T/ZZB 1988-2020 Active Group standards

T/ZZB 1988-2020 subway turnout

Publish Date: 2020-12-18 Implement Date: 2020-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 1988-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nTurnouts and rail expansion joints

ICS Name: \nRail tracks and line components

Publish Date: 2020-12-18

Implement Date: 2020-12-30

Scope

Main technical content: This document specifies the terms and definitions, basic requirements, technical requirements, inspection methods, inspection rules and markings, packaging, transportation, storage, and quality commitments for subway turnouts. This document is applicable to all types of single-opening subway turnouts and crossing lines (hereinafter referred to as subway turnouts) that use alloy steel composite turnout switches and allow trains to pass in a straight direction at a speed of no more than 160 km/h.