本文件规定了聚合物复合材料和增强聚合物复合材料在制造聚合物复合铁路轨枕中的特性。本规范适用于所有轨道（包括重型轨道和城市轨道）上安装的轨枕、承木和横梁，无论有无道碴。 注:在本文件中，术语“轨枕”指“轨枕、承力杆和横梁”。

This document specifies the characteristics of polymeric composite and reinforced polymeric composite materials in the manufacture of polymeric composite railway sleepers. It is applicable to sleepers, bearers and transoms to be installed in all tracks (both heavy and urban rail) with or without ballast. NOTE？In this document, the term “sleeper” refers to “sleeper, bearer and transom”.