CN217839998U - Tubular pile plugging device - Google Patents
Tubular pile plugging device Download PDFInfo
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- CN217839998U CN217839998U CN202222282499.2U CN202222282499U CN217839998U CN 217839998 U CN217839998 U CN 217839998U CN 202222282499 U CN202222282499 U CN 202222282499U CN 217839998 U CN217839998 U CN 217839998U
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Abstract
The utility model provides a tubular pile plugging device, the device includes: a water pumping mechanism and a plugging mechanism; the water pumping mechanism is arranged on the tubular pile and used for pumping underground water in the tubular pile; the plugging mechanism is arranged at the bottom of the reinforcement cage to plug the bottom of the reinforcement cage; the reinforcement cage is arranged in the tubular pile and is connected with the tubular pile through core filling concrete. The utility model discloses in, the mechanism of drawing water takes groundwater away from the tubular pile, shutoff mechanism carries out the shutoff to steel reinforcement cage's bottom, pour the core filling concrete in the steel reinforcement cage again, guaranteed effectively like this not to contact with groundwater before the core filling concrete reaches design strength, better stagnant water effect has been played, the quality of core filling concrete has been ensured, the quality of tubular pile has further been guaranteed, avoid the tubular pile seepage, each part that the device used, the material all can obtain at the job site, construction cost is reduced, and the operation is simple.
Description
Technical Field
The utility model relates to a pile foundation construction technical field particularly, relates to a tubular pile plugging device.
Background
In the construction process of the tubular pile, a design unit usually requires to carry out bottom sealing concrete on the bottom of an inner hole of the tubular pile, and the height of the sealing concrete is preferably 1.5-2 m. However, in the actual construction process of the large-area tubular pile, the underground water may be confined water, and after the tubular pile enters a confined water layer, the underground water leaks towards the weak part of the tubular pile due to the pressure of the water. The traditional method for stopping the leakage of the tubular pile comprises the following steps: 1. the concrete poured adopts hard micro-expansive concrete, and the method needs to change the design proportion of the concrete, so that the method is inconvenient to manufacture. 2. And (3) plugging the water hole by using a large amount of cement powder, and pouring concrete after leakage stopping. The method needs a large amount of cement powder, and construction cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tubular pile plugging device aims at solving the problem that the preparation is not convenient for and construction cost is high in tubular pile plugging method among the prior art.
The utility model provides a tubular pile plugging device, the device includes: a water pumping mechanism and a plugging mechanism; the water pumping mechanism is arranged on the tubular pile and used for pumping underground water in the tubular pile; the plugging mechanism is arranged at the bottom of the reinforcement cage to plug the bottom of the reinforcement cage; the reinforcement cage is arranged in the tubular pile and is connected with the tubular pile through the core filling concrete.
Further, among the above-mentioned tubular pile plugging device, the plugging mechanism includes: a pallet and a filling structure; wherein, the layer board sets up in the bottom of steel reinforcement cage, sets up filling structure in the clearance between layer board and the tubular pile inner wall.
Further, among the above-mentioned tubular pile plugging device, the filling structure includes: a filler and a first coating layer; wherein, the filler is filled in the gap between the supporting plate and the inner wall of the tubular pile; the first coating layer is coated on the surface of the filler.
Further, in the tubular pile plugging device, the first coating layer is cement paste.
Further, in the tubular pile plugging device, the bottom of the supporting plate is coated with a waterproof plastic film.
Further, in the tubular pile plugging device, a second coating layer is coated on the inner wall of the tubular pile close to the supporting plate.
Further, in the pipe pile plugging device, the second coating layer is cement paste or a concrete interface agent.
Further, among the above-mentioned tubular pile plugging device, the mechanism that draws water includes: the suction pipe, the water pumping pipe, the water pump, the first valve and the second valve; the first end of the air suction pipe is arranged outside the tubular pile and is used for being connected with an air suction device, the air suction pipe penetrates through the opening end of the tubular pile, the second end of the air suction pipe is arranged in the tubular pile, and the first valve is arranged on a pipe section of the air suction pipe arranged outside the tubular pile; the outside of tubular pile is arranged in to the first end of drinking-water pipe and is connected with the suction pump, and the drinking-water pipe is worn to locate the open end of tubular pile and its second end and is arranged in the tubular pile, and the second valve sets up in the outer pipeline section of tubular pile is arranged in to the drinking-water pipe.
Furthermore, in the pipe pile plugging device, the air suction pipe and the water pumping pipe are respectively arranged at two opposite positions in the pipe pile.
Furthermore, in the pipe pile plugging device, the second end of the air suction pipe is arranged below the supporting plate and above the groundwater level; the position of the second end of the water pumping pipe is arranged below the supporting plate and is more than or equal to 500mm away from the supporting plate.
