Adhesives for load-bearing timber structures - Test methods - Part 4: Determination of the effects of wood shrinkage on the shear strength

This European Standard specifies a method for determining the influence of shear strength in crosswise gluing by wood shrinkage under drying conditions.
It is suitable for the following applications:
a)   for assessing the compliance of adhesives with EN 301, EN 15425 and FprEN 16254;
b)   for assessing the suitability and quality of adhesives for load-bearing timber structures;
c)   for determining if the adhesive is capable of withstanding stresses due to wood shrinkage without unacceptable loss of strength.
This test is intended primarily to obtain performance data for the classification of adhesives for load-bearing timber structures according to their suitability for use in defined climatic environments. This test is carried out on Norway spruce (Picea abies L.).
This method is not intended for use to provide numerical design data and does not necessarily represent the performance of the bonded member in service.

Klebstoffe für tragende Holzbauteile - Prüfverfahren - Teil 4: Bestimmung des Einflusses von Holzschwindung auf die Scherfestigkeit

Diese Europäische Norm ein Verfahren zur Bestimmung des Einflusses von Holzschwindung unter Trocknungsbedingungen auf die Scherfestigkeit bei kreuzweiser Verklebung fest.
Sie ist für folgende Anwendungsfälle geeignet:
a)   zur Beurteilung der Übereinstimmung von Klebstoffen mit EN 301, EN 15425 und prEN 16254;
b)   zur Beurteilung der Eignung und Qualität von Klebstoffen für tragende Holzbauteile;
c)   zum Nachweis, ob der Klebstoff in der Lage ist, den Spannungen infolge Holzschwindung ohne unannehmbaren Festigkeitsverlust standzuhalten.
Diese Prüfung dient hauptsächlich der Ermittlung von Leistungswerten für die Klassifizierung von Klebstoffen für tragende Holzbauteile entsprechend ihrer Eignung zum Einsatz unter festgelegten klimatischen Bedingungen. Diese Prüfung wird mit Fichte (Picea abies L.) durchgeführt.
Dieses Verfahren ist nicht dafür vorgesehen, Bemessungswerte bereitzustellen und gibt nicht zwangsläufig die Leistungsfähigkeit des verklebten Bauteiles in Gebrauch wieder.

Adhésifs pour structures portantes en bois - Méthodes d'essai - Partie 4: Détermination de l’influence du retrait du bois sur la résistance au cisaillement

La présente Norme européenne décrit une méthode permettant de déterminer l'effet du retrait du bois dans des conditions de séchage sur la résistance au cisaillement de collages croisés.
Elle concerne les applications suivantes :
a)   évaluation de la conformité des adhésifs à l'EN 301, à l'EN 15425 et au prEN 16254 ;
b)   évaluation de l'aptitude à l'emploi et de la qualité des adhésifs pour les structures portantes en bois ;
c)   détermination de la capacité des adhésifs à supporter des contraintes dues au retrait du bois sans perte de résistance inacceptable.
Le présent essai est principalement destiné à obtenir des données de performances en vue de la classification des adhésifs pour les structures portantes en bois en fonction de leur aptitude à l'utilisation dans des environnements climatiques définis. Cet essai est réalisé sur de l’épicéa (Picea abies L.).
Cette méthode n'est pas destinée à fournir des données de conception numérique et ne représente pas nécessairement les performances de l'élément collé dans son application.

