CN113664979B - Deviation rectifying method for pointed pile head of concrete tubular pile - Google Patents
Deviation rectifying method for pointed pile head of concrete tubular pile Download PDFInfo
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- CN113664979B CN113664979B CN202110769846.1A CN202110769846A CN113664979B CN 113664979 B CN113664979 B CN 113664979B CN 202110769846 A CN202110769846 A CN 202110769846A CN 113664979 B CN113664979 B CN 113664979B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/92—Methods or apparatus for treating or reshaping
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A deviation rectifying method for a pointed pile head of a concrete pipe pile comprises the following steps: manufacturing a production deviation rectifying fixer according to the model of the tubular pile matched with the pointed pile head to be rectified; assembling a pointed pile head and a deviation-correcting fixer of the concrete pipe pile; selecting a return board with a corresponding model; fixing the tensioning plate on the returning plate, and performing tensioning and steam curing processes; and after the tensioning and steam curing process is finished, demolding, cutting off the exposed reinforcing steel bars, recovering a returning plate, and repairing holes at the cut positions of the reinforcing steel bars by cement mortar after the pointed piles are cooled to obtain the corrected pointed pile heads. The deviation correcting fixer is arranged between the tensioning plate and the pointed pile head in the tensioning process, the pile tip of the pointed pile head is clamped in the circular taper hole in the middle of the fixer, after the tensioning and steam curing processes, the pile tip of the pointed pile head is clamped in the circular taper hole in the middle of the fixer, the pointed pile head is gradually centered and tightened, and the pile tip of the pointed pile head is corrected to be centered.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of production of concrete pipe piles, and particularly relates to a deviation rectifying method for a pointed pile head of a concrete pipe pile.
[ background of the invention ]
In the production process of the concrete pipe pile, a method of placing a concrete pointed pile head into a pipe die in advance and then pouring concrete into the pipe die for forming is mostly adopted, however, in the long-term working process, the pile tip angle of the concrete pointed pile head is found to be easy to deflect and deform, as shown in fig. 1, the quantity is large, the pile tip angle is scrapped, great economic loss is caused, the loss and influence are caused when the pile tip angle is sold to customers, and the road is only opened if technical improvement is achieved.
[ summary of the invention ]
The invention aims to provide a deviation correcting method for a pointed pile head of a concrete tubular pile.
The invention is realized by the following steps:
a deviation rectifying method for a pointed pile head of a concrete pipe pile comprises the following steps:
the method comprises the following steps: manufacturing a production deviation rectifying fixer according to the model of the tubular pile matched with the pointed pile head to be rectified:
manufacturing a thick steel plate into a circular shape, forming a conical hole in the middle of the circular thick steel plate, and uniformly forming a plurality of reinforcement penetrating holes at intervals on the periphery of the circular thick steel plate to obtain a deviation correcting fixer;
step two: assembling a sharp pile head and a deviation correcting fixer of the concrete pipe pile:
selecting a corresponding pointed pile head and a deviation-correcting fixer according to the type of the tubular pile for assembly, inserting the pile tip part of the pointed pile head into a conical hole of the fixer, and enabling a main reinforcement of the reinforcement cage to penetrate through a hole around the pointed pile head and then a reinforcement penetrating hole around the deviation-correcting fixer;
step three: selecting a return plate with a corresponding model, wherein the return plate is provided with a threaded hole matched with the main rib thread of the reinforcement cage, assembling the return plate close to the deviation-rectifying fixer, and locking the return plate by using a fixing screw; each returning plate is assembled once, namely is recycled and processed into an end plate, so that the threaded holes of the returning plates are prevented from being damaged due to repeated use;
step four: hanging a pipe die:
hoisting the returning plate, the fixer, the pointed pile head and the reinforcement cage which are assembled in the step three into the pipe mould; when the pile is installed into a pipe die, a cotton rope is placed below the pointed pile head to tighten the periphery of the pointed pile head, so that the slurry leakage of a gap is prevented, and the pointed pile head is fastened by a fixing screw;
step five: fixing the tensioning plate on the returning plate, and performing tensioning and steam curing processes;
step six: and after the tensioning and steam curing process is finished, demolding, cutting off the exposed reinforcing steel bars, recovering a returning plate, and repairing holes at the cut positions of the reinforcing steel bars by cement mortar after the pointed piles are cooled to obtain the corrected pointed pile heads.
