oSIST prEN 1337-8:2018

Structural bearings - Part 8: Guide bearings and Restraint bearings

This document specifies rules for the design, testing and manufacture of guide bearings and restraint bearings. It is applicable to bearings, which transmit loads in x- and y-plane according to prEN 1337-1:2018 only.
This document will be used in conjunction with the relevant parts of the prEN 1337 series.

Lager im Bauwesen - Teil 87: Führungslager und Festhaltekonstruktionen

Dieses Dokument legt Regeln für die Bemessung, Prüfung und Herstellung von Führungslagern und Festhaltekonstruktionen fest. Das Dokument gilt nur für Lager, die Lasten in der x- und y-Ebene nach prEN 1337-1:2018 übertragen.
Dieses Dokument wird in Kombination mit den relevanten Teilen der Normenreihe prEN 1337 verwendet.

Appareils d’appui structuraux - Partie 8 : Appareils d’appui guidés et appareils d’appui bloqués

Le présent document spécifie les règles de conception, d’essai et de fabrication d’appareils d’appui guidés et d’appareils d’appui bloqués. Il s’applique aux appareils d’appui qui transmettent les charges dans les plans x et y selon la norme provisoire prEN 1337-1:2018 uniquement.
Ce document sera utilisé conjointement aux parties pertinentes de la série prEN 1337.

Konstrukcijska ležišča - 8. del: Vodila za ležišča in pritrjene konstrukcije

General Information

• Status: Not Published
• Public Enquiry End Date: 29-Mar-2018
• ICS: 91.010.30 - Technical aspects
• Technical Committee: BBB - Concrete, reinforced concrete and prestressed concrete
• Current Stage: 98 - Abandoned project (Adopted Project)
• Start Date: 21-Oct-2020
• Due Date: 26-Oct-2020
• Completion Date: 21-Oct-2020
• Directive: Harmonized Standard305/2011 - 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:

  ---

  Not Harmonized89/106/EEC - Construction products
• Mandate: M/104 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on structural bearings
• Ref Project: prEN 1337-8 - Structural bearings - Part 8: Guide bearings and Restraint bearings

Relations

• Revised: SIST EN 1337-8:2008 - Structural bearings - Guide Bearings and Restraint Bearings
• Effective Date: 18-Jan-2023
• Revised: SIST EN 1337-8:2008 - Structural bearings - Guide Bearings and Restraint Bearings
• Effective Date: 01-Mar-2018

Overview

oSIST prEN 1337-8:2018, published by SIST, is a standard within the EN 1337 series that addresses structural bearings, specifically focusing on guide bearings and restraint bearings. The document sets out comprehensive rules for the design, testing, and manufacture of these bearings, particularly in cases where the load transmission occurs in the x- and y-plane as detailed in prEN 1337-1:2018. This standard is primarily intended for use in conjunction with the other relevant parts of the EN 1337 series, ensuring consistent approaches to structural bearing requirements within civil engineering and building works across Europe.

Key Topics

• Types of Bearings

  • Guide Bearings: These bearings provide restraint in one horizontal direction, allow for necessary rotations, and do not transmit vertical loads.
  • Restraint Bearings: These bearings prevent movement within a plane, accommodate rotations, and do not transmit loads perpendicular to that plane.

• Material Properties

  • Guide and restraint bearings must be made from ferrous materials in accordance with recognized European standards such as the EN 10025 series, EN 10083-3, EN 10088-2, and EN 10340.
  • Sliding contact surfaces must comply with prEN 1337-2:2018.

• Design Requirements

  • Bearings must transmit loads according to prEN 1337-1:2018, allow specified movements and rotations, and include frictional resistance as per prEN 1337-2:2018.
  • Interactive effects must be considered when bearings are combined with other structural elements.
  • Minimum base plate thickness and other geometrical requirements ensure longevity and consistent performance.

• Testing and Quality Control

  • Testing requirements reference prEN 1337-1:2018 and prEN 1337-2:2018.
  • Factory production control includes dimension checks, surface roughness, corrosion protection, and raw material verification.
  • Assessment of performance includes both type testing and ongoing factory controls.

• Compliance and Marking

  • The standard supports compliance with Regulation (EU) No 305/2011 related to construction products, facilitating the use of CE marking and Declarations of Performance (DoP) for bearings.

Applications

Guide bearings and restraint bearings covered by oSIST prEN 1337-8:2018 are essential components in civil engineering and building works where precise control of structural movement and load transmission is required. Typical applications include:

• Bridges and Viaducts: Managing thermal expansion, seismic movements, and traffic-induced forces.
• Building Structures: Allowing controlled movement while maintaining structural integrity and safety.
• Heavy Civil Engineering: Employed in infrastructure exposed to dynamic loads where reliability and compliance with EU standards are critical.

The application of this standard ensures that both guide and restraint bearings meet rigorous performance, safety, and durability standards, which are crucial for the long-term reliability of major structures.

Related Standards

For holistic implementation and compliance, oSIST prEN 1337-8:2018 references several other standards:

• prEN 1337-1:2018 - General requirements for structural bearings
• prEN 1337-2:2018 - Requirements for sliding elements
• prEN 1337-5:2018 - Pot bearings
• EN 1993 (Eurocode 3) - Design of steel structures
• EN 10025, EN 10083-3, EN 10088-2, EN 10340 - Material specifications for steel and steel products

By aligning design, manufacturing, and testing practices with these standards, organizations ensure structural bearing performance that meets both national and European regulatory requirements. This approach facilitates interoperability, safety, and quality assurance in the construction sector.

