JGJ81-2002 Building Steel Structure Welding Technology Specification (Twelfth)
Welding technology specification of the building steel structure (JGJ81-2002) is an important specification of the construction industry. It is applicable to the welding of steel structure. Its object is to set the limit, technical requirements and other requirements for the welding of steel structures in buildings.
1、Implementation date
The specification was promulgated on September 23, 2002 and was officially implemented on July 1, 2003.
2、The scope of application
The scope of this specification is applicable to the following situations:
a、The welding construction of the steel structure of various buildings and structures, including multi-layer structures, high-rise steel structures and bridges, as well as crane beams.
b、The welding of steel structures of non-building structures, such as bridges, petrochemical towers, ships and offshore facilities.
c、Normal temperature, below-ambient temperature, vacuum and underwater environment.
3、Welding consuming materials
The welding consumable materials used in the construction of steel structures in buildings shall conform to the requirements of the current version of JGJ32-2002 welding consumable materials.
4、Welding construction process
The welding process adopted in the construction of steel structures in buildings shall meet the requirements of JGJ42-2002 welding construction process.
5、Welding quality acceptance
The welding of steel structures in buildings shall meet the requirements of JGJ51-2002 welding quality acceptance.
6、Welding safety regulations
The safety regulations of the welding process for steel structures of various buildings and structures shall comply with the requirements of JGJ61-2002 welding safety regulations.
7、Welding defects
The welding defects of steel structures of various buildings and structures shall conform to the requirements of JGJ71-2002 welding defects.
8、Conclusion
This specification is an important specification for the construction industry. It is applicable to the welding of steel structures in various buildings and structures, and provides a clear technical specification for the welding and construction of steel structures in buildings. It helps to improve the construction quality of steel structures in buildings and ensure the safety of construction projects.
