0&Jja: nuponpocitqoia ~lo~.nlxqvl K WV KTlpiwv ~E ~ETaAAlK6 OKEAETO.

0&Jja: nuponpoctqoia lo.nlxqvl K WV KTlpiwv E ETaAAlK6 OKEAETO. ElOTJYllTTic;: r.lwavvi6 1'JC;, 5p nm. 1. EOaVWV V VKa To npoallj.lo TllC: oullnepl<popoe; XOAu i vwv OTOxeiwv oe llme; 8ep J.lOKpOoiee; eivol SEJ.lO J.le noau J.l e:yo All OUXVOTTJTO ej.l<povioe:we;, KOTO TllV TeAe: utoio e:k O nevtoetio, OTO CJ)(eTlKci emotllllovlko ne:p l o K O (J.l e: e:pyooiee; TOOO 8ewPlTKEC; 600 KO nelpolotlk e;). Enian KOTO Ta Alya TeAeuTala XPovla unopxe l lleyoall i5paottjpotllta TWV emtponwv TllC; Eupwno"iKTie; KOlvOTlTae; nou acj)(oaou vto J.le Til i5latunwan TWV EupWKwKWV YO TTJ OJ.lO p <pwotj KOVOVWV eaevxou TTJC; EnapKElae; TWV KOTOOK UWVoe ou v8tikee; <pwtoc;. 'ETOl 3pioKOVTOl OTTJ cpootj TTJC; n:aktie; 610Tunwoewc; 1610i Tepa TJ.lTJ J.lOTO TWV EUPWKWiKWV 1 (<poptio), 2 (KOTO OKEU C: ana okup0c5elo), 3 (KoTooKeuEe; on6 XOAU 30) K0l4 (auj.lj.lktee; KOTooKEuee;). AVTOTOXO KOVOV0J.l0i unopxouv ana apketci XPOVO oe oaee; TC; TEXVOAOY KO npol1yj.1evec: xwpec:. To nveulla KO KUPEC: i5oto ele; TWV E U PWKW i KWV KOl OAAWV KOVOVOlWV So e KTeSouv OT'lV nopouoo ElaTiY'lOTJ. H ovtoxr'i TOU XOAU O OnOJ.lS lwvs TOl OOO11 SSPJ.lOKPOoia aucivet Ol, ll'l i5evie:to i5e m:pi TOUe; 1200 K. Eov enoj.levwc: 11 a u '1OTJ Tle; SEPJ.lOKpooioc;, ouv TW x po VW, i5ev avootoas!. elte Myw nopej.l j3om:we; n u po Oj3EOTK(ilV i5uvclllewv sin: Myw eavtatioewe; TOU u AKOll nou J.lnopE va KOEi, EVOl i5ei50j.levo OT eva Xo Mj3i5lvo <pepov OTOlXEiO, TE onpootote:uto eitenpo OTOTeU l&vo (J.l0vw J.levo), ea KOTOppEuoel uno TO cpop Tlo OlO onoio unoke Tol TTJV wpo Tile; <pwtloc;, SVTOC; KOnOlOU J.lKp6Tepou Ti leyaautepou, XPOVKOU i5 l0 OlTiJ.laTOC:. 01 np0610ypa<p&e; OTC; onoiec; ovo<pep9ti KOl mo novw on oj3mnouv akpll3we; OTOV npooi5lopl OlO TOU XPOVKOU autou 610OltllOT0C: nou ovolloe Tal i5e:ikt11c: nupavtiolaanc: (fire resistance). 0 eiktllc; OUTOe:; OTl ouvi:xelo uno Ke: ltol oe: a lo AOYllOTJ. 01 eaoxlotol onoltoullevol XPOVO OVTOXTic; TOU XOAUl3a oe ouv8tike:e; <PWTlOC; (eaoxotoe; OnOlTOUJ.leVOC; i5ei KTTJe; nupovtiotootjc;) K08op io V TOl oe 151oiTepo uc; KO VOVlOJ.lOUe;. LT11V EMoi5o lcj)(uel CJ)(ElTlKO TO n.ll. 71/88 nou KaSop ie: 1 YlO KTipla i5laq>opwv xptioe:wv TC: anal TOU J.le:vec: KOTO nepimwotj oi5oue; i510<puvti, 15 1 0Toe:lC: KAJ.laKOOTOoiwv, i5lol0p<pwow nupoi510lep01l0twv, Te; anolttiow:; OE e onalollo EVEPYlTlKTi C; nu ponpo Olaoiae; KO TOUC; l5 e:iktee; nupovtioloanc;. Eli5KOTe:pO 01 n p o j3m e lc; Ylo TO j3loll11xavko KTiplO KO Te; ono 9nKee; ne:ptaallj30vovtol OTO op8po 11 TOU npoeoplkou autou LlOTOYlOTOC; KO 01 analtoullevo eacixlotol 15ei KTSe; nupovtiat0otjc; <paivovtol OTOV nivaka Z3 TOU Ka VOVlOlOU (nivakoc; 1). rtov nivaka auto OVclAOYO le T1V e:mklvl5uvot'lto VlO ek15nawan <pwtloc; (ova<paee;11l6tl1ta UAKOU, TOXUTTJ Ta em<povt loktic; eonawotj C: T'l C: <paoyac;, tkauolev'l nooottjta SEPlOTllTOC; K.An) XW p!ovtol 01 13101l11xoVl K e; eykatoolaoelc;, 1300el TOU n apapttij.lotoc; T'lC; 0 noq>oanc: 17483/20.3.78 TOU Ynoupyt iou BOl1XOviac: Kal EVEpyeloc;, oe Tpeu:: KaTTJyopiec: Z1, Z2, Z3 (XOl1 A v, leoou KOl U1AOU!3oSlJ,ou KV15Uvou OVTlatoixwe;). n o TC; onostikec; eivol npotlj.lotepo 0 l'i loxwpl 0l0e; va yive:tol le 130011 TllV nukvottjto TOU nupo 8ep J.llKOU <p0ptiou (nou So opiooule Olll ouvexe:lo). KaVOVlOlOe; ylo TOV npooi510plollo Ta U i5eikttj nupo VTOTOOTJC; l'iev unapxel OTTJV notpil5o loe;. EnOllevwc; OTOV XPE Oe:TOl VO yivel nopo loo J.leAE:tll npenel va ova<pe psoule oe eve c: np06loypocpec; e:k TWV onoiwv lleplk e; OTJ lovtkee; exouv KOToxwPll8ei ato nopop T'llO A.

