CN212294618U

CN212294618U - High-pressure cutting and pumping type multi-cavity pile

Info

Publication number: CN212294618U
Application number: CN201922390976.5U
Authority: CN
Inventors: 刘文骏; 于勇; 李腾飞; 贺维国; 邢永辉; 费曼利; 周勇全; 刘庆方
Original assignee: China Railway Liuyuan Group Co Ltd; China Railway Tianjin Tunnel Engineering Survey and Design Co Ltd
Current assignee: China Railway Liuyuan Group Co Ltd; China Railway Tianjin Tunnel Engineering Survey and Design Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2021-01-05
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a high pressure cutting pump drainage formula multi-chamber type stake, include: the high-pressure water pump drainage pump is used for providing high-pressure water and suction; the high-pressure spray head is arranged in the soil body and is communicated with the high-pressure water pump through a high-pressure water pipe, and high-pressure water in the high-pressure water pump is sprayed out of the high-pressure spray head to the soil body through the high-pressure water pipe; and the slurry pumping head is arranged in the soil body and is communicated with the high-pressure water pumping and draining pump through a slurry pumping pipe, and the high-pressure water pumping and draining pump sucks out the water-soil multiphase mixture in the soil body from the slurry pumping head through the slurry pumping pipe. The utility model discloses a high pressure cutting pump drainage formula multi-chamber type pile can be in soft soil stratum such as sand and silt, provides reliable anti buoyancy, resistance to plucking and bearing capacity for superstructure, and does not cause large-scale excavation and backfill to reduce engineering cost, reduce construction period; the pile forming process is simple, the engineering quality is controllable, and the practicability is strong.

Description

High-pressure cutting and pumping type multi-cavity pile

Technical Field

The utility model relates to a building engineering construction field especially relates to a high pressure cutting pump drainage formula multi-chamber type stake.

Background

Along with the rapid development of the infrastructure construction of China, a large amount of engineering construction is carried out in coastal cities and along rivers, the cities are distributed with soft soil strata such as sand, silt and the like, and under the geological condition, the traditional pile foundation can provide reliable anti-buoyancy and bearing capacity for an upper structure by increasing the pile length or the pile diameter.

The method greatly increases the project investment and the project implementation difficulty, has long construction period and has great influence on the surrounding environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft soil stratum such as suitable for sand and silt provides reliable anti buoyancy, resistance to plucking and bearing capacity for superstructure, and does not cause large-scale excavation and the high pressure cutting pump drainage formula multi-chamber type pile of backfilling.

In order to achieve the above object, the utility model discloses a specific technical scheme of high pressure cutting pump drainage formula multi-chamber type stake is:

a high pressure cutting, pump-drainage, multi-cavity type pile, comprising: the high-pressure water pump drainage pump is used for providing high-pressure water and suction; the high-pressure spray head is arranged in the soil body and is communicated with the high-pressure water pump through a high-pressure water pipe, and high-pressure water in the high-pressure water pump is sprayed out of the high-pressure spray head to the soil body through the high-pressure water pipe; and the slurry pumping head is arranged in the soil body and is communicated with the high-pressure water pumping and draining pump through a slurry pumping pipe, and the high-pressure water pumping and draining pump sucks out the water-soil multiphase mixture in the soil body from the slurry pumping head through the slurry pumping pipe.

Furthermore, the high-pressure spray head is of a turning adjusting type so as to adjust the angle and the direction of water spraying.

Furthermore, a visual probe is arranged on the high-pressure spray head.

Further, the high-pressure water pipe and the mud pumping pipe are sleeved in the sleeve.

Furthermore, the high-pressure water pipe and the mud pumping pipe are sleeved in the plurality of connected sleeves.

Furthermore, the high-pressure nozzle at the end part of the high-pressure water pipe and the slurry pumping head at the end part of the slurry pumping pipe are positioned outside the bottom of the sleeve.

Further, the high-pressure water pump is connected with a mud pipe, and the water-soil multiphase mixture in the high-pressure water pump is discharged into the slag settling tank through the mud pipe.

The utility model discloses a high pressure cutting pump drainage formula multi-chamber type pile's advantage lies in:

1) the anti-floating device can provide reliable anti-floating force, anti-pulling force and bearing capacity for the upper structure in soft soil strata such as sand, silt and the like, does not cause large-scale excavation and backfilling, reduces the construction cost and reduces the construction period;

2) the pile forming process is simple, the engineering quality is controllable, and the practicability is strong.

Drawings

Fig. 1 is a schematic structural view of the high-pressure cutting drainage type multi-cavity pile of the present invention.

In the figure: 1. a high-pressure water pump; 2. a sleeve; 3. a joint; 4. a high pressure water pipe; 5. a mud pumping pipe; 6. a high pressure spray head; 7. a slurry pumping head; 8. a sludge discharge pipe; 9. a slag settling tank.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

As shown in fig. 1, it shows that the utility model discloses a high pressure cutting pump drainage formula multi-cavity type pile, including high pressure water pump drainage pump 1, sleeve pipe 2, joint 3, high pressure water pipe 4, mud pumping pipe 5, high pressure nozzle 6, thick liquid head 7, mud discharging pipe 8 and detritus pond 9.

