Structural bearings - Part 3: Elastomeric bearings

This document specifies rules for the design, testing and manufacture of laminated elastomeric bearings, elastomeric plain pad bearings, elastomeric strip bearings and sliding elastomeric bearings.
It is applicable to laminated and plain pad bearings:
-   of rectangular and circular shape in plan with a rectangular cross-section, with dimensions in plan up to 1 200 mm,
-   subjected to temperatures between -25 °C and +50 °C or between -40 °C and +50 °C,
-   subjected to temperatures below -25 °C due to climate changes,
-   subjected to 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 EN 1337 series.

Lager im Bauwesen - Teil 3: Elastomerlager

Dieses Dokument legt die Regeln für die Bemessung, Prüfung und Herstellung bewehrter Elastomerlager, unbewehrter Elastomerlager, Elastomerstreifenlager und Verformungsgleitlager fest.
Das Dokument gilt für bewehrte und unbewehrte Elastomerlager:
-   mit rechteckiger oder runder Grundform mit rechteckigem Querschnitt und ebenen Abmessungen von bis zu 1 200 mm,
-   die Temperaturen zwischen −25 °C und +50 °C oder zwischen −40 °C und +50 °C ausgesetzt sind,
-   die Temperaturen unter −25 °C aufgrund klimatischer Veränderungen 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 EN 1337 verwendet.

Élément central - Partie 3 : Titre de la partie

Le présent document spécifie les règles de conception, d’essai et de fabrication d’appareils d’appui en
élastomère laminés, non frettés, en bande et avec éléments de glissement.
Il est applicable aux appareils d’appui laminés et non frettés :
- de forme rectangulaire et circulaire, dans un plan et de section droite rectangulaire, leurs
dimensions en plan pouvant atteindre 1 200 mm ;
- soumis à des températures comprises entre –25 °C et +50 °C ou entre –40 °C et +50 °C ;
- soumis à des températures inférieures à –25 °C par suite de changements climatiques ;
- soumis à des températures pouvant atteindre 70 °C pendant des périodes répétées durant moins de
8 h.
Le présent document sera utilisé en association avec le document prEN 1337-1:2018 et les autres
parties pertinentes de la série EN 1337.

Konstrukcijska ležišča - 3. del: Elastomerna ležišča

General Information

Status
Not Published
Public Enquiry End Date
29-Mar-2018
Current Stage
98 - Abandoned project (Adopted Project)
Start Date
21-Oct-2020
Due Date
26-Oct-2020
Completion Date
21-Oct-2020

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SLOVENSKI STANDARD
oSIST prEN 1337-3:2018
01-marec-2018
.RQVWUXNFLMVNDOHåLãþDGHO(ODVWRPHUQDOHåLãþD
Structural bearings - Part 3: Elastomeric bearings
Lager im Bauwesen - Teil 3: Elastomerlager
Ta slovenski standard je istoveten z: prEN 1337-3
ICS:
91.010.30 7HKQLþQLYLGLNL Technical aspects
oSIST prEN 1337-3:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 1337-3:2018

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oSIST prEN 1337-3:2018


DRAFT
EUROPEAN STANDARD
prEN 1337-3
NORME EUROPÉENNE

EUROPÄISCHE NORM

January 2018
ICS 91.010.30 Will supersede EN 1337-3:2005
English Version

Structural bearings - Part 3: Elastomeric bearings
 Lager im Bauwesen - Teil 3: Elastomerlager
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 1337-3:2018 E
worldwide for CEN national Members.

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oSIST prEN 1337-3:2018
prEN 1337-3:2018 (E)
Contents Page
European foreword . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, symbols and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Symbols . 9
4 Types of elastomeric bearings . 13
4.1 General . 13
4.2 Laminated bearings . 13
4.2.1 General . 13
4.2.2 Type A . 14
4.2.3 Type B . 14
4.2.4 Type C . 15
4.2.5 Laminated bearings with sliding elements . 15
4.3 Plain pads or strip bearings . 17
5 Material properties . 17
5.1 General . 17
5.2 Characteristics of the elastomer . 17
5.3 Steel reinforcing plates . 19
6 Design . 19
6.1 General . 19
6.2 Parameters . 19
6.2.1 Shear modulus . 19
6.2.2 Bulk modulus . 20
6.3 Laminated bearings . 20
6.3.1 Basis of design . 20
6.3.2 Effective area . 20
6.3.3 Shape factor . 21
6.3.4 Behaviour under vertical load. 21
6.3.5 Behaviour under horizontal loads . 23
6.3.6 Behaviour under rotations . 24
6.3.7 Rotational limitation . 26
6.3.8 Strain combination criterion . 26
6.4 Design of plain pad and strip bearings . 26
6.4.1 Basis of design . 26
6.4.2 Effective thickness . 27
6.4.3 Reduced area . 27
6.4.4 Shape factor . 27
6.4.5 Behaviour under vertical load. 27
6.4.6 Behaviour under horizontal load . 28
6.4.7 Behaviour under rotations and design strain . 29
6.5 Combination with other bearings or elements . 30
7 Testing . 30
7.1 General . 30
2