111 EKTOKTll EK500T] '94 TeXVlKO XPOVlKO 93 2, MtTaoA TWV lsottwv TOU XaAua auvaptatl T1 etpljokpaaia TO oxi]a 1 anelkovietat 11 etoj3oai] Tlle; TooeWe; 51appoi]e; (Tooll KaTaAinouoa napaevouoa napa op<pwot] 20/00), TOU i:tpou eaamkotlltoe; Kat Tlle; TOoewe; avaaoyiae; ouvapti]oel Tlle; SepoKpaoiae;. TOV EUpwKw51Ka 3 5i50VTO et;lowoele; npooeyyi ouoee; Tle; KanuAee; autee; KaSWe; Kat nivakae; e apls1tlkee; Tl Ee;. ho oxi]a 2 <paivetat 11 ETaJ3oAi] xapaktllplmlkwv 1 510Ti]TWV TOU XOAuJ3a ouvapti]oel Tlle; SepoKpaoiae;. e anaoue; unoaoylooue; 11 SepKi] l51aotoai] nopei va unoaoyietat ana Tr] OXEOT] 1/1 = 14 x 10-6 (S-20) e amoue; unoaoylooue;, KaTO TOV EupwKwl51Ka 3, 11 e151ki] SepoTllTa enltpenetat va SewpetTat, avet;ap Ti]Twe; Tlle; SepoKpaoiae;, iot] npoe; 600 Joule/kgoC (0,145 Kcall KgOC) 0 lie ouvteaemi]e; SepKi]e; ayw YlOTllTOC; iooc; npoc; 30 Kcal/mh oc. 01 EUpwKw51Kec; 3 Kat 4 5ivouv asllatlkec; ouvap Ti]oelC; nou npooeyyiouv TlC; npayatlkee; KanuAee;. 01 ouvaptjioelc; autec; elooyovto Kat ma oxetlko npoypoata llaektpovlkwv unoaoylmwv ma onoia Sa ava<pepsoueapyotepa. 3, npotunonol1j&v1 KO 'PUaK& (napaljttpk&) 'PW T& H ETaJ3oAi] TllC; SepoKpaoiac;, ouv TW xpovw, oe xwpo mov onoio Exel ek511awsei KaSopieTat KaTo TllV npolilaypa<pi] SO-834 (nternational Standard Organisation) ana Tll OUVOPTllOT] S, - So =345 10glO (8t+ 1) onou t 0 XPOVOC; ana Tll mlyi] Evapt;l1C; TT]e; nupkai OC; oe min, St 11 SepoKpaoia TOU xwpou Tll XPovlKi] mlyi] t Kat So=20 K T"] apxlki] SepoKpaoia. rpa<plki] napomaot] TllC; ouvapti]oewe; a utjic; Kat xapaktllplmkee; apls1tlkec; TlEe; TllC; q>aivovtat mo LX. 3. LTT] Bopela AeplKi] e<papoetat T"] noau KOVTO OTT"]V npollyouevll OUVOpTT]OT] TT]C; np051aypa<prlc; ASTM-E. 119. LTOv EUpwKw51Ka 1 (nap. 10.5.2) 5ilioVTat 151aiTepec; ouvaptjioelc; TOU St Yla neplmwoelc; et;wteplkwv motxeiwv TWV 6tfJewv TWV KTlpiwv KaSwc; Kat Yla neplmwoele; nupka"iwv nou OUVTT]POUVTO ana TllV KaUOT] u5poyovavspokwv. Eivat WOTOOO <pave po OTlll et;ealt;11 TT]C; SepoKpao i ac; Sa etlt]peoeto OT]aVTKo ana TO xapaktt]plmlko KO Se llilaitept"]c; nepimwot]c; Kat enoevwe; OTl OAec; 01 neplmwoele; 5EV npooeyyiovtat lkavonollltlko ana la OVO et;iowot]. UO napoyovn:c;, ektoc; Kat OAAWV 5EUTepEUOVTWV, etlt]peoouv KupiwC; TllV Et;EAlt;T"] T1C; <PWTlOC;: 11 nukvott]to TOU nuposepkou <poptiou (no OOTT]TO UAlKOU nou nopei va KaiEl) Kat Ol OUvSi]KEC; aeploou TOU xwpou. Oc; nuposepko <poptio (fire load) OpiETat 11 EKAUO ellt] nooott]to SepOTT]TOC; ana TT]v KaUOT] TOU UAlKOU nou J3piOKETat mo eowteplko TOU xwpou avaq>opoe;. Avayoevo TO <poptio auto oe TETpaywvlKo ETPO Ka TOljJEwe; 5ivE Tll 'EyOEVll nukvotllta TOU nuposep KOU cpoptiou. H nukvotllto auti] ekcppoetat noaaee; CPOPEC; oe XlAloypalllla 1005uval1e; noootlltoe;, ana naeu pac; e K AUOEVT"]e; SepoTllTOe;, t;uaou avo m2 Ka T0tfJ EWe;, 'ETO 11 nukvotllta nuposepkou cpoptiou 2000 MJ/m2 1005uvaEi n epinou e 115 kg/m2 t;uaou. H nukvotllto TOU nuposepkou cpoptiou 51a<poponotEi npocpavwe; 011 avtlko TllV avontut;11 U ljjllawv SeplloKpaOlwv. TO OX. 4 cpaivetol, Yla masepec; OUV Si]Kec; aeploou, 11 ETaJ3oAi] TT"]C; SepoKpaoiae; ou vapti]oel TaU XPOVOU Yla 510cpopee; TlEe; TT"]C; nukvo TllTac; TOU nuposeplllkou cpoptiou, onwc; auti] nelpa atlko EXEl npo051oposei, KaSwc; Kat 11 OUYKPlOT] npoe; TllV npotunll KanuAll TOU SO. Ev5elKTlKO ava<pepe Tat OTlll nukvotllto TOU nuposepkou cpoptiou nopei va AllCPSEi Yla 5woTla t;ev050xeiwv 24 kg/m2, Yla ypacpeia 37 kg/m2, Yla oxoaeia 23 kg/m2, enopk O Ue; xwpoue; eninawv 60 kg/m2. 