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Large Span Industrial Steel Workshop

It was expounded in detail the optimization design of the roofings for long-span industrial workshops by means of a specific project example.Thus,it wa s finally proposed that the feasible structural system,calculation mode and spec ific configuration of a joint.industrial workshop design

This large Span Logistics steel workshop is constructed for Chiang kai-shek holding group

Total two workshops , the size is width 45 m x length 100 m x Eave height 7.5 m .

The design code according to Qingdao local wind speed , snow load , rain load ,and earthquake magnitude.


S. No Type Load
1 Dead Load 0.20KN/m2
2 Dust Load No
3 Handing Load No
4 Live Load(roof beam) 0.30KN/m2
5 Live Load(roof purlin) 0.50KN/m2
6 Basic Wind Pressure 0.55 kN/m2
7 Basic Snow Pressure 1.0 kN/m2
8 Ground Roughness Class B
9 Seismic Fortification Intensity 6(0.05 g), C class,Site Class:III
Design Reference Period: the design period for load is 50 years.

Buildings Safety Level: Level 2

Main Design Standards
Portal Rigid Frame Light House Technical Specification for Steel Structure CECS102:2002
Steel Structure Design Specification GB50017-2003
Load Code for The Design of Building Structures GB50009-2012
Code of seismic Design of Buildings GB50011-2010
Technical Code of Cold-Formed Thin-Wall Steel Structures GB50018-2002

Main Material Standards
Low allow high strength structural steel GB/T1591-2008
Carbon Structural Steel GB/T 700-2006
Main material:
No. Item Specification Unit Remarks
A Steel Frame
1 Steel beam and column Welded H steel 6~14,-20 T Q345B,twice primer and finish paint
2 Roof purlin C200x70x20x2.0 T Q345B,galvanized
3 Wall purlin C200x70x20x2.0 T Q345B,galvanized
4 Bracing Φ12 round bar T Q235B,galvanized
5 Casing pipe Φ32x2.5 T Q235B,galvanized
6 Knee bracing L50x4、L63X5 T Q235B,galvanized
7 Column bracing Φ20 T Q235,twice primer and finish paint
8 Horizontal bracing Φ20 T Q235,twice primer and finish paint
9 Tie bar Φ114x2.5 T Q235,twice primer and finish paint
B Fasteners
1 Anchor bolt M24 Set Q235A
2 High strength bolt M20 Set 10.9S
3 Turnbuckle M20 Set 4.8S,Galvanized
4 common bolt M12 Set 4.8S,galvanized
5 Nut M12 Set 4.8S,galvanized
C Roof system
1 Roof panel 0.5mm thick color galvanized steel sheet 0.5mm thick color galvanized steel sheet
2 Roof panel V760 panel skylight
3 Ridge tile m 0.5mm thick color galvanized steel sheet
4 Gable edge cover m 0.5mm thick color galvanized steel sheet
5 Gutter 0.5mm thick color galvanized steel sheet  m
6 ventilator Φ500 set Stainless steel
7 Down pipe 110PVC m PVC 
8 Roof accessories Self-tapping screw,rivet,seal gum
D Wall system
1 Wall panel 0.5mm thick color galvanized steel sheet V820 0.5mm thick color galvanized steel sheet
2 Edge cover m 0.5mm thick color galvanized steel sheet
3 Sliding door 5x5m set
5 windows 41.8Mx1.5M Ribbon skylight
17Mx1.5M Ribbon skylight
11Mx1.5M Ribbon skylight
6 Canopy 6.5Mx1.5M
7 Wall accessories Self-tapping screw,rivet,seal gum


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