A SIMPLE PROPOSAL FOR ULTIMATE SEISMIC DEMAND EVALUATION OF MOMENT RESISTING STEEL FRAMES
鋼構造ラーメン骨組の終局地震荷重効果評価手法の簡略化

Praveen KHANDELWAL, Kenichi OHI, Peiyu FANG
2001 Journal of Structural and Construction Engineering (Transactions of AIJ)  
: Asilnp 監 e proposal for ultimate seismic demand evaluation of mu 賦 i − degree ・ of ・ freedom moment resisting s重 eel frames is deveLQpじd from limil analysis and fi 【 st order reliability method ( FORM ) . First , a proc じ . dure is proposed for ' vibration mode − failure mode ' integrated analysis , wllerein the restoring fbrce characteristics a 【 e represented by a global cQnvex yield poiyhedroll model , instead of a set of member hystoresis based models usually adopted in the inelastie
more » ... tUral analysis . Then , FORM is ex 【 ended to se 孟 smic design in the f6rm of ; ranClom pushover analysis ' , to choose an appropriate number of faiture modes to be conside 【ed in 重 he vibration mode ・ failure mode analysis . Random pushover shows a positive corrclation wi 重 h th巳 deter 皿 inistic analytical procedures and can be further used Io determine the lateral load pattems for pushover by the nonlinear slatic procedufes , A six ・ storey two ・ bay fmme is taken f6r case study and is analysed by the proposed mcthods f{〕r three gmund mo 重 ions and an impulse . By compa 【ing the resu 晝 ts wiIh the member − hysteresis based analytical procedures, this study indicates that thじ proposed simple methods can serve as a good tool fc } 【 seismic demand evaluation 飴 r practical purposes . Keyw・r4 ∫3 伽 απ4 副 照 ∫ ∫ ・n, inelastic resp ・π∫θ, 卿 ゆ ・lyhedr ・n 、 planar steel m ・ment resisting frame , design point
doi:10.3130/aijs.66.141_3 fatcat:ct5337l7k5eyppsg7bbixvj4sq