Further, in the first step, for the deviation rectifying fixer of the 400 pile type concrete pipe pile tip pile head, a steel plate with thickness of 30mm is made into a circle, a conical hole with thickness of 50mm × 30mm is formed in the middle, and 7 reinforcement penetrating holes with thickness of 25mm × 40mm are formed on a circumference with the center as a circle center and the diameter of 308 mm.
Further, in the first step, the deviation-correcting fixer for the pile tip of the 500-pile concrete pipe pile is made into a circular shape by using a steel plate with a thickness of 30mm, a conical hole with a diameter of 50mm × 30mm is formed in the middle of the circular hole, and 12 reinforcement penetrating holes with a diameter of 406mm are formed in the circumference with the center as the center of a circle.
Further, in the first step, for the deviation rectifying fixer of the pile tip of the 600 pile type concrete pipe pile, a steel plate with thickness of 30mm is made into a circle, a conical hole with thickness of 50mm × 30mm is formed in the middle, and 16 reinforcement penetrating holes with thickness of 25mm × 40mm are formed on the circumference with the center as the circle center and the diameter of 506 mm.
Further, in the second step, the pile tip part of the pointed pile head is inserted into the conical hole of the fixer for 25mm.
The invention has the advantages that: the correction fixer is arranged between the tensioning plate and the pointed pile head in the tensioning process, the pile point of the pointed pile head is clamped in the circular taper hole in the middle of the fixer, the main rib penetrates through the hole around the pointed pile head and then penetrates through the rib penetrating hole around the fixer to be fixed to the tensioning plate, after the tensioning and steam curing processes, the pile point of the pointed pile head is clamped in the circular taper hole in the middle of the fixer, the pile point is gradually centered and tightened, and the pile point of the pointed pile head is corrected to be centered.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic view of a prior art toe deflection deformed pointed pile head.
FIG. 2 is a schematic structural diagram of the deviation rectifying fixture of the present invention.
Fig. 3 is a schematic view of the assembly structure of the pointed pile head and the reinforcement cage in the invention.
FIG. 4 is a schematic view of the assembly structure of the deviation rectifying fixer, the pointed pile head and the reinforcement cage of the present invention.
FIG. 5 is a schematic view of the construction of a return plate in the present invention.
FIG. 6 is a schematic view of the assembly structure of the return plate, the deviation-correcting fixer, the pointed pile head and the reinforcement cage of the present invention.
FIG. 7 is a schematic view of a tension plate structure in the present invention.
FIG. 8 is a schematic view of the assembly structure of the tension plate, the return plate, the deviation-correcting fixer, the pointed pile head and the reinforcement cage in the pipe mold.
FIG. 9 is a schematic view of a structure of a pile tip after de-molding and deviation correction.
[ detailed description ] embodiments
The deviation rectifying method for the pointed pile head of the concrete pipe pile, as shown in fig. 2 to 9, comprises the following steps:
the method comprises the following steps: manufacturing a production deviation rectifying fixer 2 according to the model of the pipe pile matched with the pointed pile head to be rectified (as shown in figure 2):
the deviation-rectifying fixer 2 of the pile tip of the 400-pile concrete pipe pile is made into a round shape by a steel plate with the thickness of 30mm, a conical hole 21 with the diameter of 50mm multiplied by 30mm is formed in the middle, and 7 reinforcement penetrating holes 22 with the diameter of 25mm multiplied by 40mm are formed on the circumference with the center as the circle center and the diameter of 308 mm;
a deviation-rectifying fixer 2 of a 500 pile type concrete pipe pile tip pile head is made into a round shape by a thick steel plate with the thickness of 30mm, a conical hole 21 with the thickness of 50mm multiplied by 30mm is arranged in the middle, and 12 reinforcement penetrating holes 22 with the thickness of 25mm multiplied by 40mm are arranged on the circumference with the center as the circle center and the diameter of 406 mm;
a deviation rectifying fixer 2 of a 600 pile type concrete pipe pile tip pile head is made into a round shape by a thick steel plate with the thickness of 30mm, a conical hole 21 with the thickness of 50mm multiplied by 30mm is arranged in the middle, and 16 reinforcement penetrating holes 22 with the thickness of 25mm multiplied by 40mm are arranged on the circumference with the center as the circle center and the diameter of 506 mm;
step two: assembling a pointed pile head 1 and a deviation rectifying fixer 2 of the concrete pipe pile:
