CN112323792B - Internal-driving hammer pile pipe for holding-pressing type hammering pressure-grouting pile - Google Patents
Internal-driving hammer pile pipe for holding-pressing type hammering pressure-grouting pile Download PDFInfo
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- CN112323792B CN112323792B CN202011212233.XA CN202011212233A CN112323792B CN 112323792 B CN112323792 B CN 112323792B CN 202011212233 A CN202011212233 A CN 202011212233A CN 112323792 B CN112323792 B CN 112323792B
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- pipe
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- 230000001681 protective effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 10
- 239000002689 soil Substances 0.000 description 10
- 230000006378 damage Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
Abstract
The application relates to an internal-driving hammer pile tube for an internal-pressing type hammering pressure-grouting pile, which comprises an outer tube and an inner tube coaxially sleeved in the outer tube, wherein bottom plates are fixedly arranged at the bottoms of the outer tube and the inner tube, two symmetrically-arranged discharge ports are formed in the positions, corresponding to a cavity between the inner tube and the outer tube, on the bottom plates, the discharge ports are communicated with the cavity between the inner tube and the outer tube, and plug plates are arranged at the bottom surfaces, positioned on the bottom plates, of the discharge ports; and a feeding pipe is arranged on the side wall of the outer pipe. This application adopts the stake pipe of multi-functional unification, and pile sinking and hammering pile sinking combine together static pressure, when guaranteeing pile foundation bearing capacity, avoids the pile foundation to take place to destroy, can directly measure pile end resistance through the depression bar simultaneously.
Description
Technical Field
The utility model relates to a field of pressure filling pile construction especially relates to a embrace pressure formula hammering pressure filling pile and use interior hammer pile pipe.
Background
In the construction of civil engineering, different types of pile forming modes are adopted for different types of geology, wherein under the geological conditions of multiple soil layers such as a soft soil layer or a hard soil layer and the like, a pressure filling pile forming method is generally adopted, and the pressure filling pile forming is a process that a pile pipe is firstly pressed into the soil layer, then concrete is pumped into the pile pipe, and the pile pipe is gradually jacked up by the concrete to form a pile foundation.
At present, a static pressure pile sinking method and a hammering pile sinking method are generally adopted for pile forming through pressure grouting, wherein a pile pipe is gradually pressed into a soil layer through a hydraulic pile foundation, and the static pressure pile sinking method has the characteristics of low noise, no vibration, no pollution and high construction speed.
The hammering pile sinking method generally applies hammering force to the pile top, but has higher requirement on the quality of the pile body, otherwise, when the impact load is too large, the pile body is easy to damage, and the problems of large noise, large vibration, oil stain splashing and the like exist in the construction process, so that the application of the hammering pile sinking method in the construction of urban residential groups, public building groups and the like is greatly limited.
Aiming at the defects of the two types of construction methods, the inventor considers that how to improve the bearing capacity of a single pile and avoid the damage of a pile body is a problem to be solved urgently at present.
Disclosure of Invention
In order to improve the not enough and technical problem who avoids taking place the pile shaft destruction of single pile bearing capacity, this application provides a hold pressure formula hammering pressure and irritate stake with interior hammer pile pipe.
The application provides a pair of embrace pressure formula hammering pressure and irritate stake with interior hammer pile pipe adopts following technical scheme:
an inner driving hammer pile tube for a holding-pressing type hammering pressure filling pile comprises an outer tube and an inner tube coaxially sleeved in the outer tube, wherein bottom plates are fixedly arranged at the bottoms of the outer tube and the inner tube, two symmetrically-arranged discharge ports are formed in the positions, corresponding to a cavity between the inner tube and the outer tube, on the bottom plates, the discharge ports are communicated with the cavity between the inner tube and the outer tube, and plug plates are arranged at the bottom surfaces of the discharge ports, which are positioned on the bottom plates; and a feeding pipe is arranged on the side wall of the outer pipe.
