SIST EN 16431:2026 PDF

Name: SIST EN 16431:2026 — Railway applications - Infrastructure - Hollow sleepers and bearers
SKU: SIST EN 16431:2026
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Railway applications - Infrastructure - Hollow sleepers and bearers

Название (английский):

SIST EN 16431:2026

Railway applications - Infrastructure - Hollow sleepers and bearers

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 23
Дата публикации:: 23 июня 2026 г.
ICS:: 45.080
Технический комитет:: IŽNP - Reilway applications

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Описание (английский):

This document defines technical criteria and control procedures which are satisfied by hollow sleepers and bearers used in ballasted track with Vignole rails. The hollow sleepers and bearers designed for ballasted track can also be used in ballastless track. In this case, the requirements are defined by the customer.

Abstract

Overview

Key Topics

Scope and Definitions: The standard defines hollow sleepers as structural elements with at least 50% of their cross-sectional area hollow, designed to house devices such as actuation, detection, or cables within the railway track system.
Technical Requirements: Outlines general, mechanical, functional, design, and environmental requirements that hollow sleepers and bearers must meet. This includes criteria for:
- Mechanical resistance to bending moments induced by traffic loads
- Use and verification of elastic or rigid fastening systems
- Environmental performance in temperature extremes and exposure to severe conditions
- Electrical resistance, flammability, and drainage requirements
Test and Control Procedures: Details laboratory methods such as repeated loading tests, pull-out tests, pad and assembly stiffness tests, electrical resistance measurements, and field testing requirements.
Quality Assurance: Establishes quality control protocols for both homologation and routine production, including dimensional tolerances and traceability requirements (e.g., year and production plant marking).

Applications

SIST EN 16431:2026 is essential for railway operators, infrastructure owners, and manufacturers involved in the design, installation, or maintenance of:

Ballasted and Ballastless Railway Tracks: Ensuring appropriate structural and functional properties of hollow sleepers and bearers in both traditional and slab track systems.
Switches and Crossings (S&C): Implementation of special hollow bearers that support actuation, detection, and locking mechanisms for moving parts.
Modernization Projects: Retrofitting existing rail infrastructure with advanced hollow sleepers that accommodate signal cables, sensors, or other railway track devices with minimal disruption.
Quality Management: Ensuring consistent product quality and traceability throughout the supply chain, in compliance with EN ISO 9001 and relevant railway component standards.

Hollow sleepers and bearers play a critical role in facilitating advanced rail technologies, reducing maintenance, and improving the integration of signaling and communication equipment within the track structure.

Related Standards

For comprehensive infrastructure compatibility and safety, SIST EN 16431:2026 refers to and aligns with several key railway standards, including:

EN 13481 (all parts): Railway applications - Track - Performance requirements for fastening systems
EN 13481-7: Fastening systems for switches, crossings, and related devices
EN ISO 22074 series: Methods for testing the pull-out resistance, repeated loading resistance, electrical resistance, severe environmental resistance, and vertical stiffness of rail fastening systems
EN 50125-3: Environmental conditions for railway equipment used in signaling and telecommunications
EN 13230-2: Concrete sleepers and bearers - Prestressed monoblock sleepers
EN 17343: Railway applications - General terms and definitions
EN ISO 9001: Quality management systems

By adhering to these standards, European railway stakeholders promote interoperability, reduce operational risks, and support innovation in railway infrastructure design.

Keywords: railway standard, hollow sleepers, hollow bearers, ballasted track, ballastless track, Vignole rails, railway infrastructure, SIST EN 16431, rail fastening systems, track construction, railway quality control, railway components.

Технические детали

SKU: SIST EN 16431:2026

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EN 16431:2026

Действующий

Railway applications - Infrastructure - Hollow sleepers and bearers

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