CN113756283A - Device for rapidly processing multiple karst caves of pile foundation and using method - Google Patents
Device for rapidly processing multiple karst caves of pile foundation and using method Download PDFInfo
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- CN113756283A CN113756283A CN202111220031.4A CN202111220031A CN113756283A CN 113756283 A CN113756283 A CN 113756283A CN 202111220031 A CN202111220031 A CN 202111220031A CN 113756283 A CN113756283 A CN 113756283A
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- 235000019994 cava Nutrition 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003908 quality control method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- Paleontology (AREA)
- Civil Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention provides a device for rapidly processing multiple karst caves of a pile foundation and a using method thereof, wherein the device for rapidly processing the multiple karst caves of the pile foundation comprises a material conveying pipe, a material discharging pipe, a one-way valve, a flexible annular cavity, vertical supporting bars and annular supporting bars, the material conveying pipe is connected with the top of the flexible annular cavity through the one-way valve, the material discharging pipe is communicated with the top of the flexible annular cavity, the flexible annular cavity is in a strip shape and can be compressed and folded under the unfilled state, and can be expanded and unfolded when being filled, a plurality of vertical supporting bars are longitudinally arranged on the outer wall of the inner side of the flexible annular cavity, and a plurality of annular supporting bars are used for fixing the vertical supporting bars. The invention reduces the difficulty of plugging multiple karst caves of the pile foundation, and is more effective than the existing plugging mode after the deployment is finished.
Description
Technical Field
The invention relates to the field of underground pile foundations, in particular to a device for rapidly processing multiple karst caves of a pile foundation and a using method.
Background
In the process of pile foundation construction, when multiple karsts are encountered, the plugging difficulty is influenced by the position and the complex geological conditions, and the construction quality is difficult to be better ensured. Therefore, the multi-solution-cavity pile foundation is quickly, intuitively and effectively processed, and the construction efficiency and reliability can be obviously improved.
At present, a common pile foundation karst cave plugging device is difficult to deploy, has a complex structure and is difficult to transport due to large volume. Secondly, due to the complex conditions of geological conditions, it is difficult to ensure the efficiency and reliability of construction.
Disclosure of Invention
The invention aims to provide a device for rapidly processing multiple karst caves of a pile foundation and a using method thereof, and aims to solve the problems that the blockage efficiency of the karst caves of the pile foundation is low, the blockage effect of the karst caves of the pile foundation is poor, the blockage condition of the karst caves of the pile foundation is not intuitive and the like in the related technology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a device and application method of many solution caves of rapid processing pile foundation, includes conveying pipeline, discharging pipe, check valve, flexible annular cavity, vertical support bar, hoop support bar, the conveying pipeline passes through the check valve with flexible annular cavity top is connected, the discharging pipe with flexible annular cavity top communicates with each other, flexible annular cavity is rectangular shape, and can be compressed, folding under the state that is not filled, and can expand, expand when being filled, a plurality of vertical support bar is vertically set up on the inboard outer wall of flexible annular cavity, and is a plurality of the hoop support bar is used for fixed vertical support bar.
Further, the length of the flexible annular cavity in the height direction is not less than the length of the basic cavern needing to be plugged in the vertical direction.
Further, the flexible annular cavity body can expand and unfold in the longitudinal direction and the outer side direction and seal the dissolving hole.
Further, the one-way valve only allows material to enter the flexible annular cavity from the feed delivery pipe.
Furthermore, a hanging point is buried in the flexible annular cavity.
Furthermore, a track and a corresponding camera are arranged on the material conveying pipe.
Furthermore, the length of the material conveying pipe and the length of the material discharging pipe are both larger than the length from the ground to the top of the flexible annular cavity.
The invention also provides a use method of the device for quickly processing the pile foundation multi-karst cave, which is characterized by comprising the following operation steps:
1) measuring the length of each karst cave of the foundation along the vertical direction;
2) selecting a flexible annular cavity with a longer height direction according to the length of the uppermost unblocked cavern in the height direction;
3) the flexible annular cavity is hung into the pile foundation and is hung at the same height with the karst cave, and the flexible annular cavity is ensured to cover the whole karst cave;
4) grouting materials are conveyed into the flexible annular cavity through the conveying pipe, and the monitoring camera is used for ensuring that the flexible annular cavity is fully expanded and is fully attached to the concave and convex parts of the karst cave after being unfolded;
5) monitoring the pressure of the discharge pipe, and stopping conveying the material into the material conveying pipe on the premise of keeping the pressure of the discharge pipe after the steps are completed and reach the standard;
6) and (5) repeating the steps 1) to 5) until all the karst caves are plugged after the grouting material in the flexible annular cavity is solidified.
