Split Translation Construction Technology of Shield Tunneling Machine and Steel Sleeve
The shield method is widely used in the tunnel construction of subway projects.The launching and receiving links of the shield machine are the key links of the shield construction,and the shield hoisting needs to occupy a large construction space.In order to optimize the temporary land occupation,traffic relief and pipeline relocation scheme of the station,only one shield lifting well is set up on a single line in the shield receiving station,and the other line is considered to be lifted out after the shield is translated.Taking Zhengyang East Road Station of Qingdao Metro Line 9 as an example,the shield method is used to construct the two ends of the station.The shield machine is received by the shield well,and then the shield machine on the north side is translated to the shield hoisting well on the south side and then hoisted out.The size of the shield receiving well and the requirements for the structural column of the station are clarified,and the steps and corresponding measures for the shield to be translated and hoisted out are described.
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