A supersoft dredger fill shallow layer solidification device and its solidification method
A solidification device and technology of dredging and filling soil, which is applied in the fields of soil protection, construction, and infrastructure engineering, etc., can solve the problems of low degree of mechanization, extended construction period, and high construction cost, and achieve high economic feasibility, strong operability, and The effect of shortening the construction period
Active Publication Date: 2021-11-12
HOHAI UNIV
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Problems solved by technology
This method has certain defects and deficiencies. On the one hand, it takes a long time for natural consolidation, which greatly prolongs the construction period, and the degree of mechanization is low, the construction efficiency is low, and it is difficult; on the other hand, a large amount of sand and gravel materials are required as holding force. layer and horizontal drainage cushion, the construction cost is higher
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Embodiment 1
[0040] see Figure 1-7 As shown in the figure, the present invention discloses a super-soft blowing soil shallow solidification device, comprising a top plate 1, a bottom plate 2, a main shaft 3 and a supporting frame 4 connected between the top plate 1 and the bottom plate 2;
[0041] The top plate 1 is made of high-strength and light-weight material, and is provided with two connecting pins 11 on one side and two connecting pin holes 12 matched with the connecting pins 11 on the opposite side; to the effect of the connection arrangement.
[0042] The bottom plate 2 is a high-strength water-impermeable geotextile to enhance its sealing and water-tight performance.
[0043] The main shaft 3 includes an outermost hollow circular pipe 31 and a built-in water pipe 32; the upper end of the built-in water pipe 32 is externally connected with a vacuum pump.
[0044] The lower end of the main shaft 3 is fixed at the center of the bottom plate 2, and the upper end moves through the ...
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The invention discloses a shallow-layer solidification device for ultra-soft dredged fill soil and a solidification method thereof. The device includes a main shaft, a top plate, a bottom plate, a supporting frame, a filter screen, and a vacuum pump; the connection of the airflow and the waterway between the filter screen and the vacuum pump is formed. Through the elastic release of the spring in the main shaft, the outer filter screen is opened to squeeze the ultra-soft dredged fill soil. At the same time, the water pipe inside the device is connected to the vacuum pump, so that the filter screen is in a negative pressure state, and a pressure is formed between the soil and the filter screen. Poor, the water in the soil is discharged from the filter screen and finally sucked away by the vacuum pump, which accelerates the consolidation of the soil and realizes the rapid compaction and consolidation of the shallow soil of the ultra-soft dredger fill, which greatly shortens the construction period and provides for the next step. On the working face, the device of the present invention has simple structure, convenient operation and is suitable for popularization and application.
Description
technical field [0001] The invention relates to the field of shallow-layer solidifying devices, in particular to a shallow-layer solidifying device for supersoft blowing and filling and a solidifying method thereof. Background technique [0002] Economic growth in the eastern coastal areas of my country is rapid, but land resources are in short supply, and a large amount of land resources are needed in the process of economic development. Reclamation projects have become a way to solve the shortage of land resources in coastal areas. The current method of land reclamation is mainly to reclaim the clay soil deposited offshore as a fluidized soft clay through a pump to form a reclamation material for reclamation from the sea. The filling material, that is, the filling soil, has the characteristics of high moisture content, poor permeability, low bearing capacity, high salt concentration, and soft quality. And if the construction is carried out directly without treatment, it w...
Claims
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IPC IPC(8): E02D3/10
CPCE02D3/10E02D2250/0053
Inventor 倪小东陆江发徐硕姬良龙王媛
Owner HOHAI UNIV