CN111236238A - Cast-in-place pile top concrete elevation control device and installation and recovery method thereof - Google Patents
Cast-in-place pile top concrete elevation control device and installation and recovery method thereof Download PDFInfo
- Publication number
- CN111236238A CN111236238A CN202010059862.7A CN202010059862A CN111236238A CN 111236238 A CN111236238 A CN 111236238A CN 202010059862 A CN202010059862 A CN 202010059862A CN 111236238 A CN111236238 A CN 111236238A
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- concrete
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- reinforcement cage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a cast-in-place pile top concrete elevation control device and an installation and recovery method thereof, wherein the cast-in-place pile top concrete elevation control device comprises a concrete floating plate, an indicating ball and a telescopic rod; concrete kickboard in the middle of offer and be used for supplying the concrete to pour into the pipe hole passageway of pipe that fills that passes through, four hourglass thick liquid holes that are used for supplying concrete mud to spill are offered to the hoop all around of kickboard, be provided with two pull rings in two telescopic link bottom positions on the kickboard, be provided with two telescopic links that can change the height at the direction of height is flexible on the concrete kickboard, every telescopic link bottom all sets up the drag hook, be used for stimulateeing the concrete kickboard, the telescopic link all passes suspension ring back top and is equipped with the instruction ball, suspension ring fixes on clamping device, clamping device can be on the reinforcement cage lifting bar from top to bottom from the top, be provided with reinforcement cage rings on the reinforcement cage lifting bar, reinforcement cage rings hangs on the reinforcement cage suspension crossbeam in drilling bored concrete pile drill way, reinforcement cage suspension crossbeam both sides are undertaken by the wall of a.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a cast-in-place pile top concrete elevation control device and an installation and recovery method thereof.
Background
The pile foundation is the most widely applied foundation form in the current construction project. In the bored concrete pile work progress, often there is bored concrete pile bored concrete design elevation to be less than drilling mud liquid level, concrete liquid level risees along with filling gradually in the concrete pouring process, the concrete is filled in underground part, artifical difficult observation, mainly rely on the square volume of concrete and survey the elevation of the concrete of pouring at present, the operation is improper just easily causes the concrete to surpass to irritate, lead to the concrete face to be higher than the design elevation, few then several sides, many then tens sides, cause the wasting of resources.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the concrete is poured into an underground part and is not easy to observe manually, the elevation of the poured concrete is judged mainly by the square amount of the concrete and a measuring rope, the concrete is easy to over-pour due to improper operation, the concrete surface is higher than the designed elevation, few squares are needed, and dozens of squares are needed, so that the resource waste is caused, and the cast-in-place pile top concrete elevation control device and the installation and recovery method thereof are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pile top concrete elevation control device for a bored pile comprises a concrete floating plate, an indicating ball and a telescopic rod; concrete kickboard in the middle of offer and be used for supplying the concrete to pour into the pipe hole passageway of pipe that fills that passes through, four hourglass thick liquid holes that are used for supplying concrete mud to spill are offered to the hoop all around of kickboard, be provided with two pull rings in two telescopic link bottom positions on the kickboard, be provided with two telescopic links that can change the height at the direction of height is flexible on the concrete kickboard, every telescopic link bottom all sets up the drag hook, be used for stimulateeing the concrete kickboard, the telescopic link all passes suspension ring back top and is equipped with the instruction ball, suspension ring fixes on clamping device, clamping device can be on the reinforcement cage lifting bar from top to bottom from the top, be provided with reinforcement cage rings on the reinforcement cage lifting bar, reinforcement cage rings hangs on the reinforcement cage suspension crossbeam in drilling bored concrete pile drill way, reinforcement cage suspension crossbeam both sides are undertaken by the wall of a.
Furthermore, the length of the telescopic rod is determined according to the elevation control surface of the pile casing and the designed height difference of the cast-in-place bored pile concrete.
