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Mud concentration type shield tunneling construction method for shield tunneling machine
The invention relates to a mud concentration type shield tunneling construction method for a shield tunneling machine. According to the method, an excavating surface and an over-excavation part are pressurized and filled with thick mud to form a mud film layer, so that the accidents of surface subsidence, upheaval and the like can be completely eliminated, construction accuracy is well improved, and the cost is reduced; a plasticizer is added, and a lubricating layer is maintained, so that long-distance tunneling, sharp curve tunneling and rock stratum tunneling are facilitated; working shafts are reduced, working efficiency is improved, and the cost of a construction period is reduced; a vacuum mud discharging manner is adopted, so that low workload and high safety are achieved, forced ventilation in a tunnel can be driven, and harmful gas hazards such as gas in the tunnel can be completely eliminated.
Mud concentration type shield tunneling construction method for shield tunneling machine
The invention relates to a mud concentration type shield tunneling construction method for a shield tunneling machine. According to the method, an excavating surface and an over-excavation part are pressurized and filled with thick mud to form a mud film layer, so that the accidents of surface subsidence, upheaval and the like can be completely eliminated, construction accuracy is well improved, and the cost is reduced; a plasticizer is added, and a lubricating layer is maintained, so that long-distance tunneling, sharp curve tunneling and rock stratum tunneling are facilitated; working shafts are reduced, working efficiency is improved, and the cost of a construction period is reduced; a vacuum mud discharging manner is adopted, so that low workload and high safety are achieved, forced ventilation in a tunnel can be driven, and harmful gas hazards such as gas in the tunnel can be completely eliminated.
Mud concentration type shield tunneling construction method for shield tunneling machine
TAN HAIQIANG (author)
2015-06-10
Patent
Electronic Resource
English
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