3 1 March, the fourth station of Dalian metro project passed shield the user test close together, now, Dalian Metro Group 4 Shield made by all users joint inspection, including the first shield tunneling has completed the task at the construction site 180 meters. The joint inspection of the fourth station will be used to shield off the ground subway Dalian Xinghai Square Street to the subway construction.
Handling since July 2010, Dalian Metro Division held a mobilization meeting, after production, the upper and lower division attaches great importance to the development of a number of measures to ensure the shield machine production schedule and quality, and early technical preparedness, refinement sort out details, pay close attention to component parts, strict quality control. In the manufacturing process, the first production system based on manufacturing experience, grasp of product prefabricated, assembly space science and mercy, so that after the three shield assembly in the same scene to complete the test, according to the production node to complete the shield machine manufacturing tasks, namely to shorten assembly times a month, saving a lot of manpower and resources, Dalian Metro hand a satisfactory answer.