: The first set of numbers is the serial number of the standard, followed by the year it was last updated (e.g., JGJ 107-2016). Impact on Project Safety and Quality
: The "/T" indicates a recommended (voluntary) standard rather than a mandatory one.
: Codes such as JGJ 26-2018 (Energy efficiency for residential buildings in cold zones) and JGJ 475-2019 (Moderate climate zones) set thermal design requirements to minimize environmental impact. : The first set of numbers is the
JGJ standards are issued by the Ministry of Housing and Urban-Rural Development (MOHURD) of China. These codes provide specific technical requirements for design, construction, quality inspection, and safety management. While "GB" (Guobiao) standards represent general national standards, JGJ codes focus specifically on the nuances of the engineering and construction sector. Key Categories of JGJ Standards
The keyword most prominently refers to the Jian Gong Biao Zhun (Technical Specifications for Construction), a series of professional standards and technical codes used in the construction industry in the People's Republic of China. JGJ standards are issued by the Ministry of
JGJ codes are categorized by their technical focus. Common areas include:
: Certain codes are dedicated to specific venue types, such as JGJ 31-2003 , which addresses the design requirements for sports venues. Understanding the Code Nomenclature Each JGJ code follows a specific naming convention: JGJ : Professional standard for construction. Key Categories of JGJ Standards The keyword most
: JGJ/T 23-2011 details the technical specification for inspecting concrete compressive strength using the rebound method. JGJ/T 70-2009 outlines the experimental methods for testing the basic properties of construction mortar.