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The Design of Tall Buildings
ETABS Tutorial 2
Define the Static Load Cases
Create the Wind Load Cases
Create Rigid Diaphragms • Select all, then assign shell rigid diaphragm.
ASCE 7-98 Code Combinations Case # 1 1 2 3 4
X 1 -1
Y
MY
1 -1
1 2 3 4 5 6 7 8
0.875 0.875 -0.875 -0.875
3
1 2 3 4
0.75 -0.75 0.75 -0.75
0.75 0.75 -0.75 -0.75
4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0.655 0.655 0.655 0.655 0.655 0.655 0.655 0.655 -0.655 -0.655 -0.655 -0.655 -0.655 -0.655 -0.655 -0.655
0.655 0.655 0.655 0.655 -0.655 -0.655 -0.655 -0.655 0.655 0.655 0.655 0.655 -0.655 -0.655 -0.655 -0.655
2
MX
0.25 -0.25 0.25 -0.25 0.875 0.875 -0.875 -0.875
0.25 -0.25 0.25 -0.25
0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19
0.19 0.19 -0.19 -0.19 0.19 0.19 -0.19 -0.19 0.19 0.19 -0.19 -0.19 0.19 0.19 -0.19 -0.19
• 1.2DL + 1.6LL • 1.2DL + 0.8W • 1.2DL + 1.6W + 0.5L
ASCE 7-02 Code Combinations • • •
1.2DL + 1.6LL 1.2DL + 0.8W 1.2DL + 1.6W + 0.5L
Apply Loading to Diaphragm
ETABS Tutorial 2
Define the Static Load Cases
Create the Wind Load Cases
Create Rigid Diaphragms • Select all, then assign shell rigid diaphragm.
ASCE 7-98 Code Combinations Case # 1 1 2 3 4
X 1 -1
Y
MY
1 -1
1 2 3 4 5 6 7 8
0.875 0.875 -0.875 -0.875
3
1 2 3 4
0.75 -0.75 0.75 -0.75
0.75 0.75 -0.75 -0.75
4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0.655 0.655 0.655 0.655 0.655 0.655 0.655 0.655 -0.655 -0.655 -0.655 -0.655 -0.655 -0.655 -0.655 -0.655
0.655 0.655 0.655 0.655 -0.655 -0.655 -0.655 -0.655 0.655 0.655 0.655 0.655 -0.655 -0.655 -0.655 -0.655
2
MX
0.25 -0.25 0.25 -0.25 0.875 0.875 -0.875 -0.875
0.25 -0.25 0.25 -0.25
0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19 0.19 -0.19
0.19 0.19 -0.19 -0.19 0.19 0.19 -0.19 -0.19 0.19 0.19 -0.19 -0.19 0.19 0.19 -0.19 -0.19
• 1.2DL + 1.6LL • 1.2DL + 0.8W • 1.2DL + 1.6W + 0.5L
ASCE 7-02 Code Combinations • • •
1.2DL + 1.6LL 1.2DL + 0.8W 1.2DL + 1.6W + 0.5L
Apply Loading to Diaphragm
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