This standard specifies the specifications, classification, models, product composition, structure, materials, requirements, test methods, inspection rules, marking, packaging, transportation, and storage requirements of basin bearings for urban rail transit bridges. This standard is applicable to basin type bearings for urban rail transit bridges and road bridges in areas with a vertical design bearing capacity of 500 kN~100 000 kN and seismic fortification intensity below 8 degrees (including 8 degrees). It is not applicable to bearings for maglev rail transit and straddle type monorail transit bridges. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 528 Vulcanized rubber or thermoplastic rubber Determination of tensile stress-strain properties GB/T 1033.1 Plastics - Determination of density of non cellular plastics - Part 1: Immersion method, Liquid Pycnometer Method and Titration Method GB/T 1040.2 Plastics, Determination of Tensile Properties, Part 2: Test Conditions for Moulding and Extrusion Plastics GB/T 1591 Low Alloy High Strength Structural Steel GB/T1682 Vulcanized Rubber Determination of Low Temperature Brittleness Single Sample Method GB/T 2040 Copper and Copper Alloy Plate GB/T 3280 Stainless Steel Cold Rolled Sheet and Strip GB/T 3398.1 Plastics Hardness Determination Part 1: Ball Indentation Method GB/T3512 Vulcanized Rubber or Thermoplastic Rubber Accelerated Aging and Resistance to Hot Air Thermal testing GB/T 4171 Weathering resistant structural steel GB/T 6031 Determination of hardness of vulcanized or thermoplastic rubber (10-100 IRHD) GB/T 7759 Determination of compression set at room temperature, high temperature, and low temperature GB/T 7762 Ozone cracking resistance static tensile test of vulcanized or thermoplastic rubber GB/T 50661 Welding specification for steel structures HG/T 2366 Dimethylsilicone oil HG/T 25025201 Silicone grease TB/T 2331 Railway bridge basin bearings
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