Bridging Your Innovations to Realities

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2 Graphic User Interface Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

3 User Interface Organization of Windows and Menu System Menus and Windows Layout Main menu Tabbed Toolbar Works Tree Context menu Task Pane Render View Command Line Message Window Unit Control - Tabbed toolbar is designed to minimize mouse motion for efficiency. - Excel compatible tables for both input and output. - Works Tree enables to manipulate entered data more easily and avoid modeling mistakes. - Task Pane guides work procedure for advanced analysis function for faster learning process.

4 User Interface View Control Various model display methods Wire Frame Remove Hidden line Hidden / Perspective Transparency - The Render View function assist the user to accurately grasp the 3D views of the model and the analysis and design results through diverse view angles and points. - These functions help the user grasp the input state of the model and manipulate the model as much as desired. - It minimizes possible data input errors and differentiate design reports by extensive visualization functions.

5 User Interface Visualization Options Controls visualization options for Elements / Load / Boundary Condition - It provides graphical representation of all types of data entries such as node/element numbers, material properties, section names, loadings, support conditions, end release conditions, rigid body connection conditions, design parameters, etc. - These representation capabilities enable the user to verify the status of data entries by graphics in the working window.

6 User Interface Merge Data Files 3 separate data files merged into one total model Support Frame Vessel 1 Vessel 2&3 - It enables to divide the modeling task of a complex structure where the geometric configuration is irregular, complicated and large, - User can combine several sub-models where the geometric shapes are modeled separately for the final structural analysis model.

7 Modeling Features Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

8 Modeling Features Post-tensioned Box Section Numerous built-in section types - It enables to create typical PSC bridge section by specifying few section characteristics. - PSC section wizard improves productivity of your modeling tasks.

9 Modeling Features Special Section Types Composite / Tapered Section Composite Section Tapered Section - The member force before and after composite effect can be easily computed for the Composite Girder Bridge - The grillage model of the Composite Girder Bridge can be analyze considering the construction stage before and after composite effect. - The stiffness for tapered Arch Rib and Segmental Girder can be calculated more accurately.

10 Modeling Features User Defined Section Import an arbitrary section data from DXF Import CAD data Or Define sections in SPC Define Section Shape in CAD Import SPC Section using Value Type of PSC Section - User can import any DXF section drawing created in CAD. - Any complex and unusual bridge sections can be modeled and analyzed. - Accurate analysis result can be obtained by calculating the exact torsional stiffness. - A composite section with different materials can be modeled.

11 Modeling Features Material Definition Provides two types of Time Dependent Materials (Creep & Shrinkage / Comp. Strength) Creep & Shrinkage Compressive Strength - When a construction stage analysis is required for a long span bridge structure to reflect shrinkage and long-term deflection, or a structure is analyzed for heat of hydration, time dependent material properties must be incorporated.

12 Modeling Features Vehicular Loads Available Vehicular Load Codes Eurocode AASHTO LRFD AASHTO Standard Caltrans Standard PENNDOT LRFD Canadian BS5400 & BD37 IRC6:2000 User Defined Influence line and influence surface analysis - It applies vehicle loads considering all possible loading conditions including bi-directional traffic loading and eccentric torsional loading conditions for multiple traffic lanes and traffic surface lanes. - Where a traffic lane (centerline) is transversely eccentric to a traffic lane element, a torsional moment is applied to the traffic lane element in addition to a vertical load. - The impact factor in Dynamic Load Allowance is automatically considered.

13 Bridge Applications Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

14 Bridge Applications Bridges Wizards Types of Bridge Structures Supported by midas Civil Suspension Bridge Cable Stayed Bridge RC Slab Bridge RC Frame/Box Culvert MSS Bridge ILM Bridge FCM Bridge FSM Bridge - It provides Bridge Wizards for modeling various types of bridge construction encountered in practice. The wizards can quickly create the models of completed structures. - Since the wizards incorporates bridge engineering knowledge, it significantly reduces time on model generation including automatic construction stage definition.

15 Bridge Applications Reinforced Concrete Bridges RC Bridge Wizards RC Slab Bridge Wizard Box Culvert Wizard - Auto-generation of entire process required for analysis and design by simple data entry - Auto-generation of loads and combinations based on various design standards - Design of reinforcing bars and strength verification of beams and columns

16 Bridge Applications Composite Girder Bridges Composite Girder Bridge Analysis Lumped Tendon representation Composite Curved Steel Plate Girder Bridge Composite PC Girder Bridge - One model can be analyzed with and/or without the composite effect. - Users do not need to waste time on managing two different analysis model and results.

17 Segmental Bridges Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

18 Segmental Bridges Introduction Segmental Bridge Types MSS (Movable Scaffolding System) FSM (Full Staging Method) FCM (Free Cantilever Method) ILM (Incremental Launching Method) - It provides Bridge Wizards for modeling various types of bridge construction encountered in practice. The wizards can quickly create the models of completed structures. - Since the wizards incorporates bridge engineering knowledge, it significantly reduces time on model generation including automatic construction stage definition.

