Tower Tower Loading and Design

7/29/2019 Tower Tower Loading and Design

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Project: 100m 4 LEGGED TOWER

Part: Calculation of Tower Loading

Tiltle 100M TOWER;EXPOSURE B,CATEGORY 1

Basic Wind Speed= 42 m/s

Wind Area= 17.86TOWER DESCRIPTION

Height of Tower= 100 m

Width at Bottom= 10.5 m

Height of tapering part = 95 m

Height of parallel part= 5 m

Width of parallel part= 1 m

Calc by: Checked: App By:JMM JGM

LEVEL Description D(m) Kz

Level 20 Leg_L20 0.150 5.006 2 1.502 0.484 0.07 3.61 1.05 3.99

(0-5m) Diagonal D20A 0.100 5.702 2 1.140 0.484 0.07 3.61 1.05 3.03

Diagonal D20B 0.100 5.815 2 1.163 0.484 0.07 3.61 1.05 3.09

Horizontal H20A 0.100 10.000 1 1.000 0.484 0.07 3.61 1.05 2.66

Horizontal H20B 0.100 10.250 1 1.025 0.484 0.07 3.61 1.05 2.73

SB20A 0.060 2.739 2 0.329 0.484 0.07 3.61 1.05 0.87

SB20B 0.060 2.500 2 0.300 0.484 0.07 3.61 1.05 0.80

SB20C 0.060 2.775 2 0.333 0.484 0.07 3.61 1.05 0.89

SB20D 0.060 2.545 2 0.305 0.484 0.07 3.61 1.05 0.81

7.097 102.50

Level 19 Leg_L19 0.150 5.006 2 1.502 0.662 0.06 3.64 1.05 4.01

(5m-10m) Diagonal D19A 0.100 5.479 2 1.096 0.662 0.06 3.64 1.05 2.93

Diagonal D19B 0.100 5.590 2 1.118 0.662 0.06 3.64 1.05 2.99

Horizontal H19A 0.075 9.500 1 0.713 0.662 0.06 3.64 1.05 1.90

Horizontal H19B 0.075 9.750 1 0.731 0.050 0.06 3.64 1.05 1.95

SB19A 0.050 2.572 2 0.257 0.050 0.06 3.64 1.05 0.69

SB19B 0.050 2.375 2 0.238 0.050 0.06 3.64 1.05 0.63

SB19C 0.050 2.684 2 0.268 0.050 0.06 3.64 1.05 0.72

SB19D 0.050 2.438 2 0.244 0.662 0.06 3.64 1.05 0.65

6.166 97.50

Level 18 Leg_L18 0.150 5.006 2 1.502 0.766 0.06 3.64 1.05 4.01

(10m-15m_ Diagonal D18A 0.100 5.257 2 1.051 0.766 0.06 3.64 1.05 2.81

Diagonal D18B 0.100 5.368 2 1.074 0.766 0.06 3.64 1.05 2.87

Horizontal H18A 0.075 9.000 1 0.675 0.766 0.06 3.64 1.05 1.80

Horizontal H18B 0.075 9.250 1 0.694 0.766 0.06 3.64 1.05 1.85

SB18A 0.050 2.519 2 0.252 0.766 0.06 3.64 1.05 0.67

