CN116104080A - Combined pile for foundation engineering and pile foundation construction method - Google Patents
Combined pile for foundation engineering and pile foundation construction method Download PDFInfo
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- CN116104080A CN116104080A CN202310203496.1A CN202310203496A CN116104080A CN 116104080 A CN116104080 A CN 116104080A CN 202310203496 A CN202310203496 A CN 202310203496A CN 116104080 A CN116104080 A CN 116104080A
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims description 22
- 238000005553 drilling Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009435 building construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000000087 stabilizing 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
- E02D5/22—Piles
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
-
- 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
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
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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
- E02D5/62—Compacting the soil at the footing or in or along a casing by forcing cement or like material through tubes
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a foundation engineering combined pile which comprises a pile body and a threaded sleeve, wherein a threaded rod is connected inside the pile body in a penetrating manner; according to the foundation engineering combined pile and pile foundation construction method, a pile body is hoisted into a pre-drilled pile foundation hole through a crane, a transmission rod with the top being cross-shaped is utilized to drive a threaded rod to rotate, so that the threaded rod moves, when the cambered surface at the bottom of the threaded rod contacts with the inclined surface at one side of a first fixing rod, the first fixing rod moves, the first fixing rod continuously drills into soil along with the continuous movement of the threaded rod, when the cambered surface at the bottom of the threaded rod contacts with the arc surface at one end of a second fixing rod, the second fixing rod moves, and the first spring at one side is extruded to shrink the first spring, and the second fixing rod also drills into soil at the bottom of the ground when moving.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to a foundation engineering combined pile and a pile foundation construction method.
Background
The foundation is the foundation in the building engineering, the foundation engineering is the laying operation of the foundation for the building engineering, and the foundation pile is a very common foundation laying tool in the foundation engineering. The foundation sub-engineering comprises foundation bearing layer treatment, such as soft soil piling compaction, rubber soil replacement and the like, the pile foundation is a deep foundation consisting of piles and pile caps connected with the tops of the piles, or a single pile foundation connected with the piles and the pile foundation, and the combined pile is generally processed in a prefabrication or pouring mode and enters the foundation to play a role in stabilizing the foundation.
The foundation is the foundation of house construction, when constructing the foundation, need to drive into the foundation with the composite pile inside, stabilize the foundation, current composite pile is driven into the bottom after, can stretch out the dead lever of inside, insert in the earth of bottom, strengthen the composite pile and the connection effect of bottom, but the dead lever is generally straight insert in the earth of bottom, the composite pile still can appear the slight removal on the horizontal direction after driving into the bottom, influence joint strength, can not be fine carry out stable installation to the composite pile, influence subsequent construction.
Disclosure of Invention
The invention aims to provide a foundation engineering combined pile and a pile foundation construction method, which are used for solving the problem that the existing foundation engineering combined pile provided by the background art is insufficient in connection strength.
In order to achieve the above purpose, the present invention provides the following technical solutions: the foundation engineering combined pile comprises a pile body and a thread sleeve, wherein a threaded rod is connected inside the pile body in a penetrating manner;
the inside of the thread bush is in threaded connection with the threaded rod, the outside of the thread bush is fixed with the pile body, and a first fixing rod is connected in a penetrating manner in the pile body
Preferably, the first ball is movably connected to the outer side of the first fixing rod, and the moving groove is formed in the pile body.
Preferably, the outer side of the first ball is connected with the movable groove, and one side of the pile body, which is close to the first fixing rod, is connected with a second fixing rod in a penetrating manner.
Preferably, the second fixing rod is movably connected with a second ball, the outer side of the second ball is connected with the moving groove, and the outer side of the second fixing rod is sleeved with a first spring.
Preferably, one end of the first spring is connected with the second ball, the other end of the first spring is connected with the pile body, and the top of the threaded rod is fixedly connected with a connecting cover.
Preferably, the top of the connecting cover is provided with a cross groove, the inside of the connecting cover is provided with a grouting groove, and the bottom of the grouting groove is provided with a grouting hole.
Preferably, the grouting hole is formed in the pile body, an annular groove is formed in the pile body, and the annular groove is connected with the grouting hole.
Preferably, one side of the annular groove is connected with the movable groove, the bottom of the pile body is fixedly connected with a connecting rod, and the inside of the connecting rod is fixedly connected with a second spring.
Preferably, one end of the second spring is fixedly connected with a clamping block, one side of the clamping block is connected with a limiting groove, and the limiting groove is formed in the pile body.
A pile foundation construction method comprises the following steps:
s1, prefabricating a combined pile, selecting a pile foundation construction site, and drilling the construction site by using a drilling machine;
s2, after the drilling is finished, cleaning soil in the hole, and checking parameters such as the hole diameter, the hole depth, the hole inclination and the like;
s3, installing the combined pile into the drilled pile foundation hole, and reinforcing the combined pile;
s4, after the combined pile is installed, pouring concrete into the combined pile through a high-pressure pump;
s5, after the concrete in the combined pile is cooled, detecting the combined pile by using an ultrasonic detector, and detecting whether the strength of the combined pile is qualified.
