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中国最快地铁!北京新机场线开建(图)

2016-12-27 09:38:48   北京日报

全程三站均能换乘

新机场线的规划,还特别考虑了与市区轨道交通线网的高效衔接。

线路起点草桥站,目前已运行着地铁10号线,但10号线属于环线、距离较长,且客流已经过大。因此,本市同期规划建设了与新机场线衔接的另一大干线——地铁19号线一期工程。19号线一期北达牡丹园站,堪称“新机场线的城内段”。通过与19号线的换乘,旅客能实现二环内与新机场之间半小时通达。

其实,草桥站未来还将实现“四线换乘”,除了10号线和19号线外,还能换乘规划中的11号线。

不仅如此,草桥站还将成为新机场在中心城区的“触角”,车站旁将建设城市航站楼,方便旅客在草桥站提前办理值机手续、托运行李。

此前,机场快轨的起点东直门站也曾尝试建设城市航站楼,但受制于行李运输等难题一直未能投用。新机场该如何避免类似难题?设计人员分析,从值机地点上看,草桥站地下一层的换乘厅和地上一层都能办理值机,可方便各路客流;从托运行李上看,新机场线列车采用“7+1”编组,有专门的行李拖挂车厢;从服务品质上看,草桥航站楼值机采用的是机场标准,可容纳2000万客流,办理速度将与机场统一。

新机场线的另外两座车站也都是换乘车站:在磁各庄站可以换乘规划中的城际联络线;新机场北航站楼站则是“五线换乘”,除新机场线外,还有京霸城际铁路、廊涿城际铁路(与城际联络线共线)和其它两条预留线。

快轨列车与高铁并排跑

规划显示,新机场线南起南三环草桥,与磁各庄站之间均为地下段,接连穿越四环、五环、六环路后,将慢慢驶出地面,迎来16公里的高架路,并下穿京沪高铁。

而过了京沪高铁,新机场线将迎来施工最困难的一段区间。北京市政路桥市政集团相关负责人说,这一段全长7.9公里,从上到下交叠三层:新机场高速是高架,在地上约24米的位置;中间位置为新机场快轨;地面则是一级公路团河路。这三项工程将同步施工,难度非同小可,也是北京市首次采用共构方式与新机场高速共廊建设,在国内城市轨道交通和高速公路建设领域极为罕见。

庞安路一过,新机场线又转换位置,与新机场高速、京霸城际铁路实现三线“并排跑”。

而进入新机场后,快轨站台位于新机场北航站楼综合交通中心地下二层。北京城建集团相关负责人说,综合交通中心建成后将成为一个集高铁、城际、地铁为一体的大型综合枢纽。

2019年9月起服务新机场

区别于此前任何一条地铁,新机场线的投资、建设、运营方有个新名字——“城市铁建”。

一个半月前,采用PPP模式(政府和社会资本合作模式)建设的新机场线才刚刚敲定结果:北京市轨道交通建设管理公司联合北京城建集团、北京市政路桥集团、中铁建集团等八家单位组成的联合体中标,将作为社会投资人与政府出资人代表组成新机场线特许公司,负责新机场轨道线项目从投资、建设到运营的全过程、全链条管理。

此前,北京地铁4号线、14号线、16号线都有过PPP模式的尝试,但这次新机场线则首创了“大PPP模式”。市轨道交通建设管理公司相关负责人说,区别于4号线等线路只针对于设备的PPP合作,新机场线在土建方面也采取PPP模式,进一步减轻了政府出资压力。于是,新机场线也就成为截至目前北京轨道交通投资规模最大、最为严格、最具完整意义的社会化引资项目。

根据计划,新机场线将有大约35个月的建设工期,预计在2019年9月通车试运营,特许经营期为30年。

责任编辑:陈倩 CN030
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