CN219137645U - Pile foundation pouring system - Google Patents
Pile foundation pouring system Download PDFInfo
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- CN219137645U CN219137645U CN202222821389.9U CN202222821389U CN219137645U CN 219137645 U CN219137645 U CN 219137645U CN 202222821389 U CN202222821389 U CN 202222821389U CN 219137645 U CN219137645 U CN 219137645U
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Abstract
The application provides a pile foundation pouring system, which comprises a reinforcement cage and a guide pipe; the reinforcement cage is formed by overlapping a plurality of main reinforcements and a plurality of stirrups; a heat-shrinkable tube is sleeved on each main rib, the top end of the heat-shrinkable tube is level with the top end of the main rib, and the lower end of the heat-shrinkable tube extends to contact with the stirrup at the uppermost layer; the guide pipe is arranged in the reinforcement cage; the pile head construction method is used for pile foundation construction, after pile heads are broken, broken pile head parts can be directly separated from a steel reinforcement cage, steel reinforcement breakage cannot be caused, the top end of a main reinforcement of the steel reinforcement cage can be prevented from being polluted by concrete slurry, and the cleaning cost of main reinforcement leakage and labor cost are saved.
Description
Technical Field
The application relates to the technical field of pile foundation construction, in particular to a pile foundation pouring system.
Background
In the pile foundation construction process, a reinforcement cage and a guide pipe are usually adopted to be matched for pouring concrete, and a protective sleeve is required to be sleeved at the top end of a main reinforcement of the reinforcement cage in advance so as to fully wrap the main reinforcement of the reinforcement cage extending into a bearing platform and a sounding pipe, so that the concrete at the pile head position is not adhered to the main reinforcement, and after a foundation pit is excavated, the pile head is chiseled without stripping operation of the main reinforcement of the reinforcement cage and the concrete of the pile head, so that the chiseling speed of the pile head can be increased; at present, a plastic pipe or a pearl cotton pipe is adopted as a protective sleeve in a construction site, however, the plastic pipe is not attached to the main reinforcement of the reinforcement cage, a large gap exists between the plastic pipe and the main reinforcement of the reinforcement cage, concrete still possibly seeps into the plastic pipe from the gap, the main reinforcement of the reinforcement cage is contacted and polluted, and the concrete is adhered to the plastic pipe after being coagulated, so that the operation difficulty of site constructors is increased; if the pearl cotton pipe is used as the protective sleeve, the pearl cotton pipes with various specifications are required to be prepared on site due to different types of main reinforcements of the reinforcement cage of the construction site engineering pile, and the pearl cotton pipes with corresponding sizes are required to be sleeved on the main reinforcements with different types, so that the construction efficiency of the pile foundation is reduced, and the labor intensity of workers is increased.
Disclosure of Invention
An object of the application is to provide a pile foundation pouring system, this application is arranged in the construction of pile foundation, after breaking the pile head, can directly separate the pile head part that has broken with the steel reinforcement cage, can not cause the steel reinforcement rupture to, can avoid the top of steel reinforcement cage main muscle to be polluted by concrete slurry, save main muscle and leak slurry clearance cost and save the cost of labor.
For this reason, the embodiment of the application provides a pile foundation pouring system, which comprises a reinforcement cage and a conduit; the reinforcement cage is formed by overlapping a plurality of main reinforcements and a plurality of stirrups; a heat-shrinkable tube is sleeved on each main rib, the top end of the heat-shrinkable tube is level with the top end of the main rib, and the lower end of the heat-shrinkable tube extends to be in contact with the stirrup at the uppermost layer; the guide pipe is arranged in the reinforcement cage.
Preferably, the heat-shrinkable tube comprises a diesel-resistant elastic heat-shrinkable tube and a low-temperature shrinkage flame-retardant heat-shrinkable tube.
Preferably, the wall thickness of the heat shrinkable tube is 1.5mm-2.5mm.
Preferably, the diameter of the main rib is 2.2cm-3.2cm.
Preferably, the number of the main ribs is 26-36.
Preferably, the pipe diameter of the conduit is 26cm-30cm, and the length of the conduit is 50cm-300cm.
Preferably, the pile foundation pouring system comprises a plurality of guide pipes, and the guide pipes are spliced in sequence along the vertical direction.
Preferably, the bottom end of the heat-shrinkable tube is bound to the main rib through a metal wire.
Preferably, the bottom end of the heat-shrinkable tube is tightly sealed on the main rib through an adhesive tape.
Preferably, the stirrup comprises a stiffening stirrup and a spiral stirrup; the diameter of the stiffening stirrup is 1.8cm-2.2cm, and the diameter of the spiral stirrup is 1cm-1.5cm; the bottom end of the heat shrinkable tube extends to contact the spiral stirrup of the uppermost layer.
