Design Calculations for Anchor Bolt

Post on 14-Apr-2015

262 views 3 download

description

How to design anchor bolts for Tanks with legs or skirt

Transcript of Design Calculations for Anchor Bolt

LATER

InputsBolt Area Bolt Size

Wind Load (From PVElite) P 3000.00 lbs in2

in

Height of Vessel with Skirt H 18.00 ft 0.126 0.500

Moment M 54,000.00 lbs-ft 0.202 0.625

Weight of Vessel W 90388.00 lbs 0.302 0.750

Bolt Circle 84.00 in 0.419 0.875

Area within Bolt Circle AB 5,538.96 in2

0.551 1.000

Circumference of Bolt Circle CB 264 in 0.693 1.125

Maximum Tension T -225.70 lb/in 0.89 1.250

Allow. Stress Value of Bolt Mat. SB 15,000.00 psi 1.054 1.375

No. of Anchor Bolts N 8.00 1.294 1.500

Req.Area of one Bolt BA -0.50 in2

1.515 1.625

Dia of Bolt from Table against Root Area d 0.63 in 1.744 1.750

Induced Stress in Anchor Bolts S -24,267.36 psi 2.049 1.875

ANCHOR BOLT DESIGN

Table

BB C

W

A

MT −=12

NS

TCB

B

BA =

NB

TCS

A

BB =

Induced Stress in Anchor Bolts Sind -24,267.36 psi 2.049 1.875

Corrosion Allowance for Bolt CA 0.13 in 2.3 2.000

3.02 2.250

Formulas Used 3.715 2.500

4.618 2.750

i Maximum Tension ( lb/in ) 5.621 3.000

ii Req. Area of One Bolt ( Sq.in )

iii Stress in Anchor Bolt ( psi )

Resuslt:

Required Diameter of Anchor Bolt 0.00 in

Required Diameter of Anchor Bolt 0.00 mm

BB C

W

A

MT −=12

NS

TCB

B

BA =

NB

TCS

A

BB =