China Megatro 800kv 8A1 Z4 Tangent Transmission Tower, Find details about China 800kv 8A1-Z4 Suspension Tower, 800kv Angle Tower from Megatro 800kv 8A1 Z4 Tangent Transmission Tower
Item | Temperature (ºC) | 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 |
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/ºC) | 0.0000215 | 0.000013 | |
Broken force (N) | 203390 | 178570 |
Tower type | Nominal Height (mm) | Horizontal span (m) | Vertical Span (m) | Angle º | Insulator Type | Horizontal Span at angel condition | Tower weight kg |
8A1 Z4 | 57 | 680 | 870 | 0-3 | / | / | 39719 |
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 |
Application data | Horizontal span | Vertical span | Representative span | Angle ° | Nominal Height | KV |
value | 680m | 870 | 400 | 0~3 | 57m | 0.7 |
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 | 108242 | 23317 | 0 | 0 | 0 | 11864 | 23317 | |
Insulator and power fitting | 4630 | 548 | 0 | 0 | 0 | 456 | 548 | ||
OPGW | 9341 | 3305 | 0 | 0 | 0 | 890 | 3305 | ||
Vertical Loadign | conductor | 173110 | 238134 | 158684 | 216485 | 216485 | 158684 | 198445 | |
Insulator and power fitting | 19136 | 21606 | 19136 | 21606 | 21606 | 19136 | 21606 | ||
OPGW | 11673 | 25317 | 11251 | 23015 | 23015 | 11251 | 19180 | ||
Tension Force | conductor | One side | - | / | / | / | / | 360783 | / |
Other side | - | / | / | / | / | 360783 | / | ||
Tension force differences | 0 | 0 | 0 | 0 | 92745 | / | 46373 | ||
OPGW | One side | / | / | / | / | / | 55440 | / | |
Other side | / | / | / | / | / | 55440 | / | ||
Tension force differences | 0 | 0 | 0 | 0 | 59509 | / | 11902 |
Nominal Height (m) | Foundation distance (mm) | Foundation anchor bolts | |||
Front foundation Distance | Lateral foundation distance | Size and quantity | Anchor distance | Material | |
36 | 7850 | 7850 | 4×M60 | 340 | Chinese 35 steel |
39 | 8450 | 8450 | |||
42 | 9050 | 9050 | |||
45 | 9650 | 9650 | |||
48 | 10250 | 10250 | |||
51 | 10850 | 10850 | |||
54 | 11450 | 11450 | |||
57 | 12050 | 12050 | |||
60 | 12650 | 12650 | |||
63 | 13250 | 13250 | |||
66 | 13850 | 13850 | |||
69 | 14450 | 14450 | |||
72 | 15050 | 15050 | |||
75 | 15650 | 15650 |
Nominal height (m) | TX | TY | T | NX | NY | N |
36 | 134 | 116 | 1056 | 171 | 143 | 1357 |
39 | 140 | 121 | 1086 | 179 | 151 | 1410 |
42 | 141 | 123 | 1115 | 180 | 154 | 1442 |
45 | 147 | 128 | 1135 | 186 | 160 | 1485 |
48 | 147 | 130 | 1163 | 187 | 162 | 1514 |
51 | 152 | 133 | 1181 | 196 | 170 | 1558 |
54 | 153 | 135 | 1207 | 197 | 172 | 1586 |
57 | 154 | 137 | 1231 | 197 | 174 | 1612 |
60 | 161 | 141 | 1239 | 207 | 182 | 1662 |
63 | 161 | 143 | 1263 | 208 | 184 | 1688 |
66 | 162 | 144 | 1286 | 209 | 186 | 1712 |
69 | 168 | 148 | 1289 | 220 | 195 | 1765 |
72 | 169 | 150 | 1312 | 220 | 196 | 1790 |
75 | 169 | 151 | 1334 | 221 | 198 | 1812 |
Nominal height (m) | 36 | 39 | 42 | 45 | 48 | 51 | 54 |
Tower weight (kg) | 27631 | 29156 | 30624 | 32272 | 33816 | 36354 | 37937 |
Nominal height (m) | 57 | 60 | 63 | 66 | 69 | 72 | 75 |
Tower weight (kg) | 39718 | 42665 | 44352 | 46298 | 50005 | 51770 | 53646 |
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 |
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 | / |
No | Code | DESCRIPTION |
1 | GB/T2694-2003 | Power Transmission line Steel tower - Technical requirements for manufacturing |
2 | JGJ81-2002 | Technical specification for welding for steel structure of building |
3 | GB9787-88 | Measuring and allowable tolerance for hot-rolled equal angle |
4 | GB709-88 | Measuring and allowable tolerance for hot-rolled plate and strip |
