Section Modulus Calculation

C-Section Modulus Calculation60-TK-001A

Wind Girder (TOP)Inspection Date : August 31, 2013Equipment Identification : 60-TK-001AEquipment Type :

Pressure Vessel Storage Tank Piping Component

INPUT DATA

Tag : 60-TK-001AComponent : Wind Girder/Stiffener RingMaterial : A-36Nominal Tank Diameter, (D) : 291 ft

: 52 ftAs-Built Thickness (t) : 0.438 inWind Velocity (V) : 100 mph

: 1.175 in: 1 in: 0.713 in: 0.515 in: 0.438 in: 0.438 in

Width of each Course,(W) : 8.625 ftSection Details

= 2 1/2 in = 1/4 in= 1/4 in = 6 in= 37 in = 1/4 in= 4/9 in = 7 in= 4/9 in = 1/4 in= 4/9 in = 7 in

Height of Tank Shell (H2)

Shell Thickness 1st Shell Course (t1)Shell Thickness 2nd Shell Course (t2)Shell Thickness 3rd Shell Course (t3)Shell Thickness 4th Shell Course (t4)Shell Thickness 5th Shell Course (t5)Shell Thickness 6th Shell Course (t6)

b1 H1b2 H2b3 H3b4 H4b5 H5b6 H6




Calculating Centroid of the Section

= 1 6/7 inch

= 23 2/7 inch

Calculating Moment Of Inertia

= 90.103 =

Calculating Section Modulus

Z = 148 6/7

Ix in2 Iy

in4

piece

piecepiece

AyA

y

piece

piecepiece

AyA

x

piecet AdII )( 2

xIZ y


Wind Girder (TOP)

x Tank Component

INPUT DATA

Wind Girder/Stiffener Ring

Section Details


Wind Girder (TOP)

x Tank Component

3464.351 in2


Wind Girder (TOP)

x Tank Component


Wind Girder Inspection-2013 (TOP)Inspection Date : August 31, 2013Equipment Identification : 60-TK-001AEquipment Type :


INPUT DATA



: 1.175 in: 1 in: 0.713 in: 0.515 in: 0.438 in: 0.438 in


= 2 1/2 in = 5/9 in= 5/9 in = 6 in= 37 in = 5/9 in= 4/9 in = 7 in= 4/9 in = 5/9 in= 4/9 in = 7 in








= 1 3/5 inch

= 19 7/9 inch


= 147.731 =


Z = 298

Ix in2 Iy

in4

piece

piecepiece

AyA

y

piece

piecepiece

AyA

x

piecet AdII )( 2

xIZ y


Wind Girder Inspection-2013 (TOP)

x Tank Component

INPUT DATA


Section Details



x Tank Component

5893.177 in2



x Tank Component


Wind Girder (Intermediate)Inspection Date : August 31, 2013Equipment Identification : 60-TK-001AEquipment Type :


INPUT DATA



: 1.175 in: 1 in: 0.713 in: 0.515 in: 0.438 in: 0.438 in


= 2 1/4 in = 1/4 in= 1/4 in = 6 in= 27 1/8 in = 1/4 in= 4/9 in = 7 in= 4/9 in = 1/4 in= 4/9 in = 7 in








= 2 1/9 inch

= 17 1/2 inch


= 83.331 =


Z = 99 1/8

Ix in2 Iy

in4

piece

piecepiece

AyA

y

piece

piecepiece

AyA

x

piecet AdII )( 2

xIZ y


Wind Girder (Intermediate)

x Tank Component

INPUT DATA


Section Details



x Tank Component

1734.138 in2



x Tank Component


Wind Girder Inspection-2013 (Intermediate)Inspection Date : August 31, 2013Equipment Identification : 60-TK-001AEquipment Type :


INPUT DATA



: 1.175 in: 1 in: 0.713 in: 0.515 in: 0.438 in: 0.438 in


= 2 1/4 in = 1/4 in= 1/4 in = 6 in= 27 1/8 in = 1/4 in= 4/9 in = 7 in= 4/9 in = 1/4 in= 4/9 in = 7 in








= 2 1/9 inch

= 17 1/4 inch


= 86.325 =


Z = 104 6/7

Ix in2 Iy

in4

piece

piecepiece

AyA

y

piece

piecepiece

AyA

x

piecet AdII )( 2

xIZ y


Wind Girder Inspection-2013 (Intermediate)

x Tank Component

INPUT DATA


Section Details



x Tank Component

1807.714 in2



x Tank Component

Wind Girder (TOP)Wind Girder Insp. 2013 (TOP)Wind Girder (Intermediate)Wind Girder Insp. 2013 (Inter)

Documents

Section Modulus Calculation