Lepila za nosilne lesene konstrukcije - Preskusne metode - 4. del: Ugotavljanje vpliva krčenja lesa na strižno trdnost

Ta del standarda EN 302 določa metodo za ugotavljanje, do kakšne mere krčenje lesa med sušenjem oslabi sprijemanje lepila. Metoda se uporablja za: a) oceno skladnosti lepil s standardom EN 301; b) oceno ustreznosti in kakovosti lepil za nosilne lesene konstrukcije; c) ugotavljanje, ali lahko lepilo prenese obremenitve zaradi krčenja lesa brez nesprejemljive izgube trdnosti. Ta preskus je namenjen zlasti pridobivanju podatkov o lastnostih za razvrstitev lepil za nosilne lesene konstrukcije glede na njihovo ustreznost za uporabo v opredeljenih podnebnih okoljih. Pri tem poskusu se uporablja smreka (Picea abies L.). Ta metoda ni namenjena za zagotavljanje številčnih podatkov o zasnovi, pri čemer ne predstavlja nujno lastnosti zlepljenega elementa v uporabi. Ni namenjena za oceno ustreznosti lepil za proizvodnjo lesnih plošč.

General Information

Status
Withdrawn
Public Enquiry End Date
24-Sep-2011
Publication Date
15-Apr-2013
Withdrawal Date
26-Feb-2023
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
24-Feb-2023
Due Date
19-Mar-2023
Completion Date
27-Feb-2023

Relations

Effective Date
01-May-2013
Effective Date
19-Jan-2023
Effective Date
13-Jun-2009

Frequently Asked Questions

SIST EN 302-4:2013 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Adhesives for load-bearing timber structures - Test methods - Part 4: Determination of the effects of wood shrinkage on the shear strength". This standard covers: This European Standard specifies a method for determining the influence of shear strength in crosswise gluing by wood shrinkage under drying conditions. It is suitable for the following applications: a) for assessing the compliance of adhesives with EN 301, EN 15425 and FprEN 16254; b) for assessing the suitability and quality of adhesives for load-bearing timber structures; c) for determining if the adhesive is capable of withstanding stresses due to wood shrinkage without unacceptable loss of strength. This test is intended primarily to obtain performance data for the classification of adhesives for load-bearing timber structures according to their suitability for use in defined climatic environments. This test is carried out on Norway spruce (Picea abies L.). This method is not intended for use to provide numerical design data and does not necessarily represent the performance of the bonded member in service.

This European Standard specifies a method for determining the influence of shear strength in crosswise gluing by wood shrinkage under drying conditions. It is suitable for the following applications: a) for assessing the compliance of adhesives with EN 301, EN 15425 and FprEN 16254; b) for assessing the suitability and quality of adhesives for load-bearing timber structures; c) for determining if the adhesive is capable of withstanding stresses due to wood shrinkage without unacceptable loss of strength. This test is intended primarily to obtain performance data for the classification of adhesives for load-bearing timber structures according to their suitability for use in defined climatic environments. This test is carried out on Norway spruce (Picea abies L.). This method is not intended for use to provide numerical design data and does not necessarily represent the performance of the bonded member in service.

SIST EN 302-4:2013 is classified under the following ICS (International Classification for Standards) categories: 83.180 - Adhesives; 91.080.20 - Timber structures. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 302-4:2013 has the following relationships with other standards: It is inter standard links to SIST EN 302-4:2004, SIST EN 302-4:2023, SIST EN 302-4:2004. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase SIST EN 302-4:2013 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Klebstoffe für tragende Holzbauteile - Prüfverfahren - Teil 4: Bestimmung des Einflusses von Holzschwindung auf die ScherfestigkeitAdhésifs pour structures portantes en bois - Méthodes d'essai - Partie 4: Détermination de l’influence du retrait du bois sur la résistance au cisaillementAdhesives for load-bearing timber structures - Test methods - Part 4: Determination of the effects of wood shrinkage on the shear strength91.080.20Lesene konstrukcijeTimber structures83.180LepilaAdhesivesICS:Ta slovenski standard je istoveten z:EN 302-4:2013SIST EN 302-4:2013en,de01-maj-2013SIST EN 302-4:2013SLOVENSKI
STANDARDSIST EN 302-4:20041DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 302-4
March 2013 ICS 83.180 Supersedes EN 302-4:2004English Version
Adhesives for load-bearing timber structures - Test methods - Part 4: Determination of the effects of wood shrinkage on the shear strength
Adhésifs pour structures portantes en bois - Méthodes d'essai - Partie 4: Détermination de l'influence du retrait du bois sur la résistance au cisaillement
Klebstoffe für tragende Holzbauteile - Prüfverfahren - Teil 4: Bestimmung des Einflusses von Holzschwindung auf die Scherfestigkeit This European Standard was approved by CEN on 5 February 2013.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 302-4:2013: ESIST EN 302-4:2013

