CN117605023A - Bored pile construction device and construction method thereof - Google Patents
Bored pile construction device and construction method thereof Download PDFInfo
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- CN117605023A CN117605023A CN202410091633.1A CN202410091633A CN117605023A CN 117605023 A CN117605023 A CN 117605023A CN 202410091633 A CN202410091633 A CN 202410091633A CN 117605023 A CN117605023 A CN 117605023A
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- 238000010276 construction Methods 0.000 title claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 42
- 238000007599 discharging Methods 0.000 claims description 32
- 239000002689 soil Substances 0.000 claims description 19
- 230000035882 stress Effects 0.000 claims description 19
- 238000005553 drilling Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000005291 magnetic effect Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000006355 external stress Effects 0.000 claims description 3
- 238000005429 filling process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 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
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- 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
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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 bored pile construction device and a construction method thereof, and particularly relates to the technical field of building construction. When the concrete pile is constructed, corresponding materials are put into the pressing interval to form extrusion stress on the inner pile casing and the outer pile casing, after the concrete is solidified and formed, the inner pile casing is reset and deformed after the loose layer is discharged, so that the inner pile casing is easier to pull out, the damage to the concrete pile body and the inner pile casing is smaller during pulling out, the effective construction quality can be ensured, and the service life of the inner pile casing is prolonged.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a bored pile construction device and a construction method thereof.
Background
The cast-in-place pile is a pile which is made by forming pile holes in foundation soil by means of mechanical drilling, steel pipe soil squeezing or manual excavation and the like on an engineering site, placing a reinforcement cage therein and pouring concrete, and can be divided into a sinking pipe cast-in-place pile, a drilling cast-in-place pile, a hole digging cast-in-place pile and the like according to different hole forming methods.
The slurry retaining wall construction method with the widest application mainly comprises the following steps: leveling a field, preparing slurry, burying a pile casing, paving a working platform, installing a drilling machine, positioning, drilling holes, cleaning the holes, checking the quality of the holes, lowering a reinforcement cage, pouring underwater concrete, pulling out the pile casing, checking the quality and the like.
In a bored pile, a steel pile casing is buried in the pile casing, the position of a pile hole can be fixed, a drill bit is guided when the pile is drilled, meanwhile, the hole wall collapse can be prevented, surface water is isolated from entering and the ground of an orifice is protected, the pile casing is required to be firm and durable and free from water leakage, the inner diameter of the pile casing is larger than the diameter of the drilled hole, the steel pile casing is generally used, in order to recycle the pile casing, after the construction is finished, the pile casing needs to be pulled out by corresponding equipment after the concrete pile body is solidified, the pile casing does not need to be too deep for a common construction environment with good earth quality, the height of the pile casing buried below is not high, the contact area between the pile casing and the concrete pile body and the outer bottom layer of the pile casing is relatively small after the construction is finished, the pile casing is easy to pull out, the pile casing is less damaged when the pile casing is pulled out, the construction is not influenced, and the operation is simple.
However, for the mucky soil layer with high compressibility in the form of flowing plastic, the length of the pile casing needs to be increased, and when the pile casing is buried, the pile casing needs to be effectively pressed down by using a pressure device, so that the stress on the bottom layer of the pile casing is larger, after the concrete pile body is completely solidified, the pulling resistance of the pile casing is larger under the pressure of an external soil layer and the reverse pressure of an internal concrete pile body, the operation is more difficult, if the pulling strength is simply increased, the contact area between the pile casing and the concrete is more due to the long length of the pile casing, the attaching degree is higher, and when the pile casing is pulled, the pulling force is difficult to be ensured to be completely vertical upwards, so that an inclined component force is formed between the pile casing and the concrete pile body, the pile casing and the external soil layer are easily damaged, the pulling difficulty of the pile casing is increased, and the construction quality is affected.
Disclosure of Invention
The invention provides a bored pile construction device and a construction method thereof, which aims to solve the problems that: when the length of the existing pile casing is longer, the resistance of drawing the pile casing is larger, the pile casing and the concrete pile body are easily damaged, the drawing difficulty of the protection pipe is increased, and the construction quality is affected.
In order to achieve the above purpose, the present invention provides the following technical solutions: the bored pile construction device comprises a double-layer pile casing structure, wherein the double-layer pile casing structure is used for being buried at the top of a pile hole, the double-layer pile casing structure comprises an inner pile casing and an outer pile casing, a pressing interval is arranged between the inner pile casing and the outer pile casing, and a loose layer is filled in the pressing interval;
the positioning structure is arranged at the top of the pile hole and used for guiding the installation and drawing of the inner casing, and comprises a support frame body, a positioning component is arranged at the top of the support frame body and used for guiding the inner casing through contacting with the outer wall of the inner casing;
the support frame body is also provided with a pressurizing assembly, the pressurizing assembly is used for pressurizing a loose layer in the pressurizing interval to compact the loose layer, and forms internal stress for inward extrusion on the inner casing, and external stress for outward extrusion on the outer casing;
the construction device further comprises a discharging structure, wherein the discharging structure is used for discharging loose layers in the pressing section after the concrete is solidified, so that the stress of the inner protective cylinder and the outer protective cylinder extruded by the loose layers is released.
