EN 524-5:1997

Steel strip sheaths for prestressing tendons - Test methods - Part 5: Determination of tensile load resistance

This European Standard lays down the procedure for determining the tensile load resistance of sheaths for prestressing tendons which comply with prEN 523.

Hüllrohre aus Bandstahl für Spannglieder - Prüfverfahren - Teil 5: Bestimmung der Zugbelastbarkeit

Die vorliegende Europäische Norm legt das Verfahren zur Bestimmung der Zugbelastbarkeit von Hüllrohren für Spannglieder nach prEN 523 fest.

Gaines en feuillard d'acier pour câbles de précontrainte - Méthodes d'essai - Partie 5: Détermination de la résistance à la traction

La présente norme européenne définit la procédure de détermination de la résistance à la traction de gaines destinées à des armatures de précontrainte conformes au prEN 523.

Zaščitne cevi za prednapete kable iz jeklenih trakov - Metode preskušanja - 5. del: Določevanje natezne nosilnosti

General Information

• Status: Published
• Publication Date: 18-Mar-1997
• ICS: 77.140.75 - Steel pipes and tubes for specific use
• ICS: 91.080.40 - Concrete structures
• Technical Committee: CEN/TC 104 - Concrete ( performance, production, placing and compliance criteria )
• Drafting Committee: CEN/TC 104/WG 7 - Sheaths for prestressing tendons
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 18-Jun-2021
• Completion Date: 14-Apr-2025
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive: 89/106/EEC - Construction products
• Mandate: M/115 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on reinforcing and prestress. steel for concrete
• Ref Project: SIST EN 524-5:1999 - Steel strip sheaths for prestressing tendons - Test methods - Part 5: Determination of tensile load resistance

Overview

EN 524-5:1997 is a European Standard developed by CEN that specifies the test methods for determining the tensile load resistance of steel strip sheaths used in prestressing tendons. These sheaths are essential components in prestressed concrete structures, providing protective and structural integrity to the tendons. The standard ensures consistent evaluation procedures to verify that steel strip sheaths meet performance requirements as set out in the related standard prEN 523.

This document focuses on mechanical testing, specifically the tensile load resistance, a crucial parameter for ensuring sheath durability and safety in construction applications.

Key Topics

• Scope and Purpose
  Defines the procedure for tensile load resistance testing of steel strip sheaths, ensuring they comply with European requirements for prestressing tendon protection.

• Test Methodology
  Presents detailed procedures to measure the tensile load capacity, including sample preparation, testing conditions, and reporting results.

• Material Specifications
  Applies to steel strip sheaths manufactured for prestressing tendons, emphasizing conformity with material quality and dimensions outlined in related standards.

• Performance Criteria
  Sets thresholds for tensile strength that steel strip sheaths must meet to be deemed reliable for safe use in construction.

Applications

• Prestressed Concrete Construction
  Steel strip sheaths are widely used to encase and protect prestressing tendons in concrete structures such as bridges, buildings, and other infrastructure projects. Ensuring their tensile load resistance is critical for the long-term durability of prestressed elements.

• Quality Control and Assurance
  Testing according to EN 524-5 supports manufacturers and construction engineers in maintaining product quality, preventing failure during tendon tensioning, and ensuring compliance with European construction codes.

• Product Certification
  Enables certification bodies to evaluate and approve steel strip sheaths based on quantified tensile resistance data, facilitating market acceptance.

Related Standards

• prEN 523
  Specifies the requirements and characteristics for steel strip sheaths for prestressing tendons, which EN 524-5 complements by providing precise tensile testing methods.

• EN 524-1 to EN 524-4
  Other parts in the EN 524 series define additional test methods and requirements for prestressing tendon sheaths covering aspects such as dimensional checks, corrosion resistance, and physical properties.

• EN 1992 (Eurocode 2)
  Although not directly referenced, Eurocode 2 for concrete structures covers design principles where materials like prestressing tendons and their sheaths play a crucial role.

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Adhering to EN 524-5:1997 enhances structural safety by standardizing tensile load resistance testing for steel strip sheaths, supporting engineers and manufacturers in delivering high-quality prestressed concrete components across Europe.

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-1999
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'RORþHYDQMHQDWH]QHQRVLOQRVWL
Steel strip sheaths for prestressing tendons - Test methods - Part 5: Determination of
tensile load resistance
Hüllrohre aus Bandstahl für Spannglieder - Prüfverfahren - Teil 5: Bestimmung der
Zugbelastbarkeit
Gaines en feuillard d'acier pour câbles de précontrainte - Méthodes d'essai - Partie 5:
Détermination de la résistance a la traction
Ta slovenski standard je istoveten z: EN 524-5:1997
ICS:
77.140.75 Jeklene cevi in cevni profili
...