CN210459195U - Composite supporting anti-slide pile suitable for tunnel portal - Google Patents
Composite supporting anti-slide pile suitable for tunnel portal Download PDFInfo
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- CN210459195U CN210459195U CN202020011854.0U CN202020011854U CN210459195U CN 210459195 U CN210459195 U CN 210459195U CN 202020011854 U CN202020011854 U CN 202020011854U CN 210459195 U CN210459195 U CN 210459195U
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 78
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000012763 reinforcing filler Substances 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 abstract description 10
- 230000032683 aging Effects 0.000 abstract description 8
- 239000003673 groundwater Substances 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 7
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a composite supporting friction pile suitable for tunnel entrance to a cave, including the outer pile cover body, the interior pile cover body, hexagon prestressed pile, drainage structures and reinforcement reinforcing layer, the inboard of the outer pile cover body is provided with the interior pile cover body, and interior pile cover body inboard is provided with hexagon prestressed pile, be provided with the inner circle wire net on the outer wall of the interior pile cover body, the inside central point department of putting of hexagonal prestressed pile is provided with central through-hole, and the inside of central through-hole is provided with central slip casting pipe to the outer wall of central slip casting pipe and the inner wall fixed connection of central through-hole, be fixed with the reinforcement obturator on the outer wall of hexagon prestressed pile, be provided with drainage structures on the outer wall of the outer pile cover body one side. The utility model discloses not only reduced because of the too high landslide thrust that leads to of ground water level for the sliding force of the great landslide body of friction pile fender has delayed friction pile's ageing moreover.
Description
Technical Field
The utility model relates to a civil engineering technical field specifically is a friction pile is strutted to compound suitable for tunnel entrance to a cave.
Background
Along with the rapid landing of the balanced development and planning of the national strategy of 'one road in one road' and the industrial infrastructure of 'thirteen five', a large number of traffic trunk roads are planned in vast mountainous areas such as the west, the south, the northwest, the southwest and the like of China, more highway tunnels must be constructed, and according to the principle of 'Ningqian not weak' tunnel portal support, anti-slide piles are adopted for supporting the sides and the slopes of the tunnels more, penetrate through the landslide body and go deep into pile columns of a slide bed to support the sliding force of the landslide body and play a role in stabilizing the slopes, and the arrangement of the anti-slide piles on the slopes is a main measure for anti-slide treatment.
The composite supporting anti-slide piles on the market are various in types, can basically meet the use requirements of people, but still have certain defects, and have the following specific problems.
(1) The existing composite supporting anti-slide pile is usually of a waterproof structure, and the construction of the anti-slide pile retards the drainage of underground water and raises the underground water level behind the pile, so that the landslide thrust is increased, and the normal work of the anti-slide pile is very unfavorable;
(2) the existing composite supporting anti-slide pile has weak tension capability when in use, so that the horizontal bearing capability of the anti-slide pile is limited, and the sliding force of a larger sliding slope body is difficult to support;
(3) the terrain, geological conditions, climate and ecological conditions of the existing composite supporting slide-resistant pile are extremely complex and severe, so that the aging of the slide-resistant pile is accelerated, and the service life of the slide-resistant pile is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a friction pile is strutted to complex suitable for tunnel entrance to a cave to it is difficult to permeate water when using to provide the friction pile is strutted to complex among the solution above-mentioned background art, and bearing capacity is limited and abominable geographical environment has accelerated the problem of its ageing degree.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite support friction pile suitable for tunnel entrance to a cave, includes the outer pile cover body, the inner pile cover body, hexagon prestressed pile, drainage structures and consolidates the reinforcing bar layer, the inboard of the outer pile cover body is provided with the inner pile cover body, and the inner pile cover body inboard is provided with hexagon prestressed pile, the inside central point department of putting of hexagon prestressed pile is provided with central through-hole, and the inside of central through-hole is provided with central slip casting pipe to the outer wall of central slip casting pipe and the inner wall fixed connection of central through-hole, be fixed with the reinforcement obturator on the outer wall of hexagon prestressed pile, be provided with drainage structures on the outer wall of outer pile cover body one side.
Preferably, be provided with the inner circle wire net on the outer wall of the interior pile cover body, the inner wall of inner circle wire net and the outer wall fixed connection of the interior pile cover body, and be fixed with the reinforcement reinforcing bar layer on the outer wall of inner circle wire net to be fixed with the outer lane wire net on the outer wall of reinforcement reinforcing bar layer, the outer wall of outer lane wire net and the inner wall fixed connection of the outer pile cover body are convenient for improve the stability of friction pile, delay the ageing of friction pile.