In a preferred embodiment, the positioning components are arranged in a plurality of groups, the plurality of groups of positioning components are circumferentially distributed on the support frame body, the positioning components comprise hydraulic cylinders, positioning plates are fixedly arranged at the output ends of the hydraulic cylinders, and rotating rollers are rotatably arranged on the positioning plates.
In a preferred embodiment, the pressurizing assembly comprises a pressurizing ring plate, the pressurizing ring plate is arranged corresponding to the pressurizing interval, the pressurizing ring plate is connected with the double-layer pile casing structure through a lifting frame, the pressurizing ring plate is fixedly connected with the lifting frame, the lifting frame is vertically and slidably arranged in the double-layer pile casing structure, and a lifting driver is arranged between the lifting frame and the double-layer pile casing structure and used for driving the lifting frame to lift.
In a preferred embodiment, the inner side wall and the outer side wall of the pressurizing ring plate are respectively provided with a filling bag body, the bottom wall of the pressurizing ring plate is fixedly provided with the pressurizing bag body, the filling bag body and the pressurizing bag body are respectively connected with a fluid conveying device, and the fluid conveying devices enable the filling bag body to transversely expand and enable the pressurizing bag body to vertically expand by conveying fluid into the filling bag body and the pressurizing bag body.
In a preferred embodiment, the discharge structure comprises a discharge pipe, the bottom of the discharge pipe is provided with a pumping port, the discharge pipe is connected with pumping equipment, the pressurizing ring plate is provided with a perforation for the discharge pipe to pass through, and the perforation is provided with a detachable sealing cover structure.
In a preferred embodiment, the lifting frame is provided with a guide sleeve corresponding to the perforation, the rotating frame is rotatably arranged on the supporting frame body, the lifting frame is slidably arranged above the rotating frame through a guide rod, and the lifting driver is arranged between the lifting frame and the rotating frame.
In a preferred embodiment, two sets of vibration devices are arranged on the bottom end of the discharge pipe, the two sets of vibration devices are respectively arranged corresponding to the outer part of the inner protective cylinder and the inner wall of the outer protective cylinder, and the two sets of vibration devices are respectively used for beating the surfaces of the inner protective cylinder and the outer protective cylinder to vibrate when the discharge pipe moves along the circumferential movement of the pressing section.
In a preferred embodiment, the vibrator is a vibrator structure which is magnetically attracted and attached to the surface of the inner casing or the outer casing, and is provided with a ferromagnetic structure for attracting the vibrator to the surface of the inner casing or the outer casing and a roller structure for supporting the vibrator to travel on the surface of the inner casing or the outer casing.
In a preferred embodiment, the vibrator comprises a traction frame connected with the discharge pipe through a rope, a rotating ring is rotatably installed on the traction frame, a plurality of supporting rods are fixedly connected to the surface of the rotating ring, strong magnets are installed at the end parts of the supporting rods, hinging seats are arranged at the end parts of the supporting rods, and the strong magnets are rotatably installed in the hinging seats of the supporting rods.
A bored pile construction method comprises the following steps:
step one, construction positioning, namely, determining a construction position by installing a standard on a field;
installing an outer protective cylinder, manufacturing the outer protective cylinder, and setting the outer protective cylinder in place;
step three, the outer protective cylinder is hollowed out, and the soil layer in the outer protective cylinder is hollowed out;
installing a support frame body, wherein the support frame body is installed on the periphery of the outer casing according to a standard position;
installing an inner casing, positioning and guiding the inner casing by utilizing a positioning assembly, and arranging the inner casing in the outer casing;
step six, filling a pressing section, namely continuously filling loose layer materials such as dry sand grains or other solid particles into the pressing section, continuously vibrating and tamping the loose layer materials in the filling process, and forming extrusion stress on the inner casing and the outer casing;
step seven, drilling and filling pile construction, wherein mechanical drilling is carried out in the inner casing, a positioning assembly is used for guiding and throwing a reinforcement cage after drilling, and then concrete is filled;
step eight, releasing the pressure of the loose layer material in the pressure applying section after the concrete is solidified, and discharging the loose layer material;
step nine, lifting the inner casing and the outer casing, firstly lifting the inner casing by using lifting equipment, guiding the inner casing by using a positioning assembly in the lifting process to vertically lift the inner casing, striking the inner casing to vibrate in the lifting process to avoid blocking, and then lifting the outer casing;
and step ten, backfilling the soil layer, and filling soil materials into the space around the lifted pile body.
