Technical standard for composite steel platform

Description :

　　The process of building the attic platform

　　Construction process:

　　Construction site investigation - raw material procurement, inspection, and entry into the construction site - rust removal - cutting - re inspection of embedded parts - steel column hoisting - inspection and correction - welding - steel beam hoisting - inspection and correction - welding - support system installation - inspection and correction - welding - spraying anti rust paint - preliminary inspection of the main body - acceptance of Suzhou attic steel structure steel platform and steel structure staircase construction

　　The strength, stability, and deflection of steel platform beams should be calculated. The fatigue strength calculation should also be carried out for beams that directly bear large vibration loads. The design of steel platform beams generally does not consider the development of plastic deformation; When necessary, calculate according to the requirements and formulas listed in the Steel Structure Design Code (GB50017-2003).

　　The simple connection method between the secondary beam and the main beam is stacking. Put the secondary beam directly onto the main beam and connect it with welds or bolts. The required building clearance for stacking is large, and the use of this method is often limited. Therefore, the equal height connection between the secondary beam and the main beam is a commonly used method. There are two construction forms for the hinge connection between beams and columns:

　　Setting the beam directly on the top of the column makes the connection structure relatively simple. The total reaction force of the beam support is transmitted to the column stiffeners through the connection weld between the top plate and the column stiffeners or through the end face of the beam stiffeners under pressure. The force is then transmitted to the column web through the vertical connection weld between the column stiffeners and the column web.

　　Design of Steel Platform Structure Deck

　　Steel platform planks can be divided into fixed and detachable according to the production process requirements; According to the structure, it can generally be divided into plate type, grate type, and joint structure composed of steel beams and concrete slabs.

　　Undertaking the construction of large attic floors, steel platforms, steel structure factories, steel structure canopies, and steel structure multi story factory buildings with attic floor slabs and cement layers. With years of production experience, precise technical exploration, and high quality!

　　1. Design and construction of partition steel structure platform, equipment and cargo platform for indoor workshop and warehouse

　　2. Raise the facade of high-rise buildings and jump floors; Bottom commercial layer, steel structure layer

　　3. Production of steel structure partitions and villa steel structure attic;

　　4. Old house renovation civil engineering and steel structure addition design;

　　5. Design and installation of steel structure stairs and steel frame stairs;

　　6. And processing and manufacturing of special-shaped steel structures, planting of steel bars, chemical anchor bolts, steel bonding reinforcement, carbon fiber reinforcement, various steel structure staircases, various warehouse steel structure interlayers, various newly built steel structures, insufficient reinforcement of various beams, slabs, walls, columns, and various building steel structure renovation and reinforcement construction;

　　Steel structure partitions and interlayers belong to the secondary structure production, construction, and installation. Steel structure mezzanine is commonly used in ground level commercial buildings, households, and warehouses. The quality of steel structure partitions and mezzanine buildings is equivalent to the quality of the building for a certain number of years!

　　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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• Technical standard for composite steel platform