Preferably, the inside of the drainage structure is provided with a water inlet, a water conduit, a drain pipe, a water dredging sleeve, a gravel body and a filter screen sleeve in sequence, and the outer wall of one side is provided with the water inlet so as to facilitate the leading-out of underground water.
Preferably, the inside water-conducting pipe that is provided with of the outer pile cover body of water inlet position department, and the inside drain pipe that is provided with of the outer pile cover body of water-conducting pipe below, the drain pipe is linked together with the water-conducting pipe to the bottom of drain pipe extends to the outside of the outer pile cover body, is used for the drainage work of groundwater.
Preferably, a water dredging sleeve is fixed on the outer wall of the outer pile sleeve body on one side of the water inlet, a gravel body is filled in the water dredging sleeve, and a filter screen sleeve is sleeved on the outer wall of the water dredging sleeve to prevent gravel impurities from blocking the water conduit and the drain pipe.
Preferably, all be provided with equidistant arc recess on the hexagonal prestressed pile outer wall of reinforcing obturator inboard, and the inside of arc recess is provided with peripheral slip casting pipe, the outer wall of peripheral slip casting pipe one side and the inner wall fixed connection of arc recess to the outer wall of peripheral slip casting pipe opposite side extends to the outside of arc recess and with reinforcing obturator fixed connection, has improved the bearing capacity of friction pile.
Compared with the prior art, the beneficial effects of the utility model are that: the composite supporting anti-slide pile suitable for the tunnel portal not only reduces landslide thrust caused by overhigh underground water level, so that the anti-slide pile can support and block the sliding force of a larger landslide body, but also delays the aging of the anti-slide pile;
(1) by arranging the water inlet, the water diversion pipe, the drain pipe, the water dredging sleeve, the gravel body and the filter screen sleeve, underground water flows into the interior of the water diversion pipe through the water inlet, the underground water flows into the exterior of the anti-slide pile under the flow diversion effect of the drain pipe due to the fact that the water diversion pipe and the drain pipe are of a communicated structure, meanwhile, the filter screen sleeve outside the water dredging sleeve blocks gravel mixed in the underground water for the first time, and the gravel body inside the water dredging sleeve blocks impurities in the underground water for the second time, so that the water diversion pipe and the drain pipe are prevented from being blocked by the gravel impurities, and therefore landslide thrust caused by overhigh underground water level is reduced;
(2) the hexagonal prestressed pile in the anti-slide pile is of a six-face structure and blocks pressure in all directions, meanwhile, the peripheral grouting pipe in the arc-shaped groove on the outer wall of the hexagonal prestressed pile increases the stability of the hexagonal prestressed pile, and the central grouting pipe in the central through hole in the hexagonal prestressed pile further improves the bearing capacity of the hexagonal prestressed pile, so that the anti-slide pile can support and block the sliding force of a large slide slope body;
(3) through being provided with inner circle wire net, reinforcing steel bar layer and outer lane wire net, the reinforcing steel bar layer between the interior pile cover body and the outer pile cover body reinforces the outside of friction pile, simultaneously under the mating reaction of inner circle wire net and outer lane wire net, has delayed the ageing of friction pile to the life of friction pile has been prolonged.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the top view cross-section enlarged structure of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 4 is an enlarged schematic view of the drainage structure of the present invention.
