The South African energy supplier Eskom is building one of the world's largest coal-fired power plants, with an output of 4800 MW, in Medupi, about 248.5 miles north of Johannesburg. It consists of six 800 MW blocks. The power plant will be equipped with the latest bag filter systems for dust reduction. Dlubal's long-time customer Prof. Schmidt & Partner was commissioned by the company Balcke-Dürr, NL Rothemühle, with the structural design and calculation of the bag filter housing, including the flue gas/clean gas ducts, the support structure, and the staircase. A particular challenge was the consideration of South African standards and semi-finished products (cross-sections). The extensive RFEM profile database was a great help here.
Prof. Schmidt & Partner
Büro für Konstruktiven Ingenieurbau
Kruppstraße 98
D-45145 Essen, Germany
www.psp.de.
Prof. Schmidt & Partner
Büro für Konstruktiven Ingenieurbau
Kruppstraße 98
D-45145 Essen, Germany
www.psp.de.
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Number of Nodes | 5021 |
Number of Lines | 10422 |
Number of Members | 8909 |
Number of Surfaces | 809 |
Number of Load Cases | 8 |
Total Weight | 538.495 tons |
Dimensions (Metric) | 51.610 x 22.050 x 28.150 m |
Dimensions (Imperial) | 169.32 x 72.34 x 92.36 feet |
Program Version | 4.06.02 |
![KB 001875 | AISC 341-22 Moment Frame Member Design in RFEM 6](/en/webimage/047794/3736755/im01.jpg?mw=512&hash=33697d419a0e8a96b738e8e2e97fae057743a108)
The three types of moment frames (Ordinary, Intermediate, Special) are available in the Steel Design add-on of RFEM 6. The seismic design result according to AISC 341-22 is categorized into two sections: member requirements and connection requirements.
![KB 001761 | ...](/en/webimage/034236/3383734/Image_1.png?mw=512&hash=e291c1e4af5953551bde5d9d71f599f36ae2e3f7)
The Steel Design add-on in RFEM 6 now offers the ability to perform seismic design according to AISC 341-16 and AISC 341-22. Five types of seismic force-resisting systems (SFRS) are currently available.
![KB 001767 | AISC 341-16 Moment Frame Member Design in RFEM 6](/en/webimage/034944/3400296/11.png?mw=512&hash=34cee10711e3f971f820be435910cf1365277cb9)
The three types of moment frames (Ordinary, Intermediate, Special) are available in the Steel Design add-on of RFEM 6. The seismic design result according to AISC 341-16 is categorized into two sections: member requirements and connection requirements.
![KB 001768 | AISC 341-16 Moment Frame Connection Strength in RFEM 6](/en/webimage/034516/3391609/Result.png?mw=512&hash=f0621777339b8f63b334b9d11f44f77f58603014)
Moment frame design according to AISC 341-16 is now possible in the Steel Design add-on of RFEM 6. The seismic design result is categorized into two sections: member requirements and connection requirements. This article covers the required strength of the connection. An example comparison of the results between RFEM and the AISC Seismic Design Manual [2] is presented.
![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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