EN 302-4:2013
(Main)Adhesives for load-bearing timber structures - Test methods - Part 4: Determination of the effects of wood shrinkage on the shear strength
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
- Publication Date
- 26-Mar-2013
- Withdrawal Date
- 13-Apr-2025
- Technical Committee
- CEN/TC 193 - Adhesives
- Drafting Committee
- CEN/TC 193/SC 1 - Adhesives for wood and derived timber products
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 15-Feb-2023
- Completion Date
- 14-Apr-2025
Relations
- Effective Date
- 03-Apr-2013
- Effective Date
- 18-Sep-2019
Frequently Asked Questions
EN 302-4:2013 is a standard published by the European Committee for Standardization (CEN). 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.
EN 302-4:2013 is classified under the following ICS (International Classification for Standards) categories: 83.180 - Adhesives. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 302-4:2013 has the following relationships with other standards: It is inter standard links to EN 302-4:2004, EN 302-4:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase 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 CEN 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 EN 302-4:2013 constitue un document essentiel pour l'évaluation des adhésifs destinés aux structures en bois portantes, en particulier en ce qui concerne l'influence du retrait du bois sur la résistance au cisaillement. Avec un cadre clairement défini, cette norme précise une méthode pour déterminer l'effet du rétrécissement du bois sur la solidité des assemblages collés en conditions de séchage. Parmi ses points forts, la norme assure une évaluation rigoriste de la conformité des adhésifs avec d'autres normes européennes telles que l'EN 301, l'EN 15425, et le FprEN 16254. Cela garantit que les utilisateurs peuvent avoir confiance dans la qualité des adhésifs testés pour les structures en bois portantes. De plus, la norme s'applique à des matériaux spécifiques, comme l'épicéa norvégien (Picea abies L.), ce qui permet une contextualisation des résultats obtenus en prenant en compte les variabilités des différents types de bois. Un autre aspect critique de la norme est son objectif d’évaluer si un adhésif peut résister aux contraintes causées par le retrait du bois sans entraîner une perte de résistance inacceptable. Cela est particulièrement pertinent dans le domaine des constructions en bois, où la durabilité et la sécurité des assemblages sont primordiales. La classification des adhésifs basée sur leur performance dans des environnements climatiques définis renforce encore la pertinence de cette norme pour les professionnels de l'industrie. Il est important de noter que cette méthode ne vise pas à fournir des données de conception numériques, ce qui réduit le risque de malentendus quant à l'application des résultats. En somme, la norme EN 302-4:2013 se révèle être un outil indispensable pour garantir que les adhésifs utilisés dans les structures en bois portantes répondent aux exigences de performance requises dans des conditions réelles.
Die Norm EN 302-4:2013 ist ein bedeutendes Dokument für die Analyse der Eigenschaften von Klebstoffen in tragenden Holzbauwerken, insbesondere in Bezug auf die Auswirkungen von Holzschrumpfung auf die Scherfestigkeit. Besonders hervorzuheben ist der gezielte Ansatz zur Bestimmung, wie Holzschrumpfung unter Trockenbedingungen die Leistungsfähigkeit von Klebstoffen beeinflusst. Der Anwendungsbereich der Norm umfasst wesentliche Aspekte: Erstens dient sie zur Überprüfung der Konformität von Klebstoffen mit den Normen EN 301, EN 15425 und FprEN 16254, die für die Qualitätssicherung von Klebstoffen in der Holzbauindustrie unerlässlich sind. Zweitens unterstützt die Norm die Bewertung der Eignung und Qualität von Klebstoffen für tragende Holzstrukturen. Drittens bietet sie eine Methode zur Feststellung, ob der Klebstoff in der Lage ist, mechanische Beanspruchungen durch Holzschrumpfung ohne einen inakzeptablen Verlust der Festigkeit zu widerstehen. Dies ist von entscheidender Bedeutung, um die langfristige Integrität der Strukturen zu gewährleisten. Ein weiterer bemerkenswerter Punkt der Norm ist die Durchführung der Tests an Fichte (Picea abies L.), die aufgrund ihrer weit verbreiteten Verwendung in der Holzbauindustrie von besonderer Relevanz ist. Die in der Norm enthaltenen Testmethoden zielen darauf ab, aussagekräftige Leistungsdaten zu liefern, die zur Klassifikation von Klebstoffen in Bezug auf ihre Eignung für den Einsatz in definierten klimatischen Umgebungen genutzt werden können. Es ist wichtig zu beachten, dass die Norm nicht als Grundlage für numerische Entwurfsdaten gedacht ist und nicht unbedingt die Leistung des verbundenen Elements im tatsächlichen Einsatz widerspiegelt. Dennoch bleibt sie ein unverzichtbares Werkzeug für Ingenieure und Hersteller, da sie einen systematischen Rahmen zur Bewertung der darunter liegenden Materialeigenschaften bietet. Insgesamt hat die Norm EN 302-4:2013 durch ihre strukturierten Testmethoden und ihren spezifischen Anwendungsbereich das Potenzial, die Qualität und Sicherheit von Klebstoffen in tragenden Holzbauwerken signifikant zu verbessern.