 Part 1: Determination of longitudinal tensile shear strength  Part 2: Determination of resistance to delamination  Part 3: Determination of the effect of acid damage to wood fibres by temperature and humidity cycling on the transverse tensile strength  Part 4: Determination of the effects of wood shrinkage on the shear strength  Part 5: Determination of maximum assembly time under referenced conditions  Part 6: Determination of the minimum pressing time under referenced conditions  Part 7: Determination of the working life under referenced conditions EN 15416, Adhesives for load bearing timber structures other than phenolic and aminoplastic — Test methods  Part 2: Static load test of multiple bondline specimens in compression shear  Part 3: Creep deformation test at cyclic climate conditions with specimens loaded in bending shear  Part 4: Determination of open assembly time for one component polyurethane adhesives  Part 5: Determination of conventional pressing time Safety statement Persons using this document should be familiar with the normal laboratory practice, if applicable. This document cannot address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any regulatory conditions. SIST EN 302-4:2013

b) for assessing the suitability and quality of adhesives for load-bearing timber structures; c) for determining if the adhesive is capable of withstanding stresses due to wood shrinkage without unacceptable loss of strength.
This test is intended primarily to obtain performance data for the classification of adhesives for load-bearing timber structures according to their suitability for use in defined climatic environments. This test is carried out on Norway spruce (Picea abies L.).
This method is not intended for use to provide numerical design data and does not necessarily represent the performance of the bonded member in service.
2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 301, Adhesives, phe
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La norme SIST EN 302-4:2013 est un document clé qui se concentre sur les méthodes d'essai des adhésifs pour structures en bois portantes, spécifiquement la détermination des effets du retrait du bois sur la résistance au cisaillement. Son champ d'application est précis et se limite à des aspects cruciaux pour l'industrie du bois. L'un des points forts de cette norme réside dans sa capacité à évaluer la conformité des adhésifs avec d'autres standards, tels que EN 301, EN 15425 et FprEN 16254. Cela renforce la confiance des utilisateurs et des fabricants en garantissant que les produits respectent des critères de qualité établis. De plus, la norme permet d’évaluer la qualité et la pertinence des adhésifs spécifiquement pour les structures en bois portantes, un aspect essentiel dans la construction où la sécurité et la durabilité sont primordiales. Une autre force de cette norme est son approche spécifique à l'effet du retrait du bois, en particulier pendant le séchage, sur la résistance au cisaillement. En se concentrant sur le sapin de Norvège (Picea abies L.), la norme fournit des données de performance qui sont essentielles pour classifier les adhésifs en fonction de leur adéquation à des environnements climatiques définis. Cela permet aux ingénieurs et aux concepteurs de choisir les bons matériaux en fonction des conditions d'utilisation prévues, ce qui est crucial pour la longévité des structures. Cependant, il convient de noter que la norme ne vise pas à fournir des données numériques pour la conception et ne représente pas nécessairement les performances du membre collé en service. Cela souligne l'importance pour les utilisateurs de combiner ces tests avec d'autres évaluations pour une compréhension complète des performances en conditions réelles. Dans l'ensemble, la norme SIST EN 302-4:2013 se révèle être un document essentiel pour le secteur. Sa pertinence et sa clarté dans l'évaluation des adhésifs pour les structures en bois portantes font d'elle un outil incontournable pour garantir la sécurité et la performance dans la construction.

