CN211816200U - Interior precast concrete drainage stake that permeates water - Google Patents
Interior precast concrete drainage stake that permeates water Download PDFInfo
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- CN211816200U CN211816200U CN202020191666.0U CN202020191666U CN211816200U CN 211816200 U CN211816200 U CN 211816200U CN 202020191666 U CN202020191666 U CN 202020191666U CN 211816200 U CN211816200 U CN 211816200U
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- concrete pile
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- pile
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000011178 precast concrete Substances 0.000 title claims abstract description 25
- 239000012466 permeate Substances 0.000 title claims description 16
- 239000004567 concrete Substances 0.000 claims abstract description 95
- 239000011148 porous material Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 20
- 238000010276 construction Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of building construction, and discloses an inner permeable precast concrete drainage pile, it includes the concrete pile core, the concrete pile lid, the concrete pile head and the portion of permeating water, drainage channel has been seted up along the axial to the concrete pile core, the interval is equipped with a plurality of drainage side openings on the lateral wall of concrete pile core, the drainage side opening feeds through in drainage channel, the concrete pile lid is connected in the top of concrete pile core, first through-hole has been seted up along the axial on the concrete pile lid, first through-hole and drainage channel intercommunication, the concrete pile head is connected in the bottom of concrete pile core, the concrete pile head, concrete pile lid and concrete pile core integrated into one piece, it is outside the concrete pile core to pass through the water portion cover and locate, the portion of permeating water connects between concrete pile lid and concrete pile head, a plurality of second through-holes have been seted up on the lateral wall of the portion of permeating water, the second through-hole is adjusted well the intercommunication with the drainage side opening one by one. Tensile strength and compressive strength of the drainage pile can be guaranteed, and drainage effect of the drainage pile can be improved.
Description
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to an interior precast concrete drainage stake that permeates water.
Background
In the construction of civil engineering such as the construction of buildings, the construction of highway subgrades, the construction of hydraulic engineering structures and the like, the problems of soft soil foundation treatment and reinforcement are often solved by adopting a pile foundation form so as to meet the requirements of the buildings on the bearing capacity and settlement of the foundation.
In the construction of saturated soft soil foundation, it is a common construction method to drive precast piles into the soil layer of the foundation. The soil layer is squeezed into the pile to damage the soil structure, the water pressure in the foundation soil layer is increased to form super-pore water pressure, and particularly for saturated soft soil, the super-pore water pressure can easily aggravate soil squeezing, influence the bearing strength, and cause the consequences of inclination or collapse of a building and the like. The traditional precast concrete pile is not provided with a quick-dissipating drainage channel, so that the ground uplift phenomenon is easily caused.
Therefore, it is needed to provide a precast concrete drainage pile with internal water permeability to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interior precast concrete drainage stake that permeates water can guarantee the tensile, the compressive strength of drainage stake, can also improve the drainage effect of drainage stake, after squeezing into the soil body, makes the soil body can quick drainage solidify to prevent the ground uplift, improve the security of construction.
To achieve the purpose, the utility model adopts the following technical proposal:
an interior precast concrete drainage stake that permeates water includes:
the concrete pile core is provided with a drainage channel along the axial direction, a plurality of drainage side holes are arranged on the outer side wall of the concrete pile core at intervals, and the drainage side holes are communicated with the drainage channel;
the concrete pile cover is connected to the top end of the concrete pile core, a first through hole is formed in the concrete pile cover along the axial direction, and the first through hole is communicated with the drainage channel;
the concrete pile head is connected to the bottom end of the concrete pile core, and the concrete pile head, the concrete pile cover and the concrete pile core are integrally formed;
the portion of penetrating water, the cover is located outside the concrete pile core, the one end of the portion of penetrating water connect in concrete pile lid, the other end connect in concrete pile head, a plurality of second through-holes have been seted up on the lateral wall of the portion of penetrating water, the second through-hole with the intercommunication is adjusted well one by one to the side opening that drains.
Preferably, a plurality of collecting holes are formed in the bottom of the side wall of the concrete pile core, the collecting holes are communicated with the drainage channel, and pore water can penetrate through the water permeable part and flow into the drainage channel through the collecting holes.
