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Help CenterMEGATRO 220kV 2E10 SJ2 Double Circuit Light Angle Tension Tower
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This photo refers to our 220kV 2E10 SJ2 double circuit light angle tension tower, it is widely used in our Chinese market. Some of technical features of this tower as follow:
1 climate condition
Item |
Temperature (℃) |
Wind speed (m/s) |
Ice thickness (mm) |
Max. temperature |
40 |
0 |
0 |
Mini. temperature |
-20 |
0 |
0 |
Ice thickness |
-5 |
10 |
15 |
Basic wind speed |
-15 |
25 |
0 |
Installation condition |
-10 |
10 |
0 |
Annual temperature |
15 |
0 |
0 |
Lightning overvoltage |
15 |
10 |
0 |
Operation overvoltage |
15 |
15 |
0 |
Hot-line work |
15 |
10 |
0 |
2 tower design data
|
Tower type |
Nominal Height (mm) |
Nominal Height (mm)
|
Horizontal span (m) |
Vertical Span (m)
|
Angle º |
Insulator Type
|
Horizontal Span at angel condition |
2E10 SJ2 |
30 |
450 |
600 |
450 |
0～20 |
/ |
/ |
Conductor type: 2×LGL-400/50 |
OPGW: JLB-150 |
||||||
3 Tower estimated weight and foundation force
|
Tower Type |
Tower weight scope (kg) |
Foundation force scope (KN) |
|||||
Tmax |
Tx |
Ty |
Nmax |
Nx |
NY |
||
2E10 SJ2 |
19304～26874 |
1094～1274 |
159～184 |
166～185 |
1448～1602 |
213～237 |
212～233 |
4Here is the design strength of Chinese tower steel
Steel material |
Anti-push, bending and press strength (N/mm2) |
Anti-shear strength (N/mm2) |
|
Grade |
Thickness or diameter (mm) |
||
|
Q235 Steel |
≤16 |
215 |
125 |
>16～40 |
205 |
120 |
|
>40～60 |
200 |
115 |
|
>60～100 |
190 |
110 |
|
|
Q345 Steel |
≤16 |
310 |
180 |
>16～35 |
295 |
170 |
|
>35～50 |
265 |
155 |
|
>50～100 |
250 |
145 |
|
|
Q420 Steel |
≤16 |
380 |
220 |
>16～35 |
360 |
210 |
|
>35～50 |
340 |
195 |
|
>50～100 |
325 |
185 |
|
|
Q460 Steel |
≤16 |
415 |
240 |
>16～35 |
395 |
230 |
|
>35～50 |
380 |
220 |
|
>50～100 |
360 |
210 |
|
5 Here is the design strength of our Chinese tower bolts
Item |
Grade |
Anti-push strength (N/mm2) |
Anti-shear strength (N/mm2) |
|
Fastener for towers |
4.8 |
200 |
170 |
5.8 |
240 |
210 |
|
6.8 |
300 |
240 |
|
8.8 |
400 |
300 |
|
|
Anchor bolts |
Q235 |
160 |
/ |
Chinese 35 steel |
190 |
/ |
|
Chinese 45 steel |
215 |
/ |
Remark: above technical data only references for our client, we can design every type for our overseas clients.
MEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in power transmission, transformation, distribution, and telecommunications systems. Our MEGATRO provide and design this type 220kV 2E10 SJ2 double circuit light angle tension tower mainly for our Chinese and overseas client. Since 2004, MEGATRO focus mainly international market and had export many kind of transmission structures to overseas clients. MEGATRO has been manufacturing lattice transmission tower & tapered steel poles for lighting, traffic control, communication and utility applications. MEGATRO pioneered the development of transmission tower, telecom tower, substation, and other steel structure and was also at the forefront in the design of Transmission tower.
Over 10 years of experience and innovation in engineering, designing and building towers has evolved MEGATRO into its current form:
l Full Turn-Key provider including site acquisition, engineering services, manufacturing, field services-DAS, tech services, value added reseller and monitoring, maintenance and network ownership
l Specialize in developing supplying and building wireless and wired networks and in-building telecommunications systems, as well as energy infrastructure
l Single source from Design to System Integration
l Top quality, ISO 9001 registered
Besides, MEGATRO is one of the few manufactures who assemble a face of 220kV 2E10 SJ2 double circuit light angle tension tower. This attention to quality may not be the cheapest process but it does insure every tower meets our high standards of quality. And it helps to reduce on-site construction cost due to mismatched assemblies. After fabrication all 220kV 2E10 SJ2 double circuit light angle tension tower are delivered to the galvanizing facility to be Hot DIP Galvanized. Towers are processed through the facility by Caustic Cleaning, Pickling, and then Fluxing. These strict procedures insure years of maintenance free towers. All finished surfaces shall be level and free of tears, burrs, clots and impurities.
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