SB18B 0.050 2.173 2 0.217 0.766 0.06 3.64 1.05 0.58

SB18C 0.050 2.574 2 0.257 0.766 0.06 3.64 1.05 0.69

SB18D 0.050 2.313 2 0.231 0.766 0.06 3.64 1.05 0.62

5.953 92.50

Level 17 Leg_L17 0.150 5.006 2 1.502 0.843 0.06 3.67 1.04 4.03

(15m-20m) Diagonal D17A 0.075 5.039 2 0.756 0.843 0.06 3.67 1.04 2.03

Diagonal D17B 0.075 5.148 2 0.772 0.843 0.06 3.67 1.04 2.07

Horizontal H17A 0.065 8.500 1 0.553 0.843 0.06 3.67 1.04 1.48

Horizontal H17B 0.065 8.750 1 0.569 0.843 0.06 3.67 1.04 1.53

SB17A 0.050 2.412 2 0.241 0.843 0.06 3.67 1.04 0.65

SB17B 0.050 2.125 2 0.213 0.843 0.06 3.67 1.04 0.57

SB17C 0.050 2.465 2 0.247 0.843 0.06 3.67 1.04 0.66

SB17D 0.050 2.124 2 0.212 0.843 0.06 3.67 1.04 0.57

5.064 87.50

Level 16 Leg_L16 0.150 5.006 2 1.502 0.906 0.06 3.66 1.04 4.02

(20m-25m) Diagonal D16A 0.075 4.823 2 0.723 0.906 0.06 3.66 1.04 1.94

Diagonal D16B 0.075 4.931 2 0.740 0.906 0.06 3.66 1.04 1.98

Horizontal H16A 0.065 8.000 1 0.520 0.906 0.06 3.66 1.04 1.39

Horizontal H16B 0.065 8.250 1 0.536 0.906 0.06 3.66 1.04 1.44

SB16A 0.050 2.306 2 0.231 0.906 0.06 3.66 1.04 0.62

SB16B 0.050 2.000 2 0.200 0.906 0.06 3.66 1.04 0.54SB16C 0.050 2.295 2 0.230 0.906 0.06 3.66 1.04 0.61

SB16D 0.050 2.063 2 0.206 0.906 0.06 3.66 1.04 0.55

4.888 82.50

Level 15 Leg_L15 0.150 5.006 2 1.502 0.959 0.06 3.65 1.05 4.02

(25m-30m) Diagonal D15A 0.075 4.611 2 0.692 0.959 0.06 3.65 1.05 1.85

Diagonal D15B 0.075 4.784 2 0.718 0.959 0.06 3.65 1.05 1.92

Horizontal H15A 0.065 7.500 1 0.488 0.959 0.06 3.65 1.05 1.30

Horizontal H15B 0.065 7.750 1 0.504 0.959 0.06 3.65 1.05 1.35

SB15A 0.050 2.202 2 0.220 0.959 0.06 3.65 1.05 0.59

m2

Length(m)

QTYperface

Area(Af)m

2

Area (Af)per facem2

Gross area(Ag) m2

SolidityRatio,

Forcecoeficient, C

f

Directionfactor ,D

f

(EPA)S

(m2)


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m2

Length(m)

QTYperface

Area(Af)m

2

Area (Af)per facem2

Gross area(Ag) m2

SolidityRatio,

Forcecoeficient, C

f

Directionfactor ,D

f

(EPA)S

(m2)

