ࡱ> Root EntryRoot EntryPD"FileHeaderzDocInfoR HwpSummaryInformation.J  !"#$%&'()*BodyText 0+D`DPrvImage e PrvTextDocOptions @D@DScripts @DPDJScriptVersion DefaultJScript~_LinkDoc  !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIKLMNOPQSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy{|}<Journal of Korean Society of Steel Construction><Vol.**, No.**, pp.**-**, **, **><ISSN(print) 1226-363X ISSN(online) 2287-4054><DOI http://dx.doi.org/10.7781/kjoss.**.**.**.**><m8ȩ [$ 140, 30 tǴ] , ȐǬm  m8ȐDž1 e m8ȐDž2 e lp3* [$ 130] 1, **YP, **Y, 2, **YP, **Y, 3P, **YP, **Y [$Džp 120] 8ȩ [$Džp 120, 15貴 tǴ] , ȐǬm  8tDŽ1, 8tDŽ2, Kang, Goo Jo3* [$ 130] 18 28 3Professor, Dept. of ** Engineering, ** University, Seoul, 00000, Korea [$Džp 120] > <> <Abstract - 100貴 tǴX 18 [$Džp 120] 8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ. Keywords - 5 t-10 tX [$Džp 120] 8 ܴ, Steel, Structure>[, t Ux]<Note.-Discussion open until ** **, **. This manuscript for this paper was submitted for review and possible publication on ** **, **; revised >GIF89aɻxxxkkk]]]PPPCCC555((( d`LH00`Hذ̘`H0|pdXL@`0H `H0`dHL`H0xp`XH@0d LȰ``HH00dLؘȀ`H0xp`XH@d0L `H0d`LH`H0|pdXL@0`$H`dHL00`HذȘdL0xp`XH@0` HdH0ȳ``HHdL0xp`XH@`0H Ը̰ĠऀؘpȈXxHp@h@d8`8X0xT0pH dxddxd`d`p`|``x`p``x`!, H*\ȰÇ#JHŋ3jȱǏ CIɓ(S\ɲ˗0cʜI͛8sɳϟ@ @ѣH*]ʴ)ҡPJذUV z5kVU +MMv ڷk Dۖ-ݹpݮ9U+B vu&w*ZLfjY&Ϗ\μۚ&Wlcu5gԐ6{; g3 _μУKNسkν:ƛZ]ѣ.q]ݾqm} C|hulnV}n\ oga{&vAE16b,0(4x] Hޙ@AiNd#6I ՆZsF飐UfQEaPR|RfhhȣFk٦'xՉ_y~jFf9hzu&%& hVj饘f馜v駠zeN9Z,t_I*kPֺx꺫YG)fl[׊zcy^(+kJ+*Zo%nz`gb鮖כZ_w 7|): JlxSF|1G\Rb;hf2h&lަ%Fa H+(33HXP4a46Oͬf7Y@4n-kF#-jWZxor)(Tc,VCy[|>2< GbORuʻU\ .9:Q.ƨ62Zh߬t;AИ>=pQ r[`T_~e,\uvl:8"1Sb+0Ujr*dUVAM|V}}]'1PR)I02N 9}ط-ɩw |f]xhF;ѐ6H[Ҙδ7i;`a``a`0x $   1Administrator2008D 2 26| T֔| $ 11:31:11journ-9, 6, 0, 2416 WIN3Section02LEWindows_Unknown_Version@Рx@0+D@WKkQ=Ν$MtPB|,,UPEiHq׍?Ѕ .*")(E]DsLt-R{s$g"G \aYqé@C} xZS"*jKxu9L'Bx9T1OmY! Abegg}b{Qۖ$\!e.Tcmp[1$y$$) .x^3*JloVwi}fh&\{Ɲ74ՄcI4t$RMd3hN3=OfYkmLC b+ jF6ĝk/"/2R'{ߑ:|^t^R%T*[Tˊ!\yg\9D.nq_~y3FRf,CWG9n"#aBhF1|jvܧG%myZc[bFbSvfO,ID{㏰=ZSDamaڡ w" b8Ĝ5I vEolX2NV?