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Summary report of the EGOLF round-robin nr. TC2 14-1 in fire resistance on steel beam

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(*) (**) (*** (*** Fire Testin ) SP Techni *) ITB Buildi **) Efectis N 1.  INT 1.1  Sco 1.1.1  1.1.2  1.1.3  1.1.4  1.1.5  1.2  Ori 2.  GE 2.1  Pur 2.2  Sel 2.3  Exp 2.4  Inte 3.  PER 3.1  Pur 3.2  Sta 3.3  Ra 3.4  Sco 4.  MA

EG

g Laborator ical Resear ing Researc etherlands TRODUCTION ope ... Test spec Test meth Calculate Laborato Scheme o ginal data .. NERAL ACCU rpose ... lection of re pression of erpretation . RFORMANCE rpose ... arting data .. nks ... ores ... AIN CONCLUS

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OLF

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IN FIR

ry of the Un rch Institute ch Institute N ... ... cimen ... hod ... ed setpoint v ries experie of the expe ... URACY EVAL ... egular data general acc ... E EVALUATIO ... ... ... ... SIONS ...

MMARY

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niversity of L of Sweden of Poland C ... ... ... ... values ... ence ... riment ... ... LUATION ... ... ... curacy resu ... ON ... ... ... ... ... ...

Y REPO

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Liège n CONTENTS ... ... ... ... ... ... ... ... ... ... ... ults ... ... ... ... ... ... ... ...

ORT OF

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S ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...

THE

TC2

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abien Dumo

ars Boström

arek Łukom

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behalf of

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...

14-1

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EGOLF

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .. 2  .. 2  .. 2  .. 2  .. 2  .. 3  .. 3  .. 3  .. 4  .. 4  .. 4  .. 5  .. 5  .. 6  .. 6  .. 6  .. 6  .. 7  .. 8 

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In pa pe un Th Th we M we Ea Th Th th Th Th ap 2014, EGO articipating erform this ncertainty o he present d 1.1 SCO 1.1.1 Te he test spe elded stiffen Pa. The sti eb.

ach lab cho

1.1.2 Te he fire tests he performa e limiting ra he test conf - fire ex - fire sc - instal - loadin betwe 1.1.3 Ca he participa pplication po OLF organis labs. This r test meth of measurem document i OPE est specime cimen is a ners. The re ffeners are ose to test o est method s shall be p ance to me ate of deflec figuration is xposition: th cenario: the lation: the b ng: the test een the two alculated se ating labs w oint “P”, as sed a round round robin od, to obta ment. s a summa en HEB 300 h eal elastic l provided a one of these erformed a easure is th ction criterio s as follows: he beam sh e fire scenar beam shall b t loads “P” central stiff etpoint valu were asked well as the

1. IN

d robin (RR n enables th ain regular ry of the ful hot rolled be imit has be at the suppo e two specim (all di ccording to he loadbear on. : all be expo rio shall be be simply s alone shall feners es d to calcul limiting val

NTRODU

R) on fire re he participa r results, a l report of t eam, with a en determin orts and at t men lengths imensions i

o the fire res ring capacit sed to the f the EN 136 supported l produce a ate and re lues of the d

UCTION

esistance te ating laborat and to expr he round ro a nominal s ned by tens the load ap s: n mm) sistance sta ty, through fire on 3 sid 63-1 standa a 140 kNm eport the va deflection a sts accordin tories to de ress their t obin (TC2 14 teel grade o sile tests at plication po andards EN the limiting es (3 sided rd of fire cu bending m alue of the and rate of d ng to EN 13 emonstrate trueness, p 4-1 round-r of S355, re an average oints on bot N 1363-1 an g deflection d exposure) urve (ISO 83 moment whi e load to a deflection cr 365-3 with their ability precision a robin). einforced by e value of 4 h sides of t d EN criterion a 34) ich is unifo apply at ea riteria. 16 to nd y 8 48 the -3. nd rm ach