The application provides a pile foundation pouring system, compares with prior art, and its beneficial effect lies in:
the steel reinforcement cage is matched with the guide pipe so as to facilitate concrete pouring, the top end of the main reinforcement of the steel reinforcement cage is sleeved with a heat-shrinkable tube, the top end of the heat-shrinkable tube is level with the top end of the main reinforcement, the lower end of the heat-shrinkable tube extends to contact with the stirrup at the uppermost layer, the heat-shrinkable tube can prevent the top end of the main reinforcement of the steel reinforcement cage from being polluted by concrete slurry, after a pile head is broken, the broken pile head part can be directly separated from the steel reinforcement cage, the main reinforcement is not broken, the cleaning cost of slurry leakage of the main reinforcement can be saved, and the labor cost can be saved; in addition, the heat-shrinkable tube shrinks when in heat, the heat-shrinkable tube with one specification can be adapted to the main reinforcement of a steel reinforcement cage with various types, and only the heat-shrinkable tube with one specification is needed to be prepared on a construction site, so that the efficiency of on-site pile foundation construction can be improved to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In addition, in the drawings, like parts are designated with like reference numerals and the drawings are not drawn to actual scale.
FIG. 1 is a schematic illustration of a pile foundation casting system of the present application;
FIG. 2 is a schematic view of a heat shrinkable tube of the pile foundation casting system shown in FIG. 1;
reference numerals illustrate:
1. a reinforcement cage; 11. a main rib; 12. stirrups; 13. a heat shrinkable tube; 2. a catheter.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
As shown in fig. 1-2, embodiments of the present application provide a pile foundation casting system comprising a reinforcement cage 1 and a conduit 2; the reinforcement cage 1 is formed by overlapping a plurality of main reinforcements 11 and a plurality of stirrups 12; a heat-shrinkable tube 13 is sleeved on each main rib 11, the top end of the heat-shrinkable tube 13 is level with the top end of the main rib 11, and the lower end of the heat-shrinkable tube 13 extends to contact the stirrup 12 at the uppermost layer; the conduit 2 is arranged in the reinforcement cage 1.
Based on the technical scheme, the reinforcement cage 1 is matched with the guide pipe 2 so as to facilitate concrete pouring, the top end of the main reinforcement 11 of the reinforcement cage 1 is sleeved with the heat-shrinkable tube 13, the top end of the heat-shrinkable tube 13 is flush with the top end of the main reinforcement 11, the lower end of the heat-shrinkable tube extends to contact with the stirrup 12 on the uppermost layer, the heat-shrinkable tube 13 can prevent the top end of the main reinforcement 11 of the reinforcement cage 1 from being polluted by concrete slurry, after a pile head is broken, the broken pile head part can be directly separated from the reinforcement cage 1, the main reinforcement 11 is not broken, and the cleaning cost for leakage of the main reinforcement 11 and the labor cost can be saved; in addition, the heat-shrinkable tube 13 shrinks when being heated, the heat-shrinkable tube 13 with one specification can be matched with the main ribs 11 of the reinforcement cage 1 with various types, and only the heat-shrinkable tube 13 with one specification is needed to be prepared on a construction site, so that the efficiency of on-site pile foundation construction can be improved to a certain extent.
The top end of the main reinforcement 11 of the reinforcement cage 1, namely the anchoring section of the end of the main reinforcement 11 of the reinforcement cage 1, is referred to in the application.
Before concrete is poured, the guide pipe 2 is extended into the reinforcement cage 1, and concrete is conveyed in the guide pipe 2 to be isolated from water; at other times, the conduit 2 is separate from the reinforcement cage 1 for separate storage.
The heat-shrinkable tube 13 with one specification only needs to be prepared on the construction site, so that the heat-shrinkable tube 13 is convenient to store on the construction site, the construction site is not messy, and concrete slurry is not easy to adhere.
The bottom end of the heat-shrinkable tube 13 can also extend to a position 0-1 cm below the pile head cutting line or a position 0-1 cm above the pile head cutting line.
The heat-shrinkable tube 13 comprises the diesel-resistant elastic heat-shrinkable tube 13, can adapt to-75 ℃ to 150 ℃, can shrink after being heated, can be tightly attached to the main rib 11 of the reinforcement cage 1, has high material stability, and can not change the material property when the concrete is coagulated and heated; the heat-shrinkable tube 13 can also be a low-temperature shrinkage flame-retardant heat-shrinkable tube, and has the advantages of softness, flame retardance, environmental protection, low-temperature shrinkage and the like, the shrinkage temperature is 65-95 ℃, and the use temperature is-55-125 ℃.
Preferably, the heat shrinkable tube 13 has a wall thickness of 1.5mm to 2.5mm, such as a diesel-resistant elastic heat shrinkable tube 13 having a wall thickness of 1.8 mm.