SB15B 0.050 1.875 2 0.188 0.959 0.06 3.65 1.05 0.50

SB15C 0.050 2.253 2 0.225 0.959 0.06 3.65 1.05 0.60

SB15D 0.050 1.938 2 0.194 0.959 0.06 3.65 1.05 0.52

4.729 77.50

Level 14 Leg_L14 0.120 5.006 2 1.201 1.006 0.05 3.70 1.04 3.23

(30m-35m) Diagonal D14A 0.065 4.403 2 0.572 1.006 0.05 3.70 1.04 1.54

Diagonal D14B 0.065 4.507 2 0.586 1.006 0.05 3.70 1.04 1.58

Horizontal H14A 0.050 7.000 1 0.350 1.006 0.05 3.70 1.04 0.94

Horizontal H14B 0.050 7.250 1 0.363 1.006 0.05 3.70 1.04 0.98

SB14A 0.050 2.100 2 0.210 1.006 0.05 3.70 1.04 0.57

SB14B 0.050 1.750 2 0.175 1.006 0.05 3.70 1.04 0.47

SB14C 0.050 2.151 2 0.215 1.006 0.05 3.70 1.04 0.58

SB14D 0.050 1.813 2 0.181 1.006 0.05 3.70 1.04 0.49

3.854 72.50

Level 13 Leg_L13 0.120 5.006 2 1.201 1.048 0.05 3.69 1.04 3.23

(35m-40m) Diagonal D13A 0.065 4.200 2 0.546 1.048 0.05 3.69 1.04 1.47

Diagonal D13B 0.065 4.301 2 0.559 1.048 0.05 3.69 1.04 1.50

Horizontal H13A 0.050 6.500 1 0.325 1.048 0.05 3.69 1.04 0.87

Horizontal H13B 0.050 6.750 1 0.338 1.048 0.05 3.69 1.04 0.91

SB13A 0.050 2.001 2 0.200 1.048 0.05 3.69 1.04 0.54

SB13B 0.050 1.625 2 0.163 1.048 0.05 3.69 1.04 0.44

SB13C 0.050 2.050 2 0.205 1.048 0.05 3.69 1.04 0.55

SB13D 0.050 1.688 2 0.169 1.048 0.05 3.69 1.04 0.45

3.705 67.50

Level 12 Leg_L12 0.120 5.006 2 1.201 1.087 0.06 3.68 1.04 3.22

(40m-45m) Diagonal D12A 0.065 4.002 2 0.520 1.087 0.06 3.68 1.04 1.40

Diagonal D12B 0.065 4.100 2 0.533 1.087 0.06 3.68 1.04 1.43

Horizontal H12A 0.050 6.000 1 0.300 1.087 0.06 3.68 1.04 0.81

Horizontal H12B 0.050 6.250 1 0.313 1.087 0.06 3.68 1.04 0.84

SB12A 0.050 1.825 2 0.183 1.087 0.06 3.68 1.04 0.49

SB12B 0.050 1.500 2 0.150 1.087 0.06 3.68 1.04 0.40

SB12C 0.050 1.953 2 0.195 1.087 0.06 3.68 1.04 0.52

SB12D 0.050 1.563 2 0.156 1.087 0.06 3.68 1.04 0.42

3.551 62.50

Level 11 Leg_L11 0.100 5.006 2 1.001 1.122 0.05 3.71 1.04 2.70

(45m-50m) Diagonal D11A 0.050 3.810 2 0.381 1.122 0.05 3.71 1.04 1.03

Diagonal D11B 0.050 3.905 2 0.391 1.122 0.05 3.71 1.04 1.05

Horizontal H11A 0.050 5.500 1 0.275 1.122 0.05 3.71 1.04 0.74

Horizontal H11B 0.050 5.750 1 0.288 1.122 0.05 3.71 1.04 0.77

SB11A 0.050 1.813 2 0.181 1.122 0.05 3.71 1.04 0.49

SB11B 0.050 1.375 2 0.138 1.122 0.05 3.71 1.04 0.37

SB11C 0.050 1.858 2 0.186 1.122 0.05 3.71 1.04 0.50

SB11D 0.050 1.352 2 0.135 1.122 0.05 3.71 1.04 0.36

2.975 57.50

Level 10 Leg_L10 0.100 5.006 2 1.001 1.154 0.05 3.69 1.04 2.69

(50m-55m) Diagonal D10A 0.050 3.625 2 0.363 1.154 0.05 3.69 1.04 0.97

Diagonal D10B 0.050 3.717 2 0.372 1.154 0.05 3.69 1.04 1.00Horizontal H10A 0.050 5.000 1 0.250 1.154 0.05 3.69 1.04 0.67

Horizontal H10B 0.050 5.250 1 0.263 1.154 0.05 3.69 1.04 0.71

SB10A 0.050 1.725 2 0.173 1.154 0.05 3.69 1.04 0.46

SB10B 0.050 1.261 2 0.126 1.154 0.05 3.69 1.04 0.34

SB10C 0.050 1.768 2 0.177 1.154 0.05 3.69 1.04 0.48

SB10D 0.050 1.313 2 0.131 1.154 0.05 3.69 1.04 0.35

2.855 52.50

Level 9 Leg_L9 0.100 5.006 2 1.001 1.185 0.06 3.68 1.04 2.69

(55m-60m) Diagonal D9A 0.050 3.448 2 0.345 1.185 0.06 3.68 1.04 0.93


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m2

Length(m)

QTYperface

Area(Af)m

2

Area (Af)per facem2

Gross area(Ag) m2

SolidityRatio,

Forcecoeficient, C

f

Directionfactor ,D

f

(EPA)S

(m2)