'Onwc; Kat ana TO OXrl a cpaivetat oe 0plolEvee; neptntwoele; 11 leylmll eepo Kpaoia TWV KallnuAwv aunilv t;enepvo KaTo noau Tllv npotutlt] KallnUAll, napo u Olo etat 0lWe;, leto ana E va oxetlka OUVTOlO av051ko KA0i50, Evae; enoevoe; KaTlWV, oe a VTiSeOT] le TT]v npotunt"] KanuAlllS0 nou Eivat ouvexwe; aut;ouoa. 01 OUVSrlKEC; oeplollou enllpeoouv eniot]e; KaTo noau TO J3aSo avo50u TT"]C; SeplloKpaoiae;. neploootepa KO lleyaautepa avoiyata napexouv neploootepo o t;uyovo, anapaitllto Yla Tll OUVTi]pT"]OT] Tlle; cpwtloe;, aa AO Kat 51eUKOAUVOUV 51acpUYrl noooti]twv SepoTll TOe; npoe; TO neplj3oaaov. MlKpOTepa Kat Aiya avoiy ato EXOUV avtiseta anoteaeollata. H emppoi] cpai VETal mo LX. 5. 01 ouvsi]kee; aeploou napakoaou SOUVTO E OW TOU ouvteaeoti] aeplollou v (X. 513). TO LX. 50 cpaivovtat 51aypoaTa Tlle; lletoj3oai]e; SeplloKpaoiae; ouvapti]oel TOU Xpovou Yla 51o<popee; ouvsi]kee; aeplollou (Kat nukvotllta nuposeplllkou cpoptiou 23 kg/m2). <>wtlee; onwe; autee; nou napouolomllkav ma X. 4,5 ovoloovtol cpuolkee; (natural) rl napaetpkee; (parametrical) KaHl TOV EC1 Kat anelko v iou v akplj3emepa TT"]V npayllatlkrl KOTOmaOT"J. laypollata Kat nivakec; Yla cpuolkee; cpwtlee; 51a<pOpwv neptntwoewv neplexel 0 npwtonopoe; OU151KOe; Kw51Kae; KaSWe; e niot]e; Kat apketee; yepllavlkee; i5111l00leuoele;. 0 BPET TaVlKOe; KwlilKae; 5i5el, eniot]c;, et;lowoele; ylo cpuolkee; CPWTlE C;. O EC1 mo napoptlla 1 TOU TrllOTOC; 10 5i 5el et;lowoele; Yla napaetpkec; KallnuAee; SeplloKpaoiae;-xpovou, TOOO Yla TOV avlovta 000 Kat TOV Kan o VTa KAaiSo TOUe;, ouvaptjioel TOU avwtepw ouvteaeati] aeploou Kat Tlle; nukvotlltae; TOU nuposepkou cpop Tiou. 4. YnoAoYlalJo T'1 au1a'1 T1 etpljokpaaia JOVW J VWV Kal 1J1 JtTaAAKWv JtAwv KaTa Til lslclpktla 'PWTla H aue;1ot] TllC; SepoKPQoiae; lll 1l0VWEVOU xaauj351 vou leaoue; 51EneTat ana Tll oxeot]

94 TexvlKo XPOVKO onou ao+a r A", fl8 =--. -. (8-8 ). flt (Oe ) c. P. V ' flt: XPOVKO SOOTlU.la 8,: 8epiloKpaoia n plj36aaovto<; KaTO TTl XPov lkli OTYli t 8. 8epiloKpaoia XOAuj30<; KaTO Til XPoVKli OTYli t (sec) (0C) (OC) c.: llsuo; 8epilOTTlTa xclauj30e; (J/Kg K) P.: nukvottlta TOU x<iau Poe; (Kg/m3) Be: OUVT A onl<; 8 PlLKlic; l Taj3ij3aOll<; (W/m2 K) a r : Am: (Yla T<; cpaplloy&e; a" = 25W/m 2 C) OUVTEA&onle; 8&PlKlie; l&topj300ll<; OCP&iAOl&VOe; 0& OKTlvoj30Aio (radiation) (W/m 2 K) _ 77 er [ 81+ 273 _ 8. + 273 4] a r - 8,- 8. ( 100 ) ( 100 ) emcpovelo l AO Ue; KT&8eLl&Vl OT1 <p(j)tlo avo llov650 JiKou<; TOU (m2/m) V : 0YKO<; l&aoue; avo 1l0vcilSo llikoue; TOU (m 3/m) TTlv noponov(j) j3oolk OX&Oll TO YVOllevo Cs Ps V KcppoeL TTl 8&PlOXWP"JTLKOTTlTO (T1<; llov650<; llikou<;) TOU el;etoo ll e vo u l&aoue;. TO T&AO<; TOU XPOVKOU SOonllOTOe; flt 11 8epilOKpooio TOU xom j3lslvou OTO X iou &X& yivel 8. + fl8. To npoypolllloto unoaoy OTWV lsexovtol y LC TT]v OUVOPTll0ll 8, onololslinon: npc>turt1,; nopoll TPKTi CP(J)Tlo. 0 M yo<; AmN lnopei va ovo llaeto O U VT&& an; e; S0TOl,;e; (section fact or) Kat &"11P& O& 1 OlllOVTLKO TO pu81l0 ovo lsou TTle; 8&p lokpooloe:;. M&yoAee; Tlllee; (n.x. 200 m" ) TOU ouvu; Aeon; SloTolllie;, OVTOTOXOUV oe SOTOl&e; l OX&T KO Aemo TOXWlOTO KO TOXlhepoue;, ek 'TOUTOU, pu8 loue; avolsou TTl e; 8eplloKpaoiae;. no npotun e; CP(J)T&<; "J 8&PlOKpooio TOU xomplslvou lleaouc; ouvoptlioel TOU Xpovou, YO SO<pOp&e; Tlllee; TOU OUVT&Aeonl lslo TOli}e; lsii5&to KO ot nivak e;. KaTO TOV unoaoylollo T(J)V 8epiloKpoOlWV TOU XOAUj30 TO SlalSoXKo Slaan;lOTO llt npinel va AOlj3ovoVTal KOTO TOV EUPWKW5KO 1 flt 2,5Q4 ( 0& m' flt 0& sec), V JVV..ee; npol5loypo<pec; OUV OTOUV llt = 30 sec. o ouvtea on;c; e r ee,optcito ana TO dlsoe:; TOU KOO levou UAlKOU, TTl 8eOll TOU leaoue:; (J)e; npoc; TTl <pwto KO TO ellsoc; Tle; em<pov&loto;<; n pootooioc; TOU XOAU 130. no onaonoil"j OT] AOlj3oveTal ouv,; 8(J)e; iooe: npoe; 0.5. ESKO YO neplntwoele; <pwtoe; nou npokaaeito ono KauOll uspoyovov8pokwv 0 OUVTeA&an;c: 0 0 8 PlKT}C; leta(llj3aolle: AOlPOV TO looe; npoe; 50 W/m 2 C. (EC1 ). e neplmwoll lovwl&vwv l&tomkwv l AWV 11 oue,l1 011 TlC: 8eplloKpooioe; TOUe; unoaoy{ TO ana TlV 0 voaoyll n poe: TT]V nporwoull Vll oxeoll (EC3). fl8 = A/ d l _ A, 1 _ (8-8) " -(efj5-1)t.8 c.p. V 2 t. "4, 1 + 31; onou E,= c i Ai P A 2c. P. V A: 0 OUVT&A OTT}e: 8 PlKlic: aywylllot1to<; TOU 1l0VWTKOU UAKOU (W/m C) d l : TO noxoe:; TOU 1l0VWTlKOU UAKOU (m) c i : 11 &SKli 8 PlOTllTO TOU (J/Kg K) P: '1 nukvottlto TOU (Kg/m3) A,: TO lpolsov Tile: owt pklie; &m<pov loe; TOU 1l0VWTlKOU UAKOU avo 1l0volSo JiKoue; l TOMKOU l&aou e; fl8,: o ul;l1oll 11'1<; 8 PlOKpOoio e; TOU n&plp6aaovto<; KaTo Tl SOpK la TOU t XPOVKOU SLCOTT} lotoe; t.t. 5. 'EAt YXoC; EnapKElac;.ETaAAKWy OTOXtillJY GE GUY 8';KEC; cpltlac; 01 ouv8lik&e; <pwtloe; 8ewpouvTO TUXl1lloTlKli (accidental) <poptoll. 0 i A&yxoe: yiv TO OE enlnelso 0 POK';C; KOTOOTOO We; le SpOOEte; TO lovlo Kat KVll TO optio KO CPOPlOyi} ni l&pou <; ouvte'>"eotwv a ocpaa ioe; y= 1, O. ec: npolsloypocpee; Ko e o piou v 0 Kpl!3we; TOU e; ouv15uaolou<; cpoptiwv nou 80 8ewPl8ei OT OOKOUVTO TOUTOXPO VO le Te; ouv8';kee:; CPWTlO<;. no nopolselylla 01 OUOTOO&<; TOU Centre Technique ndustrial de la Construction Metallique (CTCM) nou avacpepovto Kupiw<; os POl"JXOVKO KTiplO, npopm nouv va A"J <P8ei un' 01.1'1 0 l5uolleviot poe:; ana TOU<; el;lie; Tpete:; ouvl5uoolloue; 5pooewv: 1.1 G + 0.8Q 1.1 G + 0.7 Q + 1.0 W + 0.5 S 1.1 G+0.7 Q +1.0 S (G lovjo<p0ptia, Q KV1TO, W ovejoe;, S XOV). <!>0p Tia ono w8lioel<; y povoye<pupwv ls&v nom 1AiZ;OVTO l& TTl <pwto. KaTo TOV EC1 <poptio ovi llou enam'1ai OVT O lovo npok l&vou Yla TOV e &yxo OVTlOVellLWv OUOTTJlOTWV KO l Ta8 TWv (sway) rtaoloiwv. H Y&Vttoi nopeio TOU AeYXou ln Op&i OUVOnTlKO va ne PYPo<pEi KaTo PlillOTO we; &E,lie:;: npoos O piovto, npw TO, TO <poptio TO onoio 8a 8Ewpn8el onl)pouv eni TOU E&TOO ll e vo u OTOxeiou nopoaa1ao l& T<; ouv8like<; <PWTOe:;. Yno Ao yieto leto, n600 XOl'lM npinel va y ivet novtoxli (n.x. 11 TOOll 6oppolie;) TOU UAKOtJ wote