The invention has the beneficial effects that: the invention adopts a double-layer pile casing structure, and materials are filled between the double-layer pile casings, so that the wall thickness of the inner pile casing can be greatly reduced, thereby being beneficial to micro deformation of the inner pile casing and being easier to pull out, and when in construction, corresponding materials are put into a pressing interval to form extrusion stress on the inner pile casing and the outer pile casing, after the concrete is solidified and formed, the extrusion stress applied to the outer wall of the inner pile casing is eliminated after a loose layer is discharged, the inner pile casing is subjected to reset deformation, namely, the outward micro expansion deformation is generated, so that the bonding degree of the inner pile casing and the concrete pile body is reduced, the stress of the pile body after solidification is reduced, the inner pile casing is easier to pull out, the damage to the concrete pile body and the inner pile casing during pulling out is smaller, the effective construction quality can be ensured, and the service life of the inner pile casing is prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a state diagram of the present invention when filling the pressing section.
Fig. 3 is a schematic structural view of the filling material in the discharge pressing section according to the present invention.
Fig. 4 is a schematic view of the lifting of the inner casing of the present invention.
Fig. 5 is an enlarged view of the structure of the portion a of fig. 2 according to the present invention.
FIG. 6 is a schematic view of the overall structure of the press ring plate of the present invention.
Fig. 7 is a top view of the lift of the present invention.
Fig. 8 is a schematic structural view of the discharge tube of the present invention extending into the pressing section.
Fig. 9 is a schematic overall structure of the positioning assembly of the present invention.
Fig. 10 is a view showing a movement state of the discharge tube in the pressing section according to the present invention.
FIG. 11 is a schematic diagram showing the cooperation of the vibrator and the inner casing according to the present invention.
FIG. 12 is a schematic view of the improved shock and inner casing of the present invention.
Fig. 13 is a schematic view of one of the inner casings used in the present invention.
Fig. 14 is a flow chart of the construction method of the present invention.
The reference numerals are: 1. a double-layer pile casing structure; 11. an inner casing; 12. an outer casing; 13. a pressing section; 2. a positioning structure; 21. a support frame body; 22. a positioning assembly; 221. a hydraulic cylinder; 222. a positioning plate; 223. a rotating roller; 3. a discharging structure; 31. a discharge pipe; 32. a material pumping port; 4. a pressing ring plate; 41. perforating; 42. filling the capsule; 43. a pressurizing bag body; 5. a rotating frame; 51. a lifting frame; 52. a lifting driver; 53. a guide sleeve; 6. a vibrator; 61. a traction frame; 62. a rotating ring; 63. a support rod; 64. a strong magnet.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Referring to fig. 1 to 4 of the drawings, a bored pile construction device comprises a double-layer pile casing structure 1, wherein the double-layer pile casing structure 1 is used for being buried at the top of a pile hole, the double-layer pile casing structure 1 comprises an inner pile casing 11 and an outer pile casing 12, the inner pile casing 11 is positioned at the inner side of the outer pile casing 12, a pressing section 13 is arranged between the inner pile casing 11 and the outer pile casing 12, and loose layers formed by gravel or loose soil are filled in the pressing section 13;
the positioning structure 2 is arranged at the top of the pile hole, the positioning structure 2 is used for guiding the installation and drawing of the inner pile casing 11 and guiding the lowering of the reinforcement cage, the positioning structure 2 comprises a support frame body 21, the support frame body 21 is fixed on the ground at the top of the pile hole, the top of the support frame body 21 is provided with a positioning component 22, and the positioning component 22 is used for guiding the inner pile casing 11 through contacting with the outer wall of the inner pile casing 11;
the support frame body 21 is also provided with a pressurizing assembly, and the pressurizing assembly is used for pressurizing the loose layer in the pressurizing section 13 to compact the loose layer, forming internal stress for inward extrusion on the inner casing 11, forming external stress for outward extrusion on the outer casing 12, so that the inner casing 11 forms inward shrinkage micro deformation, and the outer casing 12 forms outward expansion micro deformation;
the construction device further comprises a discharging structure 3, wherein the discharging structure 3 is used for discharging loose layers in the pressing zone 13 after concrete is solidified, so that the stress of the inner protective cylinder 11 and the outer protective cylinder 12 extruded by the loose layers is released, the inner protective cylinder 11 can be deformed in an outward expanding mode, and the outer protective cylinder 12 can be deformed in an inward shrinking mode.