Diagonal D9B 0.050 3.536 2 0.354 1.185 0.06 3.68 1.04 0.95

Horizontal H9A 0.050 4.500 1 0.225 1.185 0.06 3.68 1.04 0.60

Horizontal H9B 0.050 4.750 1 0.238 1.185 0.06 3.68 1.04 0.64

SB9A 0.050 1.641 2 0.164 1.185 0.06 3.68 1.04 0.44

SB9B 0.050 1.125 2 0.113 1.185 0.06 3.68 1.04 0.30

SB9C 0.050 1.682 2 0.168 1.185 0.06 3.68 1.04 0.45

SB9D 0.050 1.118 2 0.112 1.185 0.06 3.68 1.04 0.30

2.719 47.50

Level 8 Leg_L8 0.100 5.006 2 1.001 1.213 0.06 3.65 1.05 2.68

(60m-65m) Diagonal D8A 0.050 3.281 2 0.328 1.213 0.06 3.65 1.05 0.88

Diagonal D8B 0.050 3.363 2 0.336 1.213 0.06 3.65 1.05 0.90

Horizonta H8A 0.050 4.000 1 0.200 1.213 0.06 3.65 1.05 0.54

Horizonta H8B 0.050 4.250 1 0.213 1.213 0.06 3.65 1.05 0.57

SB8A 0.050 1.563 2 0.156 1.213 0.06 3.65 1.05 0.42

SB8B 0.050 1.000 2 0.100 1.213 0.06 3.65 1.05 0.27

SB8C 0.050 1.060 2 0.106 1.213 0.06 3.65 1.05 0.28

SB8D 0.050 1.601 2 0.160 1.213 0.06 3.65 1.05 0.432.601 42.50

Level 7 Leg_L7 0.100 5.006 2 1.001 1.240 0.07 3.62 1.05 2.67

(65m-70m) Diagonal D7A 0.050 3.226 2 0.323 1.240 0.07 3.62 1.05 0.86

Diagonal D7B 0.050 3.300 2 0.330 1.240 0.07 3.62 1.05 0.88

Horizontal H7A 0.050 3.500 1 0.175 1.240 0.07 3.62 1.05 0.47

Horizontal H7B 0.050 3.750 1 0.188 1.240 0.07 3.62 1.05 0.50

SB7A 0.050 1.491 2 0.149 1.240 0.07 3.62 1.05 0.40

SB7B 0.050 0.875 2 0.088 1.240 0.07 3.62 1.05 0.23

SB7C 0.050 1.526 2 0.153 1.240 0.07 3.62 1.05 0.41

SB7D 0.050 0.938 2 0.094 1.240 0.07 3.62 1.05 0.25

2.499 37.50

Level 6 Leg_L6 0.100 5.006 2 1.001 1.266 0.07 3.59 1.05 2.65

(70m-75m) Diagonal D6A 0.050 2.982 2 0.298 1.266 0.07 3.59 1.05 0.79

Diagonal D6B 0.050 3.052 2 0.305 1.266 0.07 3.59 1.05 0.81

Horizonta H6A 0.050 3.000 1 0.150 1.266 0.07 3.59 1.05 0.40Horizonta H6B 0.050 3.250 1 0.163 1.266 0.07 3.59 1.05 0.43

