162 C. Pagella

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IE IECEI

C , II C

1Procoat Aitiva PoliTo, Giornate sui PV, Torino 13.05.2014

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I

I F

F

F &

Procoat Aitiva PoliTo, Giornate sui PV, Torino 13.05.2014 2

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3

I

Char buildup (T > 200-250 C)

Thermal insulating char layer (expansion ratio 1:50 to 1:100)

Procoat Aitiva PoliTo, Giornate sui PV, Torino 13.05.2014

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C ( )E.

D ( ) E. A = A

E ( )E.

L () E. , ,


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Prof. Serge Bourbigot

Universite de Lille, France

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I

Intumescent coating in the cone calorimeter

(S. Bourbigot, University of Lille, 2008)


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A

E : 1:100 ( 1:70 1:80)

: < 0,01 /K .. 10

: 2 ( 120)

acrylic intumescent paint for steel intumescent clearcoat for wood


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8

0.0

0.1

0.2

0.3

0.4

0.5

0 200 400 600 800 1000 1200

Temperature (oC)

Thermalconductivity(W/moC)

closed profiles

open profiles

Effective thermal conductivity vs. temperatureFSD, (2002), Sweden


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9

I

Steel

Sandblasted

PRIMER

INTUMESCENTCOATING

TOPCOAT


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1960s Scientific studies

Pioneering applications

1980s Industrial use

1990s Improved testing methods

2000s European standardization


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F

E E 4,000

80,000

E

1% GD


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F

D ()

A + (E)

L (I)

C

B /

( )


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13

F

Pictures courtesy prof. RyszardKozowski, Institute of Natural Fibres, Poznan


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F

(HI = H I )

Procoat Aitiva PoliTo, Giornate sui PV, Torino 13.05.2014Source: ENFIRO, EU research project FP7: 226563

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15

F

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.

L

.

E

.


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17

:


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D

Tcr = 550 C Tcr = 650 C

R (minutes) 15 30 45 60 90 15 30 45 60 90

mass factor

(m

-1

)

Dry Film Thickness (DFT) Dry Film Thickness (DFT)

40 300 300 300 300 530 300 300 300 300 34760 300 300 300 458 885 300 300 300 300 62280 300 300 392 664 1210 300 300 300 436 874

100 300 300 527 854 1508 300 300 317 580 1106120 300 300 652 1029 1784 300 300 410 714 1320140 300 344 767 1191 2038 300 300 496 837 1518160 300 408 875 1341 2275 300 300 576 951 1702180 300 468 974 1481 2494 300 300 650 1058 1873200 300 523 1067 1611 2699 300 300 720 1157 2033220 300 575 1154 1733 2891 300 318 784 1250 2182240 300 624 1236 1847 3070 300 353 845 1337 2322260 300 670 1312 1954 3239 300 385 902 1419 2453280 300 713 1384 2055 3397 300 415 956 1496 2577300 300 754 1452 2150 3547 300 444 1006 1569 2694

320 300 792 1516 2240 3688 300 471 1054 1637 2804340 300 828 1576 2325 3821 300 496 1099 1702 2908360 300 862 1634 2405 3947 300 521 1142 1764 3007380 300 895 1688 2481 4067 300 544 1183 1822 3100400 300 926 1739 2553 4181 300 565 1221 1877 3189


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I .

+++

F +++

+++

/DF +++

L +++

L ++

1560 +++

90120 +

E +/

D ?


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I

..

( )


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21

& Eurocodes EN 1992-1-2, EN 1993-1-2, EN 1994-1-2, EN 1995-1-2, EN

1996-1-2, EN 1999-1-2

EU product classification Resistance-to-fire: EN 13501-2, EN 13501-3Reaction-to-fire: Decision 2000/147/CE

Standard fire ISO 834

Furnace standards EN 1963-1, EN1363-2

Standard reaction-to fire

test methods

EN ISO 1882, EN ISO 1716, EN 13823 (SBI), EN ISO

11925-2, EN ISO 9239-1

Standard resistance-to-fire test methods

ENV 13381-1: Horizontal protective membranesENV 13381-2: Vertical protective membranesENV 13381-3: Applied protection to concrete members

ENV 13381-4: Applied protection to steel members

ENV 13381-5: Applied protection to concrete/profiled sheetsteel composite membersENV 13381-6: Applied protection to concrete filled hollowsteel columnsENV 13381-7: Applied protection to timber membersENV 13381-8 Applied reactive protection to steel members


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F ( )

ENV 13381-4 test setup, before and after the test


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F

(photo: courtesy Pavus)

()


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( )

( )

? 0

200

400

600

800

0 10 20 30 40 50 60 70 80 90Time (min)

Temperature(oC)

Experimental

EC3 prediction

FEA

Wickstrom's method

Heating curve

Kang Hai Tan et al., 2004


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G !

:

.@.


162 C. Pagella

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