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GB/T 20688.4-2023Rubber bearings—Part 4: Normal rubber bearings (English PDF)

橡胶支座第4部分：普通橡胶支座

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 7, 2023

Implementation date

April 1, 2024

Scope

GB/T 20688.4-2023 is the English-translated version of 橡胶支座第4部分：普通橡胶支座.

GB/T 20688.4-2023 is the Chinese standard "Rubber bearings—Part 4: Normal rubber bearings".

Its scope clause reads: This document stipulates the technical requirements for finished product performance, materials, intrinsic quality, appearance quality, dimensions, etc. of ordinary rubber bearings, and describes the corresponding Sampling and test methods, stipulates inspection rules and marking, packaging, transportation and storage, etc., and also provides technical regulations for convenience Product classification, labeling and structural design information.

This document is applicable to plate rubber bearings (hereinafter referred to as plate bearings) with a designed vertical bearing capacity of less than 10MN for bridges or other structures. seat) and the design, production, inspection and use of basin-type rubber bearings (hereinafter referred to as basin-type bearings) with a designed vertical bearing capacity of less than 100MN. Its clauses include normative reference documents.

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Document preview — GB/T 20688.4-2023

National Standard of the People's Republic of China

ICS: 83.140.99
Classification: G 47
Replacing: GB/T 20688.4-2007

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1 Scope
2 Normative reference documents
3 Terms and Definitions
4 symbols
5 Classification and labeling
5.1 Category
5.2 Mark
6 Structural design
6.1 Plate support
6.2 Basin support
7 Technical requirements
7.1 Plate support
7.2 Basin support
8 Test methods
8.1 Finished product performance
8.2 Materials
8.3 Intrinsic quality
8.4 Appearance quality
8.5 size
8.6 Process
9 Inspection Rules
9.1 Inspection classification
9.2 Inspection items and requirements
9.3 Determination Rule
10 Marking, packaging, transportation and storage
Appendix A (Informative) Plate Bearing Specification Series
Appendix B (informative) Deformation of plate bearing in normal use state
Appendix C (Informative) Anchor components and bearing anchoring types
Appendix D (normative) Test methods for mechanical properties of finished plate bearings
Appendix E (normative) Test methods for mechanical properties of finished pot bearings
Appendix F (normative) Test methods for force measurement performance of finished force basin bearings

1 Scope

This document stipulates the technical requirements for finished product performance, materials, intrinsic quality, appearance quality, dimensions, etc. of ordinary rubber bearings, and describes the corresponding

Sampling and test methods, stipulates inspection rules and marking, packaging, transportation and storage, etc., and also provides technical regulations for convenience

Product classification, labeling and structural design information.

This document is applicable to plate rubber bearings (hereinafter referred to as plate bearings) with a designed vertical bearing capacity of less than 10MN for bridges or other structures.

seat) and the design, production, inspection and use of basin-type rubber bearings (hereinafter referred to as basin-type bearings) with a designed vertical bearing capacity of less than 100MN.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations

For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 528 Determination of tensile stress and strain properties of vulcanized rubber or thermoplastic rubber

GB/T 699 High-quality carbon structural steel

GB/T 700 carbon structural steel

GB/T 1184-1996 Shape and position tolerances No tolerance values noted

GB/T 1591 Low alloy high strength structural steel

GB/T 1682-2014 Single sample method for determination of low-temperature brittleness of vulcanized rubber

GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without tolerances noted

GB/T 2040 Copper and copper alloy plates

GB/T 2941 Rubber physical test methods General procedures for specimen preparation and adjustment

GB/T 3077 alloy structural steel

GB/T 3280-2015 Stainless steel cold-rolled steel plates and strips

GB/T 3512 Hot air accelerated aging and heat resistance test of vulcanized rubber or thermoplastic rubber

GB/T 6031 Determination of hardness of vulcanized rubber or thermoplastic rubber (10IRHD~100IRHD)

GB/T 7233.1-2009 Ultrasonic testing of steel castings Part 1.General purpose steel castings

GB/T 7659 Steel castings for welded structures

GB/T 7759.1 Determination of compression permanent deformation of vulcanized rubber or thermoplastic rubber Part 1.Under normal and high temperature conditions

GB/T 7760 Determination of bonding strength between vulcanized rubber or thermoplastic rubber and hard plate - 90° peeling method

GB/T 7762 Static tensile test for ozone cracking resistance of vulcanized rubber or thermoplastic rubber

GB/T 11345 Non-destructive testing of welds, ultrasonic testing technology, testing levels and assessments

GB/T 11352 Cast carbon steel parts for general engineering use

GB/T 13384 General technical conditions for mechanical and electrical product packaging

GB/T 28699 General technical conditions for protective coating of steel structures

HG/T 2366 dimethyl silicone oil

HG/T 2502-1993 5201 silicone grease […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 79 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 21538-2026|GB/T 47604-2026|GB/T 47632-2026|GB/T 47633-2026|GB/T 47897.1-2026|GB/T 20786-2025

Editions of GB/T 20688.4

Edition	Title	Revision	Status
GB/T 20688.4-2023	Rubber bearings—Part 4: Normal rubber bearings	current edition	Current
GB/T 20688.4-2007	Rubber bearings—Part 4: Normal rubber bearings	previous edition	Superseded

This page sells the current edition, GB/T 20688.4-2023. Earlier editions are listed for reference only.

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