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Th co ex lo Fo th be re Fo Al Al Si m a Ea co Th in pa M fa 1.1.3.1 L he compon omponent o xpected to b ad to apply our labs co e bending elow 100 kN eported P = 1.1.3.2 ollowing the o o ll the labs c 1.1.4 La ll participati 1.1.5 Sc ixteen labor ethod, it ca reasonable ach laborato onditions. 1.2 ORI he raw data charts be articipants”, issing data ailure, or bec Load nent of the of the bend be disregar y at each ap nsidered th moment ca N, fortunate kN 100 as e 2 Limiting e standard E limiting de ƒ 14 ƒ 22 limiting ra ƒ 6, ƒ 10 correctly rep aboratories ng laborato cheme of th ratories par an be assum e cross-sect

ory was req

IGINAL DATA

a for the lim elow. The meaning th a are due t cause of tec bending m ding momen ded from th pplication po he own weig alculation. I ely without expected. criteria EN 1363-1 eflection: 47 mm for L 25 mm for L ate of deflec ,53 mm/min 0,0 mm/min ported these experience ories are EG he experime rticipated to med that the tion of the p quested to c A iting deflect wording “ra hat those da to tests sto chnical prob moment gen nt generate he calculatio oint “P” was ght of the b n conseque any conseq § 11.1, the Lsup=4200 m Lsup=5200 m ction: n for Lsup=42 n for Lsup=52 e values. e GOLF memb ent o this RR (p e number of population o conduct two tion criterion aw data” r ata may pos opped eithe blems. nerated by d by the de on. Applying s thus P =1 beam and th ence, they quences fo limiting valu mm, and mm 200 mm, an 200 mm bers and ar p=16). Since f laboratorie of qualified l o identical te n and the li refers to “t ssibly conta er before th the own w ead load of g the formu kN 00 . he dead loa reported a r the validit ues to repo nd re accredite e about 20 es participat aboratories ests, on ide miting rate the data a ain errors. he occurren weight of th f the assoc la Mmax,unifor ad of the as calculated ty of their re rt were: d against IS laboratories ting to this R s. entical replic of deflectio s they’ve nce of the e beam, a ciated const x P rm= ⋅ , th ssociated c loading se esults. All t SO 17025. s declare to RR is large cates, unde on criterion a been subm correspond s well as t truction, we e value of t onstruction etpoint sligh the other la o use this te enough to r repeatabil are present mitted by t ding mode the ere the in htly abs est be lity ted the of

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Th ex pr Th re of As po As la 2.1 PUR he test spe xperiment h rocessing to he first aim esistance re

f the lab res s it is usefu ossible corr 2.2 SEL s the acce boratories, - result rate o - result - result - result Coch RPOSE cimen, the have been ools presen m of the an esults of the sults (repeat ul to include rections of t LECTION OF epted refere the presen ts incorrectl of deflection ts arising fro ts arising fro ts identified ran). (Filled

2. GE

laboratorie chosen to ted in the IS nalysis is to e specimen tability stan e as many he data are REGULAR D ence values ce of irregu ly reported: n incorrectly om tests no om tests no d as outlie d markers lo

ENERAL A

s, the num fully compl SO 5725 co o work out (reference ndard deviat correct resu e allowed fo DATA s are prod lar data cou results too y computed… ot carried ou on-complyin rs, as dete ocates test

ACCURA

ber of repli y with the ould also be as accura values m) tions s andr ults as pos or this purpo uced from uld distort th o rounded, … ut under rep g with stand ected by s on Lsup=520

ACY EVA

cates, the i ISO 5725 e implement ate as poss and quanti d reproduci sible in the ose. the raw d he estimate results bad peatability c dards requi pecific stat 00 mm)

LUATION

instructions prescription ted. sible the be tative meas bility standa estimation ata submit es. Irregular ly captured onditions rements an tistical tests

N

s and the pr ns. As a re est estimate surements ard deviatio ns, all the n tted by the r data refers d from the s nd instructio s (Mandel, rotocol of th sult, the da es of the f of the spre ons s ). R ecessary a e participati s to: spreadshee ons Grubbs a his ata fire ad nd ng ets, nd

