Prefab Steel Frame School, is a modern and economical educational building constructed by standardized prefabricated steel components manufactured in the factory and then quickly assembled on site. EIHE Steel Structure (EHSS) is a professional manufacturer deeply engaged in the steel structure industry. We have a thorough understanding of market demands and can deliver high-quality products for you.
Also known as prefabricated steel structure school, it has become the mainstream choice for green educational buildings with its core values of rapid construction, good usability, durability and easy modification.
As an excellent supplier of steel structures, our products cover primary schools, middle schools, university teaching buildings, training buildings, libraries, gymnasiums, temporary campuses, post-disaster reconstruction schools, etc.
Construction Method and System
Prefab Steel Frame is a broad construction method and system, mainly referring to steel structure buildings constructed under the mode of “prefabricating structural components in factories and assembling them on site”. It includes light steel portal frames, cold-formed thin-walled steel structures, steel frame structures, etc. Among them, Prefab Steel Frame School mainly adopts light steel frames made of cold-formed thin-walled steel sections as the mainstream structural form.
● Core Systems
Refers to steel structure buildings that fully adopt the "factory prefabrication + on-site assembly" model. Their main load-bearing components, including beams, columns, bracings and trusses, are completely prefabricated in the factory.
Type
Applicable Stories
Span (m)
Common Steel Consumption (kg/m²)
Completion Days
Main Application Scenarios
Light Steel Portal Frame
1
18-60
15-35
75
Industrial workshop
Cold-Formed Thin-Walled Steel Structure (LGSF)
1-3
≤12
30-50
30
School building
Steel Frame Structure
4-12
6-9
45-70
90
Multi-story office building
Steel Frame-Bracing Structure
12-30
8-12
60-90
105
High-rise apartment
Space Truss Structure
1
30-80
30-60
120
Stadium
Space Grid Structure
1
40-120
25-50
90
Airport terminal
Be String Structure
1
40-100
30-50
150
Convention center
Suspend Dome
1
60-150
40-70
180
Gymnasium
Modular Steel Structure (Stackable Box Structure)
≤30
6-12
85-120
50
Student dormitory
● Cold-Formed Thin-Walled Steel Structure (LGSF)
Constructed from 1.5–3 mm thick galvanized steel sheets cold-formed into C-sections and U-sections, assembled into walls, floors and roof trusses to form a plate-rib structural system. It is the popular choice in Prefab Steel Frame Schools.
Keys
LGSF
Hot-Rolled
Wood
Concrete
Thickness
1-3mm thin sheet
≥6mm thick plate
—
—
Section
C/U/Z shapes
H/I/box
Solid/glulam
Cast-in-place/precast
Connection
self-drilling screws
Welding / high-strength bolts
Nails / bolts / tenon-and-mortise
Steel bar connection / grouting
Stress
Skin Effect (structure and sheathing work together)
Members resist loads independently
Forming
Cold bending at room℃
Hot rolling at high℃
Natural/processed
Casting/precast
Unit Steel
30-50 kg/m²
45-120 kg/m²
—
—
Applicable Stories
≤5
Unlimited
≤5
Unlimited
Wall Thickness
100-150mm
≥200mm
≥150mm
≥200mm
Space
↑5-8%
Benchmark
Similar
Low
Speed
Rocket
Fast
Normal
Low
On-site waste rate
<2%
5-10%
15-20%
10-15%
The most prominent feature of adopting LGSF in Prefab Steel Frame School is its light weight, and it forms a high-strength support system when combined with other components.
FAQ
1. What are the advantages of using steel structures?
Compared with traditional concrete solutions, steel structures offer the benefits of faster construction, better safety, greater practicality, environmental friendliness and cost-effectiveness.
2. Which steel structure should be chosen, how about LGSF, Steel frame structure, and Modular steel structure?
LGSF is recommended for 1–3-story low-rise buildings.
Steel frame structure is recommended for multi-story buildings of 4 stories and above.
Modular steel structure is recommended for standardized and repetitive units.
3.What is Prefab Steel Frame School, and how is it different from Steel Frame Structure?
An analogy will help you understand:
Prefab Steel Frame is like a car, while Steel Frame Structure is like a sedan.
A car includes a sedan, so Prefab Steel Frame includes Steel Frame Structure.
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