After three years, the industrial standard safety technical standard for socket and turnbuckle steel pipe scaffold in building construction was finally determined and issued on June 30, 2021 JGJ / t231-2021, which will be officially implemented on October 1, 2021, and jgj231-2010 will be abolished at the same time.
On May 21, 2018, the Ministry of housing and urban rural development issued the safety technical standard for socket and turnbuckle steel pipe scaffold in building construction (Draft for comments).
In July, the Ministry of housing and urban rural development issued the catalogue of construction processes, equipment and materials endangering production safety in housing construction and municipal infrastructure projects (the first batch) (Draft for comments).
– end – editor: Song Yangli..
The main technical contents of the standard revision: (1) it is clear that socket type and turnbuckle steel pipe scaffold is divided into support frame and operation frame according to its purpose; (2) Modified the partial load factor; (3) added the structural importance factor and the adjustment factor of the design value of bearing capacity; (4) modified the formula for the effective length of the vertical pole of the support frame; (5) revised the structural requirements for the inclined pole layout of the support frame.
Standard No.: JGJ / t231-2021 Standard Name: safety technical standard for socket type and turnbuckle steel pipe scaffold in construction scope of application: this standard is applicable to the design, installation, demolition, use and management of socket type and turnbuckle steel pipe scaffold in construction and municipal engineering.
A total of 22 construction processes, equipment and materials, bamboo (wood), were eliminated Scaffolds and portal steel pipes are prohibited from erecting support frames all over the hall, and are replaced by socket and disc buckle steel pipe scaffolds, fastener type non cantilever steel pipe scaffolds, etc.
