55m SS Tower 260

Panel wise wind load calculation

Tower Height 55 m

Basic Wind speed 260 km/h

Terrain Category A or A

C c 4.72E-05

C i 1

C g 1.225

Panel

Bottom

Width

(mm)

Top

Width

(mm)

Height

(mm)

Gross Area

(mm2)

Member

Type

Member

Width

Member

length Quantity Area

Solidity

Ratio

Panel

Center

Height

Above

Base

(mm) C z C p

Sustained

wind

pressure

q z (kN/m2)

Design

Wind

Pressure

p z

(kN/m2)

Wind

Force

(kN)

Ladder

Area

(m2/m)

Safety

Cage

(m2/m)

Cable

Area

(m2/m)

Force on

Appurt.

Total

Panel

Force on

Face

(kN)

1 8123 8123 6130 51418590 Leg 200 1057 6 1268400 0.1336 5190 0.39 3.41 1.24 5.191 35.643 0.07 0.03 0.2 4.11 35.78

Leg 200 1505 4 1204000

Bracing 100 20380 1 2038000 C p C p C p

Base Dia 2 65 2602 6 1014780 2 2 1.2

0 Dia 2 50 2033 6 609900

Hori 90 4066 2 731880

Total Area 6866960 Cumulative 35.78

2 7400 7400 6000 45880000 Leg 200 1003 6 1203600 0.1415 9130 0.5011 3.36 1.60 6.587 42.769 0.07 0.03 0.2 5.17 43.14

Leg 200 1505 4 1204000

Bracing 100 19072 1 1907200 C p C p C p

Base Dia 2 65 2454 6 957060 2 2 1.2

6130 Dia 2 50 1850 6 555000

Hori 90 3700 2 666000

Total Area 6492860 Cumilative 78.92

3 6679 6679 6000 41409800 Leg 200 1130 6 1356000 0.1342 15130 0.6269 3.40 2.00 8.334 46.326 0.07 0.03 0.2 6.47 47.51

Horizontal 200 1450 4 1160000

Bracing 100 19072 1 1907200 C p C p C p

Base Dia 2 38 1340 6 305520 2 2 1.2

12130 Dia 3 38 720 6 164160

Hori 90 3700 2 666000

Total Area 5558880 Cumilative 126.44

BRTC, BUET Page 1 of 9

55m SS Tower 260

Panel wise wind load calculation

Tower Height 55 m

Basic Wind speed 260 km/h

Terrain Category A or A

C c 4.72E-05

C i 1

C g 1.225

Panel

Bottom

Width

(mm)

Top

Width

(mm)

Height

(mm)

Gross Area

(mm2)

Member

Type

Member

Width

Member

length Quantity Area

Solidity

Ratio

Panel

Center

Height

Above

Base

(mm) C z C p

Sustained

wind

pressure

q z (kN/m2)

Design

Wind

Pressure

p z

(kN/m2)

Wind

Force

(kN)

Ladder

Area

(m2/m)

Safety

Cage

(m2/m)

Cable

Area

(m2/m)

Force on

Appurt.

Total

Panel

Force on

Face

(kN)

4 5956 5956 6000 36331600 Leg 100 1120 8 896000 0.158 21130 0.727 3.28 2.32 9.313 53.462 0.07 0.03 0.2 7.50 54.87

Horizontal 75 1223 2 183450

Bracing 63 1340 8 675360 C p C p C p

Base Dia 2 38 1280 4 194560 2 2 1.2

18130 Dia 3 38 630 4 95760

Total Area 2045130 Cumilative 181.30

5 5234 5234 6150 32712500 Leg 100 1120 8 896000 0.166 27205 0.8132 3.24 2.59 10.286 55.854 0.07 0.03 0.2 8.60 58.01

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

24130 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 239.31

6 4501 4501 6000 27456100 Leg 100 1120 8 896000 0.174 33280 0.8892 3.20 2.84 11.103 53.043 0.07 0.03 0.2 9.17 55.99

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

30280 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 295.31

BRTC, BUET Page 2 of 9

55m SS Tower 260

Panel wise wind load calculation

Tower Height 55 m

Basic Wind speed 260 km/h

Terrain Category A or A

C c 4.72E-05

C i 1

C g 1.225

Panel

Bottom

Width

(mm)

Top

Width

(mm)

Height

(mm)

Gross Area

(mm2)

Member

Type

Member

Width

Member

length Quantity Area

Solidity

Ratio

Panel

Center

Height

Above

Base

(mm) C z C p

Sustained

wind

pressure

q z (kN/m2)

Design

Wind

Pressure

p z

(kN/m2)

Wind

Force

(kN)

Ladder

Area

(m2/m)

Safety

Cage

(m2/m)

Cable

Area

(m2/m)

Force on

Appurt.