19 Segmental Bridges FCM Bridge FCM Bridge Wizard Model Tab Select Material Properties & Pier Section Input No. of Days for Constructing a Segment Input Bridge Configuration & Division of Segments Input Initial Maturity for Each Member Section Tab Input Sectional Dimensions Check Sectional Configuration Input Form Traveler Load Tendon Tab (Type1) Tendon Tab (Type2) Input Tendon Placement Input Tendon Properties & Jacking Forces Input No. of Tendons Input No. of Anchors for Each Segment FCM Tendon Viewer - An FCM Bridge model and construction stages are automatically produced after having entered only cross sections, tendon placement and bridge information. - It is capable of Real time Display of construction stages auto-generated by FCM Bridge Wizard.

20 Segmental Bridges FCM Bridge FCM Bridge Construction Sequence Stage 1 Stage 5 Stage 9 Stage 13 Stage 14 Stage 15 Stage 16 Stage 16 - An FCM Bridge model and construction stages are automatically produced after having entered only cross sections, tendon placement and bridge information. - It is capable of Real time Display of construction stages auto-generated by FCM Bridge Wizard.

21 Segmental Bridges ILM Bridge ILM Bridge Wizard ILM Model Tab 1 st Stage of Tendons (Top & Bottom) 2 nd Stage of Tendons (Web) Nose & Post-tension Input Define Each Segment Input Support Conditions 1st Stage Tendons 3-D Tendon Placement Check Compression-only Support Points 2nd Stage Tendons

22 Segmental Bridges FCM Bridge ILM Bridge Construction Sequence Definition of Launching Distances & Construction Stages ILM Model with Defined Construction Stages Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 Stage 6 Stage 7 Stage 8 Stage 9

23 Segmental Bridges Useful Features for Segmental Bridges Specifying Segmental Bridge Section Scale Factor Display of Section Calculation Results Reinforcement of Section Effective Width Section Properties - Constrain effect of rebar about Creep and Shrinkage can be reflected in the analysis. - By automatically calculating the effective width due to Shear Lack, it reduces manual calculation work for each section.

24 Segmental Bridges Useful Features for Segmental Bridges Useful Results Graphs and Tables Immediate loss Creep/Shrinkage loss Relaxation loss Prestress Loss Graphs and Tables Automatic Check for Tendon Stress Limits - Prestress loss can be checked per each construction stage / per tendons. - Additional elastic deformation loss due to tensioning sequence can be calculated. - Prestress gain/loss due to superimposed dead load can be found. - Tendon stress both at the immediate states after tensioning and at the time of service can be determined.

25 Segmental Bridges Useful Features for Segmental Bridges Useful Results Graphs and Tables Camber Table and Graph Contour & Graph of Nose Tip Deflection - The camber of FCM Bridge can be easily obtained considering self weight, shrinakage, and prestress loss.

26 Segmental Bridges Useful Features for Segmental Bridges Bending Moment Diagram for Construction Stage Results Minimum Bending Moment Envelope upon Completion

27 Segmental Bridges Transverse Analysis Model Wizard Cross-Section Model of PSC Box Bridge Automatic Generation of Cross-Section Model from the Longitudinal Frame Model - 2D Transverse analysis model is automatically generated from the global analysis bridge model. - Transverse tendons and reinforcements can be considered

28 Cable Bridges Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

29 Cable Bridges Cable-stayed Bridge Cable Stayed Bridge Wizard Cable Stayed Bridge Wizard Completed Structure Model - This permits generating accurate models and performing analyses of many design alternatives in a short time. - Initial cable forces are calculated through Optimization for initial equilibrium state analysis. - It also provides the Construction stage function, which enables us to reflect Creation/Deletion of elements, change in boundary conditions and loading changes that may occur in various stages of construction.

30 Cable Bridges Cable-stayed Bridge Unknown Load Factors in Cable-stayed Bridge Unknown Load Factor Detail Unknown Load Factor Constraint Unknown Load Factor Result Completed Structure Model - The unknown load function is used to find the optimal distribution of cable forces which satisfy the target configuration of bridge for stage and completed model. - Auto iteration analysis enables to consider creep and shrinkage effect for concrete cable-stayed bridge.

31 Cable Bridges Cable-stayed Bridge Backward/Forward Construction Stage Stage 10 Stage 2 Stage 18 Backward Construction Stage Stage 32 Stage 26 Stage 30 - The cable tensioning forces required during the construction can be obtained by backward/forward construction stage analysis.

32 Cable Bridges Suspension Bridge Construction Sequence of Suspension Bridge Stage 1 Stage 5 Stage 9 Stage 13 Stage 14 Stage 15 Stage 16 Stage 16 - Analyses for the completed structure as well as the structures during construction stages are carried out after determining the initial equilibrium state by simply applying Suspension Bridge Wizard. - The wizard automatically calculates the cable coordinates and tensions of the completed structure. - Using 3D Elastic suspension line element and Equivalent truss element can consider non-linear characteristics of the cables.

