MODELING AND DESIGNING STRUCTURE USING ETABS 9.7.ppt

EngCastle Tutorials and Presentations

Modeling and Design of Structures Using ETABS v9.7

Prepared by: Eng. Ismail Hussanein Email: IsmailH@engcastle.com Web: www.engcastle.com

This presentation will show the steps necessary to model and design a structure using ETABS v9.7 • The example consists of a building of 10 typical floors Standards • ACI 318-08: Analysis and design standards • UBC 97: Seismic loading • ASCE7-05: Wind loading

Modeling and Analysis Stage

Story

Load

Loc

STORY1

EXP

Bottom

0

-3464.39

0

43310.73

-0.042

-91270.7

STORY1

EYP

Bottom

0

0

-2976.86

-43424.5

80516.44

-0.146

STORY1

EXM

Bottom

0

-3464.39

0

36084.06

0.045

-91271

STORY1

EYM

Bottom

0

0

-2976.86

-37184.7

80516.37

0.146

STORY1

SRSS MAX

Bottom

0

2591.34

2323.23

48227.15

60124.46

68441.02

STORY1

SRSS MIN

Bottom

0

-2591.34

-2323.23

-48227.1

-60124.5

-68441

-2.91

-2.79

new scale factor =

P

VX

VY

T

Scale factor X = Vx (static) / Vx (dynamic) * (start scale factor = 2.18) Scale factor Y = Vy (static) / Vy (dynamic) * (start scale factor = 2.18)

MX

MY

• • • • • •

Create the Ultimate load combinations (ACI318-08) U1 = 1.4 D U2 = 1.2 D + 1.6 L U3 = 1.2 D + 0.5 L + 1.0 Lm ± 1.6 w U4 = 1.29 D + 0.5 L + 1.0 Lm ± 1.0E U5 = 0.9 D ± 1.6 W U6 = 0.81 D ± E