Total

Panel

Force on

Face

(kN)

7 3780 3780 6000 23058000 Leg 100 1120 8 896000 0.182 39280 0.9571 3.15 3.05 11.794 49.496 0.07 0.03 0.2 9.87 53.43

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

36280 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 348.74

8 3056 3056 4460 13935360 Leg 100 1120 8 896000 0.19 44510 1.0116 3.11 3.23 12.302 32.573 0.07 0.03 0.2 7.76 36.30

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

42280 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 385.04

9 2530 2530 4390 11359700 Leg 100 1120 8 896000 0.198 20013 1.2215 3.01 2.54 8.509 19.139 0.07 0.03 0.2 2.33 19.33

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

46740 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 152.98

11.72 13.57

BRTC, BUET Page 3 of 9

55m SS Tower 260

Panel wise wind load calculation

Tower Height 55 m

Basic Wind speed 260 km/h

Terrain Category A or A

C c 4.72E-05

C i 1

C g 1.225

Panel

Bottom

Width

(mm)

Top

Width

(mm)

Height

(mm)

Gross Area

(mm2)

Member

Type

Member

Width

Member

length Quantity Area

Solidity

Ratio

Panel

Center

Height

Above

Base

(mm) C z C p

Sustained

wind

pressure

q z (kN/m2)

Design

Wind

Pressure

p z

(kN/m2)

Wind

Force

(kN)

Ladder

Area

(m2/m)

Safety

Cage

(m2/m)

Cable

Area

(m2/m)

Force on

Appurt.

Total

Panel

Force on

Face

(kN)

10 2164 2164 3680 8179920 Leg 100 1120 8 896000 0.206 20013 1.2215 3.01 2.54 8.509 14.339 0.07 0.03 0.2 2.33 15.01

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

51130 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 152.98

11 2000 2000 5250 10700000 Leg 100 1120 8 896000 0.21 20013 1.2215 3.01 2.54 8.509 19.120 0.07 0.03 0.2 2.33 19.31

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

54810 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 152.98

12 2000 2000 5250 10700000 Leg 100 1120 8 896000 0.21 20013 1.2215 3.01 2.54 8.509 19.120 0.07 0.03 0.2 2.33 19.31

Horizontal 75 1010 2 151500

Bracing 75 1280 8 768000 C p C p C p

Base Dia 2 38 1210 4 183920 2 2 1.2

60060 Dia 3 38 0.6 4 91.2

Total Area 1999511.2 Cumilative 152.98

BRTC, BUET Page 4 of 9

Facto

r

Diagonal

force (kN)

1.10 39.36

1.11 47.72

1.10 52.30

BRTC, BUET Page 5 of 9

Facto

r

Diagonal

force (kN)

1.12 61.37

1.12 65.23

1.13 63.30

BRTC, BUET Page 6 of 9

Facto

r

Diagonal

force (kN)

1.14 60.73

1.14 41.47

1.16 22.37

BRTC, BUET Page 7 of 9

Facto

r

Diagonal

force (kN)

1.16 17.37

1.16 15.19

1.16 15.19

BRTC, BUET Page 8 of 9

52m Triangular Tower by REIME

Antenna Loads

Wind speed 200 km/h

Exposure B

Microwave Dish Antenna

Antenna

Size (m)

Weight Per

Antenna

(kg)

Force

from

Andrew's

Catalog

for 200

km/h wind

(kN)

Location

(m) QuantityHeight

Factor C z

Gust Factor

C g

Quantity

Multiplier

with

shielding

Total

Force

(kN)

Total

Weight

(kN)

0.6 30 0.932 27.5 3 1.34 1.17 2.4 3.50 0.88263

0.6 30 0.932 30 3 1.37 1.16 2.4 3.57 0.88263

1.2 120 2.83 37.5 3 1.46 1.15 2.4 11.38 3.53052

1.2 120 2.83 40 3 1.49 1.14 2.4 11.54 3.53052

Cellular Antena

Size

(Height, m)

Size (Width,

m)

Location

(m)

Weight

Per

Antenna

(kg) Quantity

Quantity

Multiplier

with

ShieldingHeight

Factor C z

Gust Factor

C g

Pressure

Co-eff.

C p

Total

Wind

force (kN)

Total

Weight

(kN)

2.000 0.200 52.000 9.000 6.000 4.200 1.603 1.123 1.400 7.995 0.529578

BRTC, BUET