Pot bearing for highway bridge
1 Scope
This standard specifies the product classification, structural forms, models, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of pot bearings for highway bridges.
This standard is applicable to the production, inspection and use of pot bearings with design bearing capacity of 1MN~80MN for highway bridges.
2 Normative references
The following referenced documents are indispensable for the application 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.
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
GB/T 699 Quality carbon structure steels
GB/T 700 Carbon structural steels
GB/T 1040.3 Plastics - Determination of tensile properties - Part 3: Test conditions for films and sheets
GB/T 1184 Geometrical tolerancing - Geometrical tolerances for features without individual tolerance indications
GB/T 1591 High strength low alloy structural steels
GB/T 1632.3 Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometer - Part 3: Polyethylenes and polypropylenes
GB/T 1682 Rubber, vulcanized - Determination of low-temperature brittleness - Single test piece method
GB/T 1804 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 2040 Copper and copper alloy sheet
GB/T 3077 Alloy structure steels
GB/T 3280 Cold rolled stainless steel plate, sheet and strip
GB/T 3323 Radiographic examination of fusion welded joints in metallic materials
GB/T 3398.1 Plastics - Determination of hardness - Part 1: Ball indentation method
GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests - Air-oven method
GB/T 6031 Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)
GB/T 7233.1 Steel castings - Ultrasonic examination - Part 1: Steel castings for general purposes
GB/T 7759.1 Rubber, vulcanized or thermoplastic - Determination of compression set - Part 1: At ambient or elevated temperatures
GB/T 7762 Rubber, vulcanized or thermoplastic - Resistance to ozone cracking - Static strain test
GB/T 11345 Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment
GB/T 11352 Carbon steel castings for general engineering purpose
HG/T 2198 Vulcanized rubber - The general requirements for the physical test method
HG/T 2502 5201 silicone grease
JB/T 5936 Engineering machinery - General technical specifications for mechanical processed parts
JB/T 5943 Construction machinery - General specifications for welding parts
JT/T 722 Specifications of protective coating for highway bridge steel structure
JT/T 901 Polymer materials sliding plate for bridge bearings
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1.1
pot bearing
bearing using the rubber plate sealed in the steel pot to bear the dead load and live load of the superstructure and transfer the load to the sub-structure
Foreword i
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Classification, structural forms and models
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Test method for vertical bearing capacity of bearings
Annex B (Normative) Test method for horizontal bearing capacity of bearings
Annex C (Normative) Test method for friction coefficient of bearings
Annex D (Normative) Test method for bearing rotation angle
Annex E (Informative) Description of bearing installation (example)
JT/T 391-2019, JT 391-2019, JTT 391-2019, JT/T391-2019, JT/T 391, JT/T391, JT391-2019, JT 391, JT391, JTT391-2019, JTT 391, JTT391
Introduction of JT/T 391-2019
Pot bearing for highway bridge
1 Scope
This standard specifies the product classification, structural forms, models, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of pot bearings for highway bridges.
This standard is applicable to the production, inspection and use of pot bearings with design bearing capacity of 1MN~80MN for highway bridges.
2 Normative references
The following referenced documents are indispensable for the application 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.
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
GB/T 699 Quality carbon structure steels
GB/T 700 Carbon structural steels
GB/T 1040.3 Plastics - Determination of tensile properties - Part 3: Test conditions for films and sheets
GB/T 1184 Geometrical tolerancing - Geometrical tolerances for features without individual tolerance indications
GB/T 1591 High strength low alloy structural steels
GB/T 1632.3 Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometer - Part 3: Polyethylenes and polypropylenes
GB/T 1682 Rubber, vulcanized - Determination of low-temperature brittleness - Single test piece method
GB/T 1804 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 2040 Copper and copper alloy sheet
GB/T 3077 Alloy structure steels
GB/T 3280 Cold rolled stainless steel plate, sheet and strip
GB/T 3323 Radiographic examination of fusion welded joints in metallic materials
GB/T 3398.1 Plastics - Determination of hardness - Part 1: Ball indentation method
GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests - Air-oven method
GB/T 6031 Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)
GB/T 7233.1 Steel castings - Ultrasonic examination - Part 1: Steel castings for general purposes
GB/T 7759.1 Rubber, vulcanized or thermoplastic - Determination of compression set - Part 1: At ambient or elevated temperatures
GB/T 7762 Rubber, vulcanized or thermoplastic - Resistance to ozone cracking - Static strain test
GB/T 11345 Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment
GB/T 11352 Carbon steel castings for general engineering purpose
HG/T 2198 Vulcanized rubber - The general requirements for the physical test method
HG/T 2502 5201 silicone grease
JB/T 5936 Engineering machinery - General technical specifications for mechanical processed parts
JB/T 5943 Construction machinery - General specifications for welding parts
JT/T 722 Specifications of protective coating for highway bridge steel structure
JT/T 901 Polymer materials sliding plate for bridge bearings
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1.1
pot bearing
bearing using the rubber plate sealed in the steel pot to bear the dead load and live load of the superstructure and transfer the load to the sub-structure
Contents of JT/T 391-2019
Foreword i
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Classification, structural forms and models
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Test method for vertical bearing capacity of bearings
Annex B (Normative) Test method for horizontal bearing capacity of bearings
Annex C (Normative) Test method for friction coefficient of bearings
Annex D (Normative) Test method for bearing rotation angle
Annex E (Informative) Description of bearing installation (example)
