EN 846-4:2001/A1:2004

Methods of test for ancillary components for masonry - Part 4: Determination of load capacity and load-deflection characteristics of straps

This European Standard specifies methods for determining the load capacity and load-deflection characteristics of restraint straps fixed to timber joists, rafters and timber wall plates and masonry walls.

Prüfverfahren für Ergänzungsbauteile für Mauerwerk - Teil 4: Bestimmung der Festigkeit und der Last-Verformungseigenschaften von Bändern

Méthodes d'essai des composants accessoires de maçonnerie - Partie 4: Détermination de la résistance et de la rigidité des brides de fixation

Metode preskušanja dodatnih komponent zidovine – 4. del: Določanje nosilnosti in lastnosti sila-pomik trakov

General Information

• Status: Published
• Publication Date: 05-Oct-2004
• Withdrawal Date: 30-Jul-2006
• ICS: 91.080.30 - Masonry
• Technical Committee: CEN/TC 125 - Masonry
• Drafting Committee: CEN/TC 125/WG 4 - Test methods
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 06-Oct-2004
• Completion Date: 06-Oct-2004
• Ref Project: SIST EN 846-4:2004/A1:2004 - Methods of test for ancillary components for masonry - Part 4: Determination of load capacity and load-deflection characteristics of straps

Relations

• Amends: EN 846-4:2001 - Methods of test for ancillary components for masonry - Part 4: Determination of load capacity and load-deflection characteristics of straps
• Effective Date: 22-Dec-2008

Overview

EN 846-4:2001/A1:2004 is a European Standard developed by the European Committee for Standardization (CEN) that specifies test methods for ancillary components used in masonry construction. This particular part-Part 4-focuses on the determination of load capacity and load-deflection characteristics of restraint straps. These straps are critical components fixed to timber elements such as joists, rafters, and wall plates, as well as masonry walls, providing essential restraint and structural integrity.

An amendment (A1:2004) refines the original 2001 standard, updating testing procedures to ensure greater accuracy and compliance across European nations. Its adoption is mandatory within CEN member countries, helping unify standards relating to masonry construction components.

Key Topics

• Load Capacity Testing
  EN 846-4:2001/A1:2004 describes standardized methods for quantifying the maximum load that restraint straps can withstand before failure. This is crucial for safety assessments and design validation in masonry structures.

• Load-Deflection Characteristics
  The standard outlines procedures to measure how restraint straps deform under increasing load, providing insight into their stiffness and flexibility. Understanding these load-deflection behaviors helps engineers predict performance under service conditions.

• Application of Precompression
  A significant amendment in this standard concerns the vertical precompression applied during testing. It adjusts from a previous 10 kN/m to a precise 0.4 N/mm unless otherwise specified, improving the repeatability and reliability of results.

• Test Reporting Requirements
  The updated standard emphasizes the importance of noting precompression conditions when reporting test results related to load and deflection, ensuring clear and comparable documentation.

Applications

This standard is vital for manufacturers, engineers, and quality assurance personnel involved in the design, fabrication, and installation of masonry ancillary components, particularly restraint straps. Practical applications include:

• Structural Safety Verification
  Ensuring restraint straps meet load-bearing and deformation requirements for timber-to-masonry connections enhances overall building safety and durability.

• Product Development & Certification
  Manufacturers utilize these test methods to certify their products according to European safety regulations, facilitating market access and compliance.

• Repair and Retrofitting
  Engineers can assess existing structures by testing installed components or specifying appropriate restraint straps during strengthening works.

• Building Code Compliance
  Adhering to EN 846-4:2001/A1:2004 helps construction professionals meet national and regional building codes influenced by harmonized European standards.

Related Standards

EN 846-4:2001/A1:2004 is part of a larger series addressing ancillary components for masonry, including:

• EN 846 (Part 1 to 6) – Covers multiple aspects of testing for masonry ancillary parts, such as wall ties, connectors, and restraint systems.

• EN 1996 (Eurocode 6) – Design of masonry structures; provides general design requirements with which EN 846 standards align to ensure compatibility and structural performance.

• EN 1995 (Eurocode 5) – Design of timber structures; relevant for connections with timber elements integrated with masonry using restraint straps.

Implementing EN 846-4:2001/A1:2004 within construction and testing protocols supports harmonized practices throughout Europe, promoting safety, reliability, and performance of masonry ancillary components.

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Keywords: EN 846-4:2001/A1:2004, European Standard, masonry ancillary components, restraint straps, load capacity testing, load-deflection characteristics, timber-to-masonry connections, CEN standards, structural testing, building safety, masonry construction, precompression testing, Eurocode compliance, masonry testing methods.

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2004
0HWRGHSUHVNXãDQMDGRGDWQLKNRPSRQHQW]LGRYLQH±GHO'RORþDQMHQRVLOQRVWLLQ
ODVWQRVWLVLODSRPLNWUDNRY
Methods of test for ancillary components for masonry - Part 4: Determination of load
capacity and load-deflection characteristics of straps
Prüfverfahren für Ergänzungsbauteile für Mauerwerk - Teil 4: Bestimmung der Festigkeit
und der Last-Verformungseigenschaften von Bändern
Méthodes d'essai des composants accessoires de maçonnerie - Partie 4: Détermination
de la résistance et de la rigidité des brides de fixation
Ta slovenski standard je istoveten z: EN 846-4:2001/A1:2004
ICS:
91.080.30 Zidane konstrukcije Masonry
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 846-4:2001/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2004
ICS 91.080.30
English version
Methods of test for ancillary components for masonry - Part 4:
Determination of load capacity and load-deflection
characteristics of straps
Méthodes d'essai des composants accessoires de Prüfverfahren für Ergänzungsbauteile für Mauerwerk - Teil
maçonnerie - Partie 4: Détermination de la résistance et de 4: Bestimmung der Festigkeit und der Last-
la rigidité des brides de fixation Verformungseigenschaften von Bändern
This amendment A1 modifies the European Standard EN 846-4:2001; it was approved by CEN on 6 August 2004.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this
amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references concerning such
national standards may be obtained on application to the Central Secretariat or to any CEN member.

This amendment 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 Central Secretariat has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ir
...