Collapsible loess treatment method
A technology for collapsible loess and treatment methods, applied in the field of civil engineering, can solve problems such as poor compaction effect, poor economy of pile foundation, and difficult construction, and achieve the effects of improving effect and speed, facilitating operation and construction, and facilitating accurate observation
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[0018] figure 1 It is a process diagram of an embodiment of a method for treating collapsible loess of the present invention. First, as figure 1 As shown in a, in a collapsible loess formation, the drill pipe 1 with an auger bit and a high-pressure injection system is rotated and sunk downward; then, as in figure 1 As shown in b, after submerging the drill pipe to a depth of 1 to 5m, inject high-pressure water into the high-pressure injection system of the drill pipe 1, and at the same time rotate the drill pipe 1 to make the water form a high-pressure jet and spray it to the surrounding soil of the drill pipe; then, as shown in Fig. figure 1 As shown in c, the above-mentioned operations of sinking into the drill pipe 1 and injecting water with high pressure and rotating and jetting are continued until the set depth is 20m; then, as shown in Fig. figure 1 As shown in d, drill pipe 1 is proposed, and the settlement amount of the collapsible loess is observed and recorded until...
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