selecting a corresponding pointed pile head 1 and a deviation-correcting fixer 2 according to the type of the tubular pile for assembly, inserting the pile tip 11 part of the pointed pile head 1 into a conical hole 21 of the deviation-correcting fixer 2 for about 25mm, and enabling a main rib 31 of a reinforcement cage 3 to penetrate through a hole around the pointed pile head 1 and then penetrate through a rib penetrating hole 22 around the deviation-correcting fixer 2, as shown in fig. 3;
step three: selecting a return plate 4 with a corresponding model, arranging a threaded hole 41 matched with the main rib 31 in a threaded manner on the return plate 4, assembling the return plate 4 close to the deviation-correcting fixer 2 as shown in figure 4, and locking the return plate with a fixing screw as shown in figure 5;
each return plate 4 is assembled once, namely is recycled and processed into an end plate, so that the screw holes of the return plates 4 are prevented from being damaged due to repeated use;
step four: hanging a pipe die:
hanging the assembled returning plate 4, the deviation-rectifying fixer 2, the pointed pile head 1 and the reinforcement cage 3 into a pipe die 5 as shown in fig. 6; when the pile is arranged into the pipe die 5, a cotton rope is placed below the pointed pile head 1 to tighten the periphery of the pointed pile head 1, so that the gap is prevented from leaking slurry, and the pile is fastened by using a fixing screw;
step five: fixing a tension plate (shown in figure 7) on the return plate 4, and performing tension and steam curing processes as shown in figure 8;
step six: and after the tensioning and steam curing process is finished, demolding, cutting off the exposed steel bars, recovering the returning plate 4, and repairing holes at the cut positions of the steel bars by cement mortar after the pointed piles are cooled to obtain the corrected pointed pile heads, as shown in fig. 9.
The deviation correcting fixer is arranged between the tensioning plate and the pointed pile head in the tensioning process, the pile tip of the pointed pile head is clamped in the circular taper hole in the middle of the fixer, the main rib penetrates through the hole around the pointed pile head and then penetrates through the rib penetrating hole around the fixer to be fixed to the tensioning plate, after the tensioning and steam curing processes, the pile tip of the pointed pile head is clamped in the circular taper hole in the middle of the fixer and is gradually centered and tightened, and the pile tip of the pointed pile head is corrected to be centered.
The above description is only an example of the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A deviation rectifying method for a pointed pile head of a concrete pipe pile comprises the following steps:
the method comprises the following steps: manufacturing a production deviation rectifying fixer according to the model of the tubular pile matched with the pointed pile head to be rectified:
manufacturing a thick steel plate into a circle, forming a conical hole in the middle of the circular thick steel plate, and uniformly forming a plurality of reinforcement penetrating holes at intervals on the periphery of the circular thick steel plate to obtain a deviation correcting fixer;
step two: assembling a sharp pile head and a deviation correcting fixer of the concrete pipe pile:
selecting a corresponding pointed pile head and a correction fixer according to the model of the tubular pile for assembly, inserting the pile tip part of the pointed pile head into a conical hole of the fixer, and enabling a main reinforcement of the reinforcement cage to pass through a hole around the pointed pile head and then pass through a reinforcement penetrating hole around the correction fixer;
step three: selecting a return plate with a corresponding model, wherein the return plate is provided with a threaded hole matched with the main rib thread of the reinforcement cage, assembling the return plate against a deviation-rectifying fixer, and locking the return plate by using a fixing screw; each returning plate is assembled once, namely is recycled and processed into an end plate, so that the threaded holes of the returning plates are prevented from being damaged due to repeated use;
step four: hanging a pipe die:
hoisting the returning plate, the fixer, the pointed pile head and the reinforcement cage which are assembled in the step three into the pipe mould; when the pile is installed into a pipe die, a cotton rope is placed below the pointed pile head to tighten the periphery of the pointed pile head, so that the slurry leakage of a gap is prevented, and the pointed pile head is fastened by a fixing screw;
step five: fixing the tensioning plate on the returning plate, and performing tensioning and steam curing processes;
step six: and after the tensioning and steam curing process is finished, demolding, cutting off the exposed reinforcing steel bars, recovering a returning plate, and repairing holes at the cut positions of the reinforcing steel bars by cement mortar after the pointed piles are cooled to obtain the corrected pointed pile heads.
