Construction method of concrete pile by soil extraction and pressure filling
A construction method and technology for pouring concrete, applied in sheet pile walls, infrastructure engineering, construction, etc., can solve the problems of inability to operate continuously, lack of bearing capacity, poor effect, etc., to improve construction efficiency, use effect, and speed. quick effect
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[0009] figure 1 It is a schematic diagram of an embodiment of the construction method of the present invention. First, as figure 1 As shown in a, the soil borrowing device 1 with the feed pipe 2 is sinked into the soil by means of heavy hammer hammering. During the sinking, the in-situ soil pours into the opening at the bottom of the soil borrowing device 1 The inner cavity of the soil borrowing device 1; then, as figure 1 As shown in b, continuous hammering will sink the soil borrower 1 to the set depth; then, as figure 1 As shown in c, while pumping the cement mixture 3 into the feed pipe 2 in the soil borrowing device 1, while lifting the soil borrowing device 1 upwards, the cement mixture 3 is mixed with cement, soil, sand and water. The cement mixture 3 is discharged at the bottom of the soil borrowing device 1 through the feed pipe 2; then, as figure 1 As shown in middle d, the operation of pumping the cement mixture 3 and the upper soil extraction device 1 is continued unt...
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