SIST EN 302-4:2013 표준은 하중을 지탱하는 목재 구조물에 사용하는 접착제의 성능을 평가하기 위한 중요성을 강조합니다. 이 표준의 주요 범위는 목재 수축이 교차 접착에서 전단 강도에 미치는 영향을 결정하는 테스트 방법을 규명하는 것입니다. 이 표준의 강점 중 하나는 EN 301, EN 15425 및 FprEN 16254와의 준수를 평가할 수 있는 방법을 확립했다는 점입니다. 이를 통해 접착제의 품질과 하중을 지탱하는 목재 구조물에 대한 적합성을 평가할 수 있습니다. 또한, 접착제가 목재 수축으로 인한 스트레스를 견딜 수 있는지 여부를 확인하고, 그에 따른 강도 손실이 허용 가능한 수준 내에 있는지를 판단하는 데 중요한 데이터 제공이 가능합니다. 특히, 이 테스트는 노르웨이 가문비나무(Picea abies L.)를 사용하여 수행되며, 다양한 기후 조건에서의 적합성을 기초로 접착제를 분류할 수 있는 성능 데이터를 제공하는 데 중점을 둡니다. 이로 인해, SIST EN 302-4:2013 표준은 하중을 지탱하는 목재 구조물의 접착제 선택에 있어 신뢰할 수 있는 기준을 제시하고 있습니다. 마지막으로, 이 표준은 수치 설계 데이터를 제공하는 데 사용되지 않으며, 서비스 조건에서의 결합된 구성 요소의 성능을 반드시 반영하지 않는 점을 명확히 하고 있습니다. 이는 사용자가 실제 환경에서 접착제의 행동을 고려하기 위한 중요한 사항입니다. 이러한 점에서 SIST EN 302-4:2013은 하중지지 목재 구조물에서 접착제를 평가하고 선택하는 과정에서 필수적인 지침을 제공합니다.

Die SIST EN 302-4:2013 ist eine bedeutende europäische Norm, die sich auf die Prüfmethoden von Klebstoffen für tragende Holzstrukturen konzentriert. Ihr spezifischer Fokus liegt auf der Bestimmung der Auswirkungen von Holzschrumpfung auf die Scherfestigkeit, insbesondere bei querdimensionalem Verkleben unter Trockenbedingungen. Diese Norm ist von großer Relevanz für die Bewertung von Klebstoffen, da sie verschiedene wesentliche Aspekte der Holzbauindustrie abdeckt. Ein herausragendes Merkmal der Norm ist ihre Anwendbarkeit. Sie ermöglicht die Evaluierung der Einhaltung von bestehenden Normen wie EN 301, EN 15425 und FprEN 16254, was eine wichtige Grundlage für die Qualitätssicherung in der Produktion und Verwendung von Klebstoffen für tragende Holzstrukturen darstellt. In diesem Zusammenhang bietet die Norm eine wertvolle Testmethode zur Beurteilung der Eignung und Qualität von Klebstoffen und hilft dabei, sicherzustellen, dass die verwendeten Produkte den strengen Anforderungen der Branche entsprechen. Ein weiterer bedeutender Punkt der SIST EN 302-4:2013 ist die Feststellung, ob ein Klebstoff in der Lage ist, den durch Holzschrumpfung verursachten Spannungen standzuhalten, ohne dass es zu einem inakzeptablen Verlust der Festigkeit kommt. Dies ist insbesondere für Anwendungen in spezifischen klimatischen Umgebungen relevant, da unterschiedliche Umgebungsbedingungen die Leistung des Klebstoffs erheblich beeinflussen können. Diese Norm trägt somit dazu bei, eine zuverlässige Grundlage für die Klassifikation von Klebstoffen zu schaffen und deren Eignung für tragende Holzstrukturen zu bewerten. Die Durchführung der Tests an Fichtenholz (Picea abies L.) verdeutlicht das praxisnahe Design dieser Norm. Die spezifische Auswahl des Materials ermöglicht eine realistische Bewertung der Leistungsdaten von Klebstoffen unter den tatsächlichen Bedingungen in der Holzverarbeitung und dem Holzbau. Es ist jedoch wichtig zu beachten, dass die Norm nicht dazu dient, numerische Entwurfsdaten zu liefern. Stattdessen konzentriert sie sich darauf, Leistungsdaten zu generieren, die für die Klassifikation von Klebstoffen wichtig sind. Dies fördert ein besseres Verständnis der spezifischen Eigenschaften der eingesetzten Klebstoffe in tragenden Holzstrukturen und unterstützt Fachleute in der Branche dabei, informierte Entscheidungen zu treffen. Insgesamt bietet die SIST EN 302-4:2013 eine umfassende und praxisnahe Prüfung von Klebstoffen für tragende Holzstrukturen, die sowohl die Qualität als auch die Eignung für unterschiedliche Anwendungsbereiche bewertet. Ihre Relevanz in der Holzbauindustrie ist unbestreitbar und stellt einen wichtigen Baustein für die Sicherheit und Zuverlässigkeit von Holzbauprojekten dar.