It should be noted that, the positioning components 22 are configured into multiple groups, and the multiple groups of positioning components 22 are circumferentially distributed on the supporting frame 21, referring to fig. 9 of the specification, the positioning components 22 include a hydraulic cylinder 221, an output end of the hydraulic cylinder 221 is fixedly provided with a positioning plate 222, and a roller 223 is rotatably installed on the positioning plate 222, so that when in use, the hydraulic cylinder 221 is driven to extend to make the roller 223 contact the inner casing 11 or the reinforcement cage, and the position of each roller 223 is adjusted appropriately, so that the posture of the inner casing 11 or the reinforcement cage can be effectively adjusted, and effective support and guide of the inner casing 11 or the reinforcement cage can be realized.
In this embodiment, the implementation scenario specifically includes: after the position of a pile hole is determined, the outer casing 12 is buried in a soil layer, then the soil layer in the outer casing 12 is dug out, the supporting frame body 21 is installed outside the outer casing 12 according to the standard position, the positioning components 22 are adjusted, the throwing position of the inner casing 11 is adjusted, then the inner casing 11 is placed down from the area between the positioning components 22, the inner casing 11 is accurately installed in the outer casing 12 under the guidance of the positioning components 22, then corresponding materials are thrown into the pressing section 13 to form a loose layer, in the embodiment, the pressing section 13 is compacted by arranging a pressing structure, such as a vibrating rod structure, on the double-layer casing structure 1 to form extrusion stress on the inner casing 11 and the outer casing 12, so that the inner casing 11 generates tiny shrinkage deformation, the pressing section 13 generates tiny expansion deformation, and then drilling operation is performed, when concrete is poured, the inner casing 11 is always in an inward deformation state, so after the concrete is solidified and formed, after a loose layer is discharged, the extrusion stress applied to the outer wall of the inner casing 11 disappears, the inner casing 11 is subjected to reset deformation, namely, outward tiny expansion deformation is generated, so that the degree of fitting of the inner casing 11 with a concrete pile body is reduced, the stress of the pile body after solidification is reduced, the inner casing 11 is easier to pull out, in the process of pulling out the inner casing 11, the inner casing 11 can be pulled out along the standard vertical direction by virtue of the guide of the positioning component 22 according to the specification, the component force of other inclined directions is reduced, the interference between the inner casing 11 and the concrete pile body is reduced, the construction quality is ensured, the convenience of taking out the inner casing 11 is improved, the quality of the inner casing 11 can be ensured for the next use, the service life of the inner casing 11 is prolonged, the same is true, after the loose layer is discharged, and after the inner casing 11 is taken out, the stress of the outer casing 12 and an external soil layer is also greatly reduced, the outer casing 12 and the external soil layer are pulled out more easily, and the interval between the outer casing 12 and the concrete pile body is larger, so that the outer casing 12 and the concrete pile body are pulled out more easily.
It should be noted that, because the present embodiment adopts a double-layer pile casing structure, and the materials are filled between the double-layer pile casings, the wall thickness of the inner pile casing 11 can be greatly reduced, so that the inner pile casing 11 is favorable to generating tiny deformation, and is easier to pull out, and the pressing section 13 is emptied first when the inner pile casing 11 is taken out, therefore, the outer wall of the inner pile casing 11 is not blocked when the inner pile casing 11 is pulled out, so that the inner pile casing 11 can also be provided with a split type assembling structure, the assembling and fixing position is located on the outer wall of the inner pile casing 11, and meanwhile, the outer pile casing 12 can be provided with an integral structure to realize a waterproof function, so that the inner pile casing 11 can also be provided with a curled shape as shown in fig. 13, in particular, the inner pile casing 11 is formed by curling a round steel plate, and two ends of the curled steel plate are mutually overlapped, so that the inner pile casing 11 is easier to generate deformation on the diameter, and after the use is finished, the inner pile casing 11 can generate larger expansion deformation, which is favorable to the taking out.
Further, in order to improve the pressurizing effect on the loose layer, the embodiment further provides the following technical scheme, specifically, referring to fig. 2 and fig. 5 of the specification, the pressurizing assembly comprises a pressurizing ring plate 4, the pressurizing ring plate 4 is arranged corresponding to the pressurizing section 13, the pressurizing ring plate 4 is connected with the double-layer pile casing structure 1 through a lifting frame 51, the pressurizing ring plate 4 is fixedly connected with the lifting frame 51, the lifting frame 51 is vertically and slidably arranged in the double-layer pile casing structure 1, a lifting driver 52 is arranged between the lifting frame 51 and the double-layer pile casing structure 1, and the lifting driver 52 is used for driving the lifting frame 51 to lift.
