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成贵铁路乐山制板场完成51351块CRTSIII型先张法无砟轨道板生产
央广网乐山8月29日消息(记者贾宜超 通讯员芦连宝 翟胜辉)8月28日,随着最后一片CRTSIII型先张法无砟轨道板的浇注完成,成贵铁路乐山制板场圆满地完成了成贵铁路乐山至宜宾1至6标段144公里范围内51351块CRTSIII型先张法无砟轨道板的生产任务,比计划工期提前了两个月,为成贵铁路2018年12月建成通车奠定了坚实的基础。
成贵高铁被称为“世界第一条山区高速铁路”,是国家实施新一轮西部大开发的标志性工程之一。在无砟轨道板的预制过程中,中铁上海工程局成贵铁路乐山制板场的建设者们在原CRTSⅢ型后张法无砟轨道板的基础上,通过深入开展科技创新,先后解决了轨道板平面度翘曲量超标、表面气孔麻面、承轨台根部及钳口细微裂纹等问题,确保了轨道板内实外美。同时,通过采用先进的工艺手段,实现了轨道板生产信息化标准管理,创建了快速有效的质检系统,确保CRTSIII型先张法无砟轨道板的整体耐久性,有效延长了轨道板结构的使用寿命。板场的工程技术人员还在轨道板运输胎具、轨道板防倾倒保护架、轨道板模具除尘细管、热缩套管排布定位模具、钢筋切割等长集料装置、锚固板上紧装置等方面进行了技术攻关,先后斩获6项国家实用新型发明专利。
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