MODELING AND DESIGNING STRUCTURE USING ETABS 9.7.ppt

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EngCastle Tutorials and Presentations

Prepared by: Eng. Ismail Hussanein

Email:

[email protected]

Web:

www.engcastle.com

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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

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Story

Load

Loc

P

VX

VY

T

MX

MY

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

new scale factor =

-2.91

-2.79

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

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

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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

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Story Item Load Point X Y Z DriftX DriftY 0.7R delta

STORY10 Max Drift X U5 36 2.097 0.1 38 0.001243 0.003915 0 STORY10 Max Drift Y U5 35 24.9 0.1 38 0.000941 0 0.002964 STORY10 Max Drift X U8 36 2.097 0.1 38 0.001212 0.003818 0 STORY10 Max Drift Y U8 35 24.9 0.1 38 0.000939 0 0.002958 STORY9 Max Drift X U5 36 2.097 0.1 34.2 0.001278 0.004026 0 STORY9 Max Drift Y U5 35 24.9 0.1 34.2 0.001042 0 0.003282 STORY9 Max Drift X U8 36 2.097 0.1 34.2 0.001246 0.003925 0 STORY9 Max Drift Y U8 35 24.9 0.1 34.2 0.001041 0 0.003279 STORY8 Max Drift X U5 36 2.097 0.1 30.4 0.001292 0.00407 0 STORY8 Max Drift Y U5 35 24.9 0.1 30.4 0.001133 0 0.003569 STORY8 Max Drift X U8 36 2.097 0.1 30.4 0.001262 0.003975 0 STORY8 Max Drift Y U8 35 24.9 0.1 30.4 0.001131 0 0.003563 STORY7 Max Drift X U5 36 2.097 0.1 26.6 0.001283 0.004041 0 STORY7 Max Drift Y U5 35 24.9 0.1 26.6 0.001197 0 0.003771 STORY7 Max Drift X U8 36 2.097 0.1 26.6 0.001256 0.003956 0 STORY7 Max Drift Y U8 35 24.9 0.1 26.6 0.001196 0 0.003767 STORY6 Max Drift X U5 36 2.097 0.1 22.8 0.001248 0.003931 0 STORY6 Max Drift Y U5 35 24.9 0.1 22.8 0.001234 0 0.003887 STORY6 Max Drift X U8 36 2.097 0.1 22.8 0.001223 0.003852 0 STORY6 Max Drift Y U8 35 24.9 0.1 22.8 0.001233 0 0.003884

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STORY5 Max Drift X U5 36 2.097 0.1 19 0.00118 0.003717 0 STORY5 Max Drift Y U5 35 24.9 0.1 19 0.001242 0 0.003912 STORY5 Max Drift X U8 36 2.097 0.1 19 0.001158 0.003648 0 STORY5 Max Drift Y U8 35 24.9 0.1 19 0.001241 0 0.003909 STORY4 Max Drift X U5 36 2.097 0.1 15.2 0.001071 0.003374 0 STORY4 Max Drift Y U5 35 24.9 0.1 15.2 0.001215 0 0.003827 STORY4 Max Drift X U8 36 2.097 0.1 15.2 0.001053 0.003317 0 STORY4 Max Drift Y U8 35 24.9 0.1 15.2 0.001214 0 0.003824 STORY3 Max Drift X U5 36 2.097 0.1 11.4 0.000915 0.002882 0 STORY3 Max Drift Y U5 35 24.9 0.1 11.4 0.001136 0 0.003578 STORY3 Max Drift X U8 36 2.097 0.1 11.4 0.000901 0.002838 0 STORY3 Max Drift Y U8 35 24.9 0.1 11.4 0.001136 0 0.003578 STORY2 Max Drift X U5 36 2.097 0.1 7.6 0.000698 0.002199 0 STORY2 Max Drift Y U5 35 24.9 0.1 7.6 0.000957 0 0.003015 STORY2 Max Drift X U8 36 2.097 0.1 7.6 0.000689 0.00217 0 STORY2 Max Drift Y U8 35 24.9 0.1 7.6 0.000957 0 0.003015 STORY1 Max Drift X U5 43 24 1 3.8 0.000414 0.001304 0 STORY1 Max Drift Y U5 46 24 22 3.8 0.0006 0 0.00189 STORY1 Max Drift X U8 43 24 1 3.8 0.00041 0.001292 0 STORY1 Max Drift Y U8 46 24 22 3.8 0.0006 0 0.00189

