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成贵铁路无砟轨道板完成生产
2017-08-30 07:26:28 中国青年网
右图:8月28日,乐山制板场在生产最后一张CRTSIII型先张法无砟轨道板。 翟胜辉 摄
在这种混凝土整体基础上铺轨道,列车时速逾350公里
本报讯 (芦连宝 翟胜辉 记者王眉灵)记者从中铁上海工程局集团获悉,8月28日18时,成贵铁路最后一张CRTSIII型先张法无砟轨道板在成贵铁路乐山制板场浇注完成,比计划工期提前两个月。
无砟轨道是指采用混凝土、沥青混合料等整体基础取代散粒碎石道床的轨道结构,钢轨、轨枕直接铺在混凝土路上,列车时速可以达到350公里以上。成贵铁路部分路段采用了CRTSⅢ型无砟轨道板,这是我国自主研发、具有完全自主知识产权的一项重大科技成果,也是我国高速铁路无砟轨道技术实现国产化的重要标志。
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