ISO 22480-1-2022 铁路设施--轨道用混凝土轨枕和承木--第1部分：一般要求

ISO 22480-1-2022铁路设施--轨道用混凝土轨枕和承木--第1部分：一般要求【适用范围】This document defines technical criteria and control procedures which need to be satisfied by the constituent materials and the finished concrete sleepers and bearers, i.e. precast concrete sleepers, twin-block reinforced sleepers, bearers for switches and crossings, and special elements for railway tracks.【正文命中】ERNATIONAL ISO STANDARD 22480-1 First edition 2022-01 Railway applications — Concrete sleepers and bearers for track — Part 1: General requirements Applications ferroviaires — Traverses et supports en béton pour la voie — Partie 1: Exigences générales Reference number ISO 22480-1:2022(E) ？ ISO 2022 ISO 22480-1:2022(E) COPYRIGHT PROTECTED DOCUMENT ？【中国标准分类】  H52  钢铁产品【国际标准分类】  45.080-钢轨和线路构件现行发布日期：2022-01-01