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de co Fi Fi Th by Th re Th ob Th re Th ob Th en eviations. A ompliant da 2.3 EXP inal accura inal accura 2.4 INTE he general y a “perfect he repeata epeatability he repeata btained und he reprodu eproducibilit he reprodu btained und hese amou ncountered As a result, ta, as well a PRESSION O acy results Gen Re Between-Repr acy results Gen Re Between-Repr ERPRETATIO mean m is lab” perform ability stan conditions – ability limit der repeatab ucibility sta ty conditions ucibility lim der reproduc unts depict when testin the whole d as the defle F GENERAL

for the lim neral mean = epeatability s -laboratory s roducibility s R Re for the lim neral mean = epeatability s -laboratory s roducibility s R Re ON s the best e ming a “per dard devia – that may t r is the va bility conditi andard dev s – that may mit R is the cibility cond in what p ng a beam a data of 3 te ection criteri ACCURACY miting defle = Reference v tandard devi tandard devi tandard devi Repeatability eproducibility miting rate o = Reference v tandard devi tandard devi tandard devi Repeatability eproducibility estimation o rfect test”. ation r s is be expected alue below ions may be viation R s y be expect value below ditions may roportions according to ests have b ion results o RESULTS ection crite value m iation sr iation sL iation sR Ratio γ =s y limit r y limit R of deflectio value m iation sr iation sL iation sR Ratio γ =s y limit r y limit R of the test re s the standa d on averag which the e expected is the stand ted on aver w which the be expecte the test re o the stand een discard of one lab b rion 3 r R s on criterion 2 r R s esult. This i ard deviatio ge in labs. absolute d to lie with a dard deviat rage in labs e absolute ed to lie with esults are ards EN 13 ded becaus because of o 31:37 n 27:17 s the result on of test r difference b a probability tion of test . difference b h a probabili spread bec 363-1 and E se of unreco outlier data 00:21 01:45 01:47 5,0 01:00 05:01 00:53 01:10 01:27 1,7 02:28 04:05 t that would results – ob between tw y of 95 %. results – ob between tw ity of 95 %. cause of a EN 1365-3 ( overable no . d be produc btained und o test resu btained und wo test resu

all the facto (differences on-ced der ults der ults ors s in

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ha in … In Th fo ge Th re pe Fo de pr pe no Th th Th la Th Ra th la st Th Th pe G andling and furnaces a …). 3.1 PUR this Part 2 hese individ or each lab. eneral accu his section esults. Tho erformances 3.2 STA or each lab eviation (

s

i recision of erformance o correction he closer to e lab’s true he smaller t b’s precisio he global ac 3.3 RAN

anks for the e lab havin b having th tandard dev he rank-sor hey are of erformance auss plots o d positioning and other e RPOSE , individual dual accura The perform uracy results implements se method s of the lab ARTING DATA boratory, th i) are calc the labs r assessme n is allowed o the refere eness is. Th the within-la on is. This w ccuracy of a NKS e means ar ng the small he highest viation of ea rting provide ften used t . of the rank-g the test sp quipment, d

3.

accuracy re acy results c mance of e s produced s some simp ds, present oratories. A he within-la culated. The respectively nt of the la . nce value t is will be qu aboratory s will be quant a laboratory re deduced lest mean, mean. Sim ach laborato es a simple to identify -sorted labo pecimen, dif differences

PERFOR

esults are p consist of t ach lab can

above. ple graphica ted in the ab mean (

y

e bias and y. Contrary bs must be the within-la uantified by tandard dev tified by the y results fro from the m rank 2 to th milarly, rank ory. method to the labora oratories are fferences in in operator

RMANCE

produced fro he bias (tru n then be de al and num e ISO 135 i

y

), the bi d the stand y to what e based on aboratory m the z-score viation is, th e k-score be m these two mean result he lab havin ks for the s identify the atories that e shown be n instrumen rs, differenc

E EVALUA

om the raw ueness) and educed by c erical criter 28, allow ias (Δi =yi dard deviat has been the origina

mean is, the e below. he smaller t elow. o compone t of each la ng the next standard de e laboratorie would be low. tations and ces in proce

ATION

data subm d the stand comparison ria to these deducing m i − ) and ion express done in a l results su smaller the the lab’s va nts. boratory by upper mea eviations ca es having th the more d calibration edures and mitted by the dard deviatio n of these va labs’ individ a clear pi the within-s the truen accuracy ev ubmitted by e lab’s bias ariability is, y assigning an, … up to an be dedu he most ext likely to s, differenc d calculation e laboratorie on (precisio alues with t dual accura icture of t -lab standa ness and t valuation, t the labs. S

s is, the bett the better t the rank 1 rank p to t uced from t treme resul improve th ces ns, es. on) the acy the ard the the So, ter the to the the lts. eir