By adopting the technical scheme, the multifunctional pile pipe is adopted, the hammering equipment can directly extend into the bottom of the pile pipe, and the hammering force is directly acted on the pile end, so that the problem that a pile body is easy to break and break in the hammering process is avoided, the pile pipe is driven to penetrate into a certain depth, and the bearing capacity value of a single pile is improved;
establish into the sleeve pipe through managing the stake, set up the discharge gate in the position of bottom plate symmetry, the concrete can flow from two discharge gates simultaneously, guarantees that stake socle portion atress is even, makes it can even vertical rising, for traditional from one side outflow, avoids the concrete to carry out the jacking to stake pipe unilateral, very easily because of the uneven or stake pipe slope of atress causes the problem that the card went on.
Optionally, the upper ends of the outer pipe and the inner pipe are provided with a top plate, a first communication hole communicated with the inner pipe is formed in the position, corresponding to the inner pipe, of the top plate, a release valve is arranged on the position, corresponding to the cavity between the inner pipe and the outer pipe, of the top plate, and the release valve is communicated with the space between the inner pipe and the outer pipe.
Through adopting above-mentioned technical scheme, connect the upper end of inner tube and outer tube through the roof, increase sheathed tube stability, avoid the in-process stake pipe at the hammering to be destroyed.
Optionally, a protection pipe is fixedly arranged in the cavity between the outer pipe and the inner pipe, the upper end and the lower end of the protection pipe are correspondingly fixedly arranged on the top plate and the bottom plate, a pressing rod is arranged in the protection pipe, a pressure sensor is arranged at the lower end of the pressing rod, a mounting groove communicated with the protection pipe is formed in the position, corresponding to the protection pipe, on the bottom plate, and a second communicating hole is formed in the position, corresponding to the protection pipe, on the top plate.
By adopting the technical scheme, the pile pipe is provided with the protective pipe, the resistance at the pile end is directly detected, the pile pressing force of the method is small, additional balance weight is not needed, the loading period is short, the pile testing cost is low, the pile testing cost of the project can be saved, the construction progress is accelerated, and the construction period of the pile foundation project is shortened.
Optionally, the lower extreme of depression bar is equipped with the pressure head, the diameter of mounting groove is greater than the diameter of pillar, the pressure head be located the mounting groove and with the size adaptation of mounting groove, pressure sensor establishes on the pressure head.
Through adopting above-mentioned technical scheme, the pressure head can be with the shutoff of pillar lower extreme, avoids when the pile is pressed, and soil gets into in the pillar, blocks up the pillar, has the guard action to the pillar.
Optionally, a nut is arranged at the upper end of the pressure lever above the top plate.
Through adopting above-mentioned technical scheme, through setting up the nut, can be when not using the depression bar, with the depression bar temporarily fixed on the pillar.
Optionally, one end of the feeding pipe, which is far away from the outer pipe, is bent upwards and then is bent downwards, so that the middle of the feeding pipe is arched.
Through adopting above-mentioned technical scheme, can avoid the concrete to take place the recharge, guarantee concrete placement's continuity.
Optionally, install the forcing pipe that is used for being connected with external pressure equipment on the roof, cavity intercommunication between forcing pipe and inner tube and the outer tube, install control flap on the forcing pipe, install control switch on the inlet pipe.
Through adopting above-mentioned technical scheme, add the forcing pipe, can be when concrete pressure is not enough jacking pile pipe, through the mode of pressure boost with the jacking of pile pipe, guarantee concrete placement's closely knit nature.
Optionally, the plug plate is hinged to the bottom plate.
Through adopting above-mentioned technical scheme, when concreting, only need mention the stake pipe slightly, make the plug board open, can pour convenient operation, quick to the concrete.
Optionally, an internal hammer is disposed within the inner tube.