SB6A 0.050 1.427 2 0.143 1.266 0.07 3.59 1.05 0.38

SB6B 0.050 0.750 2 0.075 1.266 0.07 3.59 1.05 0.20

SB6C 0.050 1.458 2 0.146 1.266 0.07 3.59 1.05 0.39

SB6D 0.050 0.801 2 0.080 1.266 0.07 3.59 1.05 0.21

2.361 32.50

Level 5 Leg_L5 0.100 5.006 2 1.001 1.290 0.08 3.55 1.06 2.64

(75m-80m) Diagonal D5A 0.050 2.853 2 0.285 1.290 0.08 3.55 1.06 0.75

Diagonal D5B 0.050 2.915 2 0.292 1.290 0.08 3.55 1.06 0.77

Horizonta H5A 0.050 2.500 1 0.125 1.290 0.08 3.55 1.06 0.33

Horizonta H5B 0.050 2.250 1 0.113 1.290 0.08 3.55 1.06 0.30

SB5A 0.050 1.371 2 0.137 1.290 0.08 3.55 1.06 0.36

SB5B 0.050 0.625 2 0.063 1.290 0.08 3.55 1.06 0.16

SB5C 0.050 1.398 2 0.140 1.290 0.08 3.55 1.06 0.37

SB5D 0.050 0.688 2 0.069 1.290 0.08 3.55 1.06 0.18

2.224 27.50

Level 4 Leg_L4 0.100 5.006 2 1.001 1.313 0.10 3.47 1.07 2.61

(80m-85m) Diagonal D4A 0.050 2.741 2 0.274 1.313 0.10 3.47 1.07 0.71

Diagonal D4B 0.050 2.795 2 0.280 1.313 0.10 3.47 1.07 0.73

Horizonta H4A 0.050 2.000 1 0.100 1.313 0.10 3.47 1.07 0.26

Horizonta H4B 0.050 2.250 1 0.113 1.313 0.10 3.47 1.07 0.29

SB4A 0.050 1.324 2 0.132 1.313 0.10 3.47 1.07 0.35

SB4B 0.050 0.500 2 0.050 1.313 0.10 3.47 1.07 0.13

SB4C 0.050 1.346 2 0.135 1.313 0.10 3.47 1.07 0.35


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m2

Length(m)

QTYperface

Area(Af)m

2

Area (Af)per facem2

Gross area(Ag) m2

SolidityRatio,

Forcecoeficient, C

f

Directionfactor ,D

f

(EPA)S

(m2)

SB4D 0.050 0.563 2 0.056 1.313 0.10 3.47 1.07 0.15

2.141 22.50

Level 3 Leg_L3 0.075 5.006 2 0.751 1.335 0.10 3.44 1.08 1.95

(85m-90m) Diagonal D3A 0.050 2.649 2 0.265 1.335 0.10 3.44 1.08 0.69

Diagonal D3B 0.050 2.693 2 0.269 1.335 0.10 3.44 1.08 0.70

Horizonta H3A 0.050 1.500 1 0.075 1.335 0.10 3.44 1.08 0.19

Horizonta H3B 0.050 1.750 1 0.088 1.335 0.10 3.44 1.08 0.23

SB3A 0.050 1.288 2 0.129 1.335 0.10 3.44 1.08 0.33

SB3B 0.050 0.375 2 0.038 1.335 0.10 3.44 1.08 0.10

SB3C 0.050 1.305 2 0.131 1.335 0.10 3.44 1.08 0.34

SB3D 0.050 0.438 2 0.044 1.335 0.10 3.44 1.08 0.11

1.788 17.50

Level 2 Leg_L2 0.075 5.006 2 0.751 1.357 0.14 3.27 1.10 1.90

(90m-95m) Diagonal D2A 0.050 2.577 2 0.258 1.357 0.14 3.27 1.10 0.65

Diagonal D2B 0.050 2.614 2 0.261 1.357 0.14 3.27 1.10 0.66

Horizonta H2A 0.050 1.000 1 0.050 1.357 0.14 3.27 1.10 0.13

Horizonta H2A 0.050 1.250 1 0.063 1.357 0.14 3.27 1.10 0.16SB2A 0.050 1.264 2 0.126 1.357 0.14 3.27 1.10 0.32

SB2B 0.050 0.250 2 0.025 1.357 0.14 3.27 1.10 0.06

SB2C 0.050 1.275 2 0.128 1.357 0.14 3.27 1.10 0.32

SB2D 0.050 0.313 2 0.031 1.357 0.14 3.27 1.10 0.08

1.693 12.50

Level 1 Leg_L1 0.075 5.000 2 0.750 1.377 0.17 3.13 1.12 1.85

(95m-100m Diagonal D1A 0.050 2.550 2 0.255 1.377 0.17 3.13 1.12 0.63

Diagonal D1B 0.050 2.550 2 0.255 1.377 0.17 3.13 1.12 0.63

Horizonta H1A 0.050 1.000 1 0.050 1.377 0.17 3.13 1.12 0.12

Horizonta H1B 0.050 1.000 1 0.050 1.377 0.17 3.13 1.12 0.12

SB1 0.050 1.28 4 0.255 1.377 0.17 3.13 1.12 0.63

SB2 0.050 0.25 4 0.050 1.377 0.17 3.13 1.12 0.12

1.665 10.00 SUM TOTAL 187.73


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Basic Wind Speed= 42m/sWind Area= 17.86






