Characteristics of Composite Steel Platform

Description :

　　Generally, ordinary operating platforms are composed of main beams, small beams, and planks due to their low load-bearing capacity and lack of equipment support. Steel platform beams are mainly made of hot-rolled ordinary section steel. When the span is large, section steel or welded I-beam composite beams can also be used, and they can be supported on the factory building and other structures with triangular frames, support brackets, or directly supported.

　　Heavy duty operating steel platforms have large loads, frequent operations, large platform areas, and large, medium, and small vibration loads directly placed on the steel platform. Their structure usually consists of independent column grids, main beams, secondary beams, small beams, and planks. The steel platform structure has an independent support system, which is connected laterally to the structural framework columns of the factory building to ensure the integrity of the steel platform structure.

　　Steel structure platform structure columns and inter column supports

　　Steel platform columns are generally designed as equal section columns. The commonly used forms of solid web columns include hot-rolled ordinary steel sections, I-beams reinforced with plates, or steel pipes with flanges. If necessary, it can also be designed as a combined column form composed of two channel steels.

　　Steel platform structures occupy a certain proportion in industrial plants and structures, especially in large operation platforms in the main production workshops of pharmaceutical factories, such as the refining and transformation workshops of all steel platform structures. Nowadays, the design proportion of steel platforms has been increasing. Therefore, the design of steel platform structures should not only meet the requirements of process production, but also pay attention to the rationality of the structure in platform layout, material selection, manufacturing and installation.

　　Layout of Steel Structure Platform Structure

　　The steel platform structure mainly consists of beams, columns, planks, railings, and steel ladders. The layout of steel platform structures should pay attention to the following points:

　　(1) Meet the requirements of process production operations;

　　(2) Ensure safe passage operations;

　　(3) Make full use of the allowable span of the pavement to arrange the beam grid reasonably.

　　Advantages of attic steel structure

　　The architectural style is flexible and rich. Large open room design, indoor space can be divided into multiple schemes to meet the different needs of users, and the area utilization rate can be improved by reducing the cross-sectional area of columns and using lightweight wall panels,

　　Good energy-saving effect, the wall adopts lightweight energy-saving standardized prefabricated wall panels instead of clay bricks, with good insulation performance and energy saving of --%,

　　The use of steel structure systems in residential buildings can fully utilize the good ductility, strong plastic deformation capacity, and excellent seismic and wind resistance performance of steel structures. The steel reinforced concrete column fully and reasonably utilizes the material properties of steel and concrete, and reduces the section by increasing the corresponding strength. Its compressive and lateral bending strength are higher than that of concrete columns -This greatly increases the ability to resist strong earthquakes and improves the safety and reliability of residential buildings. Especially in the event of earthquakes or typhoons, it can prevent the collapse and damage of buildings.

　　The total weight of the building is light, and the steel structure residential system uses various lightweight materials to form high-strength, fireproof, waterproof, heat-insulating, soundproof, and energy-saving composite walls, replacing traditional clay bricks and other bulky masonry materials.

　　The construction speed is fast, and the steel structure adopts a lightweight building steel structure system, which does not require on-site binding of steel bars or the production of templates. When pouring concrete into the floor slab, there is no need for temporary support, which can greatly accelerate the assembly speed on the construction site. Therefore, the construction period of lightweight building steel structure system can greatly shorten the occupation period of investment funds and improve the efficiency of fund utilization.

　　Good environmental protection effect.

　　Layout of platform structure

　　1. Meet the requirements of process production operations and ensure clearance for passage and operation. The general clear height for passage should not be less than 1.8m, and protective railings should generally be installed around the platform, with a height of 1M. When the platform height is greater than 2M, a skirting board with a height of 100-150mm should also be installed under the protective railing. The platform should be equipped with a ladder for up and down passage, and the width of the ladder should not be less than 600mm.

　　2. When determining the plan size, elevation, beam grid, and column grid layout of the platform structure, in addition to meeting the usage requirements, the layout of beams and columns should also consider the location of equipment loads and other large concentrated loads on the platform, as well as the hanging of large-diameter industrial pipelines;

　　3. The layout of the platform structure should strive for economic rationality and clear transmission of power. The arrangement of the beam grid should be adapted to its span. When the span of the beam is large, its spacing should also be increased. Fully utilize the allowable span of the pavement and arrange the beam grid reasonably to achieve better economic results.

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• Characteristics of Composite Steel Platform