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Story Diaphrag m Load UX UY STORY10 D1 WIND 0.0057 0 STORY10 D1 WIND-2 0 0.0071 STORY10 D1 WIND-3 0.0043 0 STORY10 D1 WIND-4 0.0042 0 STORY10 D1 WIND-5 0 0.0054 STORY10 D1 WIND-6 0 0.0054 STORY10 D1 WIND-7 0.0043 -0.0054 STORY10 D1 WIND-8 0.0043 0.0054 STORY10 D1 WIND-9 0.0032 -0.004 STORY10 D1 WIND-10 0.0032 -0.004 STORY10 D1 WIND-11 0.0032 0.004 STORY10 D1 WIND-12 0.0032 0.004 STORY9 D1 WIND 0.005 0 STORY9 D1 WIND-2 0 0.0066 STORY9 D1 WIND-3 0.0037 0 STORY9 D1 WIND-4 0.0037 0 STORY9 D1 WIND-5 0 0.0049 STORY9 D1 WIND-6 0 0.0049 STORY9 D1 WIND-7 0.0037 -0.0049 STORY9 D1 WIND-8 0.0037 0.0049 STORY9 D1 WIND-9 0.0028 -0.0037 STORY9 D1 WIND-10 0.0028 -0.0037 STORY9 D1 WIND-11 0.0028 0.0037 STORY9 D1 WIND-12 0.0028 0.0037 STORY8 D1 WIND 0.0043 0 STORY8 D1 WIND-2 0 0.0059 STORY8 D1 WIND-3 0.0032 0 STORY8 D1 WIND-4 0.0032 0 STORY8 D1 WIND-5 0 0.0045 STORY8 D1 WIND-6 0 0.0044 STORY8 D1 WIND-7 0.0032 -0.0044 STORY8 D1 WIND-8 0.0032 0.0044 STORY8 D1 WIND-9 0.0024 -0.0033 STORY8 D1 WIND-10 0.0024 -0.0033 STORY8 D1 WIND-11 0.0024 0.0033 STORY8 D1 WIND-12 0.0024 0.0033 STORY7 D1 WIND 0.0036 0 STORY7 D1 WIND-2 0 0.0052 STORY7 D1 WIND-3 0.0027 0 STORY7 D1 WIND-4 0.0027 0 STORY7 D1 WIND-5 0 0.0039 STORY7 D1 WIND-6 0 0.0039 STORY7 D1 WIND-7 0.0027 -0.0039 STORY7 D1 WIND-8 0.0027 0.0039 STORY7 D1 WIND-9 0.002 -0.0029 STORY7 D1 WIND-10 0.002 -0.003 STORY7 D1 WIND-11 0.002 0.003 STORY7 D1 WIND-12 0.002 0.0029 STORY6 D1 WIND 0.0029 0 STORY6 D1 WIND-2 0 0.0045 STORY6 D1 WIND-3 0.0022 0 STORY6 D1 WIND-4 0.0022 0 STORY6 D1 WIND-5 0 0.0033 STORY6 D1 WIND-6 0 0.0033

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STORY6 D1 WIND-7 0.0022 -0.0033 STORY6 D1 WIND-8 0.0022 0.0033 STORY6 D1 WIND-9 0.0016 -0.0025 STORY6 D1 WIND-10 0.0016 -0.0025 STORY6 D1 WIND-11 0.0016 0.0025 STORY6 D1 WIND-12 0.0016 0.0025 STORY5 D1 WIND 0.0022 0 STORY5 D1 WIND-2 0 0.0036 STORY5 D1 WIND-3 0.0017 0 STORY5 D1 WIND-4 0.0017 0 STORY5 D1 WIND-5 0 0.0027 STORY5 D1 WIND-6 0 0.0027 STORY5 D1 WIND-7 0.0017 -0.0027 STORY5 D1 WIND-8 0.0017 0.0027 STORY5 D1 WIND-9 0.0013 -0.002 STORY5 D1 WIND-10 0.0012 -0.0021 STORY5 D1 WIND-11 0.0013 0.0021 STORY5 D1 WIND-12 0.0012 0.002 STORY4 D1 WIND 0.0016 0 STORY4 D1 WIND-2 0 0.0028 STORY4 D1 WIND-3 0.0012 0 STORY4 D1 WIND-4 0.0012 0 STORY4 D1 WIND-5 0 0.0021 STORY4 D1 WIND-6 0 0.0021 STORY4 D1 WIND-7 0.0012 -0.0021 STORY4 D1 WIND-8 0.0012 0.0021 STORY4 D1 WIND-9 0.0009 -0.0016 STORY4 D1 WIND-10 0.0009 -0.0016 STORY4 D1 WIND-11 0.0009 0.0016 STORY4 D1 WIND-12 0.0009 0.0016 STORY3 D1 WIND 0.001 0 STORY3 D1 WIND-2 0 0.0019 STORY3 D1 WIND-3 0.0008 0 STORY3 D1 WIND-4 0.0008 0 STORY3 D1 WIND-5 0 0.0014 STORY3 D1 WIND-6 0 0.0014 STORY3 D1 WIND-7 0.0008 -0.0014 STORY3 D1 WIND-8 0.0008 0.0014 STORY3 D1 WIND-9 0.0006 -0.0011 STORY3 D1 WIND-10 0.0006 -0.0011 STORY3 D1 WIND-11 0.0006 0.0011 STORY3 D1 WIND-12 0.0006 0.0011 STORY2 D1 WIND 0.0005 0 STORY2 D1 WIND-2 0 0.0011 STORY2 D1 WIND-3 0.0004 0 STORY2 D1 WIND-4 0.0004 0 STORY2 D1 WIND-5 0 0.0008 STORY2 D1 WIND-6 0 0.0008 STORY2 D1 WIND-7 0.0004 -0.0008 STORY2 D1 WIND-8 0.0004 0.0008 STORY2 D1 WIND-9 0.0003 -0.0006 STORY2 D1 WIND-10 0.0003 -0.0006 STORY2 D1 WIND-11 0.0003 0.0006 STORY2 D1 WIND-12 0.0003 0.0006 STORY1 D1 WIND 0.0002 0 STORY1 D1 WIND-2 0 0.0004

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Displacement limit = H / (600 to 400)

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

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