Prefabricated Modular Steel Structure Workshop
This large span portal frame steel structure workshop is designed for industrial factory and warehouse construction, featuring a modular bolt connection system that enables rapid assembly and future expansion. Engineered with Q235B/Q355 grade H-section steel, the prefabricated building delivers superior load-bearing performance, seismic resistance up to Grade 8, and a service life exceeding 25 years.
Structural System
| Component | Specification |
|---|
| Main Steel Frame | H Section Steel Q355B, Alkyd Painting Anti-Corrosion |
| Roof Purlin | C or Z Shape Galvanized Steel Q235B |
| Wall Purlin | C or Z Shape Galvanized Steel Q235B |
| Roof Cladding | PPGI Steel Sheet 0.3-0.6mm, or Sandwich Panel (EPS/Fiberglass/Rockwool/PU) 50-150mm |
| Wall Cladding | PPGI Steel Sheet 0.3-0.6mm, or Sandwich Panel (EPS/Fiberglass/Rockwool/PU) 50-150mm |
| Connection | High-Strength Bolts Assembly, No Welding On-Site |
| Doors | Sliding Door or Electric Roll-Up Door |
| Windows | PVC or Aluminum Alloy Frame with Tempered Glass |
| Skylight | FRP Transparent Sheet 1.0-2.0mm for Natural Daylight |
Key Features
- Large Span Design — Clear span up to 60 meters without interior columns, maximizing usable floor space for production lines and equipment layout.
- Modular Bolt Connection — All components are pre-cut and pre-drilled at the factory, assembled on-site with high-strength bolts. No welding required, enabling fast construction and future disassembly or relocation.
- Customizable Layout — Eave height, span width, bay spacing, and length are fully customizable to match your operational requirements.
- Heavy Load Capacity — Designed to support overhead crane systems from 5 to 20 tons, suitable for heavy manufacturing and material handling.
- All-Weather Durability — Wind resistance up to 180 km/h, snow load capacity up to 1.5 kN/m², Grade 8 seismic design, and Class A fire rating with rockwool sandwich panels.
- 25-50 Year Service Life — Hot dip galvanized finish or alkyd painting system provides long-term corrosion protection in various climate conditions.
Optional Accessories
- Overhead Crane System (5T, 10T, 16T, 20T)
- Ventilation System (Turbine Vents, Ridge Vents, Powered Fans)
- Gutter and Downpipe Drainage System (Galvanized Steel or Stainless Steel)
- Brick Wall Skirting up to 1.5m Height
- Mezzanine Floor System
- Insulation Upgrade: Rockwool, Fiberglass, or PU Sandwich Panels
Applications
Ideal for steel workshop factories, industrial manufacturing plants, warehouse storage facilities, aircraft hangars, agricultural barns, repair and mechanic shops, and large-scale logistics centers.
Our Service
- Free 3D modeling, architectural design, and detailed construction drawings (AutoCAD, PKPM, Tekla)
- Complete construction budget quotation within 48 hours
- Factory pre-fabrication with strict quality control and pre-assembly inspection
- Standard container packaging with numbered components and loading plan
- On-site installation guidance by experienced engineers, or complete turnkey installation service
- Comprehensive after-sales technical support and spare parts supply
About Zhongbo Steel Structure
Qingdao Zhongbo Steel Structure Co., Ltd. is an ISO 9001 certified manufacturer with over 15 years of experience in steel structure design and production. Our 160-mu (106,667 m²) facility houses 6 production bases with 50,000 m² of workshop area and 43 patented technologies. Products are exported to 80+ countries worldwide.
Contact us today for a free custom design and quotation. Provide your project dimensions, location, load requirements, and crane specifications, and our engineering team will deliver a complete proposal within 48 hours.
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Prefabricated Modular Steel Structure Workshop Large Span Portal Frame Design for Industrial Factory Construction Images
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