1TJ EKTOKTTJ EKlioOT] '94 TeXVlKO XPOVKO 95 TO napanovw <jloptia va npokaaeoouv aotoxia. npoolilopietat l 8eplloKpaoia yw TTJV onoia TJ TOOT] lilappoe; naipvel TTJV napanovw llelwlevtj Tll. YnoAoyi etat TEAOe;, Aalll3avollEvwv un' OljJTJ Kat TWV OUV8TJKWV 1l0VWoewe;, 0 xpovoe; nou xpeloetat WOTe 0 XOAul3ae; va anoktoel TTJ xapaktlplotk aut 8epllOKpaoia. o xpovoe; autoe; aloaoyeitol OUYKplvollevoe; le Tle; unopxouoee; anattoele;. KOTO TOUe; EUpwKwlilKee; 3 Kat 4 0 EAeYXoe; enttpene Tat va yivetat eite KOTO llellovwlleva leatj (unootu AWllaTa, liokoue; K.An.) un08etovtee; OTa OKpa KOTOA ATJAee; ouvoplakee; ouv8rikee;, EiTe KOTO TllOTa (u noouvoaa) Tle; KOTaoKeue; eite Kat OUVOAKO Yla 0.OKATJPTJ TlV KaTOOKeu. 01 EAeYXOl lnopei va yivovtol le anaonoltjlevee; Ouv8ETOTepee; lle8olioue;. MnopEi va l3aoiovtat oe nelpallatlko anoteaeollata avayvwplolevwv epya OTTJpiwv. na ouv8ele; neptntwoele; wiotje; lnopei va yivovtat l300el ellnelplkwv OXEoewv l3aololevwv oe nelpallatlkee; epyaoiee;. TETOle e; OXEoele; neplexouv 01 alleplkavlkee; Kat 3peTTavlKee; n polilaypa<jlee;. Le noaaoue; KavovlOlOue; napexetat TJ liuvotottjta e AEYXOU le l300tj anaonolllllevee; lle8olioue;. 0 EC3 e nttpenel va 8ewpTJ80uv we; KpiOllTJ 8eplloKpaoia e <jleakuolevou Kallmollevou leaoue; 01 530 C, 8Al 130llEVOU lie leaoue; 01 490 C. EntTpEnel akoltj 0 npooliloplolloe; TTJe; KpiOllTJe; 8eplloKpaoiae; va yivel 1300el TTJe; KallnuATJe; TOU LX. 6 ouvaptoel TOU entneliou <jloptioewe; KO ouvteaeotolj npoooplloye;. Oe; eninelio <jloptioewe; n opietat 0.Oyoe; TWV lipwvtwv <jlop Tiwv Ed,f oe ouv8kee; <jlwtloe; npoe; TTJV OVTOX Rd TOU leaoue; oe ouv8ele; OUV8 K e;. To DN 18230 ent TpEnel 0 EAeYXOe; va yivel 1300el 1l1ae; KOllnuATJe; <jluol Ke; <jlwtloe; Kat npoolilopiel TTJV 100liuvallTJ, ana naeupoe; anoteaeolotwv, lilopkela TTJe; npotu1t]e; <jlw TlOe; SO-834 TJ onoia etal 8ewpEiTal OTl lilapkei OPl 0lEVO Xpovo (equivalent fire duration). 'EAeYXOe; wiot]e; lnopei va yivetat le l3oot] anao 110 vteaa unoaoylollou Kat TO lieliollevo TWV nopaypo <jlwv 2,3 Kat 4, LTTJV n epimwotj au y ivetat ouv8we; TJ nopoliox 0lOOlOp<jllle; lilavolle; TTJe; 8eplloKpaoiae; oe K08e lilotol Kat KOTO lkoe; TWV <jlopewv (.0 yw TTJe; lleyoatje; 8eplllKe; aywyllotlltoe; TOU xoaul3a). KOTO TO TeAeuTOia XPOVO EXOUV avamux8ei Kat lila Ti8eVTat 3pioKOVTOl oe eneepyaoia npoypollllato U noaoylotou Ta onoia EiTe XPTJOllOnOlOuv Tle; unopxouoee; lle8olioue; dte entlilwkouv akpll3eotepee; npooeyyioele; Aalll3ovovTOe; un' OljJTJ Te; akpll3 ie; ouvap Toele; lletol3oae; TWV ltjxavlkwv Kat 8eplllKWV xapakttjplotkwv TOU XOAul3a, TTJ lletqj3oa TTJe; 8eP1l0 Kpaoiae; leoa oe K08e lilatoll KO KOTO lkoe; TOU <jlopea, ne; napolletplkee; OUvopToele; (<jlwtlee;) 8ep 1l0Kpaoioe;-xpovou, Te; ena<jle:e; Kat lleplkee; OAlKE:e; evowlotwoele; xaauj3liivwv l1eawv oe OAAa KaTaoKEUaOTKO OTOlxda Ka8we; wiotje; Te; yevlkee; OXEoele; TTJe; nopoypo<jlou 4, npoolilopiouv lie TeAlKo Te; KpOll1ee; 8epl10Kpaoiee; KO TOUe; XaPOKTTJPlOTKOUe; xpovoue; l1e l1eyaauteptj okpij3ela. HAOe; oe noaaoj3otj8lota unopxouv ntvakonoltj1e: va anoteaeol1ato Yla ouv8el<; neptntwoele; onou napouoloetat TJ lilototj (l1etaaalkou OTOlXdou Kal 110 VWTlKOU UAKOU) Kat 0 avtiotolxoe; lidkttj<; nupavti OTOOTJe;. L uv8we; liiliovtat lilotoele; nopexouoee; e nopkela Yla xapakttjplotkoue; XpovouC; (30 min. 60 min K.An.). 