7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 1/11

 ASCE 7

Cf

V

I

Kzt

h

α

Zg

c

l

ε

a

b

g

Kz 2.01*(

qz 0.613*

WP qz*G*C

z-

Iz

Lz

Q2

VzN1

Rn

nh

Rh

nb

Rb

nd

Rd

R2

G

Height, Z Kz qz WP: Operating WP: Empty

(m) (kPa) (kPa) (kPa)

1.21928 0.3940 0.9459 0.7177 0.7163

3.65785 0.5392 1.2947 0.9823 0.9804

8.53465 0.6869 1.6494 1.2514 1.2490

10972.99 5.3117 12.7539 9.6763 9.6578

13411.42 5.6251 13.5065 10.2473 10.2277

15849.85 5.9001 14.1668 10.7482 10.7277

18288.11 6.1463 14.7580 11.1968 11.1754

20726.51 6.3701 15.2953 11.6044 11.5823

23165.05 6.5758 15.7892 11.9791 11.9563

25603 6 6 7666 16 2472 12 3266 12 3031

Vessel Characteristics

Vessel height

Vessel Minimum Diameter, b

Operating, Corroded

Empty, Corroded

Fundamental Frequency, n1

Vaccum, Corroded

Operating, Corroded

Empty, Corroded

Vaccum, Corroded

Damping coefficient, β

Operating, Corroded

Building Code

Elevation of base above grade

Increase effective outer diameter by

Wind Force Coefficient

Basic Wind Speed

Importance Factor

Exposure CategoryTopographic Factor

Table Lookup Values

Empty, Corroded

WIND PRESSURE (WP) CALCULATIONS

Gust Factor (G-) Calculations : Operating, Corroded

Design Wind Pressure

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 2/11

Calculations: Empty, Corroded

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 3/11

Exposure

A

B

C

D

Exp

A

B

C

D

Zmin =

ft

1

2

2

3

4

4

7

8

10

Building

is one

congreg

Schools

jails,

Force C

Building

hazard

Imp

Essenti

All bui

Structur

I

II

III

IV

He

Building

quantit

dangerou

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 4/11

Category I

Category II

Category III

Category III

Category III

Category IV

ε Zmin (ft) α Zg

0.50000 60.00000

0.33333 30.00000 7.00000 #########

0.20000 15.00000 9.50000 900.00000

0.12500 7.00000 ####### 700.00000

equivalent height Z is the greater of 0.6h or Zmin

B C D

0.5 0.85 1.03

0.5 0.85 1.03

0.62 0.9 1.08

0.66 0.94 1.12

0.7 0.98 1.16

0.76 1.04 1.22

0.81 1.09 1.27

0.85 1.13 1.31

0.89 1.17 1.34

0.93 1.21 1.38

0.96 1.24 1.4

0.99 1.26 1.43

t (9.1 m)

ly

; applicable for

ne of 1500 ft or 10

with numerous

size of single

cy

ut-

es

Exposure Categories

fficients, Kz

ent

 

IES

s

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 5/11

Nominal Composition Product Form Spec. No. Type/Grade Alloy Desig/UNS No.

Carbon steel Sheet SA-1008 CS-A

Carbon Steel Sheet SA-1008 CS-B

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 6/11

Class/Cond./Temper Size/Thickness P-No. Group No. Min Tensile Strength Min Yield Strength

1 1 40 20

1 1 40 20

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 7/11

VIII-1 Temp. Limit External Pressure Chart No. Notes Addenda Density Page No. Line No.

650 CS-6 1A 0.283 0.283 6 1

650

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 8/11

-20 to 100 150 200 250 300 350 400 450 500

11.4 11.4 11.4 11.4 11.4 10.9

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 9/11

550 600 650 700 750 800 850 900 950

10.2 9.9

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 10/11

1000 1050 1100 1150 1200 1250 1300 1350 1400

7/29/2019 AISC 7-95.xls

http://slidepdf.com/reader/full/aisc-7-95xls 11/11

1450 1500 1550 1600 1650 1700 1750 1800