The utility model discloses in, the mechanism of drawing water takes groundwater away from the tubular pile, shutoff mechanism carries out the shutoff to steel reinforcement cage's bottom, pour the core filling concrete in the steel reinforcement cage again, it does not contact with groundwater before the core filling concrete reaches design strength to have guaranteed effectively like this, better stagnant water effect has been played, the quality of core filling concrete has been ensured, the quality of tubular pile has further been guaranteed, avoid the tubular pile seepage, need not to change the concrete mix proportion of original design among the prior art, also need not to use a large amount of cement powder, each part that the device used, the material all can obtain at the job site, construction cost is reduced, and the operation is simple.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a tubular pile plugging device provided by an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic top view of a tubular pile plugging device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an installation step in the pipe pile plugging device according to the embodiment of the present invention;
fig. 5 is a schematic diagram of a start-up step in the pipe pile plugging device according to the embodiment of the present invention;
fig. 6 is a schematic diagram of a welding step in the pipe pile plugging device according to the embodiment of the present invention;
fig. 7 is a schematic diagram of a lowering step in the pipe pile plugging device according to the embodiment of the present invention;
fig. 8 is a schematic diagram of a plugging step in the pipe pile plugging device provided by the embodiment of the invention;
fig. 9 is a schematic diagram of a pouring step in the pipe pile plugging device according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, a preferred structure of the tube pile blocking device in the present embodiment is shown. As shown in the figure, tubular pile plugging device includes: a water pumping mechanism 1 and a plugging mechanism 2. Wherein, the mechanism 1 that draws water sets up in tubular pile 3, and the mechanism 1 that draws water is used for extracting the groundwater in the tubular pile 3. Plugging mechanism 2 sets up in steel reinforcement cage 4's bottom, and plugging mechanism 2 is used for carrying out the shutoff to steel reinforcement cage 4's bottom to prevent that groundwater from getting into in steel reinforcement cage 4. The reinforcement cage 4 is arranged in the tubular pile 3 and is connected with the tubular pile 3 through core filling concrete.
It can be seen that, in this embodiment, the pumping mechanism 1 pumps away the groundwater from the tubular pile 3, the plugging mechanism 2 plugs the bottom of the reinforcement cage 4, and then pour the core-filling concrete into the reinforcement cage 4, thus effectively ensuring that the core-filling concrete does not contact the groundwater until reaching the design strength, playing a better water stop effect, ensuring the quality of the core-filling concrete, further ensuring the quality of the tubular pile 3, avoiding the leakage of the tubular pile 3, and avoiding the need of changing the mix proportion of the originally designed concrete as in the prior art, and also avoiding the use of a large amount of cement powder.
With continued reference to fig. 1 to 3, in the above embodiment, the occlusion mechanism 2 includes: a pallet 21 and a filling structure. Wherein, the supporting plate 21 is arranged at the bottom of the reinforcement cage 4. Specifically, before the steel reinforcement cage 4 is lowered into the pipe pile 3, the support plate 21 is fixedly connected, such as welded, with the bottom of the through-length longitudinal bar of the steel reinforcement cage 4. In order to guarantee that steel reinforcement cage 4 transfers to tubular pile 3 smoothly, layer board 21 is circular to, the diameter of layer board 21 is less than tubular pile 3's internal diameter, then layer board 21 all around and the 3 inner walls of tubular pile between have the clearance, set up filling structure in this clearance, filling structure carries out the shutoff to this clearance, has played the effect of stagnant water, prevents that groundwater from contacting with the core concrete of filling.
In specific implementation, the diameter of the supporting plate 21 is 60-80 mm smaller than the inner diameter of the tubular pile 3.
The filling structure may include: filler 22 and a first coating layer. Wherein, filler 22 is filled in the clearance between layer board 21 and tubular pile 3 inner wall, and this filler 22 can be cotton quilt, textile cloth etc. to guarantee that layer board 21 and tubular pile 3 inner wall are seamless and fill closely knit.
The first coating layer is coated on the surface of the filler 22 to protect the surface of the filler 22, so that the waterproof effect is achieved, the quality of core filling concrete is ensured, and the leakage of the tubular pile 3 is prevented.
Preferably, the first coating layer is a cement paste.
It can be seen that, in this embodiment, layer board 21 sets up in the bottom of steel reinforcement cage 4 to block groundwater, fill filler 22 to the clearance between layer board 21 and the 3 inner walls of tubular pile again, in order to carry out the shutoff to this clearance, it is simple and convenient, and can improve the shutoff effect. And a first coating layer is coated on the filler 22, so that the plugging effect is further improved, a better water stopping effect is achieved, the quality of the core filling concrete is ensured, and the leakage of the tubular pile 3 is avoided.