<%@|]FXݟ_ȗ?n0/ nx>@',Q$RU}ut씒9Cql'=B ~1(r(| C1xշ;'0x^I{4=GuEڽ-jbLqim Um h 8ӒMc-nsezEB[K,,dZT W`0 o(oi{ph[ $MӦ?6i @;3Nd+"VJ!#2ʐCQE.B BL)R*E mfBr^ws=naYWA#JZ!w§ O߄G '+ ?*# ozT!%_( E= Tگ$U2 g s)▒} AN/]]~ʍ, }EUwI[>.BF]vV\]Lõ&}O>Q4zQPL1-sl3u>kK0*v{Lϡ\5t<%2&-Ue^!@Y̼e^ fOϐQP[빜|SMgAςJ2oӫyծi"?`nt} ٝSĸeqWv+fgr{+fGR(M]-mJZmz3~HPm-T?9M]g_O?k W|ٳS3`zafe\8}pc ]5O&[υ)Qm@./\ðFަH/Ka Ęw!ر!k^и!k>m&a;U kNjGj0LSU3NYFswgt ىd o?PA;KJ3 C\&‹8\I A3pc`W$aZ?Ak6A=<3,raGbQVZ}Co#s'@PqBİʞ䑟KptVД7~\Y'j\OZRKBQ=yy2`7~loEKC mEj P"irk5jHP1j0"\ Z{zʾ8|!Q-d0G$md8")!jȻr:V!A:Bl; b)ڐ&HK\U OsÂlܛvaP3O~glӦRă>5ii(RS$+PYz<RxսpZ:Ciwڑ K+xf^y]b"V$}l7@Z?UA9r) b}'/0[s ^znS,}&}G2ǽ lNuҬ9uj;{f*5HWP Document Fileu@DO 6C,H,#GB!k0~ 6*7=M*Z:ҙ#?*?ӿT@Y~X+mj3'm[v|:j)%C$Mϼ5#cd߈.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ.8}ŅȲ. Keywords - 5 t-10 tX [$Džp 120] 8 ܴ, Steel, Structure>[, t Ux]<Note.-Discussion open until ** **, **. This manuscript for this paper was submitted for review and possible publication on ** **, **; revised >W_lSUvuZ(.G`cnYFe !aFm-iK2> ?I` >ŷ'5D}:᜜{w{vRA:HDz$TQOx,3$S-7Mrc-9BޖQ-jOw=yyjE!8j! P>9lʁErE:к yy+DgѮy.?:ڭQz޺pARd#ZZaH YYՂU"_Dͤ/&eD-Yka(<IjL<-Q\Ks+TCGd"ѱkةG fH%u5mEh\vmLC I 5P7퇔FTw}c/ ^t&0>> Vk{aݰXSOKڿ>KWSz^<Kdd*B<6b"U«gT *Lq-$/(sss+a'9^5P @Af<4A ,yJa s}Х!AQr[6c tiAj1I]+(Ho.hJvӆq^c/z1zF#|q=eEKDB/97n/q}h/Y3:"u܊%ld^s_lX7ݳyjz1WO5X3,+9 R,،ڎABb霽M Z"p~J$/IaN#-^WZiQHH[f/"Cٕ5׆ NUD[]J\knAʽ9>rGA"ԭʂ%0EJ#aNBy㹝ơ{lkq)>۳u¾᛻A?.}[i|í>ZuQxhtLV8M.Ii5m' 2_IPʼn20iUmݬ KSpx?k]n8= oUz\r㒾}m5{F,Y/~z^<<_ }KW&.V 6m׹XC&t [ʺ Y;ЍfNLF6hG1c"uP>&c> wιKk~sܛs{ :!33C-@_3BJ* :Upљ)Y.\XugwSkۙTKioVKD[X B D[ PRSKl'Ptf7A[Un0K7 ~LVO {v[JP$iCQ]goOR YZұR#;ORa0ovJga-%>[E'Rr x>vuK|&{ۦ7%Hj5oس) < uoZd thn20T)h-SPͣUE3)ȲX0p0Cq<; q}HM{?#Eq~z\WކFH6%x3$4k7l C*tɝf~қnU|Ë7MWXr7`,zf"1y(kUA?uY^)?w9ދ*{)3)n`̘0U4{n~K)O3KsHS9>e*95$:] Fnc0cfd|M{}oe)l}`!]s yVrsdNqMARm7?΋.3'sugy3s @t~cAwڭl2QFEϦC}|ѫfJA[u#8Ǒ>{h*z֮‡snW̏( v*:.w.i1wa@O6n%9kw"xZ;ƙˌF"LIzcumJ;&w?EFs<$l<#*lzOqns[eCd)Vk$c V˱4p #"bn0iNy;λm'l!kj4T_F/Fѡ.p҄kCeEe%cªJpr K.L]z\Bw: )mۡ+gΎ\_q %V]H\GD-t, Xc e)$`[ mT0m R`ԇPZZڢf+.I1O݇Ї<%=gfU7v^f̙3g9?4A`J GxMOX;yC2C Y~UR)Wب"TxwN aӽQO(3v+ۭ%q%Lz=/AoQ,1[^7*`T !"