Compared with the prior art, the invention has the beneficial effects that: the loop wheel machine is with pile body hoist and mount to the stake foundation hole that has been bored in advance, utilize the top to be the transfer line of cross drive threaded rod and rotate, make the threaded rod remove, when the cambered surface of threaded rod bottom and the inclined plane of first dead lever one side contact, first dead lever can remove, along with the continuous removal of threaded rod, first dead lever can be continuous bore into in the earth, when the cambered surface of threaded rod bottom contacts the arc surface of second dead lever one end, the second dead lever can remove, and extrude the first spring of one side, make it shrink, the second dead lever also can bore into in the earth of earth bottom when removing, because first dead lever and second dead lever are the slope staggered form, so can improve the joint strength of composite pile in the earth bottom, so can strengthen the joint strength of composite pile in the ground through above-mentioned operation, make the composite pile more firm.
1. The foundation is a foundation of building construction, when the foundation is constructed, a combined pile is required to be driven into the foundation, the foundation is stabilized, when the combined pile is driven into the foundation, a crane is used for hoisting the pile body into a pre-drilled pile foundation hole, after the pile body enters the hole, a transmission rod with the top being cross-shaped is connected with a cross groove at the top of a connecting cover, a threaded rod is driven to rotate, the threaded rod is in threaded transmission with a threaded sleeve when rotating, the threaded rod moves, the bottom of the threaded rod is arc-shaped, when the cambered surface at the bottom of the threaded rod is contacted with the inclined surface at one side of the first fixed rod, the first fixed rod moves, the first fixed rod continuously drills into soil, when the cambered surface at the bottom of the threaded rod is contacted with the arc surface at one end of the second fixed rod, the second fixed rod moves, and a first spring at one side of the pile body is extruded, so that the first spring at one side of the pile is contracted, and the second fixed rod is also driven into soil at the bottom of the ground when moving, so that the first fixed rod and the second fixed rod and the pile can be connected firmly in the ground in an operation mode, so that the combined pile can be firmly connected in the ground by the foundation;
drawings
FIG. 1 is a schematic view of a front view in cross section;
FIG. 2 is a schematic front view of a pile body according to the present invention;
FIG. 3 is a schematic top view of a pile according to the present invention;
FIG. 4 is a schematic top view of the connecting cover of the present invention;
FIG. 5 is a schematic front view of a first fixing rod according to the present invention;
FIG. 6 is a schematic front cross-sectional view of the connecting cover of the present invention;
fig. 7 is an enlarged schematic view of the present invention a.
In the figure: 1. a pile body; 2. a threaded rod; 3. a thread sleeve; 4. a first fixing rod; 5. a first ball; 6. a second fixing rod; 7. a second ball; 8. a first spring; 9. a connection cover; 10. a cross groove; 11. grouting grooves; 12. grouting holes; 13. an annular groove; 14. a moving groove; 15. a connecting rod; 16. a second spring; 17. a clamping block; 18. and a limit groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a foundation engineering combined pile comprises a pile body 1 and a thread sleeve 3, wherein a threaded rod 2 is connected inside the pile body 1 in a penetrating manner;
the inside of the threaded sleeve 3 is in threaded connection with the threaded rod 2, the outer side of the threaded sleeve 3 is fixed with the pile body 1, and a first fixing rod 4 is connected in the pile body 1 in a penetrating manner; the outer side of the first fixed rod 4 is movably connected with a first ball 5, and a moving groove 14 is formed in the pile body 1; the outer side of the first ball 5 is connected with a moving groove 14, and one side of the pile body 1 close to the first fixed rod 4 is connected with a second fixed rod 6 in a penetrating way; the outer side of the second fixed rod 6 is movably connected with a second ball 7, the outer side of the second ball 7 is connected with a moving groove 14, and the outer side of the second fixed rod 6 is sleeved with a first spring 8; one end of a first spring 8 is connected with a second ball 7, the other end of the first spring 8 is connected with the pile body 1, and the top of the threaded rod 2 is fixedly connected with a connecting cover 9; the top of the connecting cover 9 is provided with a cross groove 10, the inside of the connecting cover 9 is provided with a grouting groove 11, and the bottom of the grouting groove 11 is provided with a grouting hole 12; the grouting hole 12 is formed in the pile body 1, an annular groove 13 is formed in the pile body 1, and the annular groove 13 is connected with the grouting hole 12; one side of the annular groove 13 is connected with the moving groove 14, the bottom of the pile body 1 is fixedly connected with a connecting rod 15, and the inside of the connecting rod 15 is fixedly connected with a second spring 16; one end of the second spring 16 is fixedly connected with a clamping block 17, one side of the clamping block 17 is connected with a limiting groove 18, and the limiting groove 18 is formed in the pile body 1.
