Sentence examples for maximum story drift from inspiring English sources
The maximum story drift angle and response of the top floor displacement are discussed.
The maximum story drift for the hybrid frames are determined and compared to the "life safety" and "collapse prevention" limits as recommended by the FEMA 356.
The maximum story drift for the hybrid frames was determined and compared with the "life safety" and "collapse prevention" performance limits, as recommended by FEMA 356 [12].
Furthermore, the roof displacement demands of the superstructure are more affected by soil material damping than by the maximum story drift angle response.
This study deals with the evaluation and formulation of methods to improve the probabilistic quantification of maximum story drift demands for structural systems exposed to severe ground motions.
Improvements in the probabilistic estimation of maximum story drift demands are illustrated with a nine-story, moment-resisting frame building exposed to a set of 40 ground motions.
It is evident that for a such yield drift, the beam plastic rotation capacity θ p of 0.015 rads is hardly attained, because of the code restrictions on the maximum story drifts.
Figure 19 shows a plot of the vertical distribution of the maximum story-drift of the main frame.
Moreover, although 75 mm, or 3.125 %, the inter-story drift ratio was the maximum amplitude of the actuator and was considered to be adequate, since the maximum allowable story drift ratio specified by the Standard FEMA450 (2003) is 2.5 %.
Therefore, according to FEMA-356 and Iran Seismic Design Code, the maximum inter story drift and residual inter story drift in SCBFs should be, respectively, smaller than 1.5 and 0.5 %, when subjected to the severe ground motions with 10%% probability of exceedance in 50 years with the return period of 475 years.
The intensity measure (IM) has been taken into account in the spectral acceleration analysis of the first vibration mode of the structure [s a (T 1)], and the maximum inter story drift ratio (MIDR) has been considered as the damage measure (DM).
