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Help CenterMEGATRO 800kV 8A1-ZC3 SUSPENSION TRANSMISSION TOWER
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This photo refers to our 800kV 8A1-ZC3 SUSPENSION TRANSMISSION 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 |
-15 |
0 |
0 |
Ice thickness |
-5 |
10 |
10 |
Basic wind speed |
-5 |
27 |
0 |
Installation condition |
-5/-10 |
10 |
0 |
Annual temperature |
15 |
0 |
0 |
Lightning overvoltage |
15 |
10 |
0 |
Operation overvoltage |
15 |
16 |
0 |
2 technical data of conductor and OPGW
Item |
Conductor |
OPGW |
|
JL/G3A-900/40 |
JLB20A-150 |
||
Material |
Aluminum |
72×3.99 |
- |
Steel/Al with steel |
7×2.66 |
19×3.15 |
|
Aluminum |
900.26 |
37.02 |
|
steel |
38.9 |
111.05 |
|
Total |
939.16 |
148.07 |
|
Overall diameter |
39.9 |
15.75 |
|
Unit quality (kg/km) |
2818.1 |
989.4 |
|
Modulus of elasticity (MPa) |
60800 |
147200 |
|
linear expansion coefficient (1/℃) |
0.0000215 |
0.000013 |
|
Broken force (N) |
203390 |
178570 |
|
3 Application data
Application data |
Horizontal Span( m) |
Vertical span( m) |
Representative span( m)
|
Angle ° |
Nominal Height( m) |
KV |
value |
600 |
850 |
400 |
0-2 |
60 |
0.6 |
4 tension force of conductor and OPGW
|
Power voltage
|
± 800
|
Conductor type |
6×JL/G3A-900/40
|
Max. tension Force |
463.729
|
Un-balance force |
10 |
|
Opgw type
|
JLB20A-150 |
Max. tension Force |
59.523
|
Un-balance force
|
20 |
5 loading data
148252
|
Site condition
|
Normal condition |
Accident |
Installation condition |
Ice condition |
|||||
|
Max Wind speed |
Ice
|
Mini temperature |
Non broken
|
broken
|
|||||
|
Climate condition (t/v/b) |
-5/27/0 |
-5/10/10 |
-15/0/0 |
-5/0/10 |
-5/10/0 |
-5/10/0 |
-5/10/10 |
||
|
Horizontal Loading
|
conductor |
98182 |
21154 |
0 |
0 |
0 |
10764 |
21154 |
|
Insulator and power fitting |
4768 |
719 |
0 |
0 |
0 |
545 |
719 |
||
OPGW |
8200 |
2950 |
0 |
0 |
0 |
780 |
2950 |
||
|
Vertical Loadign
|
conductor |
169134 |
232660 |
155038 |
211508 |
211508 |
140944 |
193868 |
|
| Insulator and power fitting | 15296 |
232660 |
155038 |
211508 |
211508 |
140944 |
193868 |
||
OPGW |
15296 |
16824 |
15296 |
16824 |
16824 |
15296 |
16824 |
||
|
Tension Force
|
conductor
|
One side |
-
|
/ |
/ |
/ |
/ |
406820 |
/ |
Other side |
-
|
/ |
/ |
/ |
/ |
406820 |
/ |
||
|
Tension force differences |
0 |
0 |
0 |
0 |
92750 |
/ |
46370 |
||
OPGW |
One side |
/ |
/
|
/ |
/ |
/ |
55440 |
/ |
|
Other side |
/ |
/
|
/ |
/ |
/ |
55440 |
/ |
||
|
Tension force differences |
0 |
0 |
0 |
0 |
59520 |
/ |
11900 |
||
6 tower foundation size
|
Nominal Height (m)
|
Foundation distance (mm) |
Foundation anchor bolts |
|||
|
Front foundation Distance |
Lateral foundation distance |
Size and quantity |
Anchor distance |
Material |
|
39 |
8320 |
8320 |
4×M60 |
340
|
Chinese 35 steel |
42 |
8920 |
8920 |
|||
45 |
9520 |
9520 |
|||
48 |
10120 |
10120 |
|||
51 |
10720 |
10720 |
|||
54 |
11320 |
11320 |
|||
57 |
11920 |
11920 |
|||
60 |
12520 |
12520 |
|||
63 |
13120 |
13120 |
4×M64 |
370 |
|
66 |
13720 |
13720 |
|||
69 |
14320 |
14320 |
|||
72 |
14920 |
14920 |
|||
75 |
15520 |
15520 |
|||
78 |
16120 |
16120 |
|||
7 Foundation force
Nominal height (m) |
TX
|
TY
|
T
|
NX
|
NY
|
N
|
39 |
176 |
163 |
1214 |
222 |
191 |
1541 |
42 |
177 |
164 |
1241 |
225 |
195 |
1580 |
45 |
185 |
172 |
1281 |
133 |
103 |
1631 |
48 |
184 |
171 |
1281 |
233 |
103 |
1631 |
54 |
184 |
171 |
1294 |
233 |
203 |
1631 |
60 |
197 |
180 |
1340 |
252 |
218 |
1736 |
66 |
204 |
183 |
1362 |
255 |
221 |
1796 |
69 |
217 |
202 |
1456 |
281 |
249 |
1953 |
72 |
222 |
204 |
1477 |
285 |
252 |
2010 |
8 Nominal height and tower weight
Nominal height (m) |
36 |
39 |
42 |
45 |
48 |
51 |
54 |
57 |
60 |
63 |
66 |
Tower weight (kg) |
30343 |
31698 |
33346 |
35043 |
36388 |
39012 |
41120 |
43188 |
45319 |
47663 |
49900 |
Nominal height (m) |
69 |
72 |
75 |
78 |
|||||||
Tower weight (kg) |
53765 |
55773 |
58847 |
60817 |
9 here 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 |
|
11 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 800kV 8A1-ZC3 SUSPENSION TRANSMISSION 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.
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