Story

Item

Load

Point

X

Y

Z

DriftX

STORY10

Max Drift X

U5

36

2.097

0.1

38

STORY10

Max Drift Y

U5

35

24.9

0.1

38

STORY10

Max Drift X

U8

36

2.097

0.1

38

STORY10

Max Drift Y

U8

35

24.9

0.1

38

STORY9

Max Drift X

U5

36

2.097

0.1

34.2

STORY9

Max Drift Y

U5

35

24.9

0.1

34.2

STORY9

Max Drift X

U8

36

2.097

0.1

34.2

STORY9

Max Drift Y

U8

35

24.9

0.1

34.2

STORY8

Max Drift X

U5

36

2.097

0.1

30.4

STORY8

Max Drift Y

U5

35

24.9

0.1

30.4

STORY8

Max Drift X

U8

36

2.097

0.1

30.4

STORY8

Max Drift Y

U8

35

24.9

0.1

30.4

STORY7

Max Drift X

U5

36

2.097

0.1

26.6

STORY7

Max Drift Y

U5

35

24.9

0.1

26.6

STORY7

Max Drift X

U8

36

2.097

0.1

26.6

STORY7

Max Drift Y

U8

35

24.9

0.1

26.6

STORY6

Max Drift X

U5

36

2.097

0.1

22.8

STORY6

Max Drift Y

U5

35

24.9

0.1

22.8

STORY6

Max Drift X

U8

36

2.097

0.1

22.8

STORY6

Max Drift Y

U8

35

24.9

0.1

22.8

DriftY

0.001243 0.000941 0.001212 0.000939

0.001278 0.001042 0.001246 0.001041 0.001292 0.001133

0.001262 0.001131 0.001283 0.001197 0.001256 0.001196

0.001248 0.001234 0.001223 0.001233

0.7R delta 0.003915

0

0

0.002964

0.003818

0

0

0.002958

0.004026

0

0

0.003282

0.003925

0

0

0.003279

0.00407

0

0

0.003569

0.003975

0

0

0.003563

0.004041

0

0

0.003771

0.003956

0

0

0.003767

0.003931

0

0

0.003887

0.003852

0

0

0.003884

STORY5

Max Drift X

U5

36

2.097

0.1

19

STORY5

Max Drift Y

U5

35

24.9

0.1

19

STORY5

Max Drift X

U8

36

2.097

0.1

19

STORY5

Max Drift Y

U8

35

24.9

0.1

19

STORY4

Max Drift X

U5

36

2.097

0.1

15.2

STORY4

Max Drift Y

U5

35

24.9

0.1

15.2

STORY4

Max Drift X

U8

36

2.097

0.1

15.2

STORY4

Max Drift Y

U8

35

24.9

0.1

15.2

STORY3

Max Drift X

U5

36

2.097

0.1

11.4

STORY3

Max Drift Y

U5

35

24.9

0.1

11.4

STORY3

Max Drift X

U8

36

2.097

0.1

11.4

STORY3

Max Drift Y

U8

35

24.9

0.1

11.4

STORY2

Max Drift X

U5

36

2.097

0.1

7.6

STORY2

Max Drift Y

U5

35

24.9

0.1

7.6

STORY2

Max Drift X

U8

36

2.097

0.1

7.6

STORY2

Max Drift Y

U8

35

24.9

0.1

7.6

STORY1

Max Drift X

U5

43

24

1

3.8

STORY1

Max Drift Y

U5

46

24

22

3.8

STORY1

Max Drift X

U8

43

24

1

3.8

STORY1

Max Drift Y

U8

46

24

22

3.8

0.00118

0.001242 0.001158 0.001241 0.001071 0.001215 0.001053

0.001214 0.000915 0.001136 0.000901 0.001136 0.000698

0.000957 0.000689 0.000957 0.000414 0.0006 0.00041

0.0006

Story drift limit = 0.02

0.003717

0

0

0.003912

0.003648

0

0

0.003909

0.003374

0

0

0.003827

0.003317

0

0

0.003824

0.002882

0

0

0.003578

0.002838

0

0

0.003578

0.002199

0

0

0.003015

0.00217

0

0

0.003015

0.001304

0

0

0.00189

0.001292

0

0

0.00189

Story

Diaphrag m

Load

STORY10

D1

WIND

STORY10

D1

STORY10

UX

UY

STORY8

D1

WIND-3

0.0032

0

STORY8

D1

WIND-4

0.0032

0

0.0057

0

STORY8

D1

WIND-5

0

0.0045

WIND-2

0

0.0071

STORY8

D1

WIND-6

0

0.0044

D1

WIND-3

0.0043

0

STORY8

D1

WIND-7

0.0032

-0.0044

STORY10

D1

WIND-4

0.0042

0

STORY8

D1

WIND-8

0.0032

0.0044

STORY10

D1

WIND-5

0

0.0054

STORY8

D1

WIND-9

0.0024

-0.0033

STORY10

D1

WIND-6

0

0.0054

STORY8

D1

WIND-10

0.0024

-0.0033

STORY10

D1

WIND-7

0.0043

-0.0054

STORY8

D1

WIND-11

0.0024

0.0033

STORY10

D1

WIND-8

0.0043

0.0054

STORY8

D1

WIND-12

0.0024

0.0033

STORY10

D1

WIND-9

0.0032

-0.004