It should be noted that, the lifting frame 51 is preferably a hydraulic driving structure, and in actual use, the vibrating rod is matched with the structure of the vibrating rod, in the process of filling the loose layer into the pressing section 13, the loose layer is made to be more compact by the vibrating rod, after the loose layer is filled, the lifting driver 52 is used for driving the pressing ring plate 4 to lift reciprocally, and the pressing ring plate 4 is in a rapid descending process when descending, so as to form impact on the loose layer, finally, the pressing ring plate 4 covers the loose layer with a fixed pressure, so that the loose layer provides stable pressure for the inner protection cylinder 11 and the outer protection cylinder 12.
Further, referring to fig. 5 of the specification, the inner side wall and the outer side wall of the pressing ring plate 4 are both provided with a filling bladder 42, the bottom wall of the pressing ring plate 4 is fixedly provided with a pressing bladder 43, the filling bladder 42 and the pressing bladder 43 are both connected with a fluid conveying device, the fluid conveying device is of a pump structure, hydraulic oil is preferred, the fluid conveying device conveys the fluid into the filling bladder 42 and the pressing bladder 43 to enable the filling bladder 42 to expand transversely and enable the pressing bladder 43 to expand vertically, and then the filling bladder 42 can be attached to the inner casing 11 or the outer casing 12 to seal the pressing zone 13, and the expansion of the pressing bladder 43 is utilized to further provide pressure for a loose layer, after construction is finished, the fluid in the filling bladder 42 and the pressing bladder 43 can be discharged, the filling bladder 42 and the pressing bladder 43 can be contracted, and the pressing ring plate 4 can be moved out of the pressing zone 13 better.
Further, referring to fig. 3 of the specification, the discharging structure 3 includes a discharging tube 31, a suction port 32 is formed at the bottom of the discharging tube 31, the discharging tube 31 is connected with a suction device, such as a high-pressure suction pump, an auger structure may be formed inside the discharging tube 31 for sucking and discharging loose layers, referring to fig. 6 and 8 of the specification, a perforated hole 41 is formed in the pressurizing ring plate 4, the perforated hole 41 is used for allowing the discharging tube 31 to pass through, a guide sleeve 53 corresponding to the perforated hole 41 is formed in the lifting frame 51, a rotating frame 5 is rotatably mounted on the supporting frame body 21, the lifting frame 51 is slidably mounted above the rotating frame 5 through a guide rod, and a lifting driver 52 is mounted between the lifting frame 51 and the rotating frame 5.
It should be noted that, the support frame 21 is provided with a driving device for driving the rotating frame 5 to rotate, the driving device is preferably a motor assembly, the motor drives the rotating frame 5 to rotate through a gear structure, the perforation 41 is provided with an openable sealing cover structure, the sealing cover structure is opened during discharging, the discharging pipe 31 passes through the guide sleeve 53 and the perforation 41 and extends into the pressing interval 13, the high-pressure extracting device is started, or the packing auger in the discharging pipe 31 extracts and discharges loose layers in the pressing interval 13, meanwhile, the rotating frame 5 can be driven to rotate, so that the discharging pipe 31 rotates continuously in the pressing interval 13 to accelerate discharging of the loose layers, wherein the aim of discharging the loose layers in the embodiment is to release the pressure on the inner protective cylinder 11 and the outer protective cylinder 12, therefore, after the pressing ring plate 4 discharges a part of the loose layers, the pressure initially attached between the loose layers is also discharged, and the loose layers can be recovered under the action of the deformation recovery stress of the inner protective cylinder 11 and the outer protective cylinder 12, that is, in fact, the loose layers can be discharged in the certain operation after the loose layers are completely needed to be discharged in the pressing interval 13.
Referring to fig. 10 and 11 of the specification, in order to assist the inner casing 11 and the outer casing 12 in releasing stress while discharging the loose layer, the present embodiment further provides a technical solution, specifically, referring to fig. 10 of the specification, two sets of vibrators 6 are provided on the bottom end of the discharge pipe 31, the two sets of vibrators 6 are respectively provided corresponding to the outer portion of the inner casing 11 and the inner wall of the outer casing 12, and the two sets of vibrators 6 are respectively used for striking the surfaces of the inner casing 11 and the outer casing 12 to vibrate when the discharge pipe 31 moves circumferentially along the pressing section 13, wherein the vibrators 6 may be vibrator structures that adsorb and attach to the surfaces of the inner casing 11 or the outer casing 12 through magnetic force, and the inner wall of the inner casing 11 and the outer casing 12 are driven to vibrate more sufficiently along with the continuously changing position of the movement of the discharge pipe 31, so that the inner wall of the inner casing 11 can be effectively separated from the outer wall of the concrete pile body.
