Name: MEGATRO 800kV 8A1-ZC3 SUSPENSION TRANSMISSION TOWER
Brand: Megatro
Availability: InStock

Product Details

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
Item		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)

K_V

value

600

850

400

0-2

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

Opgw

type

JLB20A-150

Max. tension

Force

59.523

Un-balance force

5 loading data

148252

Site condition			Normal condition			Accident		Installation condition	Ice condition
Site condition			Max Wind speed	Ice	Mini temperature	Non broken	broken	Installation condition	Ice condition
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
Nominal Height (m)	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	T_Y	T	N_X	N_Y	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.