Preferably, the outer side wall of the water permeable part is provided with a plurality of through grooves, the through grooves are communicated with the collecting holes, and pore water in the through grooves can flow into the drainage channel through the collecting holes.
Preferably, the water permeable portion is of a truncated cone shape.
Preferably, the concrete pile head is conical.
Preferably, the drainage side holes are distributed in multiple rows at equal intervals around the circumference of the concrete pile core, the axial distance between every two adjacent drainage side holes in each row is sequentially reduced from the top end to the bottom end of the concrete pile core, and the two adjacent rows of drainage side holes are arranged in a staggered mode along the axial direction.
Preferably, a filter screen is arranged in the second through hole.
Preferably, two water-permeable steel plates which are spaced from each other are arranged in the second through hole, and a sand lining is filled between the two water-permeable steel plates.
Preferably, a steel reinforcement cage is embedded in the concrete pile core and the water permeable part respectively.
Preferably, the extension direction of the drainage side hole is inclined downward from the outer wall to the inside of the concrete pile core.
The utility model has the advantages that:
the utility model provides an interior precast concrete drainage stake that permeates water, it includes integrated into one piece's concrete pile head, concrete pile lid and concrete pile core, has guaranteed the holistic tensile of drainage stake, compressive strength, and the portion cover that permeates water outside locating the concrete pile core, the second through-hole on the lateral wall that permeates water communicates in drainage channel, and the hole water can see through the portion that permeates water and flow in drainage channel, also can flow in drainage channel through the second through-hole, has improved the drainage effect of drainage stake. The utility model provides an interior precast concrete drainage pile that permeates water can guarantee the tensile, the compressive strength of drainage pile, can also improve the drainage effect of drainage pile, after squeezing into the soil body, makes the soil body can quick drainage solidify, improves the security of piling.
Drawings
Fig. 1 is a schematic view of a partial structure of an internal permeable precast concrete drainage pile provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a water permeable part provided in an embodiment of the present invention;
fig. 3 is an axial sectional view of an inner permeable precast concrete drainage pile provided by an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
fig. 5 is a sectional view at B-B in fig. 3.
In the figure:
1. a concrete pile core; 2. concrete pile covers; 3. a concrete pile head; 4. a water permeable section;
11. a drainage channel; 12. a side drain hole; 13. a collection well; 41. a second through hole; 42. a through groove; 51. a permeable steel plate.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly and can include, for example, a mounted connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediary, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present embodiment provides an internal water permeable precast concrete drainage pile, which includes a concrete pile core 1, a concrete pile cover 2, a concrete pile head 3, and a water permeable part 4. The concrete pile core 1 is provided with a drainage channel 11 along the axial direction, the outer side wall of the concrete pile core 1 is provided with a plurality of drainage side holes 12 at intervals, and the drainage side holes 12 are communicated with the drainage channel 11; the concrete pile cover 2 is connected to the top end of the concrete pile core 1, a first through hole is formed in the concrete pile cover 2 along the axial direction, and the first through hole is communicated with the drainage channel 11; the concrete pile head 3 is connected to the bottom end of the concrete pile core 1, and the concrete pile head 3, the concrete pile cover 2 and the concrete pile core 1 are integrally formed; the water permeable part 4 is sleeved outside the concrete pile core 1, one end of the water permeable part 4 is connected to the concrete pile cover 2, the other end of the water permeable part 4 is connected to the concrete pile head 3, a plurality of second through holes 41 are formed in the outer side wall of the water permeable part 4, and the second through holes 41 are communicated with the water drainage side holes 12 in an aligned mode. The permeable part 4 in this embodiment is permeable concrete.
The precast concrete drainage pile permeates water in that this embodiment provides, its concrete pile head 3, concrete pile lid 2 and concrete pile core 1 integrated into one piece, the holistic tensile of drainage pile has been guaranteed, compressive strength, 4 covers of portion of permeating water are located outside concrete pile core 1, second through-hole 41 on the 4 lateral walls of portion of permeating water communicate in drainage channel 11, the hole water can permeate through 4 inflow drainage channel 11 of portion of permeating water, also can flow in drainage channel 11 through second through-hole 41, the drainage effect of drainage pile has been improved. The precast concrete drainage pile that permeates water in that this embodiment provided can guarantee the tensile, the compressive strength of drainage pile, can also improve the drainage effect of drainage pile, after driving into the soil body, makes the soil body can quick drainage concretion, improves the security of piling.