Further, the vibrator 6 includes a traction frame 61, the traction frame 61 is connected with the discharge pipe 31 through a rope, a rotating ring 62 is rotatably installed in the traction frame 61, a plurality of supporting rods 63 are fixedly connected to the surface of the rotating ring 62, strong magnets 64 are installed at the end parts of the supporting rods 63, hinge seats are arranged at the end parts of the supporting rods 63, and the strong magnets 64 are rotatably installed in the hinge seats of the supporting rods 63, referring to fig. 12 of the specification.
It should be noted that, when in actual use, after connecting the traction frame 61 with the discharge pipe 31, the two sets of vibrators 6 continuously drop in the pressing section 13, and the two sets of vibrators 6 rotate around the inner casing 11 and the outer casing 12 under the magnetic force absorption of the strong magnets 64, during the movement of the discharge pipe 31, the traction frame 61 and the rotating ring 62 are pulled to move, and then the rotating ring 62 rotates, so that a new support rod 63 turns over to the surface of the inner casing 11 or the outer casing 12, then the new support rod 63 absorbs the magnetic force of the strong magnets 64, and then the new support rod 63 absorbs the strong magnets 64, and moves to the surface of the inner casing 11 or the outer casing 12, so as to form a strike to the inner casing 11 or the outer casing 12, and then the new strong magnets 64 are attached to the surface of the inner casing 11 or the outer casing 12.
Referring to fig. 14 of the specification, a method for constructing a bored pile comprises the following steps:
step one, construction positioning, namely, determining a construction position by installing a standard on a field;
installing an outer casing 12, manufacturing the outer casing 12, and setting the outer casing in place;
step three, the outer protective cylinder 12 is hollowed out, and the soil layer in the outer protective cylinder 12 is hollowed out;
step four, mounting a support frame 21, wherein the support frame 21 is mounted on the periphery of the outer casing 12 according to a standard position;
step five, installing the inner casing 11, positioning and guiding the inner casing 11 by using a positioning assembly 22, and arranging the inner casing 11 in the outer casing 12;
step six, filling the pressing section 13, continuously filling loose layer materials such as dry sand grains or other solid particles into the pressing section 13, continuously vibrating and tamping the loose layer materials in the filling process, and forming extrusion stress on the inner protective cylinder 11 and the outer protective cylinder 12;
step seven, drilling and filling pile construction, wherein mechanical drilling is carried out in the inner casing 11, a reinforcement cage is guided and put in by the positioning assembly 22 after drilling, and then concrete is filled;
step eight, releasing the pressure of the loose layer material in the pressure applying section 13 after the concrete is solidified, and discharging the loose layer material;
step nine, lifting the inner casing 11 and the outer casing 12, firstly lifting the inner casing 11 by using lifting equipment, guiding the inner casing 11 by using a positioning assembly 22 in the lifting process to vertically lift the inner casing 11, striking the inner casing 11 to vibrate in the lifting process to avoid blocking, and then lifting the outer casing 12;
and step ten, backfilling the soil layer, and filling soil materials into the space around the lifted pile body.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (10)
1. The utility model provides a drilling bored concrete pile construction equipment which characterized in that: the pile comprises a double-layer pile casing structure (1), wherein the double-layer pile casing structure (1) is used for being buried at the top of a pile hole, the double-layer pile casing structure (1) comprises an inner pile casing (11) and an outer pile casing (12), a pressing section (13) is arranged between the inner pile casing (11) and the outer pile casing (12), and a loose layer is formed by filling the pressing section (13);
the positioning structure (2), the positioning structure (2) is installed at the top of the pile hole, the positioning structure (2) is used for guiding the installation and drawing of the inner casing (11), the positioning structure (2) comprises a support frame body (21), a positioning component (22) is arranged at the top of the support frame body (21), and the positioning component (22) guides the inner casing (11) through contacting with the outer wall of the inner casing (11);
the support frame body (21) is also provided with a pressurizing assembly, the pressurizing assembly is used for pressurizing a loose layer in the pressurizing section (13) to compact the loose layer, and forms internal stress for inward extrusion on the inner casing (11), and external stress for outward extrusion on the outer casing (12);
the construction device further comprises a discharging structure (3), wherein the discharging structure (3) is used for discharging loose layers in the pressing section (13) after concrete is solidified, so that stress of the inner protective cylinder (11) and the outer protective cylinder (12) extruded by the loose layers is released.