6. npootot&utko UAKO Ta npoototeutlko UAlKolilaTOOOOVTat ev ena<jl ne Pl130AAOUV TO lletaaalko OTOlXeio, lila8etouv lie KaT' apxv KOTOAATJAO ouvteaeot 8ep11Ke; OYWYllOTll TOe; Kat noxoe; WOTe va entj3paliuvouv TTJV npooopl1oy TOU OTOlXdou OTl 8ePl1oKpaoio TOU neplj3oaao VTOe; KOTO TOV ent8u1tjto l3a81l0. LTTJV eaatjvlk ayopo lepa liloti8etat neploplollevoe; opl8l1oe; napol1oiwv UAlKWV. OOTOOO KaTo TO Te AeuTOia Aiya XPOVO lilopkwe; neploootepo, oe apl8110 Kat eilioe;, n ap0l10l0 UAKO EXOUV nopouolo08d. Lnc; eupwno"ikee; oyope:e; KUKAo<jlopel ila noau l1eymtj no1 KlAia UAlKWV lila<jl0pwv Tunwv. To nuponpootateunko UAKO lilati8evtat oe Tpele; KUpiwe; 110p<jlEe;: we; XPWl1aTO, we; KOVlOl1aTO (ektoeuol1eva UAlKO) KO we; npoototeutlke:e; naokee;. Ta Xpwl1aTO e<pop10ovtol oe noxtj Tle; neploxe; TWV 100011 Kal npoo<jlepouv npootaoia TTJe; ToeWe; TWV 30 min. Ta ektoeuol1eva UAKO e<jlop10ovtol oe noxtj ana 10 e we; 50 mm KO E:XO UV liuvatottjto nopoxtie; npootaoioe; l1eyaautepou xpovou. Luv8we; 0 KOTaoKEUae; TOU UAKOU 6 iliel nivaka le TOV enttuyxavollevo liei KTTJ nupavtiotaotje; avoaoya le TO e<jlop10ollevo no Xoe; Kat TO ouvteaeot OXllaTOe; TTJe; liloto1e;. napolielyl1a anotead 0 nivakae; 2 nou a<popo UAKO ano ektoe uollevee; OpUKTEe; ivee;. Me TO ektoeuollevo u AKO lilattjpeitol el1<pove; TJ j3aolk yewlletpia Tle; l1e TOAAlKe; lio TO1e;. AvoAoya anoteaeol1ato npootaoiae; napexouv 01 naokee; enevliuoewe; TWV l1etoaal KWV OTOlXe:iwv. BoOTJ ylo TTJ OU V8E OTJ TWV npootateutlkwv leowv a noteaouv UAKO onwe; 01 0puKTee; ivee;, 0 yuljjoe;, ol3ep 111KOUAiTTJe;, TO TOllleVTO, TO aoj3eotlo, 0 OPUKT03011 j3akae;, 0 n epaittje; K.O. Ta nuponpoototeunko UAKO npenel va lilatllpouv Te; llilotlltee; TOUe; oe ljjtjae:e; 8ep 110Kpaoiee; Kat va 1TJV eakuouv oe ouv8kee; <jlwtloe; Kanvo TOKO aepla. npoototeutlko UAKO liloti8evtol eniotje; uno 110P<jl autokoamtwv l1ellj3pavwv. Luv81le; wiotje; eivol TJ nepimwoll liloykou1evwv, oe ouv8i]kee; <jlwtloe;, ena AeiljJew v (intumenscent coatings). E<jlapl1oOvTOl oe liuo OTpwoele;: l apxlk le liuvototlta liloykwotje; Kat TJ TeAlKi] el1<pavioewe;. loykoullevtj TJ apxlk OTPWOTJ anoktcl noxoe; 80 EWe; 90 <jlope:e; TO apxlko noxoe; e <jlapl1oyjie; Kat napexel TTJV anoltoul1evtj npootaoia. EvlielKTlKO ava<jlepetol on TO OUVOAKO noxoe; 111ae; TETOlae; npomaoiae; Yla unootuawj..la J..e ouvu;},ear;, liloto1i]e; 140 m- l KO npootaoia 60 min dvat 2,5 mm. MVTJl1oVeuETat, TEAOe;, KaTllyopia UAKWV neplexovtwv uypaoia. 0 xpovoe; nou anolteltol Yla T'1V ef,cn,llotj TOU neplexollevou vepou entl1tjkuvel TO OUVOAKO XpO