According to the technical scheme, the invention mainly comprises flexible materials, can be compressed and folded in an unfilled state, and can be expanded and unfolded when being filled, so that the flexible materials can be unfolded after being transported to an installation site, thereby reducing the transportation difficulty and the risk of damage in the transportation process. Meanwhile, after the device is unfolded, better plugging can be realized on the variable conditions of the karst cave, and a camera is provided, so that the field personnel can conveniently control the construction quality of the karst cave in real time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a device for rapidly processing multiple caverns of a pile foundation and a method for using the same according to an embodiment of the present invention;
in the figure: conveying pipeline 1, discharging pipe 2, check valve 3, flexible annular cavity 4, vertical support bar 5, hoop support bar 6.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
An exemplary embodiment according to the present application will now be described in more detail with reference to fig. 1. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1, an embodiment of the present invention provides a device for rapidly processing multiple caverns of a pile foundation, including a material conveying pipe 1, a material discharging pipe 2, a check valve 3, a flexible annular cavity 4, vertical support bars 5, and circumferential support bars 6, where the material conveying pipe 1 is connected to the top of the flexible annular cavity 4 through the check valve 3, the material discharging pipe 2 is communicated with the top of the flexible annular cavity 4, the flexible annular cavity 4 is strip-shaped and can be compressed and folded in an unfilled state, and can expand and unfold when being filled, a plurality of the vertical support bars 5 are longitudinally arranged on the inner side wall of the flexible annular cavity 4, and a plurality of the circumferential support bars 6 are used for fixing the vertical support bars 5.
As shown in fig. 1, in an embodiment of the present application, the length of the flexible annular cavity 4 in the height direction is not less than the length of the basic cavern to be blocked in the vertical direction. The flexible annular cavity 4 can expand and unfold in the longitudinal and outer directions and seal the hole dissolving opening. The one-way valve 3 only allows material to enter the flexible annular cavity 4 from the feed delivery pipe 1. And a hanging point is embedded in the flexible annular cavity 4. And the conveying pipe 1 is provided with a track and a corresponding camera. The length of the material conveying pipe 1 and the length of the material discharging pipe 2 are both larger than the length from the ground to the top of the flexible annular cavity 4.
Corresponding to the embodiment of the device, the application also provides an embodiment of a using method of the device for rapidly processing the pile foundation multi-karst cave. The method comprises the following steps: 1) measuring the length of each karst cave of the foundation along the vertical direction;
2) selecting a flexible annular cavity with a longer height direction according to the length of the uppermost unblocked cavern in the height direction;
3) the flexible annular cavity is hung into the pile foundation and is hung at the same height with the karst cave, and the flexible annular cavity is ensured to cover the whole karst cave;
4) grouting materials are conveyed into the flexible annular cavity through the conveying pipe, and the monitoring camera is used for ensuring that the flexible annular cavity is fully expanded and is fully attached to the concave and convex parts of the karst cave after being unfolded;
5) monitoring the pressure of the discharge pipe, and stopping conveying the material into the material conveying pipe on the premise of keeping the pressure of the discharge pipe after the steps are completed and reach the standard;
6) and (5) repeating the steps 1) to 5) until all the karst caves are plugged after the grouting material in the flexible annular cavity is solidified.
The invention uses the expandable and fillable equipment to rapidly plug the multi-solution cave of the pile foundation and visualizes the whole plugging process so as to achieve the aims of improving the plugging efficiency and improving the construction quality control. Meanwhile, as the flexible cavity is used as the main body, the construction cost is reduced, and compared with the traditional plugging mode, the multi-cave batch and high-quality plugging is realized. Therefore, the plugging speed can be increased, and the karst cave plugging can be visualized so as to ensure the effectiveness.
In addition, it is intended that other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the inventive concepts disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (8)
1. The utility model provides a device of many solution cavities of rapid processing pile foundation, includes conveying pipeline, discharging pipe, check valve, flexible annular cavity, vertical support bar, hoop support bar, the conveying pipeline passes through the check valve with flexible annular cavity top is connected, the discharging pipe with flexible annular cavity top communicates with each other, flexible annular cavity is rectangular shape, and can be compressed, folding under the state that is not filled, and can expand, expand when being filled, expand, a plurality of vertical support bar is vertically set up on the inboard outer wall of flexible annular cavity, it is a plurality of hoop support bar is used for fixed vertical support bar.