2. A bored pile construction apparatus according to claim 1, wherein: the positioning components (22) are arranged into a plurality of groups, the positioning components (22) are circumferentially distributed on the support frame body (21), the positioning components (22) comprise hydraulic cylinders (221), positioning plates (222) are fixedly arranged at the output ends of the hydraulic cylinders (221), and rotating rollers (223) are rotatably arranged on the positioning plates (222).
3. A bored pile construction apparatus according to claim 2, wherein: the pressurizing assembly comprises a pressurizing annular plate (4), the pressurizing annular plate (4) is arranged corresponding to the pressurizing interval (13), the pressurizing annular plate (4) is connected with the double-layer pile casing structure (1) through a lifting frame (51), the pressurizing annular plate (4) is fixedly connected with the lifting frame (51), the lifting frame (51) is vertically and slidably arranged in the double-layer pile casing structure (1), and a lifting driver (52) is arranged between the lifting frame (51) and the double-layer pile casing structure (1), and the lifting driver (52) is used for driving the lifting frame (51) to lift.
4. A bored pile construction apparatus according to claim 3, wherein: the inner side wall and the outer side wall of the pressurizing ring plate (4) are respectively provided with a filling bag body (42), the bottom wall of the pressurizing ring plate (4) is fixedly provided with a pressurizing bag body (43), the filling bag body (42) and the pressurizing bag body (43) are respectively connected with fluid conveying equipment, and the fluid conveying equipment conveys fluid into the filling bag body (42) and the pressurizing bag body (43) to enable the filling bag body (42) to transversely expand and enable the pressurizing bag body (43) to vertically expand.
5. A bored pile construction apparatus according to claim 4, wherein: the discharging structure (3) comprises a discharging pipe (31), a material pumping opening (32) is formed in the bottom of the discharging pipe (31), the discharging pipe (31) is connected with extraction equipment, a perforation (41) is formed in the pressurizing annular plate (4), the perforation (41) is used for enabling the discharging pipe (31) to penetrate through, and a detachable sealing cover structure is arranged on the perforation (41).
6. A bored pile construction apparatus according to claim 5, wherein: the lifting device is characterized in that a guide sleeve (53) corresponding to the through hole (41) is arranged on the lifting frame (51), the rotating frame (5) is rotatably arranged on the supporting frame body (21), the lifting frame (51) is slidably arranged above the rotating frame (5) through a guide rod, and the lifting driver (52) is arranged between the lifting frame (51) and the rotating frame (5).
7. A bored pile construction apparatus according to claim 6, wherein: two groups of vibration devices (6) are arranged at the bottom end of the discharge pipe (31), the two groups of vibration devices (6) are respectively corresponding to the outer part of the inner protective cylinder (11) and the inner wall of the outer protective cylinder (12), and the two groups of vibration devices (6) are respectively used for beating the surfaces of the inner protective cylinder (11) and the outer protective cylinder (12) to vibrate when the discharge pipe (31) moves along the circumferential movement of the pressing section (13).
8. A bored pile construction apparatus according to claim 7, wherein: the vibrator (6) is a vibrator structure which is adsorbed by magnetic force and attached to the surface of the inner protective cylinder (11) or the outer protective cylinder (12), the vibrator is provided with a strong magnetic structure and a roller structure, the strong magnetic structure is used for adsorbing the vibrator on the surface of the inner protective cylinder (11) or the outer protective cylinder (12), and the roller structure is used for supporting the vibrator to walk on the surface of the inner protective cylinder (11) or the outer protective cylinder (12).
9. A bored pile construction apparatus according to claim 7, wherein: the vibration damper (6) comprises a traction frame (61), the traction frame (61) is connected with a discharge pipe (31) through a rope, a rotating ring (62) is rotatably installed in the traction frame (61), a plurality of support rods (63) are fixedly connected to the surface of the rotating ring (62), strong magnets (64) are installed at the end parts of the support rods (63), hinge seats are arranged at the end parts of the support rods (63), and the strong magnets (64) are rotatably installed in the hinge seats of the support rods (63).
