Prefab Building Steel Structure Strong Beam Frame Large Span
Construction For Factory Warehouse
1. Description
Definition of Steel Structure Buildings
Steel structure buildings are engineered systems where hot-rolled
steel components (e.g., H-beams, I-beams, steel plates) form the
primary load-bearing framework through welded or bolted
connections. Unlike traditional reinforced concrete buildings, they
emphasize material efficiency, modular construction, and
sustainability, addressing modern architectural demands for
flexibility and rapid deployment.
Material Composition & Structural Behavior
Steel structures utilize prefabricated steel members with uniform
strength and ductility, enabling predictable load distribution and
superior seismic resistance.
Construction Efficiency
Steel components are factory-produced with precision, reducing
on-site labor and shortening timelines by 30–50% compared to
concrete’s weather-dependent workflows.
Space Optimization
Steel’s high strength allows larger spans (e.g., >30m for
industrial warehouses) with fewer internal columns, increasing
usable floor space by ~4–6%.
Environmental Impact
Steel is 100% recyclable, generates minimal construction waste,
and supports low-carbon circular economies.
Adaptability & Lifespan
Steel frameworks are easily modified or disassembled for reuse,
ideal for temporary or evolving structures (e.g., labor camps,
modular offices).
Core Characteristics of Steel Structures
Seismic Resilience: Steel’s ductility absorbs earthquake energy, reducing collapse
risks (vs. concrete’s brittle failure modes).
Fire & Corrosion Resistance: Requires protective coatings (e.g., intumescent paint) to offset
steel’s vulnerability to high temperatures and rust.
Cost Efficiency: Lower foundation costs (due to lightweight design) offset higher
material expenses in long-term projects.
This contrast highlights steel structures as adaptive,
eco-efficient alternatives to conventional concrete systems,
particularly in industrial, commercial, and disaster-resilient
applications.
2.Material List
| Material List |
| Size | According to Customers' Need |
| Main Steel Structure Frame |
| Column | Q235B(ASTM A36,S235JR), Q355B Welded or Hot-Roll H Section Steel |
| Beam | Q235B, Q355B(ASTM 572,S355JR) Welded or Hot-Roll H Section Steel |
| Secondary Steel Structure Frame |
| purlin | Q235B, C and Z Type Steel |
| Knee Brace | Q235B, Angle Steel |
| Tie Tube | Q235B, Circular Steel Pipe |
| Brace | Q235B, Round Bar or Angle Steel |
| Bracing | Q235B, Angle Steel, Round Bar or Steel Pipe |
| Roof & Wall Material, Door, Window |
| Roof & Wall | Metal sheet(PE+Galvanized+Aluminium), Sandwich Panel, Glass wool |
| Door & Window | Rolling Up/Shutter Door, Sandwich Panel Door, Stainless Steel Door,
Fireproof Door; |
| PVC window, Aluminium Window; |