In the figure: 1. an outer pile sleeve body; 2. an inner pile sleeve body; 3. a hexagonal prestressed pile; 4. a drainage structure; 401. a water inlet; 402. a water conduit; 403. a drain pipe; 404. a water dredging sleeve; 405. breaking the stone body; 406. a filter screen sleeve; 5. an arc-shaped groove; 6. a peripheral grouting pipe; 7. a central through hole; 8. a central grouting pipe; 9. reinforcing the filling body; 10. an inner steel wire mesh; 11. reinforcing the reinforcing steel bar layer; 12. and an outer ring steel wire mesh.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a composite supporting anti-slide pile suitable for a tunnel portal comprises an outer pile sleeve body 1, an inner pile sleeve body 2, a hexagonal prestressed pile 3, a drainage structure 4 and a reinforcing steel bar layer 11, wherein the inner pile sleeve body 2 is arranged on the inner side of the outer pile sleeve body 1, and the hexagonal prestressed pile 3 is arranged on the inner side of the inner pile sleeve body 2;
an inner ring steel wire mesh 10 is arranged on the outer wall of the inner pile sleeve body 2, the inner wall of the inner ring steel wire mesh 10 is fixedly connected with the outer wall of the inner pile sleeve body 2, a reinforcing steel bar layer 11 is fixed on the outer wall of the inner ring steel wire mesh 10, an outer ring steel wire mesh 12 is fixed on the outer wall of the reinforcing steel bar layer 11, and the outer wall of the outer ring steel wire mesh 12 is fixedly connected with the inner wall of the outer pile sleeve body 1, so that the stability of the slide-resistant pile is improved conveniently, and the aging of the slide-resistant pile is delayed;
a central through hole 7 is formed in the center of the interior of the hexagonal prestressed pile 3, a central grouting pipe 8 is arranged in the central through hole 7, the outer wall of the central grouting pipe 8 is fixedly connected with the inner wall of the central through hole 7, a reinforcing filler 9 is fixed on the outer wall of the hexagonal prestressed pile 3, and a drainage structure 4 is arranged on the outer wall of one side of the outer pile sleeve body 1;
a water inlet 401, a water conduit 402, a water drain pipe 403, a water drainage sleeve 404, a gravel body 405 and a filter screen sleeve 406 are sequentially arranged in the drainage structure 4, the water conduit 402 is arranged in the outer pile sleeve body 1 at the position of the water inlet 401 on the outer wall of one side, the water drain pipe 403 is arranged in the outer pile sleeve body 1 below the water conduit 402, the water drain pipe 403 is communicated with the water conduit 402, the bottom end of the water drain pipe 403 extends to the outside of the outer pile sleeve body 1, a water dredging sleeve 404 is fixed on the outer wall of the outer pile sleeve body 1 at one side of the water inlet 401, the gravel body 405 is filled in the water drainage sleeve 404, and the filter screen sleeve 406 is sleeved on the outer;
groundwater flows into the interior of the water conduit 402 through the water inlet 401, and due to the fact that the water conduit 402 and the drain pipe 403 are in a communicated structure, the groundwater flows into the exterior of the anti-slide pile under the guiding effect of the drain pipe 403, meanwhile, the filter screen sleeve 406 outside the water dredging sleeve 404 blocks crushed stones mixed in the groundwater for the first time, and the crushed stone body 405 inside the water dredging sleeve 404 blocks impurities in the groundwater for the second time, so that the water conduit 402 and the drain pipe 403 are prevented from being blocked by the crushed stone impurities, and landslide thrust caused by overhigh groundwater level is reduced;
all be provided with equidistant arc recess 5 on the 3 outer walls of hexagon prestressed pile of reinforcement obturator 9 inboard, and the inside of arc recess 5 is provided with peripheral slip casting pipe 6, the outer wall of peripheral slip casting pipe 6 one side and the inner wall fixed connection of arc recess 5 to the outer wall of peripheral slip casting pipe 6 opposite side extends to the outside of arc recess 5 and with reinforcement obturator 9 fixed connection, has improved the bearing capacity of friction pile.
The working principle is as follows: the worker firstly installs the composite support anti-slide pile on the slopes at the two sides of the tunnel portal, so that the composite support anti-slide pile penetrates through the landslide body and goes deep into the slide bed to support the sliding force of the landslide body and stabilize the side slope, in the process, underground water flows into the interior of the water conduit 402 through the water inlet 401, as the water conduit 402 and the water conduit 403 are in a communicated structure, the underground water flows into the exterior of the anti-slide pile under the flow guiding action of the water conduit 403, simultaneously, the filter screen sleeve 406 outside the water dredging sleeve 404 blocks crushed stones mixed in the underground water for the first time, and the crushed stone body 405 inside the water dredging sleeve 404 blocks impurities in the underground water for the second time, so that the crushed stone impurities are prevented from blocking the water conduit 402 and the water conduit 403, thereby reducing the landslide thrust caused by overhigh underground water level, then, the hexagonal pile 3 inside the anti-slide pile is in a six-face structure and blocks, meanwhile, the stability of the hexagonal prestressed pile 3 is improved by the peripheral grouting pipe 6 inside the arc-shaped groove 5 on the outer wall of the hexagonal prestressed pile 3, the bearing capacity of the hexagonal prestressed pile 3 is further improved by the central grouting pipe 8 in the central through hole 7 inside the hexagonal prestressed pile 3, and therefore the anti-slide pile can support and block the sliding force of a large sliding slope body, finally, the reinforcing steel bar layer 11 between the inner pile sleeve body 2 and the outer pile sleeve body 1 reinforces the outer side of the anti-slide pile, and meanwhile, under the matching action of the inner ring steel wire mesh 10 and the outer ring steel wire mesh 12, the aging of the anti-slide pile is delayed, the service life of the anti-slide pile is prolonged, and the work of the composite support anti-slide pile suitable for a tunnel portal is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a composite support friction pile suitable for tunnel entrance to a cave, includes the outer pile cover body (1), the interior pile cover body (2), hexagonal prestressed pile (3), drainage structures (4) and consolidates reinforcing bar layer (11), its characterized in that: the inner side of the outer pile sleeve body (1) is provided with an inner pile sleeve body (2), the inner side of the inner pile sleeve body (2) is provided with a hexagonal prestressed pile (3), the central position of the inner part of the hexagonal prestressed pile (3) is provided with a central through hole (7), the inner part of the central through hole (7) is provided with a central grouting pipe (8), the outer wall of the central grouting pipe (8) is fixedly connected with the inner wall of the central through hole (7), a reinforcing filling body (9) is fixed on the outer wall of the hexagonal prestressed pile (3), and a drainage structure (4) is arranged on the outer wall of one side of the outer pile sleeve body (1).
2. The composite supporting slide-resistant pile suitable for the tunnel portal according to claim 1, characterized in that: be provided with inner circle wire net (10) on the outer wall of the interior pile cover body (2), the inner wall of inner circle wire net (10) and the outer wall fixed connection of the interior pile cover body (2), and be fixed with on the outer wall of inner circle wire net (10) and consolidate reinforcing bar layer (11) to be fixed with outer lane wire net (12) on consolidating the outer wall of reinforcing bar layer (11), the outer wall of outer lane wire net (12) and the inner wall fixed connection of the outer pile cover body (1).
3. The composite supporting slide-resistant pile suitable for the tunnel portal according to claim 1, characterized in that: the drainage structure (4) is internally provided with a water inlet (401), a water conduit (402), a drain pipe (403), a drainage sleeve (404), a gravel body (405) and a filter screen sleeve (406) in sequence, and the outer wall of one side is provided with the water inlet (401).
4. The composite supporting slide-resistant pile suitable for the tunnel portal according to claim 3, characterized in that: the water inlet structure is characterized in that a water conduit (402) is arranged inside the outer pile sleeve body (1) at the position of the water inlet (401), a drain pipe (403) is arranged inside the outer pile sleeve body (1) below the water conduit (402), the drain pipe (403) is communicated with the water conduit (402), and the bottom end of the drain pipe (403) extends to the outside of the outer pile sleeve body (1).
5. The composite supporting slide-resistant pile suitable for the tunnel portal according to claim 3, characterized in that: the outer pile sleeve body (1) on one side of the water inlet (401) is fixedly provided with a water dredging sleeve (404), the inside of the water dredging sleeve (404) is filled with a gravel body (405), and the outer wall of the water dredging sleeve (404) is sleeved with a filter screen sleeve (406).
6. The composite supporting slide-resistant pile suitable for the tunnel portal according to claim 1, characterized in that: the reinforcing filler (9) is characterized in that equidistant arc grooves (5) are formed in the outer wall of the hexagonal prestressed pile (3) on the inner side of the reinforcing filler (9), peripheral grouting pipes (6) are arranged inside the arc grooves (5), the outer wall of one side of each peripheral grouting pipe (6) is fixedly connected with the inner wall of the corresponding arc groove (5), and the outer wall of the other side of each peripheral grouting pipe (6) extends to the outer portion of the corresponding arc groove (5) and is fixedly connected with the reinforcing filler (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020011854.0U CN210459195U (en) | 2020-01-04 | 2020-01-04 | Composite supporting anti-slide pile suitable for tunnel portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020011854.0U CN210459195U (en) | 2020-01-04 | 2020-01-04 | Composite supporting anti-slide pile suitable for tunnel portal |
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| Publication Number | Publication Date |
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| CN210459195U true CN210459195U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020011854.0U Expired - Fee Related CN210459195U (en) | 2020-01-04 | 2020-01-04 | Composite supporting anti-slide pile suitable for tunnel portal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718095A (en) * | 2021-01-04 | 2022-07-08 | 连云港华云桩业有限公司 | Pile foundation structure suitable for soft foundation and construction method |
-
2020
- 2020-01-04 CN CN202020011854.0U patent/CN210459195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718095A (en) * | 2021-01-04 | 2022-07-08 | 连云港华云桩业有限公司 | Pile foundation structure suitable for soft foundation and construction method |
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