10. A construction method of the construction apparatus according to claim 3, comprising the steps of:
step one, construction positioning, namely, determining a construction position by installing a standard on a field;
installing an outer protective cylinder (12), manufacturing the outer protective cylinder (12), and setting the outer protective cylinder in place;
digging out the outer protective cylinder (12), and digging out the soil layer in the outer protective cylinder (12);
step four, mounting a support frame body (21), and mounting the support frame body (21) on the periphery of the outer casing (12) according to a standard position;
installing an inner protection cylinder (11), positioning and guiding the inner protection cylinder (11) by utilizing a positioning assembly (22), and arranging the inner protection cylinder (11) in an outer protection cylinder (12);
step six, filling a pressing section (13), continuously filling loose layer materials such as dry sand grains or other solid particles into the pressing section (13), continuously vibrating and tamping the loose layer materials in the filling process, and forming extrusion stress on the inner protective cylinder (11) and the outer protective cylinder (12);
step seven, drilling and filling pile construction, wherein mechanical drilling is carried out in the inner casing (11), a steel reinforcement cage is guided and put in by utilizing a positioning assembly (22) after drilling, and concrete is filled;
step eight, releasing the pressure of the loose layer material in the pressure applying section (13) after the concrete is solidified, and discharging the loose layer material;
step nine, lifting the inner protection cylinder (11) and the outer protection cylinder (12), firstly lifting the inner protection cylinder (11) by using lifting equipment, guiding the inner protection cylinder (11) by using a positioning assembly (22) in the lifting process to vertically lift the inner protection cylinder, beating the inner protection cylinder (11) in the lifting process to vibrate the inner protection cylinder to avoid blocking, and then lifting the outer protection cylinder (12);
and step ten, backfilling the soil layer, and filling soil materials into the space around the lifted pile body.
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| CN202410091633.1A CN117605023B (en) | 2024-01-23 | 2024-01-23 | Bored pile construction device and construction method thereof |
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| CN202410091633.1A CN117605023B (en) | 2024-01-23 | 2024-01-23 | Bored pile construction device and construction method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100996300B1 (en) * | 2010-02-23 | 2010-11-24 | 지이산업 주식회사 | Drilling of forcible-insertion type for casing or pile pouring |
| CN201826302U (en) * | 2010-08-01 | 2011-05-11 | 常雷 | Boring device for large-diameter cast-in-situ thin-walled concrete composite pile |
| CN106284314A (en) * | 2016-08-31 | 2017-01-04 | 中冶建工集团有限公司 | Karst landform spiral-digging pore cast-in-place pile construction method |
| CN109706921A (en) * | 2019-01-29 | 2019-05-03 | 中国港湾工程有限责任公司 | The double casing construction technologies of bored concrete pile |
| CN209339195U (en) * | 2018-12-13 | 2019-09-03 | 深圳宏业基岩土科技股份有限公司 | Convenient for double casing structures of test pile test |
| CN210341924U (en) * | 2019-04-30 | 2020-04-17 | 福建路港（集团）有限公司 | Intelligent positioning and guiding device for pile foundation construction |
| CN113699981A (en) * | 2021-09-07 | 2021-11-26 | 中冶建工集团有限公司 | Construction method for preventing necking of rotary-digging cast-in-place pile in high-fill field |
| CN117211271A (en) * | 2023-09-15 | 2023-12-12 | 深圳市工勘岩土集团有限公司 | Double-pile-casing positioning pile-forming construction method for deep and thick filling layer filling pile of sea wall |
| WO2024007591A1 (en) * | 2022-07-08 | 2024-01-11 | 阳江海上风电实验室 | Rock-socketed monopile construction method based on double-casing pile stabilizing platform |
-
2024
- 2024-01-23 CN CN202410091633.1A patent/CN117605023B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100996300B1 (en) * | 2010-02-23 | 2010-11-24 | 지이산업 주식회사 | Drilling of forcible-insertion type for casing or pile pouring |
| CN201826302U (en) * | 2010-08-01 | 2011-05-11 | 常雷 | Boring device for large-diameter cast-in-situ thin-walled concrete composite pile |
| CN106284314A (en) * | 2016-08-31 | 2017-01-04 | 中冶建工集团有限公司 | Karst landform spiral-digging pore cast-in-place pile construction method |
| CN209339195U (en) * | 2018-12-13 | 2019-09-03 | 深圳宏业基岩土科技股份有限公司 | Convenient for double casing structures of test pile test |
| CN109706921A (en) * | 2019-01-29 | 2019-05-03 | 中国港湾工程有限责任公司 | The double casing construction technologies of bored concrete pile |
| CN210341924U (en) * | 2019-04-30 | 2020-04-17 | 福建路港（集团）有限公司 | Intelligent positioning and guiding device for pile foundation construction |
| CN113699981A (en) * | 2021-09-07 | 2021-11-26 | 中冶建工集团有限公司 | Construction method for preventing necking of rotary-digging cast-in-place pile in high-fill field |
| WO2024007591A1 (en) * | 2022-07-08 | 2024-01-11 | 阳江海上风电实验室 | Rock-socketed monopile construction method based on double-casing pile stabilizing platform |
| CN117211271A (en) * | 2023-09-15 | 2023-12-12 | 深圳市工勘岩土集团有限公司 | Double-pile-casing positioning pile-forming construction method for deep and thick filling layer filling pile of sea wall |
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| CN117605023B (en) | 2024-03-22 |
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