5 | GB/T699-1999 | Quality Carbon Structural Steel |
6 | GB/T1591-1994 | Low alloy high strength structural Steel |
7 | GB700-88 | Carbon Structural Steel |
8 | GB222-84 | Method of sampling steel for determination of chemical composition and permissible variations |
9 | GB/T228-2002 | Method for Tensile testing of metals |
10 | GB/T232-1999 | Method for Bending test of metals |
11 | GB/T5117-1995 | Carbon Welding Rod |
12 | GB/T5118-1995 | Low Alloy Welding Rod |
13 | GB/T8220-1995 | Welding wires for gas shielding arc welding of carbon and low alloy steels |
14 | GB/T10045-2001 | Carbon steel flux cored electrodes for arc welding |
15 | JB/T7949-1999 | Weld outer dimensions for steel construction |
16 | GB50205-2001 | Test Standard for Acceptance of Steel Structure |
17 | GB/T470-1997 | Zinc Ingot |
18 | GB3098.1-2000 | Mechanical properties of fasteners-Part 1:Bolts, screws and studs |
19 | GB3098.2-2000 | Mechanical properties of fasteners-Part2: Nuts, and thread |
20 | GB3098.3-2000 | Mechanical properties of fasteners-Part3: Fastening screw |
21 | GB/T5780-2000 | Helical Bolts Grade C |
22 | GB/T41-2000 | Helical Nuts Grade C |
23 | GB/T90-2002 | Flat Washer Grade C |
24 | GB/T13912-2002 | Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts |
Standard | Description |
ASTM A6/A6M | Standard specification for general requirements for rolled structural steel bars, plates, and sheet piling. |
ASTM - 6 | - General Requirements for delivery of Rolled Steel Plates, Shapes, sheet Piling Bars for structural used |
ASTM A36/A36-M-97a | Standard specification for Carbon structural steel |
ASTM A123 / A123M-02 | Standard specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products |
ASTM A143 / A143M-03 | Standard Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment |
ASTM A153/ A153M-05 | Standard specification for zinc coating (Hot-Dip) on iron and steel hardware |
ASTM A - 194 | - Grade for bolt |
ASTM A239 | Standard practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles |
ASTM A242 | Standard specification for High-Strength Low-Alloy Structural steel |
ASTM A307 | Standard Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength |
ASTM A370-06 | Standard Test Methods and Definitions for Mechanical Testing of Steel Products |
ASTM A325 | Standard Specification for structural bolts, steel, Heat treated 120/105 ksi minimum tensile strength |
ASTM A-325 or A-354 | - Galvanized hexagonal head of connection bolt |
ASTM A325-97 | Standard Specification for High-strength Bolts for structural steel Joints |
ASTM A384 / A384M-02 | Standard Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies. |
ASTM A394-93 | Standard Specification for steel Transmission Tower, Bolts, Zinc Coated and Bare |
ASTMA - 563 | - Class and size of nuts |
ASTMA - 572 | - Chemical composition of steel |
ASTM A572/A572-97c | Standard specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel |
ASTMA - 615 | - The anchor bolt material |
ASTM A673 / A673M-07 | Standard Specification for Sampling Procedure for Impact Testing of Structural Steel |
ASTM B201 | Standard practice for testing Chromatic coating on Zinc and Cadmium surfaces |
ASTM E94-93 | Standard Guide for Radiographic Testing |
ASTM E 709-95 | Standard Guide for Magnetic Particle Examination |
ASCE Manual 72 | - Load testing a simple structure |
ASCE 10-97 | Standard Design of latticed steel transmission structures |
AWS D1.1 | American Welding Society D1,1/D1,1M structural Welding code- Steel |
ANSI B-182-2 | Bolts, nuts and washers dimensions |