Furthermore, the telescopic link constitute by multisection telescopic branch, fix through screw and nut between per two sections telescopic branch, the telescopic link is the hollow rod that the stainless steel made, and the hole that supplies the screw to pass is all seted up at telescopic branch's both ends.
Furthermore, the length of the short telescopic support rod is 0.5-1 m, and the length of the long telescopic rod is divided into two types of 5m and 3m, so that the length can be changed.
Furthermore, the bottom end of the telescopic rod is provided with a lifting hook perpendicular to the telescopic rod.
Further, the size of the concrete pouring conduit hole channel is 30-40 cm.
Furthermore, four slurry leaking holes are circumferentially and uniformly distributed in the concrete floating plate, the diameter of each slurry leaking hole is 10cm, and the floating plate is made of PVC materials.
Furthermore, the concrete floating plate is provided with two pull rings at the bottom of the telescopic rod.
Further, the indicating ball is made of hydrophobic materials with bright colors.
A recovery method of a cast-in-place pile top concrete elevation control device comprises the following steps:
A. according to the control elevation of the pile casing surface of the cast-in-place pile in the concrete casting process and the elevation difference of the designed pile top concrete casting surface, the length of the telescopic rod is adjusted, and the length of the telescopic rod is adjusted to be slightly smaller than the elevation difference.
B. The device formed by the adjusted indicating ball, the telescopic rod and the concrete floating plate is suspended on a steel reinforcement cage hanging rib by using the clamping device and the hanging ring, and the positions of the clamping device and the hanging ring on the steel reinforcement cage hanging rib are adjusted, so that the hydrophobic indicating ball is just submerged below the liquid level of drilling mud.
C. In the process of pouring concrete into the bored pile, along with the rise of the concrete liquid level, when the pile top elevation is reached, the concrete also is the position of the bottom surface of the concrete floating plate which is set in the front, the concrete pushes the floating plate to move upwards, so that an indicating ball connected with the floating plate floats above the slurry liquid level to reach the position of the elevation which is calculated in advance, and then the fact that the concrete pouring surface reaches the designed elevation is concluded.
D. After the concrete reaches the designed elevation, the telescopic rod is pulled up to drive the concrete floating plate, and the concrete floating plate can be recovered.
E. The concrete indication ball and the concrete floating plate are utilized to realize that the concrete filling surface reaches the designed elevation judgment, and concrete over-filling is avoided, so that the purpose of saving cost is achieved.
Compared with the prior art, the invention provides a cast-in-place pile top concrete elevation control device and an installation and recovery method thereof, and the cast-in-place pile top concrete elevation control device has the following beneficial effects:
the device is simple in structure and convenient for field construction, pushes the concrete floating plate to drive the telescopic rod and the indicating ball to move upwards when the concrete floating plate is jacked to the concrete floating plate through the concrete pouring surface, and can conclude that the concrete pouring surface reaches the designed elevation when the indicating ball reaches the calculated elevation position.
Drawings
FIG. 1 is a structural diagram of a cast-in-place pile top concrete elevation control device of the invention;
FIG. 2 is a front structural view of the cast-in-place pile top concrete elevation control device of the present invention;
FIG. 3 is a side structure view of the cast-in-place pile top concrete elevation control device of the present invention;
in the figure: 1. hanging a section steel beam by a reinforcement cage; 2. hanging a rib hanging ring; 3. a suspension ring; 4. hanging the reinforcement of the reinforcement cage; 5. an indicator ball; 6. a clamping device; 7. a telescopic rod; 8. pouring concrete into the conduit hole channel; 9. a concrete floating plate; 10. a pull ring; 11. and (4) a lifting hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 3, a cast-in-place pile top concrete elevation control device comprises an indicating ball 5, an expansion link 7 and a concrete floating plate 9; concrete floating plate 7 in the middle of offer and be used for supplying the concrete to pour into pipe concrete hole passageway 8 that the pipe passes through, four hourglass thick liquid holes that are used for supplying concrete mud to spill are offered all around, it can be flexible at the direction of height to change the telescopic link 7 of height to be provided with 2 on the concrete floating plate 9, every telescopic link 7 all passes suspension ring 3 back tops and is equipped with instruction ball 5, suspension ring 3 fixes on clamping device 6, clamping device 6 mobilizable installation is on steel reinforcement cage hanger 4, be provided with steel reinforcement cage rings 2 on the steel reinforcement cage hanger 4, steel reinforcement cage rings 2 hang on steel reinforcement cage suspension shaped steel crossbeam 1 in drilling bored concrete pile drill way, steel reinforcement cage suspension shaped steel crossbeam 1 both sides are undertaken by the wall of a well.