Calc by: Check App By: DatJMM 0 JGM

LEVEL Description D(m) Kz Cf (EPA)S Flo

Level 20 Leg_20 0.01 5 2 0.060 0.484 0.167 0.10 1.00 3.46 0.21

(0-5m) rangs 0.02 0.35 20 0.112 0.484 0.445 0.10 0.56 3.45 0.22 Sub

1.75

Level 19 Leg_19 0.01 5 2 0.060 0.662 0.195 0.10 1.00 3.45 0.21

(5m-10m) rangs 0.02 0.35 20 0.112 0.662 0.521 0.10 0.56 3.45 0.22 Sub

1.75

Level 18 Leg_18 0.01 5 2 0.060 0.766 0.210 0.10 1.00 3.45 0.21

(10m-15m_rangs 0.02 0.35 20 0.112 0.766 0.560 0.10 0.56 3.45 0.22 Sub

1.75

Level 17 Leg_17 0.01 5 2 0.060 0.843 0.220 0.10 1.00 3.45 0.21

(15m-20m) rangs 0.02 0.35 20 0.112 0.843 0.588 0.10 0.56 3.45 0.22 Sub

1.75Level 16 Leg_16 0.01 5 2 0.060 0.906 0.228 0.10 1.00 3.45 0.21

(20m-25m) rangs 0.02 0.35 20 0.112 0.906 0.609 0.10 0.56 3.45 0.22 Sub

1.75

Level 15 Leg_15 0.01 5 2 0.060 0.959 0.235 0.10 1.00 3.45 0.21

(25m-30m) rangs 0.02 0.35 20 0.112 0.959 0.627 0.10 0.56 3.45 0.22 Sub

1.75

Level 14 Leg_14 0.01 5 2 0.060 1.006 0.241 0.10 1.00 3.45 0.21

(30m-35m) rangs 0.02 0.35 20 0.112 1.006 0.642 0.10 0.56 3.45 0.22 Sub

1.75

Level 13 Leg_13 0.01 5 2 0.060 1.048 0.246 0.10 1.00 3.45 0.21

(35m-40m) rangs 0.02 0.35 20 0.112 1.048 0.655 0.10 0.56 3.45 0.22 Sub

1.75

Level 12 Leg_12 0.01 5 2 0.060 1.087 0.250 0.10 1.00 3.45 0.21

(40m-45m) rangs 0.02 0.35 20 0.112 1.087 0.667 0.10 0.56 3.45 0.22 Sub

1.75Level 11 Leg_11 0.01 5 2 0.060 1.122 0.254 0.10 1.00 3.45 0.21

(45m-50m) rangs 0.02 0.35 20 0.112 1.122 0.678 0.10 0.56 3.45 0.22 Sub

1.75

Level 10 Leg_10 0.01 5 2 0.060 1.154 0.258 0.10 1.00 3.45 0.21

(50m-55m) rangs 0.02 0.35 20 0.112 1.154 0.688 0.10 0.56 3.45 0.22 Sub

1.75

Level 9 Leg_9 0.01 5 2 0.060 1.185 0.261 0.10 1.00 3.45 0.21

(55m-60m) rangs 0.02 0.35 20 0.112 1.185 0.697 0.10 0.56 3.45 0.22 Sub

1.75

Level 8 Leg_8 0.01 5 2 0.060 1.213 0.264 0.10 1.00 3.45 0.21

(60m-65m) rangs 0.02 0.35 20 0.112 1.213 0.705 0.10 0.56 3.45 0.22 Sub

1.75

Level 7 Leg_7 0.01 5 2 0.060 1.240 0.267 0.10 1.00 3.45 0.21

(65m-70m) rangs 0.02 0.35 20 0.112 1.240 0.713 0.10 0.56 3.45 0.22 Sub

1.75Level 6 Leg_6 0.01 5 2 0.060 1.266 0.270 0.10 1.00 3.45 0.21

(70m-75m) rangs 0.02 0.35 20 0.112 1.266 0.720 0.10 0.56 3.45 0.22 Sub

1.75

Level 5 Leg_5 0.01 5 2 0.060 1.290 0.273 0.10 1.00 3.45 0.21

(75m-80m) rangs 0.02 0.35 20 0.112 1.290 0.727 0.10 0.56 3.45 0.22 Sub

1.75

Level 4 Leg_4 0.01 5 2 0.060 1.313 0.275 0.10 1.00 3.45 0.21

(80m-85m) rangs 0.02 0.35 20 0.112 1.313 0.733 0.10 0.56 3.45 0.22 Sub

1.75

Level 3 Leg_3 0.01 5 2 0.060 1.335 0.277 0.10 1.00 3.45 0.21

(85m-90m) rangs 0.02 0.35 20 0.112 1.335 0.740 0.10 0.56 3.45 0.22 Sub

1.75

Level 2 Leg_2 0.01 5 2 0.060 1.357 0.280 0.10 1.00 3.45 0.21

