Japanese Mechanical Structure Seamless Steel Pipes
The creation of seamless steel pipes has enabled the modern scientific and industrial revolutions to progress. The exact origins of these amazing tools and the people who first discovered them have been lost to the annals of history, but the fact......
12801-91 Production Process Safety and Health Requirements General Provisions
This standard specifies the requirements and regulations of the production process safety and health in order to prevent and reduce occupational accidents, injuries and diseases. The objective of this standard is to ens......
GB 3838-88 Groundwater Environment Quality Standard
Introduction
The quality of groundwater is important for human activities, environment protection and ecological security. To ensure the quality of groundwater, the Environmental Protection Agency of China (EPA) established the Groundwater Env......
GB/T 13201--91 Technical Method for Establishing Local Atmospheric Pollutant Emission Standards
This paper focuses on the technical method formulated in the standard of GB/T 13201--91, designed to establish local atmospheric pollutant emission standards. This standard specifies the steps and proc......
Introduction
GB/T24001-2004 is a national standard in China for environmental management systems stipulating the requirements of an environmental management system. This standard applies to any organization that wants to establish and maintain an effective environmental management system (EMS) an......
Welding process is a method of joining two or more metal parts by using heat and pressure.Heat generated by electric arc, resistance or other process melts the two parts and fuses them together, and then applying pressure joins them together. Compared to other joining processes, welding is general......
Welding of Structural Steel Frameworks
Structural steel frameworks are commonly used in the construction of bridges, buildings, and other infrastructure projects. Welding is an essential part of fabricating these structures, as it allows the steel components to be securely joined together.
There......
Steps for Welding Steel Structures According to JGJ 81-2002
Welding of steel structures is an important process in the construction and manufacturing industry. In the past, welding processes were largely undocumented and the industry relied on trial and error methods of welding that were often ti......
Welding Technology Specification for Steel Structures in Building Construction of JGJ81-2002 (VI)
Welding is a commonly used technology in steel structure building construction. In order to promote the standardization of welding technology and reduce welding defects, the welding technology specif......
Welding Technology Regulation (18) on Steel Structures in BuildingsJGJ81-2002
The article originates from the national industrial production standard (JGJ81-2002) for the construction of steel structures. It is about the welding technology regulation of the steel structures.
The article consis......