The length of the telescopic rod 7 is determined according to the elevation control surface of the cast-in-situ bored pile casing and the designed height difference of the cast-in-situ bored pile concrete. The telescopic rod 7 consists of a plurality of sections of telescopic supporting rods, and every two sections of telescopic supporting rods are fixed through screws and nuts. The length of the short telescopic supporting rod is 0.5-1 m, and the length of the long telescopic rod is divided into two models of 5m and 3 m. The telescopic link be the hollow pole of stainless steel, the hole that supplies the screw to pass is all seted up at the both ends of every telescopic strut, can adjust the length of telescopic link like this according to actual need.
Furthermore, 4 slurry leaking holes are uniformly distributed on the concrete floating plate 9, the slurry leaking holes are circular, and the diameter of the circular slurry leaking holes is 10 cm. The size of the concrete pouring guide pipe hole channel 8 on the floating plate is 30-40 cm.
Further, the indicating ball 5 is made of a hydrophobic material with vivid color.
Furthermore, the concrete floating plate is provided with a pull ring, the bottom of the telescopic rod is provided with a lifting hook, and after concrete pouring is finished, the concrete floating plate can be recovered by pulling up the telescopic rod.
The concrete operation steps
A. According to the control elevation of the pile casing surface of the cast-in-place pile in the concrete casting process and the elevation difference of the designed pile top concrete casting surface, the length of the telescopic rod is adjusted, and the length of the telescopic rod is adjusted to be slightly smaller than the elevation difference.
B. The device formed by the adjusted indicating ball, the telescopic rod and the concrete floating plate is suspended on a steel reinforcement cage hanging rib by using the clamping device and the hanging ring, and the positions of the clamping device and the hanging ring on the steel reinforcement cage hanging rib are adjusted, so that the hydrophobic indicating ball is just submerged below the liquid level of drilling mud.
C. In the process of pouring concrete into the bored pile, along with the rise of the concrete liquid level, when the pile top elevation is reached, the concrete also is the position of the bottom surface of the concrete floating plate which is set in the front, the concrete pushes the floating plate to move upwards, so that an indicating ball connected with the floating plate floats above the slurry liquid level to reach the position of the elevation which is calculated in advance, and then the fact that the concrete pouring surface reaches the designed elevation is concluded.
D. After the concrete reaches the designed elevation, the telescopic rod is pulled up to drive the concrete floating plate, and the concrete floating plate can be recovered.
E. The concrete indication ball and the concrete floating plate are utilized to realize that the concrete filling surface reaches the designed elevation judgment, and concrete over-filling is avoided, so that the purpose of saving cost is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A cast-in-place pile top concrete elevation control device is characterized by comprising an indicating ball (5), a telescopic rod (7) and a concrete floating plate (9); the concrete floating plate (9) is provided with a concrete pouring guide pipe hole channel (8) in the middle for a concrete pouring guide pipe to pass through, four slurry leakage holes for concrete slurry to leak are annularly formed, the concrete floating plate (9) is provided with two telescopic rods (7) capable of stretching in the height direction to change the height, the telescopic rod position on the concrete floating plate (9) is provided with two pull rings (10) for lifting the floating plate, each telescopic rod (6) penetrates through the rear top end of the suspension ring (3) and is provided with an indicating ball (5), the lower end of each telescopic rod (6) is vertically provided with a lifting hook (11), the suspension ring (3) is fixed on the clamping device (6), the clamping device (6) is movably arranged on a steel reinforcement cage lifting rib (4), a steel reinforcement cage lifting ring (2) is arranged on the steel reinforcement cage lifting rib (4), the steel reinforcement cage lifting ring (2) is hung on a steel reinforcement cage hanging section steel beam (1) at the orifice of a pouring pile, two sides of the steel reinforcement cage suspension beam (2) are born by the well wall.
