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CP 001100 | Reconstruction of Güsen Road Bridge B 10 over the Elbe-Havel Canal, Germany
First Steps with RFEM
The new Güsen road bridge B 10 is a tied‑arch bridge with an orthotropic roadway slab. The clear width between bridge abutments is about 301.9 ft and the bridge width is almost 46 ft wide.
The arches are made of welded box sections. A horizontal stiffening of the arches is achieved by 4 crossbeams made of steel round tubes (portal effect). Both stringers of the bridge are suspended with 12 round members of d = 4 inches each.
The engineers from grbv used the RSMOVE add‑on module to generate moving loads in RSTAB. Also, many cross‑sections were created in the cross‑section properties software SHAPE‑THIN. The bridge model was converted to RFEM 6 for a presentation video.
Dlubal Customer Project Bridge construction Steel bridge Steel Bridge Steel structure Member BIM BIM structural analysis Civil engineering Software for civil engineers Customer Project Project with Dlubal Software Dlubal Practical Example
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Consideration of Construction Stages in RFEM 6
The calculation of complex structures by means of finite element analysis software is generally performed on the entire model. However, the construction of such structures is a process carried out in multiple stages where the final state of the building is achieved by combining the separate structural parts. To avoid errors in the calculation of overall models, the influence of the construction process must be considered. In RFEM 6, this is possible by using the Construction Stages Analysis (CSA) add-on.
- The load distribution on my members looks different when using the Load Transfer surface vs. the Load Wizards. What is the reason?
- My beam has a continuous lateral support and therefore lateral torsional buckling (LTB) is not a concern. How do I define the effective length?
- I received an error message “Surface of incompatible type... (Surface in upper plane of building story must be of ‘Load transfer’ type)” when running the calculation. What is the reason?