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3.4 SCO □ The z labora ORES z-score is atory. It is d (Filled a perform defined by d markers lo ance statis ocates test stic that de s m y zi = i − on Lsup=520 epicts the 00 mm)

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Th W re in Th la where of the □ The k labora he interpret • score appro • 2 < sc mean • 3 < sc is fou (Out of participatin Warning s Action s When testing elative expa 2.3) for the he following boratories t 1. The to ƒ ƒ ƒ The fi comp These load), 2. The lo before of the 3. The d prove e s is the p e labs). k-score is a atory. It is d tation of the 2 ei ≤ : the t oximately in 3 corei ≤ : w n is found to i core : actio nd to fall ap f 16 ng labs) De signal 2 ignal g of a beam nded uncer e limiting de g paramete to improve t otal bending a bending a bending a bendin construct irst compon ponents are e componen , and stated oad shall be e the comm e loading. deflection m e to be stabi proficiency t a performan defined by ese scores i trueness pe the 95% ra warning sig o fall approx on signal, th pproximatel z-sc eflection Ra 2 labs - m with a fire rtainty of 11 eflection crit ers have be the quality o g moment g g moment c g moment c ng momen ion (aerated nent is unifo not uniform nts should b d separately e applied a mencement measureme ilised before esting stan nce statistic s simple: erformance ange of mor nal, the tru ximately in t he trueness y in the 0,3 core te of deflecti 2 labs -

4. MAI

resistance 1% on the te terion as we en identifie of their test generated in component g component g t compone d concrete s orm betwee m but well qu be clearly d y in any repo nd held in-b of the fire t nts shall be e commenc ndard deviat c that depi r i i s s k = of the lab re probabilit ueness perf the 5% rang s performan 3% range of on p

IN CONC

of approxim est result (= ell as for the

ed as poten process an n a beam re generated b generated b ent genera slabs). n the two c uadratic alo differentiate ort. between the test. The loa

e reported cing the fire

tion (standa cts the var is satisfact ty occurrenc formance o ge of less pr nce of the la f less proba (Out of 16 participating l Warning sig Action sign

CLUSION

mately 30 m m s 2 R = at a e limiting rat tial improve nd results. esults of sev by the point by the own ated by th entral loadi ong the bea d when disc e standard ad values s from the be test. ard deviatio iability and

tory (the lab ce values), f the lab is robability oc ab is unsati bility occurr 6 abs) Defle nal nal 4 l

NS

minutes, one confidence te of deflect ement. The veral compo t loading sys weight of th he dead lo ng points. T m. cussing with tolerances shall be repo eginning of on of the av thus the p b’s mean is s questiona ccurrence v isfactory (th rence value k-sco ection Rate - labs e could expe level of 95 tion. ese topics c onents: ystem; he beam; oad of the The second h a client (s from at lea orted from f the loadin verage resu precision of s found to f

able (the lab values), he lab’s me es). ore e of deflectio 2 labs 1 lab ect to reach %, see tabl could help t e associat d and the th setpoint of t st 15 minut the beginni ng. They sh ults f a fall b’s an n h a les the ted ird the tes ng hall

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4. Since the de nume A har amon 5. The s plotte beam This m than b ƒ ƒ ƒ ƒ e the curren eflection me erical differe rmonized c ngst the Eur steel tempe ed below an m section. means that by other cau the closen the devia curve, an the numb how conf cover slab nts standard easurement entiation me omputation ropean labs rature has d show tha t the test re uses. The la ness betwe tion in the a d therefore ber, location fined is the bs (this cou ds do not pr ts, each lab ethod. method fo s. been meas t the failure esults are p abs should een the furna

area of the the rate of n and orienta

area aroun uld affect the

rovide any boratory is f or the rate sured and re e occurs at a probably mu thus pay at ace temper furnace tem heating in t ation of the nd the beam e temperatu method to ree to comp of deflectio eported by a rather spe uch more in ttention to: rature and t mperature c the furnace plate therm m, dependi ure fields w compute th pute the rate on could be most of the ecific steel t nfluenced b he time-tem curve from , mometers, ng on the g hich applies he rate of d e of deflect e proposed e labs. The temperature by the heati mperature c the area of geometry o s to the bea eflection fro ion by its ow and adopt se values a e profile in t ng conditio urve, f the standa of the furna am). om wn ted are the ons ard ace

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