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Home Products Allplan Allplan Bridge

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Allplan Bridge Option

The professional BIM solution for bridge design

Allplan Bridge is a powerful solution for parametric modeling of bridges. The software supports all design phases, from concept to final design. The parametric 3D model offers an unprecedented level of user friendliness and flexibility, saving significant design time. Design your bridges more efficiently:
  • Optimal work processes for bridge design
  • Maximum flexibility and reduction in errors due to design change
  • Improved BIM workflows.
Allplan Bridge has been developed by recognized bridge experst - the Allplan Infrastructure team Graz - and to the requirements of bridge engineers.

Model creation without compromise. The 3D parametric model description considers the road layout, bridge alignment and required cross-sections, making model configuration quick and efficient. Complex geometries including double curved alignment and variable cross-sections can be created easily with the help of alphanumeric entries and formulas. For example, the user only needs to define one typical cross-section and Allplan Bridge will accurately calculate all cross-section variants in accordance with the defined table(s) or/and formula(s). A complete 3D bridge model cannot be generated more easily or quickly.

Changes made in no time at all.
Allplan Bridge helps you to manage the inevitable changes that occur during the design process. The parametric model description is an ideal base for adapting design changes. The modifications are incorporated only at their origin and all other linked members are automatically updated. For example, if the road axis changes the complete bridge geometry will be adjusted. If only a certain structural member is modified only directly linked elements will be recalculated.

Smooth data exchange
. Integrating road data used for road/bridge alignment is easily achieved via Allplan‘s openBIM
platform Allplan Bimplus. The bridge engineer must only take over the road data and can immediately start with the bridge design. To assist the engineer even further, the bridge model can easily be transferred to analysis software for structural calculations. Once the design is completed, the parametric model can be transferred to Allplan Engineering for completion of pre-stressing and reinforcement drawings. Convenient operation. Compared to mechanical engineering CAD software or traditional 2D drafting, working with Allplan Bridge is very convenient and specifically tailored to the requirements of bridge engineering. This leads to an essential optimization of the working speed. Furthermore, you can use Allplan Bridge on multiple monitors at the same time. Allplan Bridge automatically adapts its user interface to the screen size and resolution and is ideal for the use in powerful high-resolution monitors.

Intelligent database.
Allplan Bridge benefits from a built-in database that is continuously logging modifications as the project progresses. This will benefit projects that have a long design period by ensuring project data is securely available for the duration of the project.

From model to time planning
. The parametric bridge model generated in Allplan Bridge can be subdivided into individual construction elements. These can be transferred to Allplan Bimplus and linked with time-specific attributes. Thus a
construction sequence can be easily defined and visualized.

Technical support from bridge experts.
Allplan‘s bridge design experts have over 30 years’ of experience supporting engineers worldwide.

News in Allplan Bridge 2020-1

3D Tangents for Tendon Modeling
Allplan Bridge provides several workflows of modeling the tendon geometry and makes it easy to model a wide range of pre-stressing types: with immediate or later bond, internal and external, longitudinal, transverse and vertical, as well as with non-standard geometry. A new approach was developed allowing to define certain tendon geometries even easier: the user defined 3D tendon points (tangent intersections points) define the tendon tangents in 3D space which represent the basis for calculating the tendon geometry using the given curvature radius.
2. Traffic Loads
Traffic loads can be defined/applied in a very comfortable way. On the one side, the traffic load is automatically applied in accordance with the selected standard. On the other side, the generic approach of live load definition implemented in Allplan Bridge allows the user to consider any type of moving load.
3. Influence Lines
The moving load analysis in Allplan Bridge allows for considering the most unfavorable effects due to traffic. The approach is based on the theory of related influence lines allowing an easy and fast calculation. The final result is saved as an envelope.

