CN216809861U - Large-section hollow anti-slide pile convenient to recover - Google Patents
Large-section hollow anti-slide pile convenient to recover Download PDFInfo
- Publication number
- CN216809861U CN216809861U CN202220287222.6U CN202220287222U CN216809861U CN 216809861 U CN216809861 U CN 216809861U CN 202220287222 U CN202220287222 U CN 202220287222U CN 216809861 U CN216809861 U CN 216809861U
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- Prior art keywords
- air bag
- rectangular
- discharging
- section hollow
- air
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- 239000004567 concrete Substances 0.000 claims abstract description 34
- 239000004033 plastic Substances 0.000 claims description 4
- 229920006238 degradable plastic Polymers 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 abstract description 25
- 238000007599 discharging Methods 0.000 abstract description 23
- 229910000831 Steel Inorganic materials 0.000 abstract description 20
- 239000010959 steel Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
A large-section hollow anti-slide pile convenient to recover comprises a large-section hollow concrete pile body, wherein a rectangular groove is formed in the center of the large-section hollow concrete pile body, an air bag type formwork supporting mechanism is filled in the rectangular groove, the air bag type formwork supporting mechanism comprises a rectangular air bag and an air charging and discharging steel pipe, the rectangular air bag is fixedly surrounded on the outer wall of the air charging and discharging steel pipe in a surrounding mode, the bottom end of the air charging and discharging steel pipe is closed, a plurality of air charging and discharging holes are formed in the air charging and discharging steel pipe, air charging and discharging plugs are arranged at the positions, corresponding to the air charging and discharging holes, of the rectangular air bag, and the air charging and discharging plugs are inserted into the air charging and discharging holes; and the outer wall of the rectangular air bag is provided with a release layer. The anti-slide pile greatly simplifies the formwork supporting process, and the air bag type formwork supporting mechanism can play a role in formwork supporting and can be conveniently recycled after air is released again.
Description
Technical Field
The utility model relates to the technical field of pile body construction, in particular to a large-section hollow anti-slide pile convenient to recover.
Background
In the landslide control process, the slide-resistant pile is widely adopted by people, and in the slide-resistant pile in practical application, the consumption of reinforcing steel bars is quite large, and the cost of the reinforcing steel bars usually accounts for more than half of the total cost of the slide-resistant pile, so that when the slide-resistant pile is structurally designed, the consumption of the reinforcing steel bars can be reasonably reduced, and the landslide control cost can be greatly reduced. Compared with a solid section slide-resistant pile, the hollow section slide-resistant pile can reduce the using amount of reinforcing steel bars, and has the following characteristics: 1. the section size is properly increased, and the consumption of concrete can be reduced; 2. the increased cross-section may improve the bending and shearing resistance of the cross-section.
Although the large-section hollow slide-resistant pile has great advantages in reducing the using amount of reinforcing steel bars, the construction of the large-section hollow slide-resistant pile has the following problems: 1. the formwork is required to be erected before the large-section hollow anti-slide pile is cast in place, the existing formwork is a wood formwork or a steel formwork, and the formwork erecting process is very complicated; 2. after the formwork is successfully erected, concrete needs to be poured, after the concrete reaches a certain strength, the formwork generates a great friction force under the extrusion of the concrete, so that the formwork is difficult to pull out from the large-section hollow anti-sliding, the formworks are often left in the pile body and become a part of the pile body, and the consumption of the formwork is often increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems and provides a large-section hollow slide-resistant pile convenient to recover, the slide-resistant pile is simple and convenient to construct, the traditional formwork supporting process flow is greatly simplified, and meanwhile, the air bag type formwork supporting mechanism of the slide-resistant pile not only can achieve the function of a formwork after being inflated, but also can be conveniently recycled after being deflated.
In order to achieve the technical effects, the utility model is realized by the following technical scheme:
a large-section hollow anti-slide pile convenient to recover comprises a large-section hollow concrete pile body, wherein a rectangular groove is formed in the center of the large-section hollow concrete pile body, an air bag type formwork supporting mechanism is filled in the rectangular groove, the air bag type formwork supporting mechanism comprises a rectangular air bag and an air filling and discharging steel pipe, the rectangular air bag is fixedly surrounded on the outer wall of the air filling and discharging steel pipe, the bottom of the rectangular air bag is flush with the bottom of the air filling and discharging steel pipe, the top of the air filling and discharging steel pipe extends out of the top of the rectangular air bag to form an air filling and discharging connector, the bottom of the air filling and discharging steel pipe is closed, a plurality of air filling and discharging holes are formed in the air filling and discharging steel pipe, the air filling and discharging holes are spirally arranged on the air filling and discharging steel pipe, air filling and discharging plugs are arranged at positions, corresponding to the air filling and discharging holes, of the rectangular air bag; and the outer wall of the rectangular air bag is provided with a release layer.
Furthermore, the release layer is coated release oil.
Furthermore, the release layer is a rectangular plastic layer, and the rectangular plastic layer is a degradable plastic film.
Furthermore, the size of the large-section hollow concrete pile body is 2m multiplied by 3m or more.