2. The deviation rectifying method for the pointed pile head of the concrete pipe pile as claimed in claim 1, characterized in that: in the first step, for the deviation-rectifying fixer of the 400-pile concrete pipe pile toe pile head, a steel plate with the thickness of 30mm is made into a circle, a conical hole with the thickness of 50mm multiplied by 30mm is formed in the middle of the circular hole, and 7 reinforcement penetrating holes with the thickness of 25mm multiplied by 40mm are formed in the circumference with the center as the circle center and the diameter of 308 mm.
3. The method for correcting the deviation of the pointed pile head of the concrete pipe pile as claimed in claim 1, wherein: in the first step, the deviation-rectifying fixer for the 500-pile type concrete tubular pile toe pile head is made into a round shape by adopting a steel plate with the thickness of 30mm, a conical hole with the diameter of 50mm multiplied by 30mm is formed in the middle, and 12 rib penetrating holes with the diameter of 25mm multiplied by 40mm are formed in the circumference with the center as the circle center and the diameter of 406 mm.
4. The method for correcting the deviation of the pointed pile head of the concrete pipe pile as claimed in claim 1, wherein: in the first step, the deviation-rectifying fixer for the pile tip of the 600-pile type concrete pipe pile is made into a round shape by adopting a steel plate with the thickness of 30mm, a conical hole with the diameter of 50mm multiplied by 30mm is formed in the middle, and 16 reinforcement penetrating holes with the diameter of 25mm multiplied by 40mm are formed in the circumference with the center as the circle center and the diameter of 506 mm.
5. The deviation rectifying method for the pointed pile head of the concrete pipe pile as claimed in claim 1, characterized in that: in the second step, the pile tip part of the pointed pile head is inserted into the conical hole of the fixer for 25mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110769846.1A CN113664979B (en) | 2021-07-07 | 2021-07-07 | Deviation rectifying method for pointed pile head of concrete tubular pile |
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| CN202110769846.1A CN113664979B (en) | 2021-07-07 | 2021-07-07 | Deviation rectifying method for pointed pile head of concrete tubular pile |
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| CN113664979A CN113664979A (en) | 2021-11-19 |
| CN113664979B true CN113664979B (en) | 2022-10-14 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093880A (en) * | 1995-06-26 | 1997-01-07 | Kubota Corp | Site correction method for thin steel pipe pile correction jig used therefor |
| CN103243745B (en) * | 2013-04-28 | 2016-08-10 | 江苏兴厦建筑安装有限公司 | A kind of method of pile tube deviation rectification |
| CN103243747B (en) * | 2013-05-31 | 2014-11-05 | 中建七局(上海)有限公司 | Deviation rectifying method of prestressed concrete pipe pile foundation |
| CN103737715B (en) * | 2014-01-02 | 2016-01-20 | 福建省大地管桩有限公司 | A kind of Sharp-end type concrete pipe pile and production method thereof |
| CN106120793A (en) * | 2016-08-23 | 2016-11-16 | 中建四局第建筑工程有限公司 | A kind of tilt the method for correcting error of pile for prestressed pipe and structure |
| CN208668488U (en) * | 2018-07-27 | 2019-03-29 | 南通四建集团有限公司 | A kind of pile for prestressed pipe deviation correcting device |
| CN109368495B (en) * | 2018-12-05 | 2023-06-30 | 中铁隧道集团第五建筑有限公司 | Deviation correcting device is put to interlock stake flat cage hanging |
| CN111894047A (en) * | 2020-06-28 | 2020-11-06 | 南京南大工程检测有限公司 | Deviation rectifying method for treating inclined tubular pile |
| CN112112159A (en) * | 2020-10-15 | 2020-12-22 | 李碧卿 | Electromagnetic gun pile head hole guiding device of large-diameter overlong static pressure anchor pile |
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