96 TEXVKa XPOVKO vo npootooiae;. 7. npooavatoa,ao" T1 ep uva" all pa H OXETlKri ).e TO 8e).la -lae: l;pe:uva crri ).lepa npooava TOAiETOl KUpiwe: : O'Tl1V KOAAlTEPl1 Ko,oVOl1Oll Tile; npay).otkne: OU).lnEPl<pOpae: TWV -letoaalkwv O'TOlXEi WV, TOV KaeOplO).lO KaTO ne:pimwo'l1 TWV avaykaiwv auvuoo-lwv e:ve:pylltlkne: Ka l na811tlkne: nu pon po O'Taoiae:, O'TllV e:vapljovlo"l TWV l ocp6 p wv e:e VlKWV np06laypacpwv 6e:60lJevou OT napatl1pouvtal oe: noa 1..0 ee).lota O"l).lOVTKee; acpopl;e:, TTlV Tunonoil1O"l e: KTe:AE:OEWC; TWV ne:lpojotwv, T1 6tal-l0PCPWO"l Orc.AWV unoaoyotlkwv ).e:866wv Kat T Ao e; TTl cru VTal1 ye:vl KWV unoaoyotlkwv l-le806wv ).E 1Ae:KTPOVlKO unoaoyto'ti]. BlpAloypacpia 1. Eurocode 1: Eurocode of actions on structures Part 10: Actions on structures exposed to fire 2. Eurocode 3: Design of Steel Structures Part 1.2: Structural fire design 3. Eurocode 4: Design of Composite Steel and Concrete Structures Part 1.2: Structural fire design 4. DN 18230: St ructural fire protection in industrial buildings, 1987 5. DN 4102: Behav iour of bu il ding materials and components n fire, 1981. 6. E.C.C.S.: (Eu ropean Convention for Constructional Steelwork), European Recommendations for the Fire Safety of Steel Structures, 1983. 7...S..: (ntern ational ron and Steel nstitute), Fire Eng neerlng Design for Steel Structures. 1993. 8. S.C..: (Steel Construction nstitute), Fire protection for structural steel in buildings, 1992. 9. C.T..C.M.: (Ce ntre Technique ndustriel de la Construction Metall ique), Methode de prevision par e calcul du compartment au feu des structures en acler, 1976.

napapthma npo6lavpacpt ta VXoU XaAuP6ivwv atoxtiwv at auv8ktc; cpwtla A DN 18230fTeil1 Structural fire protection in industrial buildings Analytically required fire resistance time, 1987. DN 4102lPart 4 Behaviour of building materials and components in fire. Synopsis and application of classified building materials, building components and special building components, 1981. AS (American ron and Steel nstitute) Designing fire protection for steel beams, 1984. AS Fire-safe structural steel. A design quide, 1979. BS 5950/Part 8 Code of practice for the fire protection of structural steelwork, 1990. BS Fire-resistant design of structural steelwork information sheets, 1991. BS 476/Part 20 Methods for determination of the fire resistance of elements of construction (general priniciples), 1987. BS 476/Part 21 Methods for determination of the fire resistance of load-bearing elements of construction, 1987. SA (Societe Suisse des ngenieurs et des Architectes). Fire resistance of structural steel elements, 1985. SA Fire risk evaluation and calculation procedure, 1984. DTU, Regles FA, CTCM Calculation method, predicting the behaviour under fi re of steel structures, 1982. CBlA (Centre Belgo-Luxembourgeois d' nformation de ' Acier). Structural steel elements submitted to fire-practical design of insulation thickness, 1976. ECCS (European Convention for Constructional Steelwork). Design manual on the European recommendations for the fire safety of steel structures, 1985. ECCS European recommendationss for the fire safety on steel structures, 1983. Commission of the European Communities EC3 Design of steel structures. Part 10 (1.2) Structural fire design. EC4 Design of composite structures. Part 10 (1.2) Structural fire design. EC1 Eurocode of Actions on structures Part 10, Actions on structures exposed to fire.