33 Cable Bridges Construction Stage Analysis Control Data Geometry Nonlinearity & P-delta effect - P-delta or the large displacement geometric nonlinearity can be considered along with creep and shrinkage effect.

34 Analysis Features Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

35 Analysis Features Analysis Capabilities Analysis Capabilities Construction Sequence analysis Vehicular Load Analysis > Influence Line & Influence Surface Modal Analysis > Eigen Value & Ritz Vector Dynamic Analysis > Response Spectrum > Time History Large Displacement Analysis P - Delta Analysis Buckling Analysis Thermal Stress Analysis Heat of Hydration Analysis Nonlinear Analysis > Material & Geometric Nonlinearity > Pushover & Fibre Model Analysis > Inelastic Time History Analysis > Boundary Non-linear Analysis (Gap, Hook, Damper, and Isolator)

36 Analysis Features Dynamic Analysis Response Spectrum Analysis Multiple spectrums input Modification of response spectrum reflecting modal damping ratios Interpolation of response spectrum Response Spectrum Analysis Function - Response spectrum analyses are carried out for seismic designs using the design spectra defined in design standards.

37 Analysis Features Dynamic Analysis Nonlinear / Inelastic Time History Analysis Kinematic Hardening Clough Takeda Modified Takeda Nonlinear/Inelastic Time History Analysis Function - Considering the plastic behavior of member, the accurate dynamic response can be checked about seismic loads. - Direct integration of the full equations of motion without the use of modal superposition is available - Material damping is supported

38 Analysis Features Dynamic Analysis Dynamic Boundary Nonlinear Analysis Nonlinear Link Definition - Dynamic Boundary Nonlinear Analysis considers nonlinear dynamic behavior of seismic isolators and dampers with the elastic behavior of members.

39 Analysis Features Dynamic Analysis Inelastic dynamic analysis using Fiber Model Fiber Elements Fiber Models - A fiber plastic hinge in which the cross-section is partitioned into fibers is available to predict the inelastic behavior of frame members. - It can minimize modeling and solution time comparing with the material nonlinear analysis using yield surface.

40 Analysis Features Nonlinear Analysis Pushover Analysis - It allows us to evaluate overall structural behaviors and performance characteristics. - It enables us to investigate the sequential formation of plastic hinges in the individual structural elements constituting the entire structure. - When a structure is to be strengthened through a rehabilitation process, it allows us to selectively reinforce only the required members, thereby maximizing the cost efficiency.

41 Analysis Features Nonlinear Analysis Material Nonlinear Analysis Element Types Truss Plane Stress Plane Strain Axisymmetric Solid Plastic Material Models Tresca Von Mises Mohr-Coulomb Drucker-Prager Hardening Models Isotropic Kinematic Mixed

42 Analysis Features Heat of Hydration Analysis Heat of Hydration - Temperature History - It enables us to predict and control temperature and stress distribution within a structure to avoid potential problems. - It entails temperature distribution analysis for conduction, convection, heat source, etc.; change in modulus of elasticity due to curing and maturity; and stress analysis for creep and shrinkage.

43 Result Evaluation Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features

44 Result Evaluation Max. denoted in red Reaction Diagram Steel arch bridge Deformed Shape + Displacement Contour Mi n Max Min/max bending moments due to a vehicular load Beam BMD (MV:min & MV:max) Plate Moment (Cutting Diagrams)

45 Result Evaluation Combined Stresses contour Principal Stress Vectors (Plate Elements) Von Mises Stresses + Deformed Shape Principal Stresses & Displacements

46 Result Evaluation Stress output location on PSC section (Max. Positive Moment) Vehicular Load Tracer Trace the vehicular load location where the max moment occurs

47 Result Evaluation Influence Line Animation

48 Design Features Graphic User Interface Modeling Features Bridge Applications Segmental Bridges Cable Bridges Analysis Features Result Evaluation Design Features Project Application

49 Design Features Design Standards Structural Steel Design Standards American Association of State Highway and Transportation Officials, Section 6 Steel Structures, 2002 (AASHTO-LRFD02) Load & Resistance Factor Design Specification for Structural Steel Buildings, 1993/2000 (AISC-LRFD93/2k) Specification for Structural Steel Buildings : Allowable Stress Design,1989 (AISC-ASD89) Indian Standard, Code of Practice for General Construction in Steel (Second Revision), 1984 (IS: ) Reinforced Concrete Design Standards American Association of State Highway and Transportation Officials, Section 5 - Concrete Structures, 2002 (AASHTO-LRFD) Canadian Highway Bridge Design Code (CAN/CSA-S6-00) American Concrete Institute, Building Code Requirements for Structural Concrete and Commentary : Ultimate Strength Design, 1989/95/99/2k (ACI318-89/95/99/02)

50 Design Features Design Reports Visual Display Column Design Detail Design Reports

51 Thank You!

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