Download Effect of Diaphragm Discontinuity on Seismic Response

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International Journal of Emerging Technology and Advanced Engineering
Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 5, Issue 12, December 2015)
It is observed that base shear is more in Type 4 for
earthquake in X direction and Y direction, on the other
hand it is less in Type 3 and Type 1 for earthquake in X
and Y direction respectively. When considering wind in X
and Y direction base shear is almost same for all Types.
More the base shear stiff the building since member will
attract more forces.
Displacement
Table 4
Displacement comparisons for the six considered G+7 storey models
Type
X direction
Y direction
1
0.0217
0.0406
2
0.0208
0.0407
3
0.0201
0.0398
4
0.0211
0.0402
5
6
0.0221
0.0218
Fig 14 Displacement comparison for the six considered G+7 storey
models in Y direction
It is observed that when considering earthquake and
wind in X and Y direction, displacement of Type 5 is more
as compared to other types and the displacement is least in
Type 3. More the displacement flexible is the structure.
Table 5
Shows Modal Mass Participation comparison for the six considered
G+7 storey models
Mode
Type1
Type2
Type3
Type4
Type5
Type6
1
84.48
84.26
84.59
84.51
84.52
84.51
2
0
0
0
0
0
0
3
80.61
80.91
73.42
80.85
80.95
79.89
0.0423
0.0415
Fig 13 Displacement comparison for the six considered G+7 storey
models in X direction
Fig 15 Modal Mass Participation comparison for the six considered
G+7 storey models in X direction
134