$c塚XUK1Ajmc7r U;2xV+O=1jLseF9\Fޖ0O.9c []~SZW!}b&knv՚}u?ɲw02mn,i v%`nJ^wDd}%\h^tqzybZi,5PuŒ 4<X`7>/ີXLx'Sq3EY>W?;76ӿNsľëWquf^W6׫F~ڛjM x퉏2TP?I&Hc?F(?Σ1C2ӫecǠ!d0JHFJ3M3-HzI1~QA+>~)ů1:#Q۷I>3= x߃d6:2'Sf"sϔD0B2@5Gd'pJx% Z/%a<=a[s"OZVCrO~T  QF}IKI}#G%S,/s *=.B5L_`KȣACHJ9.1U?/Ua{rZHSUij5K!\ײS-kT:-ڗ\qݴ{͋=ռFN5ï̽6ƞjc#Mm]F#Q#NFm?NS mEਵ-5$_-qN7jNR919;u ꙛ{3_l.[DZU+ޛ'"u1u wwk l^aWOhfEviFyB(N-me.A 9dA>4# ƨ!9xLGlSY*5ãQc>d#҂ ={O-bIzz~ n! ; -rNs#׭38L_UH3xJi՜Xa 84e9f!,bfZbiFMk}}CeC_G7M֚2m zQ 9/8O2cMTGT s0%; &#_G{/(L2[qN 8L CsiSqO3Mr~;8;r9ClB6ZCD$"zÃdq׳]bA/!`&y~?[Wnd8OI5!otj0u0QWkq+ߌ9K*ej%ݕw5IV6p"9r>Y=rrHq=H7O(J ѓE=sngۯ[pIV`Аٲs.ȓ/EW/zV :+[W*}WSc]Tn֩Tҿ;\Y={͟Ι`Ŵ$[CL~"UJFU D-1]oHU[~ZJT ?|ٲХ-qU05],YIoWEs}o=oaܩ uﵿsqy92!aJ { b/s69r?3 uȘ |j`;uޑ^ihׇ*#eVKЧ1XWNc8Xfy8e^bC BCtGz86;4Srm`N╰נ/x^٥d|۞ 8+7 ,^_mGss/,"Ag:<Qo?sYh stLGr+{ɋYa>6Hue]RseK=Om!WS|VKݯG 8Mjh;ܷ%T.WIeM/)@VoL[U? !yD 2lê38æ1̘a]M`d&̨ ]vt]f{d&hH|`~0|w{kF:\exjpd>֖iɠ0?fr+~'`wVxIYgXWC^ER{g&(xlӏY~}UswM?`_gd˸.g{7AIuɋvjpFc7fjN..0'] >mS.y%RZqp< &QuDsװvqZi{~~,ox~6Oʫ9Gڅ1JdD_%˲~[ fٱ{-iTOM())~tLLn4YBBP˫P Q~*m]KgaE}} ؕE<1mw0*, 3)%(|;[-/"-#XxTb-"d]1jΪ$6FP%,ՅkO&90BoZ:~MެѕiT9{kjcKšo}<jnR}xš~+"nBdphþ/@$U-EE~!gL }v^ œTviM"#JM* ln& 0 VQ<(6Y[)݇.t;O`֭Qو˷#L1 Wc -(FEbj>FEf#[o.#}(t{Z1g?^R`G-Dx۵5 ٱ- 5A*, 93zf/9_ϹD¢GM#@bH@ꔇCnZι|Ɵ#NMog0n>;vۃy ~9+N=K+_B{~̩^!r>EW.yJߎwS4?ǃA(KgzCAՏA[8gQo#׫H}8n9ƈ =c晨Ѩ)qג9s2R=-e~2Txڴe[:jTِuޢNYHW' UGJΛs(R)+0Dx*eżɪUN,W^ͷHWoh[U%j69[3ƛtәMtesNZہmMY\.D'U}0Qd9q&t KARRe A}7M&/qϻ={~ܤ T$,ף Y{)[ۀ/S }nc1ScƘ_)_?hiѵv:n]ЍГԄ`+3zeĻ&p껤TOF/S1(;hrdHCxsTm>"87C¯C/gѪ}X?߲AjeL'Qᥢ^ SηOZJi3qvxl2`lo*q[s4bD96R1g՗1!]c>L7gzZ0A2wӱ,?̓՗g;¾a~Yf+uxn6wg+Řc8u2}cañ=2k_T{kDfdv'Me6R|e2mR\nH6DNąg+Y/JUsdH qCs8[) c)cާ9%0 5HoWdʥG959 (vz63D_vAMiZ6|ZhxBfW.'~1"{3NeOpsq]1'1Q9 ,U`Lolj 6nu~_i{J# O2 =*Wſ6 Dmz(Rw|=5%z\W4ģNұC.5r!5ʽ6{gfͣ*ٲ8z80cxhJh2DQvڦO+ޛ&v 6ךWǧT [Y?-mPy濞YU}͐kEnUZɂؘ-\jj M?tYCx3%lXdF\c'&&s_U['2PŶN67Z[ިtw(1*}ҟRzһރ};KA೚DMV.dH4?@+OldEB$3Q$E")vb'v",gXyɨdQD[G}DЧ<}AKDзtJM?/cOxM%1´{Xϡީ˺cDēQ{gw00roUdgU)vWl@!!I!VPج%050xuzdDI{.+mЍJS>rٿb