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2018
.RQVWUXNFLMVNDOHåLãþDGHO9RGLOD]DOHåLãþDLQSULWUMHQHNRQVWUXNFLMH
Structural bearings - Part 8: Guide bearings and Restraint bearings
Lager im Bauwesen - Teil 87: Führungslager und Festhaltekonstruktionen
Ta slovenski standard je istoveten z: prEN 1337-8
ICS:
91.010.30 7HKQLþQLYLGLNL Technical aspects
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2018
ICS 91.010.30 Will supersede EN 1337-8:2007
English Version
Structural bearings - Part 8: Guide bearings and Restraint
bearings
Lager im Bauwesen - Teil 87: Führungslager und
Festhaltekonstruktionen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 167.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1337-8:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Types of restraint and guide bearings . 5
4.1 Restraint bearing . 5
4.2 Guide bearings . 5
5 Material Properties . 6
6 Design . 6
7 Testing . 7
8 Manufacturing, assembly and tolerances . 7
9 Transport, storage and installation . 7
10 In-service inspection . 7
11 Maintenance . 8
12 Assessment and verification of constancy of performance . 8
12.1 General . 8
12.2 Type Testing . 8
12.3 Factory production control . 8
12.4 Assessment of the performance of the construction product . 8
Annex ZA (informative) Relationship of this European Standard with Regulation (EU)
No.305/2011 . 10
ZA.1 Scope and relevant characteristics . 10
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 11
ZA.3 Assignment of AVCP tasks . 11

European foreword
This document (prEN 1337-8:2018) has been prepared by Technical Committee CEN/TC 167
“Structural bearings”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 1337-8:2007.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Regulation 305/2011.
For relationship with EU Regulation 305/2011, see informative Annex ZA, which is an integral part of
this document.
prEN 1337, Structural bearings, consists of the following 8 Parts:
— Part 1: General;
— Part 2: Sliding elements;
— Part 3: Elastomeric bearings;
— Part 4: Roller bearings;
— Part 5: Pot bearings;
— Part 6: Rocker bearings;
— Part 7: Spherical and cylindrical PTFE bearings;
— Part 8: Guide bearings and Restraint bearings.
The major technical changes are listed below:
— Complete technical and editorial revision of the document; it is not possible to list all implemented
changes to this edition of EN 1337-8.
1 Scope
This document specifies rules for the design, testing and manufacture of guide bearings and restraint
bearings. It is applicable to bearings, which transmit loads in x- and y-plane according to
prEN 1337-1:2018 only.
This document will be used in conjunction with the relevant parts of the prEN 1337 series.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
prEN 1337-1:2018, Structural bearings — Part 1: General
prEN 1337-2:2018, Structural bearings — Part 2: Sliding elements
prEN 1337-5:2018, Structural bearings — Part 5: Pot bearings
EN 1993 (all parts), Eurocode 3: Design of steel structures
EN 10025 (all parts), Hot rolled products of structural steels
EN 10083-3, Steels for quenching and tempering — Part 3: Technical delivery conditions for alloy steels
EN 10088-2, Stainless steels — Part 2: Technical delivery conditions for sheet/plate and strip of corrosion
resisting steels for general purposes
EN 10340, Steel castings for structural uses
3 Terms and definitions
For the purposes of this document, the terms and definitions given in prEN 1337-1:2018 and
prEN 1337-2:2018 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
base plate
plate that is an integral part of the bearing and forms the main component to which restraints and
guides are attached
[SOURCE: prEN 1337-2:2018, 3.21.13]
3.2
tilting element
element that transmits the specified forces and permits rotations about at least one axis
3.3
guide bearing
bearing which provides restraint in one horizontal direction only, accommodates rotations and does
not transmit vertical loads
3.4
restraint bearing
bearing which prevents movements in a plane, accommodates rotations and does not transmit loads
perpendicular to this plane
4 Types of restraint and guide bearings
4.1 Restraint bearing
The restraint bearing consists of ferrous components with sliding elements (restraints) and, where
necessary, tilting elements.
The restraint bearing transmits forces in the x-y-plane according to prEN 1337-1:2018 and allows
movements in the z-direction and rotations.
Typical restraint bearings are shown in Figure 1.

Figure 1 — Typical restraint bearings
4.2 Guide bearings
The guide bearing consists of ferrous components with sliding elements (guides) and, where necessary,
tilting elements.
The guide bearing transmits forces in either the x- or y-direction according to prEN 1337-1:2018 and
allows movements in all other directions and rotations.
Typical guide bearings are shown in Figure 2.
Key
1 indicates sliding elements
2 indicates tilting elements
Figure 2 — Typical guide bearings
5 Material Properties
The materials used for the load transfer in sliding contact surfaces shall comply with
prEN 1337-2:2018.
Guide bearings and restraint bearings shall be manufactured from ferrous materials in accordance with
one of the following standards: the EN 10025 series, EN 10083-3, EN 10088-2, EN 10340.
6 Design
prEN
...