GB/T 41217-2021

Active

City metro and composite pipe gallery hot-rolling channel

城市地铁与综合管廊用热轧槽道

Standard Type
GBT
ICS
91.060
CCS
S05
Status
Active
Issue Date
2021-12-31
Implementation
2022-07-01
Centralized Committee
住房城乡建设部
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the dimensions, technical requirements, test methods, and inspection rules for hot-rolled channels used in urban metro tunnels and utility tunnels (composite pipe galleries). It is applied in the construction and installation of support systems for cables, pipelines, and equipment within these underground infrastructure projects. The standard ensures structural compatibility, load-bearing capacity, and corrosion resistance for long-term safety in rail transit and municipal engineering contexts.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.