In specific implementation, the foundation is the foundation of building construction, when the foundation is constructed, the combined pile is driven into the foundation, the foundation is stabilized, when the combined pile is driven into the foundation, the pile body 1 is hoisted into a pre-drilled pile foundation hole by using a crane, after the pile body 1 enters the hole, a transmission rod with the top of a cross type is connected with a cross groove 10 at the top of a connecting cover 9, a threaded rod 2 is driven to rotate, the threaded rod 2 is in threaded transmission with a thread sleeve 3 when rotating, so that the threaded rod 2 moves, the bottom of the threaded rod 2 is arc-shaped, when the cambered surface at the bottom of the threaded rod 2 is in contact with the inclined surface at one side of a first fixed rod 4, the first fixed rod 4 moves, and as the outer side of the first fixed rod 4 is connected with the pile body 1 through a first ball 5, the resistance of the pile body 1 is reduced when moving, and the first fixed rod 4 continuously drills into soil along with the continuous movement of the threaded rod 2;
when the cambered surface at the bottom of the threaded rod 2 contacts with the circular cambered surface at one end of the second fixing rod 6, the second fixing rod 6 moves and extrudes the first spring 8 at one side to shrink the second fixing rod 6, the second fixing rod 6 also drills into soil at the bottom of the ground when moving, and similarly, the second ball 7 also reduces the resistance when the second fixing rod 6 moves, the first spring 8 can limit the second fixing rod 6 when the pile body 1 falls into a pile foundation hole, the second fixing rod 6 is prevented from extending out of the pile body 1 under the action of gravity to influence the movement of the pile body 1, and the connection strength of the combined pile at the bottom of the ground can be improved because the first fixing rod 4 and the second fixing rod 6 are in an inclined staggered shape;
when the arc at the bottom of the threaded rod 2 contacts with the inclined surface at one side of the clamping block 17, the clamping block 17 moves and extrudes the second spring 16 at one side to shrink the second spring, as the threaded rod 2 continuously rotates, when the connecting cover 9 at the top of the threaded rod 2 contacts with the pile body 1, the clamping block 17 contacts with the limit groove 18 inside the threaded rod 2, at the moment, the second spring 16 resets to push the clamping block 17 to enter the limit groove 18 to be clamped with the threaded rod 2, at the moment, the threaded rod 2 cannot rotate, in order to improve the connection strength of the combined pile, concrete is injected into the grouting groove 11 through the grouting groove 11 at the top of the connecting cover 9, the grouting groove 11 flows along the grouting hole 12, when the concrete contacts with the annular groove 13, flows in the annular groove 13 and enters the moving groove 14, the gap inside the combined pile is filled, and the connection strength of the combined pile is enhanced.
A pile foundation construction method comprises the following steps:
s1, prefabricating a combined pile, selecting a pile foundation construction site, building a drilling machine platform at the construction site, selecting a drilling bucket type structure according to stratum conditions, selecting wedge-shaped teeth, small cutting angles and types with slightly larger tooth widths for a soft soil layer, selecting larger cutting angles and narrower bending tooth sleeves for a hard soil layer, and preferably, setting larger tooth spaces of a clay layer to prevent sticking drilling;
s2, after drilling, adopting a slurry-changing method to clean holes according to different geological conditions, using a rotary bucket to draw out soil slag in the holes, simultaneously injecting clean slurry to perform slurry replacement, measuring the hole depth by using a measuring rope in time after cleaning the holes, detecting various indexes such as the hole diameter, the inclination of the holes and the like by using a bored pile tester, checking whether the holes collapse, and performing secondary hole cleaning by using the rotary bucket in time when the holes collapse or the sediments are too thick;
s3, installing the combined pile into the drilled pile foundation hole through a crane, enabling the first fixing rod 4 and the second fixing rod 6 to move into soil at the bottom of the ground through rotating the threaded rod 2, and enabling the first fixing rod 4 and the second fixing rod 6 to incline in a staggered mode to improve the connection strength of the combined pile;
s4, after the combined pile is installed, concrete is poured into the pile body 1 through the grouting holes 12 and the annular grooves 13, gaps in the pile body 1 are filled, and the connection strength of the combined pile is further improved;
and S5, after waiting for cooling the concrete in the combined pile, detecting the combined pile by utilizing a pre-buried sound tube and an ultrasonic detector, and detecting whether the strength of the combined pile is qualified.