(90m-95m) rangs 0.02 0.35 20 0.112 1.357 0.746 0.10 0.56 3.45 0.22 Sub

1.75

Level 1 Leg_1 0.01 5 2 0.060 1.377 0.282 0.10 1.00 3.45 0.21

(95m-100m rangs 0.02 0.35 20 0.112 1.377 0.751 0.10 0.56 3.45 0.22 Sub

1.75

m2

Length(m)

QTYperface

Area(Ar)m2

Area(Af)m2 C=40D*(Kz)0.5

Gross area(Ag) m2

SolidityRatio,

Rr(Reductionratio)


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Project 100m 4 LEGGED TOWER


Client AMERICAN TOWERS COMPANY

Design code: ANSI / TIA-22-G-2005

Subject Calculations

Meteorological and Design Paramete

Basic Wind Speed=Wind Area at Top=

Class of Tower=

A) TOWER DESCRIPTIONHeight of Tower=

Width at Bottom=

Height of tapering part =

Height of parallel part=

Width of parallel part=

B) LOADINGS

1 Dead loads (GK)

i) Self weight of Tower

ii ) Permanent Fixtures eg GSM antennae &MREF;RFS

PRDCTS Level Equipment Type Size of Cells

100m 6No. Antenna Panels 2.755m x 0.36

97.5m 4No. 0 .66m Dishes 0.66m Diame

95m 6No. Antenna Panels 2.755m x 0.36

92 5m 4No 0 66m Dishes 0 66m Diame


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3 Wind Load (WK)

Basic wind speed =

Clause ANSI/TIA-222-G-2005 (Structural Standard for Anten

2.6.9

Clause

2.6.9.1 Where

Design wind

Clause Design wind

2.6.9.2 Design wind

i. Design wind force on structure

Clause

2.6.9.3

Clause a)

2.6.9.1 Where

Clause (For la ttic ed

2.6.9.6

I= importance

DESIGN WIND SPEED, Fw

= FST

+FA+F

G

FST

=

FA=

FG=

FST=

qz*G

h*(EPA

Velocity pressure ,qz=

0.613*Kz*Kz

Kd

= the wind di


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Subject CalculationsClause Velocity pressure coefficient

2.6.5.2 Exposure C

Section Level Section height ,m Bottom le(0-5m) 2.5 5 10.5

(5m-10m) 7.5 5 10.0

(10m-15m_) 12.5 5 9.50

(15m-20m) 17.5 5 9.00

(20m-25m) 22.5 5 8.50

(25m-30m) 27.5 5 8.00

(30m-35m) 32.5 5 7.50

(35m-40m) 37.5 5 7.00

(40m-45m) 42.5 5 6.50

(45m-50m) 47.5 5 6.00

(50m-55m) 52.5 5 5.50

(55m-60m) 57.5 5 5.00

(60m-65m) 62.5 5 4.50

(65m-70m) 67.5 5 4.00

(70m-75m) 72.5 5 3.50

(75m-80m) 77.5 5 3.00

(80m-85m) 82.5 5 2.50

(85m-90m) 87.5 5 2.00

(90m-95m) 92.5 5 1.50

(95m-100m) 97.5 5 1.00

Height above

the grd,Z (m)


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lev el Section

Level 20 Leg_L20 0.8

(0-5m) Diagonal D20A 0.8

Diagonal D20B 0.8

Horizontal H20A 0.8

Horizontal H20B 0.8

SB20A 0.8

SB20B 0.8

SB20C 0.8

SB20D 0.8


(5m-10m) Diagonal D19A 0.8

Diagonal D19B 0.8

Horizontal H19A 0.8Horizontal H19B 0.8

SB19A 0.8

SB19B 0.8

SB19C 0.8

SB19D 0.8


(10m-15m ) Diagonal D18A 0 8

Member wind loading

Gust fac


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Subject Calculations(35m-40m) Diagonal D13A 0.8

