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京张高铁开啃“硬骨头” 计划2019年12月实现通车

2017-06-22 07:40:55   北京晨报

2022年冬奥会,市民不仅能坐着高铁去看奥运,还可以体验在长城脚下穿越的感觉。北京晨报记者昨天从市住建委获悉,目前京张高铁北京段完成进地比例98%,征拆工作取得突破性进展,所有特大桥、隧道等线路重点工程全部进场施工,将按计划在2019年12月实现通车。施工方中铁五局相关负责人介绍,目前工程进展到啃“硬骨头”的阶段,八达岭隧道全面进入正线施工,作为目前世界上埋深最大的高速铁路地下站——八达岭长城站也已开建。

车站主体工程计划年底完工

去年4月,京张高速铁路正式开工建设。它东起北京北站,途经海淀区、昌平区和延庆区,由延庆区康庄镇入河北省境内,全长174公里,共设10个车站,设计时速为350公里。预计到2019年,京张高铁将建成通车,届时北京到张家口的铁路最短运行时间将缩短至50分钟以内。

在八达岭滚天沟停车场下方设置的八达岭长城站,是全线唯一一座地下车站。据施工方中铁五局相关负责人介绍,京张高铁八达岭长城站位于长城正下方,整个车站藏在山下,设计埋深108米,建筑面积3.6万多平方米,都创下了世界之最。整个车站是三层结构,进出站形式和机场航站楼类似,下层是进站通道,上层是出站通道,在高铁地下车站中首次采用叠层进出站通道形式,进出站旅客互不干扰,客流可以均匀分布。

目前,车站两头的大跨过渡段、到发线的三联拱结构开始施工,这也是整个车站难度最大的工程,“左右洞已经开挖,中洞计划在7月开始掘进。”按照计划,车站主体工程和到发线的三联洞今年年底能够完工;整个八达岭隧道在明年8月底将全部开挖完成。

整个工程采取了多项新技术,比如,隧道下穿文物和临近复杂洞群,首次采用电子雷管微损伤精准控制爆破技术,消除了对文物和环境的不利影响。

拆迁居民热切期盼回迁楼

截至目前,铁路部门已提交北京段征拆红线63.96公里,进地62.56公里,进地比例为98%,所有特大桥(连续梁)、隧道均进场施工。昌平区正进行69户宅基地周转搬迁工作(约2.07万平方米,影响1.4公里路基),计划6月完成。延庆区已于4月完成正线全部征拆工作。

2016年初,延庆区成立京张高铁征拆指挥部。在拆迁工作中,坚持依规依策、让利于民、注重区里政策的连续性和平衡性原则,通过工作的连续性确保公平,做到工作透明,拆迁阳光,实现补偿政策公开,实施方案公开、评估数量公开、测绘数据公开、宅基地认定原则和结果公开。在评估、测绘数据公开过程中有60多个被拆迁人要求复核,复核后将结果再次进行公示,打破了暗箱操作现象的存在。截至目前,无一例被拆迁户上访事件发生。

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