天津地铁2号线机场延长线工程区间风井~机场站盾构区间要下穿天津滨海国际机场停机坪,这在天津市地铁建设历史上是首次出现下穿机场停机坪。在盾构区间下穿期间,如何做好盾构推进工作、停机坪监测工作、严格控制沉降值,保证停机坪的平整性,对飞机安全滑行及停机坪运营安全具有重要意义。 Extension of Tianjin Metro Line 2 Airport Extension Wind Tunnel ~ Airport Shield Tunnel interval to wear under the Tianjin Binhai International Airport apron, which is the first time in the history of Tianjin subway construction under the apron. During the period of wearing down the shield, how to do the work of shield advancement and apron monitoring, strictly control the settlement value and ensure the smoothness of the apron are of great significance to the safety of aircraft gliding and the operation safety of the apron.