Research Article

Seismic Response of Plan-Asymmetric Structures with Diaphragm Flexibility

Table 3

Natural period and torsional to lateral frequency ratios () of models with rigid diaphragm assumption.

ModelMode (sec)Mode (sec)Mode (sec)

10.3810.3300.2311.6491.429
20.3810.3300.2311.6491.429
30.3810.3390.2381.6011.424
40.3810.3390.2341.6281.449
50.3810.3420.2301.6561.487
60.3810.3460.2261.6851.531
70.3810.3540.2211.7231.602
80.3810.3760.2091.8231.799