轨道交通调线调坡技术及改进研究

在城市轨道交通施工过程中,由于桥梁、隧道、地下车站等轨道交通构筑物的截面比较紧凑,在施工期间难免会产生施工误差结构变形,使结构物偏离设计位置。对于偏离较大的地段,首先通过调整线路平面和纵断面,或调整设备,以此来减少偏差,满足建筑限界要求。然后根据调整后的线路平、纵断面进行综合铺轨图的设计或变更设计,最终才能施工轨道结构和铺轨。通过对轨道交通调线调坡设计流程进行梳理,对调线调坡方法进行总结,并根据设计经验,对调线调坡技术提出用建筑限界代替设计值,引入“限界圆”检测,并进行可视化研究等改进建议。列举工程实例,并总结若干难度较大的因素,建议提早介入,减少对相关专业的影响。     

Design of the Minimum Curve Radius of the Hainan East Ring Railway

The minimum curve radius is one of the most important factors in railway route design.The minimum curve radius of the Hain-an East Ring Railway, a newly built high-speed passenger-dedicated line from Haikou to Sanya, Hainan, China, was determined through comparative analysis of the design codes both in China and Germany.The results show that the design parameters of the Hainan East Ring Railway in terms of the minimum curve radius determined by China's Temporary Regulations, conform to the ones by German code, and even preserve some capacity for speeds up to 300 km/h in the future.Additionally, the related counter-measures for speed increases in this line were proposed on the premise of the safety and riding comfort of the trains.     

抗州地铁2号线沈塘桥站双列位停车线设置方案研究

停车线的设置应综合考虑建设成本、客流需求、运营管理等方面的因素.在故障列车救援、行车组织灵活性等方面,双列位停车线较单列位停车线更具优势.以杭州地铁2号线沈塘桥站为例,结合全线的配线设置、工程实施条件、工程投资等情况,阐述了该站采用双列位停车线方案在增加运营灵活性、降低施工难度、缩短施工工期、节省工程投资、减少交通影响等方面的优点,并总结了双列位停车线的设计和施工经验.     

杭州地铁2号线沈塘桥站双列位停车线设置方案研究

停车线的设置应综合考虑建设成本、客流需求、运营管理等方面的因素。在故障列车救援、行车组织灵活性等方面,双列位停车线较单列位停车线更具优势。以杭州地铁2号线沈塘桥站为例,结合全线的配线设置、工程实施条件、工程投资等情况,阐述了该站采用双列位停车线方案在增加运营灵活性、降低施工难度、缩短施工工期、节省工程投资、减少交通影响等方面的优点,并总结了双列位停车线的设计和施工经验。