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EUROCODE 5

Objective

- TO IDENTIFY DIFFERENCES BETWEEN GRADING SYSTEMS OF THE DIFFERENT COUNTRIES AND SYSTEMS IN THE COMMUNITY.
- TO ESTABLISH STANDARDISED PROCEDURES FOR SAMPLING, TESTING, COLLATING, ANALYSIS ON EUROPEAN TIMBERS IN ORDER TO OBTAIN CHARACTERISTIC VALUES.

WITH THE INTRODUCTION OF THE TIMBER DESIGN CODE EC 5, WHICH WILL HAVE AUTHORITY THROUGHOUT THE EUROPEAN COMMUNITY, IT IS IMPORTANT THAT INTERNATIONAL AGREEMENT CAN BE REACHED ON A STANDARDISED METHOD FOR DETERMINING CHARACTERISTIC STRENGTH VALUE FOR STRESS GRADED TIMBER.

DIFFERENT COUNTRIES HAVE DEVELOPED THEIR OWN GRADING SYSTEM WHICH SUIT THEIR SPECIES, MARKET CONDITIONS AND STRUCTURAL DEMANDS, AND IT IS UNLIKELY THAT ONE GRADING SYSTEM WOULD FIND FAVOUR WITH ALL OF THEM.
THE AIM SHOULD THEREFORE BE TO ASSIGN THE VARIOUS GRADING SYSTEMS TO THE STRENGTH CLASSES, AND FOR THIS A STANDARISED METHOD FOR DERIVING CHARACTERISTIC VALUES IS ESSENTIAL.

THE RESEARCH WORK IS DIVIDED IN :
- COMPARISON ABOUT NATIONAL AND EEC GRADING RULES BY TESTING 500 SAMPLES OF BOTH "STITKA SPRUCE" AND "NORWAY SPRUCE".
- COLLECT DETAILED INFORMATION ON NATIONAL RULES FOR DERIVATION OF CHARACTERISTIC VALUES AND ESTABLISH STANDARD PROCEDURES.

Topic(s)

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Call for proposal

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Coordinator

Institutet för Träteknisk Forskning -Trätek
Address
67,drottning Kristinas Väg
114 86 Stockholm
Sweden

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Participants (11)

CTIB - BRUXELLES
Belgium
Centre Technique du Bois et de l'Ameublement (CTBA)
France
Address

Paris

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EOLAS - DUBLIN
Ireland
INIA - MADRID
Spain
LABORATOTIO NACIONAL DE ENGENHARIA CIVIL - LISBON
Portugal
LUDWIG-MAXIMILIANS UNIVERSITY OF MUNICH
Germany
Address
Geschwister-scholl-platz 1
80539 Muenchen

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MINISTRY OF AGRICULTURE - ATHENS
Greece
TNO - DELFT
Netherlands
Timber Research and Development Association (TRADA)
United Kingdom
UNIVERSITY OF DENMARK - LYNGBY
Denmark
Università degli Studi di Firenze
Italy
Address

Firenze

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