標準EN 302-4:2013は、荷重支持となる木構造に使用される接着剤に関するテスト方法を規定しており、特に木材の収縮がせん断強度に与える影響を評価するための方法を明確に設定しています。この標準の適用範囲は広く、接着剤がEN 301、EN 15425、FprEN 16254に準拠しているかどうかの評価、荷重支持木構造における接着剤の適合性や品質の評価、さらに木材収縮による応力に耐える能力を持つかどうかを判断するために必要です。 このテストは、定義された気候条件下での使用に適した接着剤を分類するための性能データを取得することを主な目的としています。また、特にノルウェースプルース(Picea abies L.)を用いて実施されるため、一般的な木材の動きに適応した具体的なプロセスを提供します。 EN 302-4:2013の強みは、接着剤が収縮による応力に抵抗できるかどうかを明確に判断できる点にあります。このプロセスを通じて、木構造の安全性を確保するための信頼性の高い基準が提供され、荷重支持木構造における接着剤の性能を向上させることに寄与します。 ただし、この標準は数値設計データを提供することを目的としておらず、使用される接着剤の実際の性能を必ずしも代表するものではありません。したがって、接着剤の選定や木構造の設計では、他の関連する規格や実践と組み合わせて使用することが推奨されます。このように、EN 302-4:2013は木構造における接着剤の評価において不可欠な役割を果たし、安全で信頼性の高い構造物の実現に寄与します。
The standard EN 302-4:2013 provides a comprehensive framework for evaluating adhesives used in load-bearing timber structures, specifically focusing on the effects of wood shrinkage on shear strength. This document establishes a clear methodology for assessing how wood shrinkage under drying conditions influences crosswise gluing shear strength, which is critical for the structural integrity of timber constructions. One of the notable strengths of this standard is its detailed approach to compliance testing, as it encompasses assessments against established norms such as EN 301, EN 15425, and FprEN 16254. This not only ensures that the adhesives meet rigorous quality and performance benchmarks but also enhances their applicability in diverse climatic environments. Consequently, the standard is vital for manufacturers and engineers seeking to ensure that the adhesives they use can withstand stresses from wood shrinkage without significant strength loss. Additionally, EN 302-4:2013 is particularly relevant for those involved in the design and construction of load-bearing timber structures, as it aids in determining the suitability and quality of adhesives for specific applications. By focusing on Norway spruce (Picea abies L.) during testing, the standard grounds its methodology in a commonly used species, thereby enhancing the relevance of its findings to practical scenarios in the timber industry. However, it is crucial to note that the standard is not intended to yield numerical design data. Instead, its primary objective is to provide performance data for the classification of adhesives, ensuring their effectiveness under expected conditions. This delineation of scope clarifies expectations for users and emphasizes the standard's role in quality assurance rather than structural design optimization. Overall, EN 302-4:2013 stands out as a vital resource for assessing the performance of adhesives in load-bearing timber structures, given its focus on wood shrinkage effects and the rigorous testing criteria it sets forth. Its relevance extends to developers and quality control professionals who prioritize durability and structural safety in their adhesive selections.
EN 302-4:2013 표준 문서는 하중이 가해지는 목재 구조물에 사용되는 접착제의 품질과 적합성을 평가하기 위한 중요한 테스트 방법을 규명합니다. 이 문서의 주요 초점은 목재 수축이 접착제의 전단 강도에 미치는 영향을 결정하는 것으로, 이는 건축 및 구조 공학 분야에서 필수적인 참고자료가 됩니다. 이 표준의 주요 강점 중 하나는 접착제의 성능 데이터를 수집하여 하중이 가해지는 목재 구조물에 적합한지 평가할 수 있도록 돕는 것입니다. EN 301, EN 15425 및 FprEN 16254와 같은 기존 표준과의 일관성을 유지하며, 접착제가 건조 조건에서 목재의 수축으로 인한 응력을 견딜 수 있는지를 검증하는 프로세스를 설정합니다. 이는 접착제가 열악한 기후 환경에서도 장기적으로 견딜 수 있는지를 평가할 수 있는 기초 자료를 제공합니다. 또한, 이 표준은 노르웨이 가문비나무(Picea abies L.)를 대상으로 하여, 목재가 특정 조건에서 수축할 때 접착제가 어떻게 반응하는지를 관찰할 수 있어, 실제 적용 시 매우 유용한 정보를 제공합니다. 그러나 이 방법은 수치 설계 데이터를 제공하기 위한 것이 아니며, 따라서 현장에서의 성능을 반드시 대표하지는 않습니다. 결국, EN 302-4:2013 표준은 하중이 가해지는 목재 구조물의 안전성과 내구성 향상을 위한 필수적인 기준을 제공하며, 접착제의 품질 보증을 위한 객관적인 테스트 방법이 됩니다. 이러한 점에서 이 표준은 목재 구조설계 및 건축 작업에 있어 필수적으로 참조 되어야 할 중요한 문서입니다.










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