GB 146.2-2020

Active

Gauge for standard gauge railways—Part 2: Structure gauge

标准轨距铁路限界第2部分：建筑限界

Standard Type

ICS

93.100

CCS

S04

Status

Active

Issue Date

2020-10-11

Implementation

2021-05-01

Centralized Committee

国家铁路局

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

GB 146.2-2020 specifies the structural gauge limits for standard gauge railways, defining the minimum clearances required between railway infrastructure (such as tunnels, bridges, platforms, and trackside equipment) and the railway vehicles. It is applied in the design, construction, and maintenance of railway lines in China to ensure safe train passage and prevent collisions with fixed structures. This standard is critical for civil engineering projects involving new railway construction, line upgrades, and infrastructure modifications.

Related Standards

GB/T 30012-2013 Regulations for operation management of urban rail transit GB/T 30013-2013 Basic condition for trial operation of urban rail transit GB 146.2-1983 Structure gauge for standard gauge railways GB 6389-1997 Safety standards for railway level crossing in industrial enterprises

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.