The standard SIST EN 302-4:2013 provides a crucial framework for evaluating adhesives used in load-bearing timber structures, focusing specifically on their shear strength when subjected to wood shrinkage under drying conditions. This standard is pivotal for anyone involved in the selection and application of adhesives in construction, as it directly pertains to their reliability and performance. One of the significant strengths of this standard is its clear specification of test methods that assess the compliance of adhesives with existing standards such as EN 301 and EN 15425. By establishing a benchmark for quality and suitability, it facilitates informed decision-making for engineers and manufacturers in the adhesive market. Moreover, the emphasis on determining the adhesive's capability to withstand stresses induced by wood shrinkage is particularly relevant, given the environmental fluctuations that timber structures may face. Furthermore, SIST EN 302-4:2013 focuses on Norway spruce (Picea abies L.), a widely used material in construction. This specificity enhances the standard’s applicability and relevance in practical scenarios. It ensures that the adhesives tested are not only compliant with regulatory requirements but also inherently capable of maintaining structural integrity throughout their service life. However, it is important to note that the standard is not designed to provide numerical design data. This limitation indicates that while it offers performance insights, designers should use additional resources to develop comprehensive specifications for load-bearing elements in practical applications. Overall, SIST EN 302-4:2013 stands out as a vital resource for assessing the suitability and performance of adhesives in load-bearing timber structures, reinforcing quality assurance within the industry. Its focus on shear strength and wood shrinkage positions it as a necessary tool for professionals aiming to ensure safety and durability in timber construction.

SIST EN 302-4:2013は、荷重支持木構造用接着剤のテスト方法に関する標準であり、特に乾燥条件下における木材の収縮がせん断強度に与える影響を明らかにするための方法を規定しています。この標準は、さまざまな接着剤の評価において重要な役割を果たしており、以下の点で特に強みがあります。 まず、この標準の範囲は非常に明確で、接着剤がEN 301、EN 15425およびFprEN 16254の規定に準拠しているかどうかを評価するための方法を提供します。また、荷重支持木構造用接着剤の適用性と品質を評価するためにも使用でき、これによって建築業界における安全性が確保されます。 次に、接着剤が木材の収縮によるストレスに耐える能力を測定することに重点が置かれている点がこの標準の大きな強みです。これにより、木材構造物の設計者は、実際の気候条件において接着剤が持つべき性能データを得ることができ、材料の選定がより科学的で信頼性の高いものとなります。 さらに、このテストはノルウェースプルース(Picea abies L.)を用いて実施されるため、特定の木材種に対する適用性を考慮した実績が得られます。これにより、接着剤の性能評価の精度が向上し、技術者がより適切な接着剤を選択するための信頼性が増します。 要するに、SIST EN 302-4:2013は、荷重支持木構造用接着剤に関するテスト方法において非常に重要な標準であり、その適用範囲、評価手法、そして安全性の向上に寄与する点において極めて意義深いものです。