In summary, when the pile foundation is constructed, the pile foundation hole matched with the composite pile is drilled in the construction area, the composite pile is sent into the hole by the crane, the threaded rod 2 is rotated by the driving rod to drive the first fixing rod 4 and the second fixing rod 6 to drill into the soil at the ground, the connection strength of the pile body 1 is improved, finally, the concrete is poured into the composite pile through the grouting hole 12 and the annular groove 13 to fill the gap inside the composite pile, and the connection strength of the composite pile is further enhanced.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a foundation engineering composite pile, includes pile body (1) and thread bush (3), its characterized in that: a threaded rod (2) is connected inside the pile body (1) in a penetrating way;
the novel pile is characterized in that the inside of the threaded sleeve (3) is in threaded connection with the threaded rod (2), the outer side of the threaded sleeve (3) is fixed with the pile body (1), and a first fixing rod (4) is connected inside the pile body (1) in a penetrating manner.
2. A foundation engineering composite pile according to claim 1, wherein: the outer side of the first fixing rod (4) is movably connected with a first ball (5), and a moving groove (14) is formed in the pile body (1).
3. A foundation engineering composite pile according to claim 2, wherein: the outer side of the first ball (5) is connected with a moving groove (14), and one side of the pile body (1) close to the first fixing rod (4) is connected with a second fixing rod (6) in a penetrating manner.
4. A foundation engineering composite pile according to claim 3, wherein: the second fixing rod (6) is movably connected with a second ball (7), the outer side of the second ball (7) is connected with the moving groove (14), and the outer side of the second fixing rod (6) is sleeved with a first spring (8).
5. A foundation engineering composite pile according to claim 4, wherein: one end of the first spring (8) is connected with the second ball (7), the other end of the first spring (8) is connected with the pile body (1), and the top of the threaded rod (2) is fixedly connected with a connecting cover (9).
6. A foundation engineering composite pile according to claim 5, wherein: the top of the connecting cover (9) is provided with a cross groove (10), the inside of the connecting cover (9) is provided with a grouting groove (11), and the bottom of the grouting groove (11) is provided with a grouting hole (12).
7. A foundation engineering composite pile according to claim 6, wherein: the grouting hole (12) is formed in the pile body (1), an annular groove (13) is formed in the pile body (1), and the annular groove (13) is connected with the grouting hole (12).
8. A foundation engineering composite pile according to claim 7, wherein: the pile body is characterized in that one side of the annular groove (13) is connected with the moving groove (14), the bottom of the pile body (1) is fixedly connected with a connecting rod (15), and a second spring (16) is fixedly connected inside the connecting rod (15).
9. A foundation engineering composite pile according to claim 8, wherein: one end of the second spring (16) is fixedly connected with a clamping block (17), one side of the clamping block (17) is connected with a limiting groove (18), and the limiting groove (18) is formed in the pile body (1).
10. The pile foundation construction method is characterized by comprising the following steps of:
s1, prefabricating a combined pile, selecting a pile foundation construction site, and drilling the construction site by using a drilling machine;
s2, after the drilling is finished, cleaning soil in the hole, and checking parameters such as the hole diameter, the hole depth, the hole inclination and the like;
s3, installing the combined pile into the drilled pile foundation hole, and reinforcing the combined pile;
s4, after the combined pile is installed, pouring concrete into the combined pile through a high-pressure pump;
s5, after the concrete in the combined pile is cooled, detecting the combined pile by using an ultrasonic detector, and detecting whether the strength of the combined pile is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203496.1A CN116104080A (en) | 2023-03-01 | 2023-03-01 | Combined pile for foundation engineering and pile foundation construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203496.1A CN116104080A (en) | 2023-03-01 | 2023-03-01 | Combined pile for foundation engineering and pile foundation construction method |
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| CN116104080A true CN116104080A (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310203496.1A Pending CN116104080A (en) | 2023-03-01 | 2023-03-01 | Combined pile for foundation engineering and pile foundation construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240068194A1 (en) * | 2022-08-23 | 2024-02-29 | Zaozhuang University | Full-section anti-slide water-cut wall for treating giant landslide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208633096U (en) * | 2018-06-07 | 2019-03-22 | 刘忠林 | A kind of civil engineering work built pile |
| CN113882420A (en) * | 2021-11-25 | 2022-01-04 | 甘肃建筑职业技术学院 | Foundation engineering composite pile and pile foundation construction method |
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2023
- 2023-03-01 CN CN202310203496.1A patent/CN116104080A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208633096U (en) * | 2018-06-07 | 2019-03-22 | 刘忠林 | A kind of civil engineering work built pile |
| CN113882420A (en) * | 2021-11-25 | 2022-01-04 | 甘肃建筑职业技术学院 | Foundation engineering composite pile and pile foundation construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240068194A1 (en) * | 2022-08-23 | 2024-02-29 | Zaozhuang University | Full-section anti-slide water-cut wall for treating giant landslide |
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