By adopting the technical scheme, the internal impact hammer is used for internally impacting the pile pipe, so that the depth of the pile pipe penetrating into a soil layer is ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the multifunctional pile pipe is adopted, the hammering equipment can directly extend into the bottom of the pile pipe, and the hammering force is directly acted on the pile end, so that the problem that a pile body is easy to break and break in the hammering process is solved, the pile pipe is driven to penetrate into a certain depth, and the bearing force value of a single pile is improved;
2. the pile pipe is arranged as the sleeve pipe, the discharge ports are arranged at the symmetrical positions of the bottom plate, concrete can flow out from the two discharge ports simultaneously, the bottom of the pile pipe is uniformly stressed, the pile pipe can uniformly and vertically ascend, and compared with the traditional mode that the concrete flows out from one side, the problem that the concrete is clamped easily due to uneven stress or inclination of the pile pipe due to jacking of the single side of the pile pipe is avoided;
3. the method has the advantages of small pile pressing force, no need of additional counter weight, short loading period, low pile testing cost, capability of saving the pile testing cost of the project, acceleration of the construction progress and reduction of the construction period of the pile foundation project.
Drawings
Figure 1 is a cross-sectional view of a stake tube protruding out of the spout.
Figure 2 is a cross-sectional view of a pile tube extrusion shroud.
Description of the reference numerals: 1. an inner tube; 2. an outer tube; 3. protecting the pipe; 4. a base plate; 5. a discharge port; 6. a blanking plate; 7. a top plate; 8. a first communication hole; 9. a deflation valve; 10. a second communication hole; 11. a feed pipe; 12. an internal hammer; 13. a pressure lever; 14. mounting grooves; 15. a pressure head; 16. a pressure sensor; 17. a pressurizing pipe; 18. a control valve; 19. and controlling the switch.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses an internal-driving hammer pile pipe for an internal-driving hammer pressure-grouting pile. Referring to fig. 1 and 2, the pile pipe includes an inner pipe 1, an outer pipe 2 and a protection pipe 3, the inner pipe 1 is coaxially inserted into the outer pipe 2, the protection pipe 3 is fixedly arranged between the inner pipe 1 and the outer pipe 2, a bottom plate 4 is arranged at the bottom of the inner pipe 1 and the bottom of the outer pipe 2, the bottom plate 4 is a steel plate with the thickness of 20mm, and the inner pipe 1, the outer pipe 2 and the protection pipe 3 are respectively welded on the bottom plate 4. Two discharge ports 5 are formed in the bottom plate 4 corresponding to the cavity between the inner pipe 1 and the outer pipe 2, the discharge ports 5 are communicated with the cavity between the inner pipe 1 and the outer pipe 2, and the two discharge ports 5 are symmetrically arranged relative to the axis of the inner pipe 1. The bottom plate 4 is provided with a plugging plate 6 at the discharge port 5 respectively to isolate the discharge port 5 from the soil body so as to prevent the soil from being plugged, and the plugging plate 6 is hinged with the bottom plate 4.
The top of inner tube 1 and outer tube 2 is equipped with roof 7, and roof 7 is 20 mm's steel sheet, and the upper end of inner tube 1, outer tube 2 and pillar 3 welds respectively on roof 7. The top plate 7 is provided with a first communication hole 8 corresponding to the inner tube 1, which is communicated with the inner tube 1 and has the same inner diameter as the inner tube 1. A release valve 9 is arranged on the top plate 7 corresponding to the cavity between the inner pipe 1 and the outer pipe 2, and the release valve 9 is communicated with the space between the inner pipe 1 and the outer pipe 2. The top plate 7 is provided with a second communicating hole 10 corresponding to the protecting tube 3 and communicating with the protecting tube 3. The feeding pipe 11 is fixedly installed on the side wall of the outer pipe 2, the feeding pipe 11 is communicated with a cavity between the outer pipe 2 and the inner pipe 1, and one end, far away from the outer pipe 2, of the feeding pipe 11 is bent upwards firstly and then bent downwards to form a state that the middle of the feeding pipe 11 is arched. The inner pipe 1 is internally provided with an inner hammer 12 for internally hitting the bottom of the pile pipe to ensure that the pile pipe penetrates into a certain depth. The protecting tube 3 endotheca is equipped with depression bar 13, and the mounting groove 14 that communicates with protecting tube 3 is seted up to the position that corresponds protecting tube 3 on the bottom plate 4, and the diameter of mounting groove 14 is greater than protecting tube 3's diameter, is fixed with pressure head 15 on the depression bar 13, and pressure head 15 is located mounting groove 14, and pressure sensor 16 is installed to pressure head 15's tip for quick and simple and convenient acquisition pile tip resistance value.