In the above embodiments, the bottom of the supporting plate 21 is coated with the waterproof plastic film, so that the corrosion of underground water can be effectively prevented, the water-stopping plugging effect is improved, and the quality of core filling concrete is ensured.
In the above embodiments, the inner wall of the tubular pile 3 near the supporting plate 21 is coated with a second coating layer. Preferably, the second coating layer is cement paste or a concrete interface agent.
Referring to fig. 1 to 3, in each of the above embodiments, the water pumping mechanism 1 includes: an intake pipe 11, a suction pipe 12, a suction pump 13, a first valve 14 and a second valve 15. Wherein, the first end of breathing pipe 11 is arranged outside tubular pile 3, and the first end of breathing pipe 11 is used for being connected with air exhaust device, and breathing pipe 11 wears to locate the open end of tubular pile 3, and the second end of breathing pipe 11 is arranged in tubular pile 3. Specifically, the position of the second end of the air suction pipe 11 is placed below the pallet 21, and the position of the second end of the air suction pipe 11 is placed above the ground water level.
The first valve 14 is disposed on the pipe section of the air suction pipe 11 outside the pipe pile 3 to control the on/off of the air suction pipe 11.
The first end of the pumping pipe 12 is arranged outside the pipe pile 3, and the first end of the pumping pipe 12 is connected with the pumping pump 13. The water pumping pipe 12 penetrates through the opening end of the pipe pile 3, and the second end of the water pumping pipe 12 is arranged in the pipe pile 3. Specifically, the second end of the pumping tube 12 is positioned below the supporting plate 21, and the second end of the pumping tube 12 is positioned at a distance greater than or equal to 500mm from the supporting plate 21.
The second valve 15 is arranged on the section of the pumping pipe 12 outside the pipe pile 3 to control the on-off of the pumping pipe 12.
Preferably, the suction pipe 11 and the pumping pipe 12 are respectively disposed at two opposite positions in the pipe pile 3. Specifically, the air suction pipe 11 and the water pumping pipe 12 are both attached to the inner wall of the pipe pile 3, and the air suction pipe 11 and the water pumping pipe 12 are arranged oppositely.
It can be seen that, in this embodiment, the mechanism 1 that draws water's simple structure, the implementation of being convenient for to can extract groundwater effectively, ensure the quality of refill concrete, further guarantee the quality of tubular pile 3, avoid the seepage of tubular pile 3.
The installation and use of the tubular pile plugging device will be described with reference to figures 4 to 9:
(1) The installation step: referring to fig. 4, a water pumping mechanism 1 is installed in the pipe pile 3. Inserting the breathing pipe 11 from the opening part at the top of the tubular pile 3 to the bottom of the tubular pile 3 along the inner wall of the tubular pile 3, connecting the first end of the breathing pipe 11 arranged outside the tubular pile 3 with an air pump, and arranging the second end of the breathing pipe 11 arranged in the tubular pile 3 below the supporting plate 21 and above the ground water level. The water pumping pipe 12 is also inserted from the opening at the top of the pipe pile 3 to the bottom of the pipe pile 3 along the inner wall of the pipe pile 3, the first end of the water pumping pipe 12, which is arranged outside the pipe pile 3, is connected with the water pumping pump 13, and the second end of the water pumping pipe 12, which is arranged inside the pipe pile 3, is arranged below the supporting plate 21 by 500 mm.
(2) A starting step: referring to fig. 5, the first valve 14 and the second valve 15 are opened, and the suction device and the suction pump 13 are started to pump water to the bottom of the pipe pile 3. After the water pump 13 does not discharge water any more, the water pump 13 keeps pumping water continuously without being closed. The air suction pipe 11 is always kept in an open state, and the air suction pipe 11 is used for maintaining the air pressure balance in the tubular pile 3.
(3) A welding step: referring to fig. 6, the floating slurry on the inner wall of the pipe pile 3 is cleaned before the steel reinforcement cage 4 is put down. And before the reinforcement cage 4 is put down, the bottom of the full-length longitudinal bar of the reinforcement cage 4 is welded with the supporting plate 21.
(4) A lowering step: referring to fig. 7, the reinforcement cage 4 is lowered along the central axis of the tubular pile 3, and the reinforcement cage 4 is fixed to the design required depth.
(5) Plugging: referring to fig. 8, a filler 22 is stuffed in the gap between the periphery of the supporting plate 21 and the inner wall of the tubular pile 3 to ensure that the supporting plate 21 and the inner wall of the tubular pile 3 have no gap and are tightly filled. And then, the filler 22 is coated with cement paste, and the inner wall of the tubular pile 3 close to the supporting plate 21 is coated with cement paste or concrete interface agent.
