This Part of GB 146 specifies the basic structure gauge, tunnel structure gauge, bridge structure gauge and bridge and tunnel structure gauge of 1 435 mm standard gauge railway tracks. This Part applies to the design, construction, operation and maintenance of the following standard gauge railway tracks. -- v ≤ 160 km/h passenger and freight railway; -- v > 160 km/h passenger and freight railway; -- Passenger dedicated railway.
Basic Data
Standard ID
GB 146.2-2020 (GB146.2-2020)
Description (Translated English)
Gauge for standard gauge railways - Part 2: Structure gauge
Sector / Industry
National Standard
Classification of Chinese Standard
S04
Classification of International Standard
93.100
Word Count Estimation
14,174
Date of Issue
2020-10-11
Date of Implementation
2021-05-01
Older Standard (superseded by this standard)
GB 146.2-1983
Regulation (derived from)
National Standard Announcement No. 21 of 2020
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
