High Seismic Wind Resistant Prefabricated Steel Structure Building for Factory Storage

The high seismic and wind resistant prefabricated steel structure building is a customized industrial construction solution specially developed for high-wind zones, earthquake-prone areas, and harsh outdoor environments. Designed strictly in accordance with international wind load and seismic resistance design codes, this pre-engineered steel building features an integral rigid frame structure with high-toughness steel materials, outstanding structural stability, and strong environmental adaptability. It is widely applicable for industrial factories, production workshops, logistics warehouses, storage depots, and large-span industrial facilities that require high wind resistance and seismic safety performance.

Different from ordinary steel buildings with simple structural design, this product adopts optimized spatial force-bearing system and overall structural reinforcement technology. The integrated cooperation of main steel frames, reinforced bracing systems, stiffener plates, and high-strength connection components greatly enhances the building’s overall rigidity, ductility, and impact resistance. It can effectively resist strong typhoons, sustained strong wind pressure, and seismic wave impact, avoiding common structural problems such as frame shaking, wall panel deformation, roof damage, and structural collapse under extreme weather and geological conditions. In addition, the prefabricated modular design realizes lightweight building weight, effectively reduces seismic load conduction, and further improves the building’s anti-seismic safety reserve. With excellent weather resistance, structural durability and low maintenance characteristics, it can maintain stable long-term operation in complex and harsh environments.

The entire production of the high seismic wind resistant steel structure building adopts standardized factory prefabrication, precision processing and strict quality inspection procedures to ensure the stability and consistency of structural performance, laying a solid foundation for on-site wind and seismic resistance.

Firstly, professional structural engineers conduct personalized wind load and seismic load calculation and structural modeling optimization according to project location, local wind speed grade, seismic fortification intensity and building span requirements, and formulate targeted production and processing schemes. Secondly, high-quality national standard H-beams, channel steels, angle steels and profiled steel plates are selected as raw materials, and all steel materials undergo strict incoming quality inspection including thickness detection, material performance test and anti-corrosion quality verification to eliminate unqualified raw materials.

In the precision processing stage, advanced CNC cutting machines, automatic welding equipment and bending forming equipment are used for integrated processing of steel components such as main frames, purlins, bracing parts and connecting accessories. All welding positions adopt full-automatic welding process with non-destructive flaw detection to ensure welding firmness and uniform stress. High-strength bolt holes are precisely positioned and punched to ensure accurate assembly tolerance. After processing, all steel components undergo shot blasting rust removal treatment to improve the adhesion of anti-corrosion coatings.

Subsequently, multi-layer anti-corrosion and weather-resistant coating treatment including primer, intermediate paint and topcoat is carried out, or hot-dip galvanizing process is adopted to enhance the wind erosion and atmospheric corrosion resistance of steel components. Finally, all finished components undergo finished product inspection, size calibration and performance sampling test, and are packaged and numbered in groups to ensure convenient, fast and error-free on-site assembly, while ensuring that each component meets high wind resistance and seismic resistance design standards.

This high-performance steel structure building is equipped with a scientific and systematic ventilation system, which perfectly matches the use scenarios of factories and warehouses, effectively solving the problems of indoor high temperature, humidity accumulation, dust accumulation and poor air circulation in industrial buildings, and improving the indoor working environment and storage safety.

The building adopts a combined natural and mechanical ventilation system to realize efficient and all-round indoor air circulation. For natural ventilation, optimized roof ventilation windows and wall ventilation louvers are reasonably arranged according to the building span and air flow principle. The high and low air convection difference is used to discharge hot air, turbid air and humid air indoors quickly, and introduce fresh outdoor air to form continuous natural air circulation. The roof ventilators are installed at the highest position of the roof, which can effectively discharge rising hot air and industrial waste gas, and will not affect the overall wind resistance and seismic performance of the building due to reserved ventilation openings.

For areas with high ventilation demand or poor natural ventilation conditions, a matched mechanical ventilation system is configured, including industrial exhaust fans, axial flow fans and negative pressure ventilation equipment. The mechanical ventilation equipment is stably installed on the reinforced wall and roof structures, with firm installation and strong wind resistance, which can operate stably for a long time in harsh windy environments. The ventilation system is scientifically arranged without dead angles, which can quickly discharge industrial dust, peculiar smell, excess heat and moisture in the factory and warehouse, effectively prevent equipment aging and material mildew caused by humid and stuffy environment, and improve production efficiency and material storage safety.

In addition, the ventilation system has good environmental adaptability and rainproof and windproof performance. All ventilation accessories are equipped with rainproof baffles and windproof structures, which can avoid rainwater pouring and strong wind invasion while ensuring ventilation, realizing the organic combination of efficient ventilation, wind resistance and seismic resistance, and meeting the long-term stable use needs of industrial buildings in various complex environments.

• Raw material quality control
  • Thickness tolerance <0.25mm
  • Yield point and tensile strength test
  • Supply traceable mill certificate
  • Third party inspection are welcomed
• Structural steel fabrication quality control
  • Apply 100% dimension tolerance
  • Apply ultrasonic testing on welding line standard and procedure
  • Third party inspection are welcomed
• Anti-corrosion system quality control
  • Apply shot blasting to reach grade Sa 2.5 , Metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
  • Apply paint primer within 4 hours after shot blasting, Dry Film Thickness (DFT) >75μm or as per requirement.

• Provide steel structure fabrication:
  • Portal frame steel warehouse, workshop
  • Multi- story steel building
  • Pipe truss and H steel truss
  • Customizable shaped steel members
• Provide steel structure building one-stop solution:
  • Preliminary layout design
  • 3D Modeling in Tekla and detailing design
  • High quality structural steel fabrication
  • Safe and timely delivery
  • Complete construction drawing to help installation on field