FireSafetyDayLuxembourg2011technicaldayThursday,May26,2011NovotelLuxembourgKirchberg-2226Luxembourg

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infosteelAvenue Ariane 5

B-1200 Brussels - Belgium

t. +32-2-509 15 01

f. +32-2-511 12 81

e. sophie.bermyn@infosteel.be

www.infosteel.be

Education and Culture DG

Lifelong Learning ProgrammeLEONARDO DA VINCI

Education and Culture DG

Lifelong Learning ProgrammeLEONARDO DA VINCI

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FRACOF project partners :

Fire Safety Day Luxembourg 2011 is an event organised by Infosteel in the context of the project FRACOF, the partners of which are the European programme ‘Leonardo da Vinci’, ANEFORE, ArcelorMittal and the CTICM.

This day has the objective of informing you about present developments in the area of fire regulations and the innovative technical solutions concerning the fire resistance of steel buildings.

There will be several presentations dealing with the FRACOF method, which makes it possible to verify the fire resistance of partially protected mixed floors, taking account of the membrane effect. A design guide and a reference document for the FRACOF method will be distributed to the participants in the day’s events.

The other thematic areas to be discussed at the Fire Safety Day Luxembourg 2011 are:

regulatory development in Luxembourg in the area of fire-safety ;the possibilities of using fire-safety engineering methods in verifying the fire resistance of structural elements ;demands and solutions regarding the fire-safety of façades ;fire protection systems for steel structures.

A case study will illustrate the design and verification of the fire resistance of steel structural elements using advanced methods and will describe the technical solutions employed.

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9:00 Welcomecoffee

9:30 FRACOF:Introductiontotheproject

9:45 FRACOF:ObservationofrealfiresandCardingtonFiretest

Large-scale fire tests conducted in a number of countries and observations of actual building fires have shown that the fire performance of composite steel-framed buildings is much bet-ter than is indicated by fire resistance tests on isolated elements. It is clear that there are large reserves of fire resistance in modern steel-framed buildings and that standard fire resistance tests on single unrestrained members do not provide a satisfactory indicator of the perform-ance of such structures.

Dr. Renata Obiala, ArcelorMittal

10:20 Break

10:50 FRACOF:NewExperimentalEvidenceandFiretest

The simple design method was developed mainly on the basis of full-scale natural fire. The design concept could also be applied in principle to fire design using the standard tem-perature-time curve. However, several questions require further investigation, such as the influence of long duration fires (up to 120 minutes) and different construction details. These considerations resulted in a furnace fire test being undertaken as part of the FRACOF project. The former was intended to provide experimental evidence about the behaviour of composite steel and concrete floors exposed to the standard temperature-time curve.

Dr. Olivier Vassart, ArcelorMittal

11:25 FRACOF:Simpledesignmethod

Prof. Colin Bailey (Building Research Establishment) developed a simple design method for com-posite steel concrete floor slabs following the experimental work at Cardington. Bailey’s method has been validated against the Cardington large-scale fire test results, previous experimental work conducted at room temperature and a new experimental campaign performed in furnaces with ISO fire. The simple design method differs from the simple design procedures provided in design codes, as it considers the behaviour of an assembly of structural members acting together, rather than individual elements.

Prof. Colin Bailey, University of Manchester

12:00 FRACOF:DesignexampleandFracofsoftware

This presentation contains a worked example based on a realistic composite floor plate. The building considered is a 4-storey steel-framed office building. The building requires 60 minutes fire resistance. This example will show that a partially protected steel structure can fulfill the R60 requirement using the prescriptive ISO fire curve.

Riccardo Zanon, Ir. ArcelorMittal

12:20 Lunch

Morning programme : FRACOF

In partnership with:

A.L.I.A.I.ASSOCIATION LUXEMBOURGEOISE

DES INGENIEURS, ARCHITECTES ET INDUSTRIELS

ASSOCIATION SANS BUT LUCRATIF SOUS LE PATRONAGE DE SON ALTESSE ROYALE LE GRAND-DUC

Untitled-2 1 1/04/2011 11:49:16

Address :

Novotel Luxembourg Kirchberg

6 rue Fort Niedergrünewald

Quartier Européen Nord

Plateau de Kirchberg

2226 LUXEMBOURG (LU)

www.iposteelnetwork.org

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13:30 FireregulationsintheGrand-DuchyofLuxembourg:currentstatus(*)

In the present regulations, the requirements are laid down in a prescriptive way and are ex-pressed according to the ISO 834 nominal fire curve. Some of the ITM technical instructions currently being drawn up will soon allow, as an acceptable alternative, the use of a perform-ance approach based on fire-safety engineering methods. The presentation will set forth these technical instructions, together with the conditions and procedures to be followed in order to apply them. In this context, the key points of the new national Luxembourg appen-dices to the Eurocodes will also be considered.

