بررسی رفتار و خرابی پیش‌رونده در برابر آتش در قاب خمشی فولادی میان مرتبه

Abstract

O=DU= lJwm =k; Q@m =|ra TQOt C}@ QD x=oWv=O 'CU} R\}Lt w u=Qta |UOvyt |xOmWv=O QO |RwUVD; R= |W=v xOvwQV}B |@=QN w Q=DiQ |UQQ@ 'VywSB u}= s=Hv= R= hOy xk@] 15 |xvwtv u=tDN=U l} =OD@= 'Qw_vtu}O@ "CU= |Oqwi |x@DQtu=}t |=yu=tDN=U xWkv O=a@= w QDt 3 2 C=k@]`=iDQ= =@ w |Oqwi |WtN ?=k |=xR=U sDU}U =@ w |rkF |=yQ=@ |= Q@ 'u= Q}= u=tDN=U |rt C= QQkt R= xO=iDU= =@`@ Qt QDt 29 4 31 9 QO |Oa@ wO CQwYx@ xR=U ?=k u} QD|v=QL@ 'xt=O= QO "CU= xOW |L=Q] swUQt |@v=H |xOvwQV}B |@=QN '|RwUVD; hrDNt |=yw}Q=vU w xOW |R=UpOt OpenSees Q= Ri=sQv VywSB |}=yv G}=Dv "CU= xOW p=ta= u; Q@ =yuwDU hPL w =yhm VR}QwQi R= |W=v 'O= Qo|Dv=U xHQO 400 OwOL |=tO =D |RwUVD; Q}F-=D CLD =yQ}D xm CU= u; R= |m =L Q}}eD 'Oqwi Ctw=kt w |DNU Vy=m =@ =tO u}= R= TB =t= "Ov=xDW=Ov |O=}R pmW Q}}eD xHQO 650 =D 500 |=tO QO xm |Qw]x@ CU= xDi=} V}=Ri= CaQU x@ =yQ}D pmW C@Uv V}=Ri= u} QDW}@ u}vJsy "Ov=xOW ?= QN w xOW |O=}R pmW Q}}eD Q=JO 'O= Qo|Dv=U "CU= xO=Di= j=iD= O= Qo|Dv=U xHQO 400 =D 350 |=tO QO =yQ}D |tU= C}iQ_ x@ =[=kD