2. The cast-in-place pile top concrete elevation control device according to claim 1, wherein the length of the telescopic rod (7) is determined according to the control elevation of the bored pile casing surface and the designed elevation difference of the bored pile concrete.
3. The cast-in-place pile top concrete elevation control device according to claim 1, wherein the telescopic rod (7) is composed of a plurality of telescopic supporting rods, and every two telescopic supporting rods are fixed through a screw and a nut.
4. The cast-in-place pile top concrete elevation control device according to claim 3, wherein the length of the short telescopic rod is 0.5 m-1 m, and the total length of the long telescopic rod is 3m and 5m, so that the length can be freely adjusted. The telescopic link lower extreme sets up perpendicular lifting hook (11), the telescopic link be the hollow rod that the stainless steel made, the hole that supplies the screw to pass is all seted up at telescopic strut's both ends.
5. The cast-in-place pile top concrete elevation control device according to claim 1, wherein the size of the concrete cast-in-place conduit hole channel (8) is 30-40 cm.
6. The cast-in-place pile top concrete elevation control device according to claim 1, characterized in that four circular slurry leaking holes with the diameter of 10cm are evenly distributed on the concrete floating plate (9) in the circumferential direction.
7. The cast-in-place pile top concrete elevation control device according to claim 1, wherein two pull rings (10) are arranged on the concrete floating plate (9) at telescopic rod positions.
8. The cast-in-place pile top concrete elevation control device according to claim 1, wherein the indicating ball (5) is made of a hydrophobic material with a vivid color.
9. The method for recovering the concrete elevation control device at the top of the cast-in-place pile according to any one of claims 1 to 8, comprising the following steps:
A. according to the control elevation of the pile casing surface of the cast-in-place pile in the concrete casting process and the elevation difference of the designed pile top concrete casting surface, the length of the telescopic rod (7) is adjusted until the length of the telescopic rod (7) is slightly smaller than the elevation difference;
B. the device composed of the adjusted indicating ball (5), the telescopic rod (7) and the concrete floating plate (9) is hung on the steel reinforcement cage hanging rib (4) by using the clamping device (6) and the hanging ring (3), and the positions of the clamping device (6) and the hanging ring (3) on the steel reinforcement cage hanging rib are adjusted, so that the hydrophobic indicating ball (5) is just submerged below the liquid level of drilling mud;
C. in the process of pouring concrete into the bored pile, along with the rise of the concrete liquid level, when the pile top elevation is reached and the pile top elevation is also the position of the bottom surface of the concrete floating plate (9) which is set in the front, the concrete pushes the floating plate to move upwards, so that an indicating ball (5) connected with the floating plate floats out of the slurry liquid level to reach the position of the elevation which is calculated in advance, and then the fact that the concrete pouring surface reaches the designed elevation is inferred;
D. after the concrete reaches the designed elevation, the telescopic rod (7) is pulled up to drive the concrete floating plate (9) to recover the concrete;
E. the concrete indication ball (5) and the concrete floating plate (9) are utilized to realize that the concrete filling surface reaches the designed elevation judgment, and concrete over-filling is avoided, so that the purpose of saving cost is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059862.7A CN111236238A (en) | 2020-01-19 | 2020-01-19 | Cast-in-place pile top concrete elevation control device and installation and recovery method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059862.7A CN111236238A (en) | 2020-01-19 | 2020-01-19 | Cast-in-place pile top concrete elevation control device and installation and recovery method thereof |