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oSIST prEN 1337-3:2018
prEN 1337-3:2018 (E)
7.2 Behaviour under shear . 30
7.2.1 General . 30
7.2.2 Shear modulus at ambient temperature . 30
7.2.3 Shear modulus at low temperature . 31
7.2.4 Shear modulus after ageing . 31
7.2.5 Shear modulus for plain pad bearings . 31
7.3 Shear bond strength . 31
7.3.1 General . 31
7.3.2 Shear bond strength at ambient temperature . 31
7.3.3 Shear bond strength after ageing . 31
7.4 Behaviour under compression . 32
7.4.1 Test procedures . 32
7.4.2 Type test (level 1 of testing method) . 32
7.4.3 FPC compression test (level 2 of the testing method) . 32
7.4.4 Quick production test (level 3 of the testing method) . 32
7.5 Resistance to repeated loading in compression . 33
7.6 Rotation behaviour . 33
8 Manufacturing, assembly, tolerances, marking and labelling . 33
8.1 External dimensions . 33
8.1.1 General . 33
8.1.2 Plan size of the bearing . 33
8.1.3 Thickness of the bearing . 33
8.1.4 Parallelism of external faces . 33
8.1.5 Flatness. 34
8.2 Internal dimensions . 34
8.2.1 General . 34
8.2.2 Internal elastomer layers . 34
8.2.3 External elastomer layers . 34
8.2.4 Steel reinforcing plates . 35
8.3 Marking and labelling . 35
8.4 Surfaces . 35
9 Transport, storage and installation . 35
10 In-service inspection . 36
11 Maintenance . 36
12 Assessment and verification of constancy of performance . 36
12.1 General . 36
12.2 Type Testing . 36
12.3 Factory production control . 36
12.4 Assessment of the performance of the construction product . 37
Annex A (informative) Shear modulus . 40
A.1 General . 40
A.2 Shear modulus and hardness . 40
A.3 Low temperature stiffening effects low temperatures . 40
Annex B (normative) Shear modulus test method . 41
B.1 General . 41
B.2 Low temperature test . 41
B.3 Very low temperature test . 41
B.4 Test after ageing . 41
B.5 Test methods . 41
B.5.1 General . 41
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oSIST prEN 1337-3:2018
prEN 1337-3:2018 (E)
B.5.2 Method A. 42
B.5.3 Method B. 46
Annex C (normative) Shear bond test method . 50
C.1 General . 50
C.2 Test after ageing . 50
C.3 Test methods . 50
C.3.1 General . 50
C.3.2 Method A. 50
C.3.3 Method B. 52
Annex D (normative) Compression test method for laminated bearings . 55
D.1 General . 55
D.2 Equipment . 55
D.2.1 General . 55
D.2.2 Dimensions of the undeformed test specimen . 55
D.2.3 Conditioning of test specimen . 55
D.2.4 Testing procedure . 55
D.3 Results . 56
D.3.1 Visual examination . 56
D.3.2 Compressive strain (Levels 1 and 2) . 56
D.3.3 Compression stiffness . 56
D.3.4 Secant compression modulus (Level 1) . 57
D.4 Test report . 57
Annex E (normative) Repeated Loading Compression Test Method . 59
E.1 Scope . 59
E.2 Principle . 59
E.3 Equipment . 59
E.4 Test specimens . 60
E.4.1 Dimensions . 60
E.4.2 Temperature control . 60
E.4.3 Conditioning of test specimens . 60
E.4.4 Testing procedure . 60
E.5 Results . 60
E.6 Test report . 60
Annex F (normative) Eccentric loading test method . 62
F.1 General . 62
F.2 Test method . 62
F.3 Testing equipment . 62
F.4 Determination of Dimensions . 62
F.5 Conditioning of test specimens . 63
F.6 Testing procedure . 63
F.6.1 Contact area with a given eccentric loading . 63
F.6.2 Degree of eccentricity with full contact area . 63
F.7 Results . 63
F.8 Test report . 63
Annex G (normative) Restoring Moment Test Method . 65
G.1 General . 65
G.2 Test methods . 65
G.2.1 General . 65
G.2.2 Method A. 65
G.2.3 Method B. 67
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oSIST prEN 1337-3:2018
prEN 1337-3:2018 (E)
Annex H (informative) Common sizes for bearings type B . 69
Annex I (informative) Force deflection relationship for laminated bearings . 71
Annex J (informative) Reaction to rotation for elastomeric bearings . 72
Annex ZA (informative) Relationship of this European Standard with Regulation (EU)
No.305/2011 . 73
ZA.1 Scope and relevant characteristics . 73
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 77
ZA.3 Assignment of AVCP tasks . 77
Bibliography . 83

5

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oSIST prEN 1337-3:2018
prEN 1337-3:2018 (E)
European foreword
This document (prEN 1337-3:2018) 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 1337-3:2005.
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 whole document; it is not possible to list all
implemented changes to this edition of EN 1337-3.
6

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oSIST prEN 1337-3:2018
prEN 1337-3:2018 (E)
1 Scope
This document specifies rules for the design, testing and manufacture of laminated elastomeric
bearings, elastomeric plain pad bearings, elastomeric strip bearings and sliding elastomeric bearings.
It is applicable to laminated and plain pad bearings:
— of rectangular and circular shape in plan with a rectangular cross-section, with dimensions in plan
up to 1 200 mm,
— subjected to temperatures between –25 °C and +50 °C or between –40 °C and +50 °C,
— subjected to temperatures below –25 °C due to climate changes,
— subjected to 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
EN 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
1
EN 1990:2002 , Eurocode — Basis of structural design
EN 1993-
...

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