The bottom of the heat-shrinkable tube 13 is bound on the main rib 11 through a metal wire, or the bottom of the heat-shrinkable tube 13 is tightly sealed on the main rib 11 through an adhesive tape, so as to prevent concrete slurry from penetrating into the main rib 11 of the contact reinforcement cage 1 from the bottom of the heat-shrinkable tube 13.
The diameters of the main ribs 11 are 2.2cm-3.2cm, the number of the main ribs 11 is 26-36, in practice, the diameters of the main ribs 11 of the reinforcement cage 1 used in a construction site are 2.2cm, 2.5cm and 3.2cm, correspondingly, the number of the main ribs 11 with the diameter of 2.5cm is 26 or 32, and the number of the main ribs 11 with the diameter of 3.2cm is 30 or 36, but the specific diameter of the main ribs 11 and the number of the main ribs 11 are still required to refer to specific construction requirements, so that the structural strength of the reinforcement cage 1 can meet the construction requirements.
The stirrups 12 include stiffening stirrups and spiral stirrups; the diameter of the stiffening stirrup is 1.8cm-2.2cm, and the diameter of the spiral stirrup is 1cm-1.5cm; the bottom end of the heat shrinkable tube 13 extends to contact the spiral stirrup of the uppermost layer.
Pipe diameter of pipe 2 of this application is 26cm-30cm, length be 50cm-300cm to this pile foundation casting system includes a plurality of pipe 2, and a plurality of pipe 2 splice in proper order along vertical direction, and the construction requirement of pipe 2 is: the initial filling amount of the concrete can ensure that the depth of the conduit 2 embedded into the concrete is not less than 0.8m after the concrete is filled, and the pressure of the concrete column in the conduit 2 and the slurry column outside the conduit is balanced; in the process of pouring concrete, the guide pipe 2 should be buried in the concrete all the time, and the guide pipe 2 is strictly forbidden to be lifted out of the concrete surface; the depth of the conduit 2 embedded into the concrete is preferably 2-6 m, and the minimum embedding depth is not less than 1m; the guide pipe 2 should be removed by a service, and the length of the pipe is not more than 4.5m after one time of pipe lifting and removing.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).
Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. 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. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The pile foundation pouring system is characterized by comprising a reinforcement cage and a guide pipe;
the reinforcement cage is formed by overlapping a plurality of main reinforcements and a plurality of stirrups;
a heat-shrinkable tube is sleeved on each main rib, the top end of the heat-shrinkable tube is level with the top end of the main rib, and the lower end of the heat-shrinkable tube extends to be in contact with the stirrup at the uppermost layer;
the guide pipe is arranged in the reinforcement cage.
2. The pile foundation casting system of claim 1, wherein the heat shrink tube comprises a diesel-resistant elastic heat shrink tube, a low temperature shrink flame retardant heat shrink tube.
3. Pile foundation casting system according to claim 1, characterised in that the wall thickness of the heat shrink tube is 1.5mm-2.5mm.
4. Pile foundation casting system according to claim 1, characterised in that the diameter of the main bars is 2.2cm-3.2cm.
5. The pile foundation casting system of claim 4 wherein the number of main tendons is 26-36.
6. Pile foundation casting system according to claim 1, wherein the pipe diameter of the conduit is 26cm-30cm and the length is 50cm-300cm.
7. The pile foundation casting system of claim 6, comprising a plurality of the conduits, the plurality of conduits being spliced in sequence in a vertical direction.
8. The pile foundation casting system of claim 1 wherein the bottom end of the heat shrinkable tube is tied to the main tendon by a wire.
9. The pile foundation casting system of claim 1 wherein the bottom end of the heat shrinkable tube is sealed to the main tendon by an adhesive tape.
10. The pile foundation casting system of claim 1 wherein the stirrups comprise stiffening stirrups and helical stirrups;
the diameter of the stiffening stirrup is 1.8cm-2.2cm, and the diameter of the spiral stirrup is 1cm-1.5cm;
the bottom end of the heat shrinkable tube extends to contact the spiral stirrup of the uppermost layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821389.9U CN219137645U (en) | 2022-10-25 | 2022-10-25 | Pile foundation pouring system |
| JP2023000994U JP3242300U (en) | 2022-10-25 | 2023-03-30 | Pile foundation driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821389.9U CN219137645U (en) | 2022-10-25 | 2022-10-25 | Pile foundation pouring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219137645U true CN219137645U (en) | 2023-06-06 |
Family
ID=86599528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222821389.9U Active CN219137645U (en) | 2022-10-25 | 2022-10-25 | Pile foundation pouring system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3242300U (en) |
| CN (1) | CN219137645U (en) |
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2022
- 2022-10-25 CN CN202222821389.9U patent/CN219137645U/en active Active
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2023
- 2023-03-30 JP JP2023000994U patent/JP3242300U/en active Active
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| Publication number | Publication date |
|---|---|
| JP3242300U (en) | 2023-06-07 |
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