Further, in order to ensure the compactness of concrete during pile foundation pressure irrigation, a pressure pipe 17 is fixedly arranged on the top plate 7, the pressure pipe 17 is communicated with a cavity between the inner pipe 1 and the outer pipe 2, a control valve 18 is arranged on the pressure pipe 17, a control switch 19 is arranged on the feeding pipe 11, when the concrete pressure can not jack the pile pipe, the control switch 19 is closed, a pressure device is connected to the pressure pipe 17, the control valve 18 is opened, air is filled into a cavity between the inner pipe 1 and the outer pipe 2 for pressurizing, so that the concrete can be slowly jack the pile pipe, after the pile pipe is jacked for a certain distance, the control valve 18 is closed, air is released, the control switch 19 is opened to continue pumping the concrete, through arranging the pressure pipe 17, the pressure of the concrete can be increased when the pile pipe can not be jacked, so that the pile pipe can be continuously jacked, compared with the traditional method of lifting the pile pipe, the compactness of the concrete is ensured, the pile forming quality of the pile foundation is ensured.
The implementation principle of the application is as follows: the inner driving hammer 12 is inserted into the inner pipe 1, the inner driving hammer 12 is lifted to the designed height by using the hammer lifting device and freely falls into the inner pipe 1, the bottom plate 4 at the bottom of the inner pipe 1 is hammered, the pile pipe is continuously penetrated, and the inner driving hammer 12 is repeatedly lifted and falls until the requirements of the bearing capacity and the pile length of the pile driver are met. Before the pile pipe penetrates into a soil layer, a pressing rod 13 is installed in the protective pipe 3, a pressing head 15 extends out of the lower end of the protective pipe 3 and is located in an installation groove 14, a nut is screwed on the upper end of the pressing rod 13 to limit the position of the pressing rod 13, after the pile pipe penetrates to the designed depth, internal striking is stopped, the nut on the pressing rod 13 is screwed off, the pressing rod 13 is pressed down, and pile end resistance under the pressing rod 13 is obtained through a pressure sensor 16.
If the resistance of the pile end meets the requirement, concrete can be poured, and if the resistance of the pile end does not meet the requirement, hammering pile sinking needs to be continuously carried out.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides an embrace pressure formula hammering pressure and irritate stake with interior hammer pile pipe which characterized in that: the discharge port structure comprises an outer pipe (2) and an inner pipe (1) coaxially sleeved in the outer pipe (2), wherein a bottom plate (4) is fixedly arranged at the bottoms of the outer pipe (2) and the inner pipe (1), two symmetrically arranged discharge ports (5) are formed in the bottom plate (4) corresponding to a cavity between the inner pipe (1) and the outer pipe (2), the discharge ports (5) are communicated with the cavity between the inner pipe (1) and the outer pipe (2), and a plug plate (6) is arranged at the bottom of the discharge port (5) on the bottom surface of the bottom plate (4); a feeding pipe (11) is mounted on the side wall of the outer pipe (2);
the upper ends of the outer pipe (2) and the inner pipe (1) are provided with a top plate (7), a first communication hole (8) communicated with the inner pipe (1) is formed in the position, corresponding to the inner pipe (1), of the top plate (7), a release valve (9) is arranged on the position, corresponding to the cavity between the inner pipe (1) and the outer pipe (2), of the top plate (7), and the release valve (9) is communicated with the space between the inner pipe (1) and the outer pipe (2);
a protective pipe (3) is fixedly arranged in a cavity between the outer pipe (2) and the inner pipe (1), the upper end and the lower end of the protective pipe (3) are correspondingly and fixedly arranged on the top plate (7) and the bottom plate (4), a pressure rod (13) is arranged in the protective pipe (3), a pressure sensor (16) is arranged at the lower end of the pressure rod (13), a mounting groove (14) communicated with the protective pipe (3) is formed in the position, corresponding to the protective pipe (3), on the bottom plate (4), and a second communicating hole (10) is formed in the position, corresponding to the protective pipe (3), on the top plate (7);
a pressure head (15) is arranged at the lower end of the pressure rod (13), the diameter of the mounting groove (14) is larger than that of the protective pipe (3), the pressure head (15) is positioned in the mounting groove (14) and is matched with the mounting groove (14) in size, and the pressure sensor (16) is arranged on the pressure head (15);
install on roof (7) and be used for the pressurized tube (17) be connected with external pressure equipment, pressurized tube (17) and inner tube (1) and the cavity intercommunication between outer tube (2), install control flap (18) on pressurized tube (17), install control switch (19) on inlet pipe (11).
