YieldZone - Wind Loads On Light Poles - AASHTO - Beta 1.0
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Page:1Fixes To Do:
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ENTER PROJECT NAME HERE
Job Num:
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Date:2
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Engineer:
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Code Cycle: LRFDLTS-1
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WIND LOADS ON LIGHT POLES - AASHTO (LRFD)
Rev: Beta 1.0 - 06/20/16
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Location:
XXKd
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Support TypeDirectional Factor
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Risk Category:
Typical
(AASHTO Table 3.8.1)
1-High Mast & Pole - Round0.95
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Basic Wind Speed:
130
(AASHTO Fig 3.8-xx)(LRFD)(Equivalent to 100 mph ASD - Per Spec)
2-High Mast & Pole - Square0.9
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Type:1-High Mast & Pole - Round3-High Mast & Pole - Octogonal0.95
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Supporting Member Type1:
1-Cylindrical
4-High Mast & Pole - Dodecagonal
0.95
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Supporting Member Type 2:
0-None
5-High Mast & Pole - Hexdecagonal
0.95
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Sign / Luminare Type:
8-Luminars with rectangle flat shapes6-Traffic Signal0.85
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7-Dynamic Message Sign0.85
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Wind Pressure On Sign / Luminar
8-Overhead Frame Truss0.85
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9-Support with Horiz Arm With Sign
0.85
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Kz = [2.0(z)/(Zg)]^(2/a):
0.98
(AASHTO 3.8.4)
Z = ht abv ground:
30.00ft
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Kd:0.95
(AASHTO 3.8.5)
Zg:900ft
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G:1.14
(AASHTO 3.8.6)
a9.5
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Cd:1.20
(AASHTO 3.8.6)
Sign / Support TypeWind Drag Coeff
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Note: If using EPA for wind area then Cd should be set to one as this is already in the given area
1-Sign Panel - L/W = 1.01.12
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2-Sign Panel - L/W = 2.01.19
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Pz = (0.00256)(Kz)(Kd)(G)(V^2)(Cd):
54.95
psf (AASHTO 3.8.1-1)(Strength)
3-Sign Panel - L/W = 5.01.2
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4-Sign Panel - L/W = 10.01.23
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Wind Pressure On Supporting Member Type 1
1-Cylindrical
5-Sign Panel - L/W = 12.01.3
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6-Traffic Signal1.2
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Kz = [2.0(z)/(Zg)]^(2/a):
1.03
(AASHTO 3.8.4)
Z = ht abv ground:
30.00ft
7-Luminars with rounded surfaces
0.5
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Kd:0.95
(AASHTO 3.8.5)
Zg:700ft
8-Luminars with rectangle flat shapes
1.2
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G:1.14
(AASHTO 3.8.6)
a9.59-Dynamic Message Signs1.7
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Cd:1.10
(AASHTO 3.8.6)
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Note: If using EPA for wind area then Cd should be set to one as this is already in the given area
Supporting Member Type
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0-None0
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Pz = (0.00256)(Kz)(Kd)(G)(V^2)(Cd):
53.11
psf (AASHTO 3.8.1-1)(Strength)
1-Cylindrical1.1
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2-Flat1.7
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Wind Pressure On Supporting Member Type 2
0-None3-Hexdecagonal 16 sides1.1
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4-Hexdecagonal 16 sides1.1
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Kz = [2.0(z)/(Zg)]^(2/a):
0.95
(AASHTO 3.8.4)
Z = ht abv ground:
26.50ft5-Dodecagonal 12-sides1.2
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Kd:0.95
(AASHTO 3.8.5)
Zg:900ft6-Octagonal 8-sides1.2
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G:1.14
(AASHTO 3.8.6)
a9.57-Square rs<0.1252
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Cd:0.00
(AASHTO 3.8.6)
8-Square rs>0.1251.25
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Note: If using EPA for wind area then Cd should be set to one as this is already in the given area
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Pz = (0.00256)(Kz)(Kd)(G)(V^2)(Cd):
0.00
psf (AASHTO 3.8.1-1)(Strength)
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