EngCastle Tutorials and Presentations
Modeling and Design of Structures Using ETABS v9.7
Prepared by: Eng. Ismail Hussanein Email:
[email protected] 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