STORY7

D1

WIND

0.0036

0

STORY10

D1

WIND-10

0.0032

-0.004

STORY7

D1

WIND-2

0

0.0052

STORY10

D1

WIND-11

0.0032

0.004

STORY7

D1

WIND-3

0.0027

0

STORY10

D1

WIND-12

0.0032

0.004

STORY7

D1

WIND-4

0.0027

0

STORY9

D1

WIND

0.005

0

STORY7

D1

WIND-5

0

0.0039

STORY9

D1

WIND-2

0

0.0066

STORY7

D1

WIND-6

0

0.0039

STORY9

D1

WIND-3

0.0037

0

STORY7

D1

WIND-7

0.0027

-0.0039

STORY9

D1

WIND-4

0.0037

0

STORY7

D1

WIND-8

0.0027

0.0039

STORY9

D1

WIND-5

0

0.0049

STORY7

D1

WIND-9

0.002

-0.0029

STORY9

D1

WIND-6

0

0.0049

STORY7

D1

WIND-10

0.002

-0.003

STORY9

D1

WIND-7

0.0037

-0.0049

STORY7

D1

WIND-11

0.002

0.003

STORY9

D1

WIND-8

0.0037

0.0049

STORY7

D1

WIND-12

0.002

0.0029

STORY9

D1

WIND-9

0.0028

-0.0037

STORY6

D1

WIND

0.0029

0

STORY9

D1

WIND-10

0.0028

-0.0037

STORY6

D1

WIND-2

0

0.0045

STORY9

D1

WIND-11

0.0028

0.0037

STORY6

D1

WIND-3

0.0022

0

STORY9

D1

WIND-12

0.0028

0.0037

STORY6

D1

WIND-4

0.0022

0

STORY8

D1

WIND

0.0043

0

STORY6

D1

WIND-5

0

0.0033

STORY8

D1

WIND-2

0

0.0059

STORY6

D1

WIND-6

0

0.0033

STORY6

D1

WIND-7

0.0022

-0.0033

STORY4

D1

WIND-11

0.0009

0.0016

STORY6

D1

WIND-8

0.0022

0.0033

STORY4

D1

WIND-12

0.0009

0.0016

STORY6

D1

WIND-9

0.0016

-0.0025

STORY3

D1

WIND

0.001

0

STORY6

D1

WIND-10

0.0016

-0.0025

STORY3

D1

WIND-2

0

0.0019

STORY6

D1

WIND-11

0.0016

0.0025

STORY3

D1

WIND-3

0.0008

0

STORY6

D1

WIND-12

0.0016

0.0025

STORY3

D1

WIND-4

0.0008

0

STORY5

D1

WIND

0.0022

0

STORY3

D1

WIND-5

0

0.0014

STORY5

D1

WIND-2

0

0.0036

STORY3

D1

WIND-6

0

0.0014

STORY5

D1

WIND-3

0.0017

0

STORY3

D1

WIND-7

0.0008

-0.0014

STORY5

D1

WIND-4

0.0017

0

STORY3

D1

WIND-8

0.0008

0.0014

STORY5

D1

WIND-5

0

0.0027

STORY3

D1

WIND-9

0.0006

-0.0011

STORY5

D1

WIND-6

0

0.0027

STORY3

D1

WIND-10

0.0006

-0.0011

STORY5

D1

WIND-7

0.0017

-0.0027

STORY3

D1

WIND-11

0.0006

0.0011

STORY5

D1

WIND-8

0.0017

0.0027

STORY3

D1

WIND-12

0.0006

0.0011

STORY5

D1

WIND-9

0.0013

-0.002

STORY2

D1

WIND

0.0005

0

STORY5

D1

WIND-10

0.0012

-0.0021

STORY2

D1

WIND-2

0

0.0011

STORY5

D1

WIND-11

0.0013

0.0021

STORY2

D1

WIND-3

0.0004

0

STORY5

D1

WIND-12

0.0012

0.002

STORY2

D1

WIND-4

0.0004

0

STORY4

D1

WIND

0.0016

0

STORY2

D1

WIND-5

0

0.0008

STORY4

D1

WIND-2

0

0.0028

STORY2

D1

WIND-6

0

0.0008

STORY4

D1

WIND-3

0.0012

0

STORY2

D1

WIND-7

0.0004

-0.0008

STORY4

D1

WIND-4

0.0012

0

STORY2

D1

WIND-8

0.0004

0.0008

STORY4

D1

WIND-5

0

0.0021

STORY2

D1

WIND-9

0.0003

-0.0006

STORY4

D1

WIND-6

0

0.0021

STORY2

D1

WIND-10

0.0003

-0.0006

STORY4

D1

WIND-7

0.0012

-0.0021

STORY2

D1

WIND-11

0.0003

0.0006

STORY4

D1

WIND-8

0.0012

0.0021

STORY2

D1

WIND-12

0.0003

0.0006

STORY4

D1

WIND-9

0.0009

-0.0016

STORY1

D1

WIND

0.0002

0

STORY4

D1

WIND-10

0.0009

-0.0016

STORY1

D1

WIND-2

0

0.0004

STORY1

D1

WIND-3

0.0001

0

STORY1

D1

WIND-4

0.0001

0

STORY1

D1

WIND-5

0

0.0003

STORY1

D1

WIND-6

0

0.0003

STORY1

D1

WIND-7

0.0001

-0.0003

STORY1

D1

WIND-8

0.0001

0.0003

STORY1

D1

WIND-9

0.0001

-0.0002

STORY1

D1

WIND-10

0.0001

-0.0002

STORY1

D1

WIND-11

0.0001

0.0002

STORY1

D1

WIND-12

0.0001

0.0002

Displacement limit = H / (600 to 400)

Design stage

The End