This model represents a reinforced concrete building and visualizes typical elements of a reinforced concrete building. Essential components, such as columns and beams, have been integrated in order to realistically represent the load-bearing capacity and behavior under load. The structure provides a detailed technical representation that can be used for analytical purposes and comparisons.
Submodels
Model Used in
- Eurocode 2 | Concrete Structures According to DIN EN 1992-1-1
- Eurocode 2 | Concrete Structures According to DIN EN 1992-1-1
- Eurocode 2 | Concrete Structures According to DIN EN 1992-1-1
- Eurocode 2 | Concrete structures according to EN 1992-1-1
- Eurocode 2 | Concrete structures according to DIN EN 1992-1-1
- Eurocode 2 | Concrete Structures According to DIN EN 1992-1-1
- Eurocode 2 | Concrete Structures According to DIN EN 1992-1-1
- Eurocode 2 | Concrete Structures According to DIN EN 1992-1-1
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Reinforced Concrete Building Model
| Number of Nodes | 101 |
| Number of Lines | 141 |
| Number of Members | 8 |
| Number of Surfaces | 16 |
| Number of Load Cases | 5 |
| Number of Load Combinations | 52 |
| Number of Result Combinations | 4 |
| Total Weight | 212,954 t |
| Dimensions (Metric) | 14.538 x 11.538 x 6.038 m |
| Dimensions (Imperial) | 47.7 x 37.85 x 19.81 feet |
| Program Version | 5.21.01 |
You can download this structural model to use it for training purposes or for your projects. However, we do not assume any guarantee or liability for the accuracy or completeness of the model.
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![Basic Shapes of Membrane Structures [1]](/en/webimage/009595/2419502/01-en-png-png.png?mw=512&hash=6ca63b32e8ca5da057de21c4f204d41103e6fe20)
This paper is focused on the specific aspects of designing membrane structures that have specific requirements, such as form-finding and cutting pattern generation. An integral part of the design of these structures is the process of finding suitable prestressed shapes and generating cutting patterns. The text briefly describes two basic processes in the design of membrane structures. The physical principles are explained and the individual theses illustrated by examples.
RWIND 2 is a program for generating wind loads based on CFD (Computational Fluid Dynamics). The wind flow numerical simulation is generated around any building, including irregular or unique geometry types, to determine the wind loads on surfaces and members. RWIND 2 can be integrated with RFEM/RSTAB for the structural analysis and design or as a stand-alone application.
RFEM and RSTAB are able to cover a large number of branches in the building and construction industry with their generally usable structural frame analysis and FEM programs. Designing cable structures is thus also possible in both software solutions. Some assistance tools for modeling and design will be presented in the following text.
Cable and tensile membrane structures are regarded as very slender and aesthetic building structures. The partly very complex double-curved shapes can be found using suitable form-finding algorithms. One possible solution is to search for the form via the equilibrium between the surface stress (provided prestress and an additional load such as self-weight, pressure, and so on) and the given boundary conditions.
With the activated option 'Topology on Form-Finding Form' in Project Navigator - Display, the model display is optimized based on the form-finding geometry. For example, the loads are displayed in relation to the deformed system.
In RFEM, there is an option to couple surfaces with the stiffness types "Membrane" and "Membrane Orthotropic" with the material models "Isotropic Nonlinear Elastic 2D/3D" and "Isotropic Plastic 2D/3D" (add-on module RF-MAT NL Add-on Module for RFEM 5 erforderlich).
This functionality enables simulation of the nonlinear strain behavior of ETFE foils, for example.
The "Orthotropic | Fabric | Nonlinear Elastic (Surfaces)" material model allows you to define prestressed fabric membranes using the representative microstructure-solid element model – RVE.
By considering the fabric geometry in the microstructure model, the corresponding transversal strain effect can now be considered for all force conditions in the membrane.
The Ponding load type allows you to simulate rain actions on multi-curved surfaces, taking into account the displacements according to the large deformation analysis.
This numerical rainfall process examines the assigned surface geometry and determines which rainfall portions drain away and which rainfall portions accumulate in puddles (water pockets) on the surface. The puddle size then results in a corresponding vertical load for the structural analysis.
For example, you can use this feature in the analysis of approximately horizontal membrane roof geometries subjected to rain loading.
Go to Explanatory Video
Although I modeled two identical systems, I got a different shape. What is the problem here?
How is it possible to make factorized combinations of a dead load in the context of form‑finding?
I want to create a mapped mesh for a circular hole plate. Is it possible to generate such a meshing in RFEM?
It seems that the members stay not deformed after my RF‑FORM‑FINDING calculation. What did I wrong?
How do I model a suspended membrane roof structure with line supports?
How do I model a tent roof with two cone tips?
