Research on the selection of steel structure scheme for large-span dry coal shed
Research on the selection of Steel Structure Building scheme for large-span dry coal shed
With the increasing demand for electricity, the construction of large-scale thermal power plants requires large span Steel Stadium and Steel Building, high headroom dry coal shed steel structure Building to meet its raw coal storage and operating space.
The Steel Stadium of dry coal shed needs to be able to satisfy certain headroom work, have stable force performance, superior economic index, convenient construction Steel Building and installation and other requirements. At present, there are many steel structure Building forms that can be used for dry coal shed, and the main Steel Building structural forms are net frame Steel Stadium structure, net shell structure, pipe truss structure, pre-stressed arch structure and inflatable membrane Steel Stadium structure.
For 50m~120m or even 150m span closed coal yard, it is more economical to choose double-layer mesh shell Steel structure building, such as cylindrical mesh shell and spherical mesh shell. Commonly used cylindrical mesh shells are cylindrical mesh shells or three-center cylindrical mesh shells; common mesh cells are positively placed quadrangular cone, inclined positively placed quadrangular cone and positively placed evacuated quadrangular cone, etc., among which positively placed quadrangular cone cylindrical mesh shells are uniformly stressed and are most widely used; for the Steel Stadium of the dry coal shed with a span of more than 150m, the use of increased prestressing cables to form a tensioned arch system with the mesh shells or pipe truss structures can improve the stress performance, increase structural stiffness, and reduce the stiffness of rods, and improve the Steel Building performance and reduce the stiffness of rods. For dry coal shed Steel structure Building with a span of more than 150m, the use of increased prestressed tension cables and net shell or pipe truss Steel Building structure to form a tensioned arch system can improve the Steel Building structural stress performance, increase the Steel Building structural rigidity, and reduce the peak internal force of the rods and the horizontal thrust of the lower foundation. This kind of structure has high Steel Satdium construction efficiency and short construction period, and the span can be more than 200m.
Star Er is a technology-based construction Steel Stadium enterprise committed to promoting scientific and technological innovation to lead future life. We have been specializing in steel construction for more than 10 years.
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