98 TeXVlKO XPO Vl KO 1T] EKTOKT11 KO OOTl '94 nivckot; 1. EAaXloTol &nttpcn0j.le VO CiKT&t; nupavtiotoo'1t; (n.l1. 71/88) KOTllyopio KTlpiou MovwpotpO noauwpotpa YnoY lo EYKOTOOTOOl KOTO'iO V OTPWV 1l&WTKOC; OU VT & A &OTC; BOllllxavi&<; Z1 xwpic; anaitllcjll 60 A. 120 A. 0,5 Z2 60 A ma 90 A. 120 A. 0,6 Z3 60 Ae:ma 120 A. 180 A. 0,7 AnOaK <; Z1 60 A ma 90 A. 120 A. 0,5 22 120 M:ma 80 A. 180 A. 0,5 23 180 Ae:ma 140 A. 240 A. 0,5 Yla an o9kec; Z1 TTLJ KVOTT)TO fllj pogepllkolj qlo ptiou -- 1000 MJ/m 2 Z2 TTUKVO T11TO nup0gepjlkou qloptiou 1000 2000 MJ/m 2 Z3 rrukvot11to nupoeepljkou qloptiou... 2000 MJ/m 2 Yla O J T1 xov i e c; KOeOplOlOc; KOT'1 YOP )V Z1, Z2, Z3 KOTOT'1V onoq>oon17483/78 TOU Ynoupyeiou BlolJ'1xovioc; T TOU tytsouc; at lpl A aepllokpaoia T TOU leytsouc; at Ouvae l C; OU vaktc; 05 o ', ",,,,, t VTa11610rOC;,,. rv " ' ; '. li:po EA'oo T K T1Tac; TQO o vaaviac; '. 'Z "... 'r--_ -- :::... a 200 400 600 800 1000 LXr7l10 1. i - 1200 9 P-OKpaoia(O C)

T XVLKO XPOVLKO 99 16 ::::14 X 1 0-6 (8-20) 12 8 4 o o 200 600 800 1.000 1.200 C a (J/kg K) 1.200 800 L / " 400 8 v1 OL 2J O 400 600 800 1.000-1.200 60 AQ (W/m K 40 20

100 TEXVKO XpOV KQ 111 E: KTOKTT'J &K6oOTJ '94 6 o-cd'" as" i 1000 1 800 600 400 200 V,- V0=345 109,0 (81-1) Ka.mUAT].S. 0 Xp6voc; t mn 5 10 15 30 60 90 120 180 240 360 AUE;1OTJ 8e:PlOKpooioC; 8-8 0 C 556 659 718 821 925 986 1029 1090 1133 1193 xrujq3. 1100 100 900 800 700 600 500 400 300 200 100. epl-i0kpaola f.. qf=60kg/m 2... 1/ V 40kg/m 2 l..-t't./v, t. ---. '.' :...' : '. 30kg/m...:. {.... h 2 ;" 'lx :..... ": '. 'Jvf:...,.,,<.. "... :;''" ' :, :.'. J ' :'.. ".. ' /.".. '1,..'..... l. i'.-_ 20kJa/m 2.:.... j ;V '., -. '....L,, r'< qf=15kg/m 2....,.. d '. 11J YP -SO r---... 1"! 5 10 15 20 25 30 35 40 45 50 55 60 6S xp6voc; min) Xr11Q 4. napal1etplkec:; Ka1Tl1JAec; cpwtlac; Yla tll acpopec:; rrukvcjtrytec; rrupobepl1lkou cpoptiou.

111 EKTaKT1 EKl)OOTj '94 TE:XVlKO XPOVlKO 101 ". 0e:PlOKpaoia (DC) 8000 o.,... ' ':O:;32:: : :-=---- - -,..------.;..,.---.-.-... 20 40 60 80 100 120 Xp6voc:; (min) (a) OUVTE:AE:OTT;C:; ae:plolou V=Aw v'h / At (m"2) Aw OAlKO E:lll3al)o avolyllotwv (m2) h leoo utv0c:; avolyllotwv (m) At OAKll E:mcpoVE:la nupoolalle:piollatoc:; (m2) nupoolallepolla L,. b,..1 Aw= bt ht + b 2 h2+.. b6 h6(m2) A,=2[ LtLz+ LtL3+L2L3j(m2) h=_1_ [Atht+Azhz+... Aaha](m). v'h OUVTE:AE:OTT']C:;= Aw. A, ae:plollou () Xr1J10 5. nopoj1erpkec; KOJ1TT1JAec; cpwwic; ylq cjlacpopec; OuvBr1Kec; Oep0J10u.

102 TeXVlKa XpOVlKa 1'1 KTOKTr] EK!SOOTl '94 1 2 00 '1000 :0 () '-'" 0 CD ' 800 600 400 ----... - ---- 200 o (0.00 0.20 0.40 0.60 KTJ 0.80 1.00 Enim:oo cpoptioewe; n=ed/rd Ed,1!Spwvw cpoptia OE ouve KE e; cpwtla e; Rd avtox TaU i:t..oue; OE ouve e:le; OUVe KEe; OUVTEt..EOTe; npooapo V1ie; K 1.00 acpli:pelotee;!sokoi, KTEe L i:v e e; ana Ot..Ee; ne; n(.eupi:e; TOUe; 1.00 ouve)(eie; 50KOi we; avw 0.85 ana ne; TpELe; nt..eupi:e; TOUe; ouvexeie;!sokoi we; avw 0.70 0.60 i:t..tl una ouv5uaoi:vtl Kam lkl1 KO et..tnnk KaWnOVTlOll 1.20 LX lla 6. ArrAOrrO'7lleV77 ltboooc:; rrpoaoloplollou KPOillWV Bt:PlloKpaOlwv lleraa)dkcljv OTO XeiW V KQTCt TOV t:upwkwolka 3.

111 EKTUKT1 EKOOO1 '94 T XVlKQ XpOVlKQ 103 nivakac; 2. Xpavoc; npootaoiac; ana KTO UOj.l VO UAKO OPUKTWV VWV (p=220. 250 kg/m3) AjV noxae; llavwtkau uakau (OE mm) nau napi:xe nupavtiotaoll Via 1/2 wpa 1 wpa 11/2 wpa 2 WpEe; 3 wpce; 4 WPEC; 30 10 12 12 12 17 25 50 10 12 12 16 26 36 70 10 12 15 21 34 46 90 10 12 17 25 40 55 110 10 12 20 29 46 64 130 10 13 22 32 51 70 150 10 14 24 35 56 170 10 15 26 37 60 190 10 16 28 40 64 210 10 16 29 42 67 230 10 17 30 43 70 250 10 18 31 45 270 10 18 33 47 290 10 19 34 48 310 10 19 35 50 npo&l)poc:;: Aomav 0 ouvood(jloc; KUPlOC; L111riTP1C; Mna'ipaKTOP1C;, ylo TU 3lOl1xavlKo oan oa, TO onoia o V EXOUV avoyk1 ana nuponpomaoia,