The German company Berliner Seilfabrik has designed and produced playground equipment for children since the 1970s. Climbing the spatial rope net structures helps children to develop and improve their psychomotor skills and three-dimensional perception abilities. The items of play equipment have names like Globe, UFO, and Twist & Shout.
Heinz Bornemann, a customer of Dlubal Software, provides structural analysis and design for a wide range of this playground equipment; for example, the "Globe" and various types of "Tetragode". RSTAB structural frame analysis software is used for the calculation of spatial supporting structures.
Berliner Seilfabrik GmbH & Co., Berlin, Germany
www.berliner-seilfabrik.com
3D Model and Photo of "Globe" Rope Play Equipment (© Screenshot: Dipl.-Des. Heinz Bornemann, Bad Bentheim/© Picture: Berliner Seilfabrik)
Heinz Bornemann, a customer of Dlubal Software, provides structural analysis and design for a wide range of this playground equipment; for example, the "Globe" and various types of "Tetragode". RSTAB structural frame analysis software is used for the calculation of spatial supporting structures.
Berliner Seilfabrik GmbH & Co., Berlin, Germany
www.berliner-seilfabrik.com
3D Model and Photo of "Globe" Rope Play Equipment (© Screenshot: Dipl.-Des. Heinz Bornemann, Bad Bentheim/© Picture: Berliner Seilfabrik)
Rope Playground Equipment, Germany
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Customer Project / View Only
Number of Nodes | 148 |
Number of Members | 307 |
Number of Load Cases | 9 |
Number of Load Combinations | 4 |
Number of Result Combinations | 2 |
Total Weight | 0.144 tons |
Dimensions (Metric) | 13.040 x 13.040 x 6.691 m |
Dimensions (Imperial) | 42.78 x 42.78 x 21.95 feet |
Program Version | 8.06.11 |
![Limit Value of Torsional Shear Stresses for Cross-Section Design](/en/webimage/010266/3040249/1_limit_shear_stress_torsion_cross-section_check.png?mw=512&hash=2545844d8dd2e36abfd808a5812f388253096def)
Very small torsional moments in the members to be designed often prevent certain design formats. In order to neglect them and still perform the designs, you can define a limit value in RF‑/STEEL EC3 from which torsional shear stresses are taken into account.
![Second-Order Analysis Calculation Method](/en/webimage/020266/3035683/Figure_01.png?mw=512&hash=bfcfd92f06e41655b30a9d335513d871920a118b)
Structure stability is not a new phenomenon when referring to steel design. The Canadian steel design standard CSA S16 and the most recent 2019 release are no exception. Detailed stability requirements can be addressed with either the Simplified Stability Analysis Method in Clause 8.4.3 or, new to the 2019 standard, the Stability Effects in Elastic Analysis method provided in Annex O.
![Flexural Buckling Lines According to EN 1993-1-1](/en/webimage/010469/2987565/1_Knicklinien.png?mw=512&hash=9ad9ab1e9a7ae48f1bdadef46d94aff35c70c44c)
The RF‑/STEEL EC3 add-on module automatically transfers the buckling line to be used for the flexural buckling analysis for a cross-section from the cross-section properties. The assignment of the buckling line can be adjusted manually in the module input for general cross-sections in particular, as well as for special cases.
![Cross-Section Optimization](/en/webimage/010515/2966222/01_Cross-section_optimization_en.png?mw=512&hash=1ad2e1e7c890530173014063a9c03dae19280f68)
When optimizing cross-sections in the add-on modules, you can also select arbitrarily defined cross-section favorites lists - in addition to the cross-sections from the same cross-section series as the original cross-section.
![Feature 002820 | Limit Plastic Strain for Welds](/en/webimage/050344/3881226/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
![Component "Base Plate"](/en/webimage/050345/3936120/50345.png?mw=512&hash=3bd641cb1a2445804b338855e4debfc40c6563e9)
The "Base Plate" component allows you to design base plate connections with cast-in anchors. In this case, plates, welds, anchorages, and steel-concrete interaction are analyzed.
![Feature 002807 | 3D Display of FSM Results](/en/webimage/049281/3861162/2024-05-01_10-32-55.png?mw=512&hash=2377d291bc20ac3d78d617b50c131614e99ac6f7)
In the "Edit Section" dialog box, you can display the buckling shapes of the Finite Strip Method (FSM) as a 3D graphic.
![Steel Design | Seismic Force-Resisting System Design Overview](/en/webimage/048507/3803346/seismic_steel.png?mw=512&hash=1c18a83f050e74601a7300444a0d77a0246a0e02)
- Design of five types of seismic force-resisting systems (SFRS) includes Special Moment Frame (SMF), Intermediate Moment Frame (IMF), Ordinary Moment Frame (OMF), Ordinary Concentrically Braced Frame (OCBF), and Special Concentrically Braced Frame (SCBF)
- Ductility check of the width-to thickness ratios for webs and flanges
- Calculation of the required strength and stiffness for stability bracing of beams
- Calculation of the maximum spacing for stability bracing of beams
- Calculation of the required strength at hinge locations for stability bracing of beams
- Calculation of the column required strength with the option to neglect all bending moments, shear, and torsion for overstrength limit state
- Design check of column and brace slenderness ratios
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