Specifically, the high pressure water pump 1 is used to supply high pressure water, and one side of the high pressure water pump 1 is communicated with the high pressure nozzle 6 through the high pressure water pipe 4, and the high pressure nozzle 6 is disposed in the soil body. The high-pressure spray head 6 is of a steerable adjusting type, the angle and the direction of water spraying can be adjusted, high-pressure water in the high-pressure water pump 1 is sprayed out of the high-pressure spray head 6 through the high-pressure water pipe 4, and the high-pressure water is softened and cuts soil. In addition, a visual probe is arranged on the high-pressure nozzle 6.

Further, the high-pressure water pump 1 is used for providing suction and containing the water-soil multiphase mixture, one side of the high-pressure water pump 1 is also communicated with the steerable slurry pumping head 7 through the sludge pumping pipe 5, and the slurry pumping head 7 is arranged in the soil body. The high-pressure water pump 1 sucks out the water-soil multiphase mixture in the soil body from the slurry pumping head 7 through the slurry pumping pipe 5 and contains the water-soil multiphase mixture.

Further, the high pressure water pipe 4 is established in sleeve pipe 2 with the cover of taking out mud pipe 5, the utility model discloses in can be provided with a plurality of continuous sleeve pipes 2, sleeve pipe 2 can be in 3 departments of joint and lengthen or truncate. The high-pressure spray head 6 at the end part of the high-pressure water pipe 4 and the slurry pumping head 7 at the end part of the sludge pumping pipe 5 are positioned outside the bottom of the casing 2. High pressure water pump drainage pump 1 provides suction from taking out thick liquid head 7 through mud pumping pipe 5, with the heterogeneous mixture suction of soil and water from the 2 lower extremes of sleeve pipe, the utility model is suitable for a soft soil stratum such as sand and silt provide reliable anti buoyancy and bearing capacity for superstructure.

Further, the other side of the high-pressure water pump and drainage pump 1 is connected with a sludge discharge pipe 8, and the water-soil multiphase mixture is discharged into a sediment tank 9 through the sludge discharge pipe 8.

The working process of the high-pressure cutting drainage type multi-cavity pile of the utility model is described below with reference to the accompanying drawings:

and (4) digging a hole in the site to be built, positioning, punching, inserting the casing pipe 2, and synchronously digging to finish the slag settling tank 9.

After the sleeve 2 and the slag settling tank 9 are implemented, the high-pressure water pipe 4 provided with the steerable and adjustable high-pressure spray head 6 and the mud pumping pipe 5 provided with the mud pumping head 7 are inserted into the sleeve 2 which can be pulled out.

The soft soil body is softened and cut at high pressure through the high-pressure water pump drainage pump 1, the high-pressure water pipe 4 and the high-pressure spray head 6 to form a water-soil multiphase mixture, the water-soil multiphase mixture is sucked out through the mud pumping pipe 5 and the mud pumping head 7 and enters the high-pressure water pump drainage pump 1, and the water-soil multiphase mixture is discharged into the sediment tank 9 through the mud pumping pipe 8.

And (4) extracting the sleeve 2, taking down the first section, performing construction of a next hole expansion cavity, and repeating the steps of 4-5 to form a plurality of expansion cavities.

And hoisting the steel reinforcement cage, and pouring concrete.

The utility model relates to a high pressure cutting pump drainage type multi-cavity type pile, which can provide reliable anti-buoyancy, anti-pulling force and bearing capacity for the upper structure in soft soil strata such as sand and silt, does not cause large-scale excavation and backfilling, reduces the construction cost and the construction period; the pile forming process is simple, the engineering quality is controllable, and the practicability is strong.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. A high pressure cutting pump drainage type multi-cavity type pile is characterized by comprising:

the high-pressure water pump drainage pump (1) is used for providing high-pressure water and suction;

the high-pressure spray head (6) is arranged in the soil body and is communicated with the high-pressure water pump drainage pump (1) through the high-pressure water pipe (4), and high-pressure water in the high-pressure water pump drainage pump (1) is sprayed out of the high-pressure spray head (6) to the soil body through the high-pressure water pipe (4); and

the slurry pumping head (7) is arranged in the soil body and is communicated with the high-pressure water pump through the slurry pumping pipe (5), and the high-pressure water pump (1) pumps out the water-soil multiphase mixture in the soil body from the slurry pumping head (7) through the slurry pumping pipe (5).

2. The high-pressure cutting and pumping multi-cavity type pile as claimed in claim 1, wherein the high-pressure spray head (6) is of a steerable type to adjust the angle and direction of water spray.

3. A high pressure cutting and pumping multi-cavity type pile according to claim 2, wherein a visual probe is provided on the high pressure nozzle (6).

4. The high-pressure cutting and pumping drainage type multi-cavity pile as claimed in claim 1, wherein the high-pressure water pipe (4) and the mud pumping pipe (5) are sleeved in the sleeve (2).

5. The high-pressure cutting and pumping drainage type multi-cavity pile as claimed in claim 1, wherein the high-pressure water pipe (4) and the mud pumping pipe (5) are sleeved in a plurality of connected sleeves (2).

6. A high-pressure cutting and pumping type multi-cavity type pile as claimed in claim 4 or 5, wherein the high-pressure nozzle (6) at the end of the high-pressure water pipe (4) and the slurry pumping head (7) at the end of the slurry pumping pipe (5) are positioned outside the bottom of the casing pipe (2).

7. The high-pressure cutting and pumping drainage type multi-cavity pile according to claim 1, wherein a sludge discharge pipe (8) is connected to the high-pressure water pumping drainage pump (1), and the water-soil multiphase mixture in the high-pressure water pumping drainage pump (1) is discharged into the slag settling tank (9) through the sludge discharge pipe (8).