(6) Pouring: referring to fig. 9, core concrete is poured into the pipe pile 3, the core concrete is early strength concrete meeting design requirements, and in the pouring process, the water pump 13 is always in an open state until the core concrete is cured.
(7) And (3) disassembling: and after the core filling concrete is cured, closing the first valve 14 and the second valve 15, and then disassembling the water suction pump 13, the air extraction device and the like.
In conclusion, in this embodiment, the pumping mechanism 1 pumps away the groundwater from the tubular pile 3, the plugging mechanism 2 plugs the bottom of the reinforcement cage 4, and then the core filling concrete is poured into the reinforcement cage 4, so that it is effectively ensured that the core filling concrete does not contact the groundwater before reaching the designed strength, a good water stopping effect is achieved, the quality of the core filling concrete is ensured, the quality of the tubular pile 3 is further ensured, the tubular pile 3 is prevented from leaking, the original designed concrete mixing ratio is not required to be changed as in the prior art, a large amount of cement powder is not required to be used, all the parts and materials used by the device can be obtained on the construction site, the construction cost is reduced, and the operation is simple.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a tubular pile plugging device which characterized in that includes: the water pumping mechanism (1) and the plugging mechanism (2); wherein the content of the first and second substances,
the water pumping mechanism (1) is arranged on the tubular pile (3) and used for pumping underground water in the tubular pile (3);
the plugging mechanism (2) is arranged at the bottom of the reinforcement cage (4) to plug the bottom of the reinforcement cage (4); the reinforcement cage (4) is arranged in the tubular pile (3) and is connected with the tubular pile (3) through core filling concrete.
2. The tubular pile plugging device according to claim 1, wherein the plugging mechanism (2) comprises: a pallet (21) and a filling structure; wherein the content of the first and second substances,
layer board (21) set up in the bottom of steel reinforcement cage (4), layer board (21) with set up in the clearance between the tubular pile inner wall filling structure.
3. The tube pile plugging device of claim 2, wherein the filling structure comprises: a filler (22) and a first coating layer; wherein the content of the first and second substances,
the filler (22) is filled in a gap between the supporting plate (21) and the inner wall of the tubular pile (3);
the first coating layer is applied to the surface of the filler (22).
4. The tubular pile plugging device of claim 3, wherein the first coating layer is cement paste.
5. The tube pile plugging device according to claim 2, wherein the bottom of the supporting plate (21) is coated with a waterproof plastic film.
6. The tubular pile plugging device according to claim 2, wherein the inner wall of the tubular pile (3) near the supporting plate (21) is coated with a second coating layer.
7. The tubular pile plugging device of claim 6, wherein the second coating layer is cement paste or concrete interface agent.
8. The tubular pile plugging device according to claim 2, wherein the water pumping mechanism (1) comprises: the device comprises an air suction pipe (11), a water suction pipe (12), a water suction pump (13), a first valve (14) and a second valve (15); wherein, the first and the second end of the pipe are connected with each other,
the first end of the air suction pipe (11) is arranged outside the tubular pile (3) and is used for being connected with an air suction device, the air suction pipe (11) is arranged at the opening end of the tubular pile (3) in a penetrating manner, the second end of the air suction pipe is arranged in the tubular pile (3), and the first valve (14) is arranged on a pipe section of the air suction pipe (11) arranged outside the tubular pile (3);
the outside of tubular pile (3) and with suction pump (13) are connected is arranged in to the first end of drinking-water pipe (12), drinking-water pipe (12) are worn to locate the open end of tubular pile (3) and its second end are arranged in tubular pile (3), second valve (15) set up in drinking-water pipe (12) are arranged in the outer pipeline section of tubular pile (3).
9. The pipe pile plugging device according to claim 8, wherein said air suction pipe (11) and said water suction pipe (12) are respectively disposed at two opposite positions in said pipe pile (3).
10. The tube pile plugging device of claim 8,
the second end of the air suction pipe (11) is arranged below the supporting plate (21) and above the groundwater level;
the position of the second end of the water pumping pipe (12) is arranged below the supporting plate (21) and is more than or equal to 500mm away from the supporting plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222282499.2U CN217839998U (en) | 2022-08-29 | 2022-08-29 | Tubular pile plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222282499.2U CN217839998U (en) | 2022-08-29 | 2022-08-29 | Tubular pile plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217839998U true CN217839998U (en) | 2022-11-18 |
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ID=84016303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222282499.2U Active CN217839998U (en) | 2022-08-29 | 2022-08-29 | Tubular pile plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217839998U (en) |
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2022
- 2022-08-29 CN CN202222282499.2U patent/CN217839998U/en active Active
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