Specifically, a plurality of collecting holes 13 are opened at the bottom of the side wall of the concrete pile core 1, the collecting holes 13 are communicated with the drainage channel 11, and pore water can penetrate through the water permeable part 4 and flow into the drainage channel 11 through the collecting holes 13. Due to the action of gravity, most of the pore water penetrating through the water permeable part 4 is collected to the bottom end of the concrete pile core 1, so that the bottom of the side wall of the concrete pile core 1 is provided with the collecting hole 13, and the pore water can be collected through the collecting hole 13 and flow into the drainage channel 11.
More specifically, the outer side wall of the permeable part 4 is provided with a plurality of through grooves 42, the through grooves 42 are communicated with the collecting holes 13, and pore water in the through grooves 42 can flow into the drainage channel 11 through the collecting holes 13. The provision of the through slots 42 further facilitates the collection of pore water. Be provided with in leading to groove 42 and filter, in this embodiment, filter and be two permeable steel sheet 51 that the interval set up, it has the sand lining to fill between two permeable steel sheet 51, can play the purpose of filtering impurity, can improve the intensity of drainage stake again.
Alternatively, the permeable part 4 is a truncated cone shape, which can increase the contact area between the drainage pile and the soil body, thereby promoting the drainage effect. The concrete pile head 3 is conical, and the conical tip of the conical concrete pile head 3 can reduce the resistance in the piling process, so that the drainage pile can be conveniently and smoothly driven into a soil body.
Specifically, the drainage side holes 12 are distributed in multiple rows at equal intervals around the circumference of the concrete pile core 1, the axial distance between two adjacent drainage side holes 12 in each row is sequentially reduced from the top end to the bottom end of the concrete pile core 1, and the drainage side holes 12 in two adjacent rows are arranged in an axially staggered manner. The lower part of the soil body has more pore water than the upper part, so the drainage side holes 12 at the bottom of the concrete pile core 1 are arranged more densely, and the drainage side holes are favorable for the entry of the pore water, so the drainage side holes are discharged through the drainage channel 11, after the drainage pile is driven into the preset depth, the drainage pipe is inserted into the drainage channel 11, the first through hole on the concrete pile cover 2 is sealed, a negative pressure state is generated in the drainage channel 11 through a vacuum pump, the pore water is better pumped and discharged, and the consolidation of the soil body is accelerated.
Specifically, steel reinforcement cages are buried in the concrete pile core 1 and the permeable part 4 respectively, and the strength requirement of the drainage pile is guaranteed.
Optionally, a filter element is arranged in the second through hole 41 and used for filtering impurities such as soil and sand in pore water, and the filter element can be a filter screen with a mesh size smaller than the minimum particle size of a soil sample at a construction site. In this embodiment, two permeable steel plates 51 are provided in the second through hole 41 at intervals, and a sand lining is filled between the two permeable steel plates 51. Not only can filter impurity, can also improve the intensity of drainage stake.
Specifically, the extension direction of the drainage side hole 12 is inclined downward from the outer wall to the inside of the concrete pile core 1, facilitating the pore water to flow into the drainage channel 11 from the drainage side hole 12.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an interior precast concrete drainage stake that permeates water which characterized in that includes:
the concrete pile comprises a concrete pile core (1), wherein a drainage channel (11) is axially formed in the concrete pile core (1), a plurality of drainage side holes (12) are formed in the outer side wall of the concrete pile core (1) at intervals, and the drainage side holes (12) are communicated with the drainage channel (11);
the concrete pile cover (2) is connected to the top end of the concrete pile core (1), a first through hole is formed in the concrete pile cover (2) along the axial direction, and the first through hole is communicated with the drainage channel (11);
the concrete pile head (3) is connected to the bottom end of the concrete pile core (1), and the concrete pile head (3), the concrete pile cover (2) and the concrete pile core (1) are integrally formed;
the portion of penetrating water (4), the cover is located outside concrete pile core (1), the one end of the portion of penetrating water (4) connect in concrete pile lid (2), the other end connect in concrete pile head (3), a plurality of second through-holes (41) have been seted up on the lateral wall of the portion of penetrating water (4), second through-hole (41) with drainage side opening (12) are adjusted well the intercommunication one by one.
