近日，天津市滨海新区首条地铁线“卓越一号”盾构机在轨道交通B1线四标项目第九大街站顺利始发，正式开始了第九大街站至云山道站右线区间的掘进任务。
据了解，第九大街站至云山道站盾构区间右线盾构区间从第九大街站出发向东南延伸，沿线侧穿高压铁塔、下穿孟港排河、下穿云山道公路桥、侧穿滨海职业学院景观河、下穿滨海学院南2号门桥梁、下穿各类市政管线43处，终至云山道站，区间右线里程为1424.197m，区间纵断面为V型坡，右线最大纵坡为24.95‰，隧道覆土埋深为10.9～19.5m。
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