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Thin-walled Concrete Filled Steel Pipe Tower

thin-walled concrete filled steel pipe tower
1. Technical Specification (Standard):
DL/T5030-1996 Technical specification for concrete structures of centrifugal thin-walled pipe
DL/T646—1998 Transmission line steel pipe manufacturing technology conditions
 
2. (1)Centrifugal thin-walled steel structure characteristics:
a:Reduce steel consumption, saving the cost of more than 20%
b:Good appearance, improve the local stability of the structure, increasing the section stiffness, reducing distortion.
c:Not easy to transport due to great mass.
 
(2)Steel pole features: (circular, polygonal):
a:Light weight
b:Good appearance.
c:Easy to install
 
3.The scope of application:
10Kv-220Kv various rod-type, but the thin-walled steel centrifugal concrete structure itself brought a large weight on transportation and installation difficulties. Bearing capacity of the structure is too complicated or too much, should adopt steel structure.
 
4. Tower form and code:
⑴ Single circuit. Straight line Z, strain is N, corner of J, a branch of F
⑵ Double-circuit, line for SZ, strain for SN, corner of SJ.
 
5. Flange bolt connection type, common type, the cup insert type. Roof welded base.
 
6. Tower type number:
thin-walled concrete filled steel pipe tower
 
7. Connecting rod segment forms: (1)  flange connection, (2) socket type, (3)spot welding (15M or less the whole rod can transport, without live connection)
 
Model 110SC-SJ1-l2 35SC-SN-15
The Voltage level × number of loops 10KV single circuit 35KV Double circuit with lightning shield line
Height-Full Height(M) 12-14 15-22
Rotation degree 5°-20° Tension 0°-5°
Capacity rating A B C D E A B C D E
Designed external load (KN) Horizontal load Conductor 2.34 3.06 3.78     1.98 2.61 3.20 3.87 4.35
Lightning shield line           1.31 1.70 2.12 2.58 2.83
  Vertical load Conductor 2.50 2.50 2.50     5.50 6.50 6.50 7.50 7.50
Lightning shield line           3.50 3.70 370 4.00 4.00
longitudinal tension Conductor 5.00 6.49 7.99     8.00 10.00 12.00 13.50 15.00
Lightning shield line           4.60 5.50 7.00 7.80 7.80
Bending strength (KN.M) Design value 356.4 419.1 542.1     480.3 569.6 737.0 873.9 873.9
Standard value 249.2 293.1 379.1     335.9 398.3 515.4 611.1 611.1
Damage value 448.6 527.6 662.4     604.6 716.9 9277 1100.0 1100.0
Specification for rod body (MM) Pole Top 275× 4(30) 275× 5(30) 275× 6(30)     220× 4(30) 250× 4(30) 260× 4(30) 300× 4(35) 300× 5(30)
The top surface of the foundation 575× 5(30) 575× 6(30) 575× 8(35)     603× 6(30) 633× 6(30) 633× 8(30) 683× 8(35) 683× 8(30)
Flange connecting bolt 12M36 16M36 16M36     16M36 16M42 16M42 16M42 16M48

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