2. The device for rapidly processing the multi-cavern of the pile foundation according to claim 1, wherein the length of the flexible annular cavity in the height direction is not less than the length of the multi-cavern of the foundation to be plugged in the vertical direction.
3. The apparatus for rapidly processing multiple caverns of pile foundation according to claim 1, wherein the flexible annular chamber can expand and unfold in the longitudinal and lateral directions and seal the cavern opening.
4. The apparatus of claim 1, wherein said one-way valve only allows material to enter said flexible annular cavity from said delivery conduit.
5. The device for rapidly processing the multiple solution cavities of the pile foundation according to claim 1, wherein a hanging point is buried on the flexible annular cavity.
6. The apparatus according to claim 1, wherein the conveying pipe is provided with a track and a corresponding camera.
7. The apparatus of claim 1, wherein the length of each of said feed pipe and said discharge pipe is greater than the length from the ground to the top of said flexible annular cavity.
8. The use method of the device for rapidly processing the pile foundation multi-karst cave according to any one of claims 1 to 7, is characterized by comprising the following operation steps:
1) measuring the length of each karst cave of the foundation along the vertical direction;
2) selecting a flexible annular cavity with a longer height direction according to the length of the uppermost unblocked cavern in the height direction;
3) the flexible annular cavity is hung into the pile foundation and is hung at the same height with the karst cave, and the flexible annular cavity is ensured to cover the whole karst cave;
4) grouting materials are conveyed into the flexible annular cavity through the conveying pipe, and the monitoring camera is used for ensuring that the flexible annular cavity is fully expanded and is fully attached to the concave and convex parts of the karst cave after being unfolded;
5) monitoring the pressure of the discharge pipe, and stopping conveying the material into the material conveying pipe on the premise of keeping the pressure of the discharge pipe after the steps are completed and reach the standard;
6) and (5) repeating the steps 1) to 5) until all the karst caves are plugged after the grouting material in the flexible annular cavity is solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220031.4A CN113756283A (en) | 2021-10-20 | 2021-10-20 | Device for rapidly processing multiple karst caves of pile foundation and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111220031.4A CN113756283A (en) | 2021-10-20 | 2021-10-20 | Device for rapidly processing multiple karst caves of pile foundation and using method |
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| CN113756283A true CN113756283A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111220031.4A Pending CN113756283A (en) | 2021-10-20 | 2021-10-20 | Device for rapidly processing multiple karst caves of pile foundation and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115679955A (en) * | 2022-10-09 | 2023-02-03 | 重庆大学 | Construction device and construction method for pile foundation in solution cavity |
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| CN113047264A (en) * | 2021-03-16 | 2021-06-29 | 中国地质大学（武汉） | Air bag hole sealing type cloth bag grouting method |
| CN113217092A (en) * | 2021-05-31 | 2021-08-06 | 山东大学 | Filling method of deformable karst cave |
| CN216304619U (en) * | 2021-10-20 | 2022-04-15 | 中天建设集团有限公司 | Device for rapidly processing multiple solution caves of pile foundation |
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2021
- 2021-10-20 CN CN202111220031.4A patent/CN113756283A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20200066058A (en) * | 2018-11-30 | 2020-06-09 | 박경식 | Grout method with fiber pile |
| KR20200079092A (en) * | 2018-12-24 | 2020-07-02 | 박경식 | Grout method for reservoir bank |
| CN111733823A (en) * | 2020-06-15 | 2020-10-02 | 中冶地集团西北岩土工程有限公司 | Grouting pipe burying structure and broken pile processing method in cast-in-situ bored pile pouring process |
| CN112761174A (en) * | 2020-12-30 | 2021-05-07 | 山东正元建设工程有限责任公司 | Grouting plugging method suitable for large karst cave under high-flow-rate flowing water condition |
| CN113047264A (en) * | 2021-03-16 | 2021-06-29 | 中国地质大学（武汉） | Air bag hole sealing type cloth bag grouting method |
| CN113217092A (en) * | 2021-05-31 | 2021-08-06 | 山东大学 | Filling method of deformable karst cave |
| CN216304619U (en) * | 2021-10-20 | 2022-04-15 | 中天建设集团有限公司 | Device for rapidly processing multiple solution caves of pile foundation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115679955A (en) * | 2022-10-09 | 2023-02-03 | 重庆大学 | Construction device and construction method for pile foundation in solution cavity |
| CN115679955B (en) * | 2022-10-09 | 2024-06-04 | 重庆大学 | Construction device and construction method for pile foundation in solution cavity |
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