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| CN111236238A true CN111236238A (en) | 2020-06-05 |
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| CN202010059862.7A Pending CN111236238A (en) | 2020-01-19 | 2020-01-19 | Cast-in-place pile top concrete elevation control device and installation and recovery method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144586A (en) * | 2020-09-22 | 2020-12-29 | 中国地质大学（武汉） | Elevation detection device and cast-in-place pile concrete elevation detection equipment |
| CN112459074A (en) * | 2020-12-02 | 2021-03-09 | 中铁九局集团第二工程有限公司 | Lower setting device for conveniently and fixedly arranging reinforcement cage and use method thereof |
| CN112814392A (en) * | 2021-01-07 | 2021-05-18 | 中国地质大学（北京） | Recyclable bored concrete pile steel reinforcement cage elevation positioning device |
| CN113202151A (en) * | 2021-05-07 | 2021-08-03 | 湖南六建久华建设有限公司 | High-precision measuring equipment for pile top standard of ultra-deep space pile drilling cast-in-place pile |
| CN114457786A (en) * | 2022-03-14 | 2022-05-10 | 中基发展建设工程有限责任公司 | Pile head pouring elevation control equipment for ultra-deep hollow concrete pouring pile |
| CN115404925A (en) * | 2022-10-09 | 2022-11-29 | 中铁一局集团有限公司 | Device for monitoring height of cast-in-place pile cast-in-place concrete and monitoring method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109440841A (en) * | 2018-12-19 | 2019-03-08 | 中铁上海工程局集团有限公司 | A kind of cast-in-situ bored pile stake top concrete elevation control device |
| CN209384295U (en) * | 2018-12-19 | 2019-09-13 | 中铁上海工程局集团有限公司 | A kind of cast-in-situ bored pile stake top concrete elevation control device |
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2020
- 2020-01-19 CN CN202010059862.7A patent/CN111236238A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109440841A (en) * | 2018-12-19 | 2019-03-08 | 中铁上海工程局集团有限公司 | A kind of cast-in-situ bored pile stake top concrete elevation control device |
| CN209384295U (en) * | 2018-12-19 | 2019-09-13 | 中铁上海工程局集团有限公司 | A kind of cast-in-situ bored pile stake top concrete elevation control device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144586A (en) * | 2020-09-22 | 2020-12-29 | 中国地质大学（武汉） | Elevation detection device and cast-in-place pile concrete elevation detection equipment |
| CN112459074A (en) * | 2020-12-02 | 2021-03-09 | 中铁九局集团第二工程有限公司 | Lower setting device for conveniently and fixedly arranging reinforcement cage and use method thereof |
| CN112814392A (en) * | 2021-01-07 | 2021-05-18 | 中国地质大学（北京） | Recyclable bored concrete pile steel reinforcement cage elevation positioning device |
| CN113202151A (en) * | 2021-05-07 | 2021-08-03 | 湖南六建久华建设有限公司 | High-precision measuring equipment for pile top standard of ultra-deep space pile drilling cast-in-place pile |
| CN113202151B (en) * | 2021-05-07 | 2024-02-27 | 湖南六建久华建设有限公司 | Accurate measuring equipment of super deep space pile drilling bored concrete pile bolck elevation |
| CN114457786A (en) * | 2022-03-14 | 2022-05-10 | 中基发展建设工程有限责任公司 | Pile head pouring elevation control equipment for ultra-deep hollow concrete pouring pile |
| CN114457786B (en) * | 2022-03-14 | 2024-01-09 | 中基发展建设工程有限责任公司 | Control equipment for pile head filling elevation of ultra-deep hollow concrete filling pile |
| CN115404925A (en) * | 2022-10-09 | 2022-11-29 | 中铁一局集团有限公司 | Device for monitoring height of cast-in-place pile cast-in-place concrete and monitoring method thereof |
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Application publication date: 20200605 |