25.0 m monopole comparative study

7/30/2019 25.0 m Monopole Comparative Study

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Project Name:

Designed by: FCFalgui Date:

ANALYSIS OF MONOPOLE

SECTION 1Analysis Criteria:

Determine Wind Pressures

H = 45 m Heightof Monopole

V = 39 m/s Basic Design Wind speed for the structure

GH = 1.69 Gust Response of Monopole as per Section 2.3.4.2

To satisfy Section 2.3.9.3 , Calculate pressures on each section using two parts

SECTION PROPERTIES

h = 33.84 m Section base elevation

L = 11.28 m Length of section

DB = 0.752 m Bottom Diameter of Section

DM = 0.655 m Midpoint Diameter of Section

DT = 0.558 m Top Diameter of Section

CALCULATIONS

y1 = [(2DT + DM)/3(DT + DM)]*(L/2) Center of A1 of Section from midbase

y1 = 2.744830998 m

y2 = [(2DM + DB)/3*(DM + DB)]*(L/2) Center of A2 of Section from base

y2 = 2.755195451 m

A1 = (DT + DM)*(L/2)/2

A1 = 3.42066 sqm Area of Top Section

A2 = (DM + DB)*(L/2)/2

A2 = 3.96774 sqm Area of Bottom Section

z1 = h + L/2 + y1 Distance of center of A1 to base of section

z1 = 42.224831 m

z2 = h + y2 Distance of center of A2 to base of section

z2 = 36.59519545 m

Kz1 = (z1/10)^2/7 Exposure Coefficient at A1

Kz1 = 1.509145143 1 < Kz < 2.58


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Kz1 = 1.509 Input Value


Kz2 = 1.448691431 1 < Kz < 2.58


qz1 = 0.613*Kz1*v^2 Velocity Pressure at A1

qz1 = 1406.950857


qz2 = 1350.076104

F1= GH*qz1*A1

F1 = 8133.463876 N

F1 = 8.133463876 kN

F2= GH*qz2*A2

F2 = 9052.909124 N

F2 = 9.052909124 kN

F1*z1 = 343.4341376 kN-m

F2*z2 = 331.2929788 kN-m

z equivalent = (F1*z1 + F2*z2)/(F1+ F2) Equivalent Distance of the center of the Secti

z equivalent = 39.25942468 m

qzequivalent = (F1 + F2)/(1.69*(A1 + A2) Equivalent Velocity Pressure of Section

qzequivalent = 1376.407812 kPa

Kzequivalent = (zequivalent/10)^2/7 Equivalent Exposure of the Section

Kzequivalent = 1.478072444

GH*qzequivalent*AT = 17186.37

C = (Kzequivalent^0.50)*V*Dp

C = 28.64507602 > 8.7 Table 1

CF = 0.72 Input value as per Table 1


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ONSULTANTS


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on to its base


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FAST PLANETS ENGINEERING DESIGN C

Project Name:


ANALYSIS OF MONOPOLESECTION 2

Analysis Criteria:






SECTION PROPERTIES






CALCULATIONS


y1 = 2.707507 m

y2 = [(2DM + DB)/3(DM + DB)]*(L/2) Center of A2 of Section from base

y2 = 2.712881 m

A1 = (DT + DM)*(L/2)/2


A2 = (DM + DB)*(L/2)/2


z1 = h + L/2 + y1 Distance of center of A1 to base of sectionz1 = 31.02251 m


z2 = 25.50288 m


Kz1 = 1.381901 1 < Kz < 2.58


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Kz2 = 1.306672 1 < Kz < 2.58



qz1 = 1287.607


qz2 = 1217.679

F1= GH*qz1*A1

F1 = 9461.872 N

F1 = 9.461872 kN

F2= GH*qz2*A2

F2 = 10022.46 N

F2 = 10.02246 kN

F1*z1 = 293.531 kN-m

F2*z2 = 255.6015 kN-m

z equivalent (F1*z1 + F2*z2)/(F1+ F2) Equivalent Distance of the center of the Secti

z equivalent 28.18329 m

qzequivalent (F1 + F2)/(1.69*(A1 + A2) Equivalent Velocity Pressure of Section

qzequivalent 1250.663 kPa

Kzequivalent (zequivalent/10)^2/7 Equivalent Exposure of the Section

Kzequivalent 1.34452



C = 26.61903 > 8.7 Table 1



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ONSULTANTS


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Project Name:



Analysis Criteria:






SECTION PROPERTIES






CALCULATIONS


y1 = 2.644266 m


y2 = 2.649289 m

A1 = (DT + DM)*(L/2)/2


A2 = (DM + DB)*(L/2)/2




z2 = 14.68929 m


Kz1 = 1.220041 1 < Kz < 2.58


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Kz2 = 1.116127 1 < Kz < 2.58



qz1 = 1137.495


qz2 = 1040.647

F1= GH*qz1*A1

F1 = 9955.576 N

F1 = 9.955576 kN

F2= GH*qz2*A2

F2 = 9972.892 N

F2 = 9.972892 kN

F1*z1 = 199.7016 kN-m

F2*z2 = 146.4947 kN-m









C = 19.90435 > 8.7 Table 1



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ONSULTANTS


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Project Name:



Analysis Criteria:






SECTION PROPERTIES

h = 0 m Section base elevation





CALCULATIONS


y1 = 2.917875 m


y2 = 2.921574 m

A1 = (DT + DM)*(L/2)/2


A2 = (DM + DB)*(L/2)/2




z2 = 2.921574 m


Kz1 = 0.965475 1 < Kz < 2.58


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Kz1 = 1 Input Value


Kz2 = 0.703593 1 < Kz < 2.58

Kz2 = 1 Input Value


qz1 = 932.373


qz2 = 932.373

F1= GH*qz1*A1

F1 = 10433.07 N

F1 = 10.43307 kN

F2= GH*qz2*A2

F2 = 11376.02 N

F2 = 11.37602 kN

F1*z1 = 92.25836 kN-m

F2*z2 = 33.23588 kN-m









C = 38.45403 > 8.7 Table 1



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Project Name:



Analysis Criteria:


H = 25 m Height of Monopole




SECTION PROPERTIES

h = 0 m Section base elevation

L = 0 m Length of section

DB = 0 m Bottom Diameter of Section

DM = 0 m Midpoint Diameter of Section

DT = 0 m Top Diameter of Section

CALCULATIONS


y1 = 0 m


y2 = 0 m

A1 = (DT + DM)*(L/2)/2

A1 = 0 sqm Area of Top Section

A2 = (DM + DB)*(L/2)/2

A2 = 0 sqm Area of Bottom Section

z1 = h + L/2 + y1 Distance of center of A1 to base of section

z1 = 0 m


z2 = 0 m


Kz1 = 0


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Kz2 = 0


qz1 = 0


qz2 = 0

F1= GH*qz1*A1

F1 = 0 N

F1 = 0 kN

F2= GH*qz2*A2

F2 = 0 N

F2 = 0 kN

F1*z1 = 0 kN-m

F2*z2 = 0 kN-m


z equivalent #DIV/0! m


qzequivalent #DIV/0! kPa


Kzequivalent #DIV/0!

GH*qzequivalent*AT = #DIV/0!


C = #DIV/0! > 8.7 Table 1



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Project Name:



Analysis Criteria:






SECTION PROPERTIES

h = m Section base elevation

L = m Length of section

DB = m Bottom Diameter of Section

DM = m Midpoint Diameter of Section

DT = m Top Diameter of Section

CALCULATIONS


y1 = 0 m


y2 = 0 m

A1 = (DT + DM)*(L/2)/2

A1 = 0 sqm Area of Top Section

A2 = (DM + DB)*(L/2)/2

A2 = 0 sqm Area of Bottom Section

z1 = h + L/2 + y1 Distance of center of A1 to base of sectionz1 = 0 m


z2 = 0 m


Kz1 = 0


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Kz2 = 0


qz1 = 0

qz2 = 0.613*Kz2*v^2 Velocity Pressure at A2qz2 = 0

F1= GH*qz1*A1

F1 = 0 N

F1 = 0 kN

F2= GH*qz2*A2

F2 = 0 N

F2 = 0 kN

F1*z1 = 0 kN-m

F2*z2 = 0 kN-m


z equivalent #DIV/0! m


qzequivalent #DIV/0! kPa

Kzequivalent (zequivalent/10)^2/7 Equivalent Exposure of the SectionKzequivalent #DIV/0!

GH*qzequivalent*AT = #DIV/0!


C = #DIV/0! > 8.7 Table 1



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FAST PLANETS ENGINEERING DESIG

Project Name:


ANALYSIS OF MONOPOLE

Analysis Criteria:





Qualifying Criteria for Force Coefficient, CF for Cantilevered Tubular pole Structures as per Se

C = iz^0.50)*V*Dp

C = 0 > 8.7 Table 1


F = qz*GH*CF*AR

OTM = F*zequivalent

SUMMARY

SECTION AG AR GH*qZ*AG F zequivalent OTM

1 7.3884 7.61005 17186.373 12.7454 39.2594247 500.378

2 9.2184625 9.49502 19484.32864 14.4496 28.1832913 407.237

3 10.849438 11.1749 19928.46839 14.779 17.3719445 256.739

4 13.8408 14.256 21809.09209 16.1736 5.75421661 93.0665

5 0 0 0 0 0 0

6 0 0 0 0 0 0


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CONSULTANTS

ction 2.3.5.2

25.0 m monopole comparative study

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