GB/T 41960-2022Leg mating unit (English PDF)

1 Scope

This document establishes the structure, specification and marking method of butt-leg buffering devices, specifies the appearance quality, size, performance, and inspection,

Requirements for marking, packaging, transportation and storage, describes the test method for internal elastic buffers.

This document is applicable to the declaration of conformity of the product by the manufacturer of the butt joint cushioning device of the legs used when the floating structure is installed, or

As the basis for signing a trade contract between the manufacturer and the purchaser, it can also be used as the basis for certification by the certification body. Knot with elastic buffer structure

The structure separation buffer device shall be implemented according to this document.

2 Normative references

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

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

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

GB/T 529 Determination of tear strength of vulcanized rubber or thermoplastic rubber (trouser-shaped, right-angled and crescent-shaped specimens)

GB/T 712 Structural steel for ships and ocean engineering

GB/T 1591 Low-alloy high-strength structural steel

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

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

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

GB/T 3672.1-2002 Tolerances of Rubber Products Part 1.Dimensional Tolerances

GB/T 6403.4 Rounding and chamfering of parts

GB/T 7759.1 Determination of compression set of vulcanized rubber or thermoplastic rubber - Part 1.At room temperature and high temperature

GB/T 7760 Determination of Adhesive Strength of Vulcanized Rubber or Thermoplastic Rubber to Hard Sheets 90° Peeling Method

GB/T 7762 Vulcanized rubber or thermoplastic rubber resistance to ozone cracking static tensile test

GB/T 11345 Ultrasonic testing technology, testing level and evaluation for non-destructive testing of welds

GB/T 14684-2011 Construction sand

GB/T 19804-2005 General dimensional and geometric tolerances of welded structures

GB/T 26951 Non-destructive testing of welds Magnetic particle testing

GB 50661-2011 Welding Code for Steel Structures

JT/T 722-2008 Technical conditions for anti-corrosion coating of steel structures of highway bridges

JTS/T 209 Code for anti-corrosion construction of waterway engineering structures

SY/T 5108-2014 Proppant performance test method for hydraulic fracturing and gravel packing operations

3 Terms and Definitions

The following terms and definitions apply to this document.