4. Code-Based Design (Technical Preview)
Once the global effects are calculated and the relevant envelopes have been created the user can perform code dependent design tasks to determine the required reinforcement content. Once the reinforcement content is calculated or manually specified, ULS checks can be performed. A 3D interaction surface (axial-force/biaxial-bending moment) is hereby calculated and intersected with the internal moment vector MRes giving the user the detailed information of the girder capacity.
5. Element & Load Removal
Part of every construction process are temporary structures. In Allplan Bridge, the time as 4th dimension is considered when specifying the construction phases. New in this release is the possibility to consider these structures within the construction plan not only geometrically but also analytically. The product analyzes the defined construction schedule and assembles all necessary calculation tasks in an automated process, like load case definition, element deactivation, calculation actions and updating the summation load-cases.
6. Creep, Shrinkage and Relaxation according to AASHTO LRFD
Particularly important for the construction stage analysis of prestressed and reinforced concrete structures is the correct consideration of the time-dependent effects. In Allplan Bridge the calculation of creep and shrinkage of concrete and relaxation of prestressing steel is code-compliant and now also available for AASHTO LRFD.
7. Enhanced View Options
The complex 3D parametric model created and calculated in Allplan Bridge can be displayed in two different views. The first view visualizes the geometrical model with all the details defined while modeling. In the second view, the automatically derived analytical model reduced to the statically relevant components is displayed. Geometric bridge models usually contain a large amount of information. For the user there are several possibilities to keep the overview, nevertheless. New in this release are the options to use the isolation box or to “hide objects from the view” to display only the part of the structure in which the user is interested.
 8. Load Visualization
Many different loads can be applied on the structure in the construction sequence or in the final state. Superimposed dead loads can be derived automatically from the geometrical system and for all other loads (except traffic loads) standard load types can be used. Such as uniform load, point load, pressure load, and many more. The loads are applied in 3D on the geometrical model and automatically transferred to the analysis model. In the new version the loads can be also visualized. This gives the user a further control of the input.
9. Exchange Analysis Model
The analysis model is automatically derived from the geometrical model can be uploaded to Allplan Bimplus. This allows to share this model with all other analytical solutions connected with Allplan Bimplus.


1.     Influence Lines

The moving load analysis in Allplan Bridge allows for considering the most unfavorable effects due to traffic. The approach is based on the theory of related influence lines allowing an easy and fast calculation. The final result is saved as an envelope.

 

2.     Code-Based Design (Technical Preview)

Once the global effects are calculated and the relevant envelopes have been created the user can perform code dependent design tasks to determine the required reinforcement content. Once the reinforcement content is calculated or manually specified, ULS checks can be performed. A 3D interaction surface (axial-force/biaxial-bending moment) is hereby calculated and intersected with the internal moment vector MRes giving the user the detailed information of the girder capacity.

 

3.     Element & Load Removal

Part of every construction process are temporary structures. In Allplan Bridge, the time as 4th dimension is considered when specifying the construction phases. New in this release is the possibility to consider these structures within the construction plan not only geometrically but also analytically. The product analyzes the defined construction schedule and assembles all necessary calculation tasks in an automated process, like load case definition, element deactivation, calculation actions and updating the summation load-cases.

 

4.     Creep, Shrinkage and Relaxation according to AASHTO LRFD

Particularly important for the construction stage analysis of prestressed and reinforced concrete structures is the correct consideration of the time-dependent effects. In Allplan Bridge the calculation of creep and shrinkage of concrete and relaxation of prestressing steel is code-compliant and now also available for AASHTO LRFD.

 

5.     Enhanced View Options

The complex 3D parametric model created and calculated in Allplan Bridge can be displayed in two different views. The first view visualizes the geometrical model with all the details defined while modeling. In the second view, the automatically derived analytical model reduced to the statically relevant components is displayed. Geometric bridge models usually contain a large amount of information. For the user there are several possibilities to keep the overview, nevertheless. New in this release are the options to use the isolation box or to “hide objects from the view” to display only the part of the structure in which the user is interested.

 

6.     Load Visualization

Many different loads can be applied on the structure in the construction sequence or in the final state. Superimposed dead loads can be derived automatically from the geometrical system and for all other loads (except traffic loads) standard load types can be used. Such as uniform load, point load, pressure load, and many more. The loads are applied in 3D on the geometrical model and automatically transferred to the analysis model. In the new version the loads can be also visualized. This gives the user a further control of the input.

 

7.     Exchange Analysis Model

The analysis model is automatically derived from the geometrical model can be uploaded to Allplan Bimplus. This allows to share this model with all other analytical solutions connected with Allplan Bimplus.

 

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