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沪昆高铁今天全线开通运营 列车运行时速300公里

2016-12-28 11:10:03   

今天上午十点,沪昆高铁最后一段,昆明到贵阳段将开出首发列车。这标志着我国四纵四横高铁网中最南边的一横——沪昆高铁全线开通运营。

沪昆高铁,东起上海,西至昆明,途经上海、浙江、江西、湖南、贵州、云南等省市,线路全长2252公里,列车运行时速300公里,是我国东西向线路里程最长、速度等级最高、经过省份最多的高速铁路,多项技术指标达到世界领先。

中铁电气化局沪昆高铁云南段项目部常务副经理 周立革:沪昆高铁贵昆段,以时速300公里穿越海拔2000米的高原,这在世界上还是第一次,供电系统经联调联试达到开通条件,并且可以满足跑350公里的技术要求。

开通运营初期,昆明到贵阳间开行高铁列车,运行时间将由原来最快8个小时压缩到两个半小时,2017年1月5日起,昆明将开行到上海、北京等方向的高铁列车,运行时间将由现在最快30多个小时分别压缩到11小时和12小时左右。

云南段通信网络信号全覆盖

在沪昆高铁云南段沿线目前同步开通了4G网络信号。哪怕在是时速300公里的动车上,一样可以在手指拨动间发微信、打电话。

为确保乘客在高铁上能享受到稳定的通信网络信号,高铁云南段沿线共建成405个基站,3家电信企业6个系统的信号覆盖率达到95%以上,基础设施共享率达到100%。

中国铁塔有限公司云南省分公司建设维护部 李剑巧:我们在这64.9公里的隧道里边一共占用了114个洞室。这114个洞室里安装的是运营商的设备,整条线下来我们总的站点数是405个,运营商的设备总共安装了1228套。

北盘江特大桥 列车过桥不减速

沪昆高铁全长2266公里,北盘江特大桥无疑是浓墨重彩的一笔。作为沪昆高铁重要控制性工程,北盘江特大桥创下了多项纪录。

北盘江特大桥位于贵州关岭布依族苗族自治县与晴隆县交界的峡谷中,全长721.25米,主跨445米,桥面距江面约300米。

填充、外包混凝土就像是给大桥的骨架装上了“肌肉”,整个北盘江特大桥有180块高强度的“肌肉”,这是大桥能够承受时速350公里高速列车的重要保证。

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