prEN 1337-5
(Main)Structural bearings - Part 5: Pot bearings
Structural bearings - Part 5: Pot bearings
This document specifies rules for the design, testing and manufacture of fixed and sliding pot bearings.
It is applicable to pot bearings:
- with elastomeric pads made from natural rubber (NR) or chloroprene rubber (CR) up to 1 500 mm diameter,
- with pot and piston made from ferrous materials,
- with seals tested for different accumulated slide paths due to rotations between piston and pot of a) 500 m, b) 1 000 m or c) 2 000 m,
- with seals made from specific austenitic steel, brass, POM or carbon filled PTFE,
- subjected to operating temperature ranges between -25 °C and +50 °C or -40 °C and +50 °C,
- subjected to operating temperatures up to +70 °C for repeated periods of less than 8 h.
This document will be used in conjunction with prEN 1337-1:2018 and other relevant parts of the prEN 1337 series.
Lager im Bauwesen - Teil 5: Topflager
Dieses Dokument legt Regeln für die Bemessung, Prüfung und Herstellung von festen und gleitenden Topflagern fest.
Das Dokument gilt für Topflager:
- mit Elastomerkissen aus Naturgummi (NR) oder Chloroprengummi (CR) mit einem Durchmesser von bis zu 1 500 mm;
- mit Topf und Deckel aus eisenhaltigen Werkstoffen;
- mit für verschiedene akkumulierte Gleitwege aufgrund von Verdrehungen zwischen dem Deckel und dem Topf von a) 500 m, b) 1 000 m oder c) 2 000 m geprüften Dichtungen;
- mit Dichtungen aus speziellem austenitischem Stahl, Messing, POM oder PTFE mit Kohlefüllung;
- die Betriebstemperaturen zwischen −25 °C und +50 °C oder zwischen −40 °C und +50 °C ausgesetzt sind;
- die für wiederholte Zeiträume von weniger als 8 h Temperaturen von bis zu +70 °C ausgesetzt sind.
Dieses Dokument wird in Kombination mit prEN 1337-1:2018 und anderen relevanten Teilen der Normenreihe prEN 1337 verwendet.
Appareils d’appui structuraux - Partie 5 : Appareils d’appui à pot
Le présent document spécifie les règles de conception, d’essai et de fabrication d’appareils d’appui à pot fixe et glissant.
Il s’applique aux appareils d’appui à pot :
- dotés de coussins en élastomère en caoutchouc naturel (NR) ou en caoutchouc en chloroprène (CR) jusqu’à 1 500 mm de diamètre,
- dotés d’un pot et d’un piston en matériaux ferreux,
- dotés de joints ayant fait l’objet d’essais sur différentes distances de glissement cumulées en raison des rotations entre le piston et le pot de a) 500 m, b) 1 000 m ou c) 2 000 m,
- dotés de joints en acier austénitique spécifique, laiton, POM ou PTFE renforcé de carbone,
- soumis à des gammes de températures de service comprises entre –25 °C et +50 °C ou –40 °C et +50 °C,
- soumis à des températures de service jusqu’à +70 °C pendant des périodes répétées durant moins de 8 h.
Le présent document sera utilisé conjointement à la norme provisoire prEN 1337-1:2018 et les autres parties pertinentes de la série prEN 1337.
Konstrukcijska ležišča - 5. del: Lončna ležišča
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2018
.RQVWUXNFLMVNDOHåLãþDGHO /RQþQDOHåLãþD
Structural bearings - Part 5: Pot bearings
Lager im Bauwesen - Teil 5: Topflager
Ta slovenski standard je istoveten z: prEN 1337-5
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 1337-5:2005
English Version
Structural bearings - Part 5: Pot bearings
Lager im Bauwesen - Teil 5: Topflager
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 1337-5:2018 E
worldwide for CEN national Members.
Contents Page
European foreword . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions, symbols and abbreviations . 7
3.1 Terms and definitions . 7
3.2 Symbols . 9
3.3 Abbreviations . 10
4 Types of pot bearings . 10
4.1 General . 10
4.2 Types of pot construction . 11
4.3 Types of internal seal. 12
4.3.1 General . 12
4.3.2 Seals type “a” . 12
4.3.3 Seals type “b” . 13
4.3.4 Seals type “c” . 15
4.4 Types of piston/pot contact surface . 17
5 Material properties . 18
5.1 Ferrous materials . 18
5.2 Elastomeric materials. 18
5.3 Seal materials . 18
5.3.1 Seal type “a” . 18
5.3.2 Seal type “b” . 18
5.3.3 Seal type “c” . 18
5.4 Lubricant . 19
6 Design . 19
6.1 General . 19
6.2 Internal seal system . 19
6.3 Behaviour under vertical load. 19
6.3.1 Contact pressure – elastomeric pad . 19
6.3.2 Deflection . 20
6.4 Behaviour under horizontal load . 20
6.4.1 General . 20
6.4.2 Piston/pot contact pressure . 20
6.4.3 Pot verification . 22
6.5 Behaviour under rotations . 27
6.5.1 General . 27
6.5.2 Restoring moment . 28
6.5.3 Working Life — Working life of seal due to sliding contact with pot wall. 29
6.5.4 Geometric criteria for required rotation . 29
6.6 Combination of vertical loads and rotations — Minimum thickness . 30
6.7 Combination with other bearings or elements . 31
6.7.1 Combination with sliding elements . 31
6.7.2 Load distribution through components . 31
6.7.3 Load transfer to the adjacent structure . 31
7 Testing . 31
7.1 Restoring moment . 31
7.2 Determination of compression stiffness . 31
7.3 Lubricant and rubber . 31
7.4 Surface roughness of steel parts . 32
8 Manufacturing, assembly, tolerances, marking and labelling . 32
8.1 General . 32
8.2 Elastomeric pad . 32
8.3 Parallelism of external surfaces . 32
8.4 Fit of components . 32
8.4.1 Piston in pot . 32
8.4.2 Elastomeric pad in pot . 32
8.5 Surface roughness . 33
8.6 Corrosion protection . 33
8.7 External seal . 33
8.8 Lubrication . 33
8.9 Sharp edges . 33
8.10 Marking and labelling . 33
9 Transport, storage and installation . 33
10 In-service inspection . 33
11 Maintenance . 33
12 Assessment and verification of constancy of performance . 34
12.1 General . 34
12.2 Type Testing . 34
12.3 Factory production control . 34
12.4 Assessment of the performance of the construction product . 34
Annex A (normative) Lubricant elastomer compatibility . 36
A.1 Test pieces . 36
A.1.1 Test pieces made of the elastomer . 36
A.1.2 Test pieces made of the internal sealing . 36
A.1.3 Conditioning of the test pieces . 36
A.2 Test liquid . 36
A.3 Interaction of the lubricant with
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