2. The internal water permeable precast concrete drainage pile according to claim 1, wherein a plurality of collecting holes (13) are formed at the bottom of the side wall of the concrete pile core (1), the collecting holes (13) are communicated with the drainage channel (11), and pore water can permeate through the water permeable part (4) and flow into the drainage channel (11) through the collecting holes (13).
3. The internal permeable precast concrete drainage pile according to claim 2, wherein a plurality of through grooves (42) are formed on the outer side wall of the permeable part (4), the through grooves (42) are communicated with the collecting holes (13), and pore water in the through grooves (42) can flow into the drainage channel (11) through the collecting holes (13).
4. The inner water permeable precast concrete drainage pile according to claim 1, wherein the water permeable part (4) is of a truncated cone shape.
5. The precast concrete drain pile that permeates water according to claim 1, characterized in that the concrete pile head (3) is of a conical type.
6. The precast concrete drainage pile of claim 1, characterized in that the drainage side holes (12) are distributed in a plurality of rows at equal intervals around the circumference of the concrete pile core (1), the axial distance between two adjacent drainage side holes (12) in each row decreases from the top end to the bottom end of the concrete pile core (1), and the drainage side holes (12) in two adjacent rows are staggered axially.
7. The inner water permeable precast concrete drain pile according to claim 1, wherein a filter screen is provided in the second through hole (41).
8. The inner water-permeable precast concrete drainage pile according to claim 1, wherein two water-permeable steel plates (51) spaced apart from each other are provided in the second through-hole (41), and a sand lining is filled between the two water-permeable steel plates (51).
9. The inner water-permeable precast concrete drainage pile according to claim 1, wherein a steel reinforcement cage is embedded in the concrete pile core (1) and the water-permeable part (4), respectively.
10. The inner water permeable precast concrete drain pile according to claim 1, wherein the extension direction of the drain side hole (12) is inclined downward from the outer wall to the inside of the concrete pile core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191666.0U CN211816200U (en) | 2020-02-20 | 2020-02-20 | Interior precast concrete drainage stake that permeates water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191666.0U CN211816200U (en) | 2020-02-20 | 2020-02-20 | Interior precast concrete drainage stake that permeates water |
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| CN211816200U true CN211816200U (en) | 2020-10-30 |
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| CN202020191666.0U Active CN211816200U (en) | 2020-02-20 | 2020-02-20 | Interior precast concrete drainage stake that permeates water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523207A (en) * | 2020-12-10 | 2021-03-19 | 中交（广州）建设有限公司 | Prestressed pipe pile serving as dewatering well and construction method thereof |
| CN114718048A (en) * | 2022-02-28 | 2022-07-08 | 中铁西北科学研究院有限公司 | High-intensity region sand-resistant soil liquefaction permeable pile and soil taking and pile planting construction method |
| CN114855770A (en) * | 2022-03-28 | 2022-08-05 | 中铁时代建筑设计院有限公司 | Device and method for dissipating excess pore water pressure generated by pile sinking of precast tubular pile |
-
2020
- 2020-02-20 CN CN202020191666.0U patent/CN211816200U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523207A (en) * | 2020-12-10 | 2021-03-19 | 中交（广州）建设有限公司 | Prestressed pipe pile serving as dewatering well and construction method thereof |
| CN112523207B (en) * | 2020-12-10 | 2022-06-24 | 中交（广州）建设有限公司 | Prestressed pipe pile used as dewatering well and construction method thereof |
| CN114718048A (en) * | 2022-02-28 | 2022-07-08 | 中铁西北科学研究院有限公司 | High-intensity region sand-resistant soil liquefaction permeable pile and soil taking and pile planting construction method |
| CN114855770A (en) * | 2022-03-28 | 2022-08-05 | 中铁时代建筑设计院有限公司 | Device and method for dissipating excess pore water pressure generated by pile sinking of precast tubular pile |
| CN114855770B (en) * | 2022-03-28 | 2024-04-26 | 中铁时代建筑设计院有限公司 | Device and method for dissipating excess pore water pressure generated by pile sinking of prefabricated pipe pile |
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