Diagonal D13B 0.8

Horizontal H13A 0.8

Horizontal H13B 0.8

SB13A 0.8

SB13B 0.8

SB13C 0.8

SB13D 0.8



Diagonal D12B 0.8

Horizontal H12A 0.8

Horizontal H12B 0.8

SB12A 0.8

SB12B 0.8

SB12C 0.8

SB12D 0.8



Diagonal D11B 0.8

Horizontal H11A 0.8

Horizontal H11B 0.8

SB11A 0.8

SB11B 0.8

SB11C 0.8

SB11D 0.8


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Subject CalculationsLevel 5 Leg_L5 0.8

(75m-80m) Diagonal D5A 0.8Diagonal D5B 0.8

Horizonta H5A 0.8

Horizonta H5B 0.8SB5A 0.8

SB5B 0.8SB5C 0.8

SB5D 0.8

Level 4 Leg_L4 0.8(80m-85m) Diagonal D4A 0.8

Diagonal D4B 0.8

Horizonta H4A 0.8Horizonta H4B 0.8

SB4A 0.8

SB4B 0.8

SB4C 0.8SB4D 0.8

Level 3 Leg_L3 0.8(85m-90m) Diagonal D3A 0.8

Diagonal D3B 0.8Horizonta H3A 0.8

Horizonta H3B 0.8SB3A 0.8

SB3B 0.8SB3C 0.8

SB3D 0 8


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b) Cat ladder

Ref Section

Level 20 0.85

(0-5m) 0.85

Level 19 0.85

(5m-10m) 0.85

Level 18 0.85

(10m-15m_) 0.85

Level 17 0.85

(15m-20m) 0.85

Level 16 0.85

(20m-25m) 0.85

Level 15 0.85 (25m-30m) 0.85

Level 14 0.85

(30m-35m) 0.85

Level 13 0.85

(35m-40m) 0.85

Gust facto


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5 0.30 0.0810 0.41 0.11

15 0.48 0.13

20 0.53 0.14

25 0.57 0.15

30 0.60 0.16

35 0.63 0.17

40 0.65 0.17

45 0.68 0.18

50 0.70 0.19

55 0.72 0.19

60 0.74 0.20

65 0.76 0.20

70 0.77 0.21

75 0.79 0.21

80 0.81 0.2185 0.82 0.22

90 0.83 0.22

95 0.85 0.22

100 0.86 0.23

c) Equipments

Clause GSM Antennaes and microwav e dishe

2.6.9.2

Sectionlevel(m)

Force from cables(KN) persupport node

FORCE FROCATLADDESUPORT NO(KN)


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level

2.5 5 10.500 10.000 102.5 7.097 0.07 0.48

7.5 5 10.000 9.500 97.50 6.166 0.06 0.66

12.5 5 9.500 9.000 92.50 5.953 0.06 0.77

17.5 5 9.000 8.500 87.50 5.064 0.06 0.84

22.5 5 8.500 8.000 82.50 4.888 0.06 0.91

27.5 5 8.000 7.500 77.50 4.729 0.06 0.96

32.5 5 7.500 7.000 72.50 3.854 0.05 1.01

37.5 5 7.000 6.500 67.50 3.705 0.05 1.05

42.5 5 6.500 6.000 62.50 3.551 0.06 1.09

47.5 5 6.000 5.500 57.50 2.975 0.05 1.12

52.5 5 5.500 5.000 52.50 2.855 0.05 1.15

57.5 5 5.000 4.500 47.50 2.719 0.06 1.18

62.5 5 4.500 4.000 42.50 2.601 0.06 1.21

67.5 5 4.000 3.500 37.50 2.499 0.07 1.24

72.5 5 3.500 3.000 32.50 2.361 0.07 1.27

77.5 5 3.000 2.500 27.50 2.224 0.08 1.29

82.5 5 2.500 2.000 22.50 2.141 0.10 1.3187.5 5 2.000 1.500 17.50 1.788 0.10 1.34

92.5 5 1.500 1.000 12.50 1.693 0.14 1.36

97.5 5 1.000 1.000 10.00 1.665 0.17 1.38

Sectionheight ,

m

Bottomlength

(m)

Toplength

(m)

Ag-Grossarea persection

(m2)

Af-Memberareas persection

(m2),solidity

ratioKz=

2.01(Z/366)^0.2857

Tower Tower Loading and Design

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