P-delta
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Static pushover analysis
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Wilson FNA (Fast Nonlinear Analysis) method
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Direct integration time history
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Line and surface multi-linear springs (P-y curves)
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Material nonlinearity - frame hinges and links
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Geometric nonlinearity - large displacement
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Creep and shrinkage
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Staged construction
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Gantt chart scheduler
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Target final geometry iterations
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Static & dynamic load combos - linear, envelope,
absolute, SRSS, range
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Design Features
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  Bridge superstructure design:        
 
      Composite steel girder (AASHTO LRFD 2007 with
      2008 interims)
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      Precast I and U girder (AASHTO LRFD 2007, CSA-S6-06)
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      Concrete box girder (AASHTO LRFD 2007, CSA-S6-06)
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  Automated seismic design:        
 
      Category A, B, C
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        Category D
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Bridge Rating Capabilities
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Concrete box girder bridges (AASHTO LRFR 2005)
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Precast I and U girder bridges (AASHTO LRFR 2005)
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Steel I-Section with Concrete Slab (AASHTO MBE 2008/2010)
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Output and Display Features
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Deformed and undeformed geometry in 3D
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Loading diagrams
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Moment, shear and axial force diagrams
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Stress contours for area and solid objects
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Resultant forces displayed along section cuts
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Detailed results with right button click
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Virtual work plots
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Time history displays of function vs. time
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3D Influence surfaces
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Force vs. deformation plots
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Response spectrum curves from time history response
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Video of animations and time varying results displays
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Capture of graphics to .emf, .jpg, .bmp, .tif
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Customized report generation
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CSI software products are proudly developed in the United States of America.