Robert Huberty, Assistant Director,Inspection of Work and Mines

14:15 Fire-safetyoffaçades–Requirementsandsolutions(*)

The façade is an important element of a building from the fire-safety point of view, because it can affect the spread of fires between storeys and between buildings. For this reason façades must show adequate performance regarding structural integrity and fire resistance. The presentation will outline the fire-safety requirements applicable to façades, together with the design solutions for making compliance possible.

Prof. Christoph Odenbreit and Dr. Oliver Hechler ArcelorMittal Chair of Façade Engineering, University of Luxembourg

14:45 Break

15:15 Passiveprotectionofsteelstructures(*)

In certain cases assessment by calculating fire resistance shows that thermal protection must be applied to steel structural elements. The variety of fire-protection solutions makes it possible to choose the most suitable systems, according to a series of criteria (rapidity of execution, visual aspect, ease of implementation etc.).The presentation will attempt to give an overall view of the fire-protection solutions available on the market with their inherent advantages, limitations and constraints.

Liesbeth Jacobs, PROMAT

15:45 CaseStudy:Swimmingpool‘SyrdallSchwemm’inNiederanven(LU)

The municipal association C.N.I. Syrdall Schwemm has just opened a new swimming pool in Niederanven with a structure made of steel. The building includes, besides the swimming pool, a wellness center and an office area. The engineering company Schroeder & Associates has used the ‘natural fire-safety concept’ to assess the fire resistance of structural elements. This approach allowed to determine which parts of the structure require a fire protection. The presentation will outline the methodology used, the dialogue between the designers and public authorities, and technical solutions retained.

Robert Jeworowski, Associate Schroeder & Associés

16:15 Drink

Afternoon programme

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13:30 LaréglementationincendieauGrand-DuchédeLuxembourg:étatdeslieux

Dans la réglementation actuelle, les exigences sont fixées de manière prescriptive et sont ex-primées suivant la courbe de feu nominale ISO 834. Des instructions techniques ITM en cours d’élaboration permettront prochainement, comme alternative acceptable, l’utilisation d’une approche performantielle basée sur les méthodes d’ingénierie de la sécurité incendie. La présentation donnera un aperçu de ces instructions techniques, ainsi que les conditions et procédures à respecter pour pouvoir les appliquer. Dans ce contexte, les lignes de force des nouvelles annexes nationales luxembourgeoises aux Eurocodes seront également évoquées.

Robert Huberty, Directeur adjointInspection du Travail et des Mines

14:15 Sécuritéincendiedesfaçades–Exigencesetsolutions

Les façades constituent un élément important du bâtiment du point de vue de la sécurité incendie, car elles peuvent influencer la propagation d’un incendie entre étages ou entre bâtiments. Pour cette raison, les façades doivent présenter les performances d’intégrité et de résistance au feu adéquates. L’exposé donnera un aperçu des exigences de sécurité incendie applicables aux façades, ainsi que les solutions de conception qui permettent d’y satisfaire.

Prof. Christoph Odenbreit et Dr. Oliver Hechler ArcelorMittal Chair of Façade Engineering, Université de Luxembourg

14:45 Pause

15:15 Protectionpassivedesstructuresenacier

Dans certains cas, l’évaluation par calcul de la résistance au feu montre qu’une protection thermique doit être appliquée sur les éléments structurels en acier. La diversité des solutions de protection au feu permet de faire le choix du système le plus adapté, en fonction de critè-res spécifiques (rapidité d’exécution, aspect visuel, facilité de mise en œuvre, …). L’exposé tentera de donner une vue d’ensemble des solutions de protection au feu disponi-bles sur le marché avec leurs avantages, limitations et contraintes propres.

Liesbeth Jacobs, PROMAT

15:45 Etudedecas:Piscine‘SyrdallSchwemm’àNiederanven(LU)

Le syndicat intercommunal C.N.I. Syrdall Schwemm vient d’inaugurer sa nouvelle piscine à Niederanven, dont la structure est réalisée en acier. Ce bâtiment comprend, outre la piscine, un centre de wellness et une zone de bureaux. Le bureau Schroeder & Associés a fait usage du concept de feux naturels dans la vérification de la résistance au feu des éléments structurels. Cette approche a permis de déterminer quelles parties de structure nécessitaient un système de protection au feu. La présentation donnera un aperçu de la méthodologie suivie, des interactions entre le bureau d’étude et les autorités publiques, et des solutions techniques retenues.

Robert Jeworowski, Administrateur Schroeder & Associés

16:15 Drink

Programme de l’après-midi

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