CSIBridge version 15.2.0

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.

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 V15.2.0 Enhancements

Significant new features:

• Design checking has been implemented for concrete superstructure sections according to the "Eurocode EN 1992-2" code (EN 1992-2:2005, Eurocode 2: Design of concrete structures - Part 2: Concrete bridges - design and detailing rules). Superstructure types supported include prestressed concrete box girders and composite sections with precast I-girders and U-girders. Separate design checks are provided for stress, flexural strength, and shear strength using MCFT (modified compression field theory). The effect of mild reinforcing is included as well as the prestress tendons. Live-load distribution factors can be specified by the user or determined from detailed 3-D live-load analysis. Design results are displayed graphically for the entire box section, or on a girder-by-girder basis for multi-celled box girders and composite sections. Detailed tables showing all results and intermediate values are available for display, printing, and export to Excel or Access.
• Load combinations and design load types have been added for bridge design according to the code EN 1991-2:2003, Eurocode 1: Actions on structures - Part 2: Traffic loads on bridges.
• Vehicle loads have been added bridge design according to EN 1991-2:2003, Eurocode 1: Actions on structures - Part 2: Traffic loads on bridges.
• Standardized vehicles are now categorized by Region and Standard, making it easier to add and modify new vehicle loads.
• A vehicle class is now automatically created for each vehicle so that the user only needs to create vehicle classes when multiple vehicles are to be enveloped.
• For the optimization of steel-girder bridge design, the "As Designed" location of web stiffeners last used for recalculating the resistance is now saved if the model is unlocked or saved as a new model when closing the optimization form.
• Steel frame section properties for the AISC Shapes Database Version 14.0 are now available in the section-property database files for U.S Customary and metric units.
• The definition of material properties has been enhanced to allow user-defined standard materials through the use of XML files. Properties are segregated by region and by code-standard within these files as well as when using the materials in the graphical user interface.
• New Chinese materials are now available to define concrete, steel, rebar, and tendon properties according to JTG, TB, and GB standards.
• Concrete materials are now available having properties consistent with the Spanish code "EHE - Instrucción de Hormigón Estructural.
• Italian material definitions have been added for: (1) Concrete according to standard UNI EN 206-1:2006 and UNI 11104:2004, (2) Steel and rebar according to standard NTC2008.
• Other minor enhancements

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Thanks and good luck!