Large-sized concrete cylindrical structure whose wall and possesses excavating device and sinking method
A technology of concrete and cylinders, which is applied in the direction of foundation structure engineering, construction, sheet pile walls, etc., can solve the problems of difficult control and adjustment of deviation, large amount of engineering, limited depth of sinking of cylindrical structures, etc., to ensure the inclination The effect of precision, easy construction and operation, and low cost
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[0016] An embodiment of the present invention is as follows: a cylinder with a diameter of 18m and a height of 21m has an upper wall thickness of 0.35m, and the wall thickness of the tube foot of 0.5m is 0.50m, such as Figure 1 to Figure 4 As shown, vertical holes with a diameter of 0.15m are set on the wall along the circumference at an interval of 1.0m, and the holes are used to place high-pressure water, air pipes and mud discharge pipes alternately. High-pressure water nozzles and high-pressure air nozzles are arranged in the cavity, respectively connected to the high-pressure water pipes and high-pressure air pipes in the vertical holes; , The height of the angle steel is 100mm ~ 150mm, and the mesh of the grid steel sheet is a rectangular hole of 50mm×50mm.
[0017] After the cylinder is prefabricated, the high-pressure water pipe, high-pressure air pipe and mud discharge pipe are installed in the vertical holes reserved on the cylinder wall, and then the high-pressure ...
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