The utility model also provides a construction method of the large-section hollow slide-resistant pile convenient to recover, which comprises the following steps:
s1, manual hole digging: paying off and positioning, excavating pile holes, and pouring reinforced concrete locking openings;
s2, wall protection and support: c20 cement mortar is sprayed to the hole wall for wall protection and support when excavating for 3-4 m;
s3, conduit binding: binding and fixing a concrete pouring guide pipe on the outer wall of the rectangular air bag;
s4, placing a rectangular air bag: the rectangular air bag filled with gas extends into the pile hole, and when the rectangular air bag is placed downwards, positioning is carried out according to the position of the air charging and discharging connector on the rectangular air bag so as to determine the position of the rectangular air bag in the rectangular pile hole;
s5, pouring concrete: conveying concrete to the bottom of the pile hole along the guide pipe, gradually filling the concrete into a gap between the pile hole and the rectangular air bag, and observing the pouring height of the concrete while pouring until the height of the concrete is close to the top surface of the rectangular air bag;
s6, demolding; after the poured concrete reaches a certain strength, the rectangular air bag is exhausted through the inflation and deflation connector, demolding can be carried out after the rectangular air bag is exhausted, and the rectangular air bag enters the next section of large-section hollow concrete pile body to be poured until the pouring of the large-section hollow slide-resistant pile is completed.
The utility model has the beneficial effects that: the anti-slide pile is simple and convenient to construct, the traditional formwork supporting process flow is greatly simplified, and meanwhile, the air bag type formwork supporting mechanism of the anti-slide pile not only can achieve the function of a formwork after being inflated, but also can be conveniently recycled after being deflated; meanwhile, the method can be used for segmental casting of the large-section hollow anti-slide pile to support one section and cast one section, and can prevent the problems of hole collapse and the like caused by one-time massive casting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a large-section hollow slide-resistant pile for easy recovery;
fig. 2 is a schematic structural diagram of the air bag type formwork supporting mechanism.
In the drawings, the reference numbers indicate the following list of parts:
1-large section hollow concrete pile body, 2-rectangular air bag, 3-inflation and deflation steel tube, 4-inflation and deflation hole and 5-inflation and deflation joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a large-section hollow slide-resistant pile convenient to recover comprises a large-section hollow concrete pile body 1, wherein the large-section hollow concrete pile body 1 is of a post-cast concrete structure; the large-section hollow concrete pile body 1 is provided with a rectangular groove in the center, an air bag type formwork supporting mechanism is filled in the rectangular groove and comprises a rectangular air bag 2 and an air inflation and deflation steel pipe 3, the rectangular air bag 2 is fixedly surrounded on the outer wall of the air inflation and deflation steel pipe 3, the bottom of the rectangular air bag 2 is flush with the bottom of the air inflation and deflation steel pipe 3, the top of the air inflation and deflation steel pipe extends out of the top of the rectangular air bag to form an air inflation and deflation joint 5, the bottom end of the air inflation and deflation steel pipe is closed, a plurality of air inflation and deflation holes 4 are formed in the air inflation and deflation steel pipe, the air inflation and deflation holes 4 are spirally arranged on the air inflation and deflation steel pipe, and air inflation and deflation plugs are arranged at the positions, corresponding to the air inflation and deflation holes 4, of the rectangular air bag 2; and a release layer is arranged on the outer wall of the rectangular air bag 2.
In this embodiment, the release layer is a release oil applied by brushing.
In this embodiment, the size of the large-section hollow concrete pile body is 2m × 3m or more.
The construction method of the large-section hollow anti-slide pile convenient to recover comprises the following steps:
s1, manual hole digging: paying off and positioning, excavating pile holes, and pouring reinforced concrete locking openings;
s2, wall protection and support: c20 cement mortar is sprayed to the hole wall for wall protection and support when excavating for 3-4 m;
s3, conduit binding: binding and fixing a concrete pouring guide pipe on the outer wall of the rectangular air bag;
s4, placing a rectangular air bag: the rectangular air bag filled with the gas extends into the pile hole, and when the rectangular air bag is placed downwards, the rectangular air bag is positioned according to the position of the air charging and discharging connector on the rectangular air bag, so that the position of the rectangular air bag in the rectangular pile hole is determined;
s5, pouring concrete: conveying concrete to the bottom of the pile hole along the guide pipe, gradually filling the concrete into a gap between the pile hole and the rectangular air bag, and observing the pouring height of the concrete while pouring until the height of the concrete is close to the top surface of the rectangular air bag;
s6, demolding; after the poured concrete reaches a certain strength, the rectangular air bag is exhausted through the inflation and deflation connector, demolding can be carried out after the rectangular air bag is exhausted, and the rectangular air bag enters the next section of large-section hollow concrete pile body to be poured until the pouring of the large-section hollow slide-resistant pile is completed.
Reference throughout this specification to the description of "one embodiment," "an example," "a specific example," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A large-section hollow anti-slide pile convenient to recover comprises a large-section hollow concrete pile body, wherein a rectangular groove is formed in the center of the large-section hollow concrete pile body; the outer wall of the rectangular air bag is provided with a release layer.
2. The easily recycled large cross-section hollow anti-skid pile according to claim 1, wherein the release layer is a brushed release oil.
3. The easily recycled large-section hollow slide-resistant pile according to claim 1, wherein the release layer is a rectangular plastic layer, and the rectangular plastic layer is a degradable plastic film.
4. The hollow slide-resistant pile with large section convenient for recovery according to claim 1, wherein the size of the hollow concrete pile body with large section is 2m x 3m and above.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220287222.6U CN216809861U (en) | 2022-02-12 | 2022-02-12 | Large-section hollow anti-slide pile convenient to recover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220287222.6U CN216809861U (en) | 2022-02-12 | 2022-02-12 | Large-section hollow anti-slide pile convenient to recover |
Publications (1)
Publication Number | Publication Date |
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CN216809861U true CN216809861U (en) | 2022-06-24 |
Family
ID=82041305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202220287222.6U Expired - Fee Related CN216809861U (en) | 2022-02-12 | 2022-02-12 | Large-section hollow anti-slide pile convenient to recover |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216809861U (en) |
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2022
- 2022-02-12 CN CN202220287222.6U patent/CN216809861U/en not_active Expired - Fee Related
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |