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A must have program for bridge design professional www.sofistik.com.

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Presentation on theme: "A must have program for bridge design professional www.sofistik.com."— Presentation transcript:

1 a must have program for bridge design professional

2 Challenges regarding the Finite Element Method in Bridge Analysis and Design  Strategy to manage changes in the model during the design process  Selection of the appropriate numerical model (i.e. beam, shell or volume-elements?)  Fast traffic load analysis (…time is money)  Reliable design according to various codes and simulation of time-dependent effects  Powerful graphical result presentation  Special investigations in the same environment if necessary (e.g. dynamic wind, nonlinear, seismic…)

3 SOFiSTiK is complete solution for all your bridge design challenges.  Strategy to manage changes in the model during the design process CABD: Parametric Modeling  Selection of the appropriate numerical model (i.e. beam, shell or volume-elements?) Hybrid Systems and combination of all kinds of elements  Fast traffic load analysis (…time is money) Inbuilt vehicle loads & Influence line evaluation  Reliable design acc. to various codes and simulation of time-dependent effects Design and Construction Stage Manager Modules  Powerful graphical result presentation 3D Interactive post-processing  Special investigations in the same environment if necessary (e.g. dynamic wind, nonlinear, seismic… Full modular concept with high-end features and programming interfaces

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5 CABD: Computer Aided Bridge Design  Graphical Tasks support the Bridge Engineer:

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7 Task area Interactive working area Tabular output

8 Model creation with SOFiPLUS

9 Reports with URSULA

10 Visualisations with ANIMATOR

11 Graphical output with WINGRAF

12 ASCII-Input with TEDDY

13 CABD – Computer Aided Bridge Design  Reference axis as basis Primary axes, secondary axes, variables, placements  Graphical cross ‐ section input (cross-section editor in SOFiPLUS i.e. based on AutoCAD)  Tendon layout  Traffic loading (Influence line evaluation)  Construction stage simulation (CSR)  Enveloping and Design  Postprocessing

14 CABD - Geometry  Traffic route axes, bridge axes, secondary axes,...

15 CABD- Variables  Cross section geometry, secondary axes,...

16 CABD- Placements  Important points and sections along an axis Start- and Endfaces, Supports, Construction Joints, Transversal beams, CS jumps  Alignment on primary axis

17 CABD- Structure  Meshing Meshing - Parameters: ctrl MESH, ctrl HMIN,...  Substructures with reference to an axis respectively placements

18 CABD- Tendon layout  With reference to an axis Prestressing effects for pre ‐ /post ‐ tensioning and internal or external tendons Cubic 3D spline tendon geometry Calculation of losses for tendons with 3D profile and curvature Jacking and construction sequences Prestress for beam and shell structures Immediate bond with additional strain in ULS Unbonded tendons Library of prestressing systems Tendon stress diagram Jacking protocol (numerical and graphical)

19 CABD- Moving Loads  With reference to an axis Load stepping method / Influence line method  Load models and groups of loads acc. various codes

20 CABD- Construction methods, enveloping and design  Construction Methods: ILM (‘moving springs’), BCM, Span-by- Span, CM with large displacements, Precamber, Optimization, Shop-Forms  Time dependent effects of creep, shrinkage and relaxation within the ‘Construction Stage Manager’ (CSM)  ULS design for beam ‐ and shell ‐ elements and various SLS stress checks of all materials in different stages.  A broad range of international design codes (e.g. EC, BS, AS, AASHTO, NTC 2008, IRC)  Interactive graphical and numerical post ‐ processing

21 Example: Balanced Cantilever…  Key-Issue: Sensible group assignments  Optional: Young's Modulus modification for young concrete in CSM etc.


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