2. The internal-driving hammer pile tube for an internal-driving pile-grouting pile according to claim 1, wherein: and a nut is arranged at the upper end of the pressure lever (13) above the top plate (7).
3. The internal-driving pile tube for an internal-driving pile-grouting pile according to claim 1, wherein: one end of the feeding pipe (11) far away from the outer pipe (2) is bent upwards and then bent downwards to form a state that the middle of the feeding pipe (11) is arched.
4. The internal-driving hammer pile tube for an internal-driving pile-grouting pile according to claim 1, wherein: the plug board (6) is hinged with the bottom board (4).
5. The internal-driving pile tube for an internal-driving pile-grouting pile according to claim 1, wherein: also comprises an internal hammer (12) arranged in the inner pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212233.XA CN112323792B (en) | 2020-11-03 | 2020-11-03 | Internal-driving hammer pile pipe for holding-pressing type hammering pressure-grouting pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212233.XA CN112323792B (en) | 2020-11-03 | 2020-11-03 | Internal-driving hammer pile pipe for holding-pressing type hammering pressure-grouting pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112323792A CN112323792A (en) | 2021-02-05 |
| CN112323792B true CN112323792B (en) | 2022-07-15 |
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ID=74323309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011212233.XA Expired - Fee Related CN112323792B (en) | 2020-11-03 | 2020-11-03 | Internal-driving hammer pile pipe for holding-pressing type hammering pressure-grouting pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN112323792B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2129471A (en) * | 1982-10-20 | 1984-05-16 | Int Des Pieux Armes Frankignou | Installation of piles |
| CN201459719U (en) * | 2009-05-20 | 2010-05-12 | 毕建东 | Test pile tip with internal tip |
| CN102286970B (en) * | 2011-06-24 | 2016-07-27 | 毕建东 | Whole process construction method of driven cast-in-place piles and special purpose device thereof |
| CN202509487U (en) * | 2011-12-02 | 2012-10-31 | 毕建东 | Combined pile pipe for construction of overall process of pipeline sinking pressure grouting pile |
| CN103866763B (en) * | 2012-12-12 | 2017-02-08 | 毕建东 | Method for making pile by performing pile pressure irrigation through immersed tube and special device and application |
| CN109208587A (en) * | 2017-06-30 | 2019-01-15 | 毕建东 | The construction method and device of caisson and application |
| CN109083138B (en) * | 2018-09-06 | 2020-06-02 | 福建大力新型建材科技有限公司 | Device for synchronously grouting prestressed pipe pile |
| CN110258571A (en) * | 2019-07-03 | 2019-09-20 | 深圳建中路桥工程有限公司 | A kind of bored concrete pile pipe sinking pressure grouting construction method |
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2020
- 2020-11-03 CN CN202011212233.XA patent/CN112323792B/en not_active Expired - Fee Related
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| CN112323792A (en) | 2021-02-05 |
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