CN217460524U - Crowded moulding stock stake that expands of membrane bag slip casting - Google Patents
Crowded moulding stock stake that expands of membrane bag slip casting Download PDFInfo
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- CN217460524U CN217460524U CN202221448791.0U CN202221448791U CN217460524U CN 217460524 U CN217460524 U CN 217460524U CN 202221448791 U CN202221448791 U CN 202221448791U CN 217460524 U CN217460524 U CN 217460524U
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Abstract
The utility model relates to a membrane bag grouting, extruding and expanding and shaping anchor rod pile, which comprises a pile tip and a hollow anchor rod pile, wherein one end of a pile body of the pile tip is provided with a first connecting end part, the other end of the pile body of the pile tip is integrally cast with a conical inserting end body, and a pile core of the pile body is provided with a first vertical through hole; the upper end and the lower end of the hollow anchor rod pile are respectively provided with a second connecting end part, and a pile core of the hollow anchor rod pile is provided with a second vertical through hole; a film bag shaping unit is arranged between the first connecting end part of the pile tip and the second connecting end part of the hollow anchor rod pile, a film bag shaping unit is arranged between the adjacent hollow anchor rod piles through the second connecting end part, and the first vertical through hole and the second vertical through hole are communicated with the film bag shaping unit; the utility model has the advantages that: through set up moulding unit of membrane bag between stake point and cavity stock stake and between the adjacent cavity stock stake, increase substantially the stock stake bear the weight of and resistance to plucking performance under the prerequisite that does not improve pile pressing power.
Description
Technical Field
The utility model belongs to the technical field of the stock stake, especially, relate to a moulding stock stake of crowded expanding of membrane bag slip casting.
Background
The anchor rod static pressure pile is formed by utilizing the counter force provided by the anchor rod anchored in the original foundation to press the pile, and the pressed pile is generally a small-section pile and is mainly used for reinforcing the foundation. The construction method has the advantages that the used machines are simple, the operation is easy, the construction does not affect the construction period, the operation can be carried out in a narrow space, the load transfer process and the stress performance are clear, the construction is simple and convenient, the quality is reliable, and the defects that holes are reserved on a bearing platform and anchor rods are embedded in a complex manner are overcome. Particularly, aiming at the ground layer of some coastal areas, the anchor rod pile is pressed into the ground layer, and because the cross section of the pile body is smaller, the bearing and uplift resistance of the pressed anchor rod pile can not meet the design requirements, the anchor rod pile with the larger cross section of the pressed pile body is adopted to solve the problem, so that the pile pressing force is improved, the construction and material cost is greatly improved, and a great deal of difficulty is added to the construction in a limited space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide one kind and improve the anchor rod stake by a wide margin and bear and the crowded moulding anchor rod stake that expands of membrane bag slip casting of resistance to plucking performance under the prerequisite that does not improve pile pressing power.
The utility model aims at solving the technical scheme that the membrane bag grouting, extruding and expanding shaping anchor rod pile comprises a pile tip and a hollow anchor rod pile, wherein one end of the pile body of the pile tip is provided with a first connecting end part, the other end of the pile body of the pile tip is integrally cast with a conical inserting end body, and the pile core of the pile body is provided with a first vertical through hole; the upper end and the lower end of the hollow anchor rod pile are respectively provided with a second connecting end part, and a pile core of the hollow anchor rod pile is provided with a second vertical through hole; the first link tip of stake point with install the moulding unit of membrane bag between the second link tip of cavity stock stake, it is adjacent install the moulding unit of membrane bag through second link tip between the cavity stock stake, just first vertical through hole with the vertical through hole of second all with the moulding unit of membrane bag communicates with each other.
The utility model has the advantages that: compared with the prior art, through set up the moulding unit of membrane bag between stake point and cavity stock stake and between the adjacent cavity stock stake, can carry out the pertinence design according to stratum characteristic and engineering needs, according to the potentiality of existing pile pressing counter-force full play stock stake section, moulding unit and stratum, make bearing capacity several times than the pile pressing counter-force that existing building can provide to have more economic, energy-conserving, the low carbon characteristics than traditional stock static pressure stake.
Preferably, the membrane bag shaping unit comprises a grouting core tube, a pier stud steel tube and a shaping membrane bag, wherein hollow connecting end bodies are respectively fixed at the upper end and the lower end of the pier stud steel tube, and the grouting core tube is positioned in the inner core of the pier stud steel tube and is fixed between the two hollow connecting end bodies; the shaping film bag is sleeved on the outer side of the pier stud steel pipe, and the head end and the tail end of the shaping film bag are fixed on the upper end and the lower end of the pier stud steel pipe through fixing components; through the moulding unit of membrane bag of this structural design, be convenient for with the installation connection between stake point and the cavity stock stake, promote the installation effectiveness greatly.
Preferably, the hollow connecting end body comprises an end plate and an angle steel joint, the angle steel joint is fixed on the circumferential side of one end of the end plate and is integrally cast and molded through concrete, the other end of the end plate is fixed with the pier stud steel pipe, a through hole is formed in the center of the end plate, and the through hole is communicated with the grouting core pipe; a vertical through hole is formed in the center of the integrally cast hollow connecting end body and is communicated with the through hole; therefore, the hollow connecting end body is connected with the pile tip and the hollow anchor rod pile, and the slurry passing effect of the hollow connecting end body in the grouting process is achieved.
Preferably, the hollow connecting end body is connected with the first connecting end part and the second connecting end part through the angle steel joint, and the vertical through hole is communicated with the first vertical through hole and the second vertical through hole; therefore, the connected membrane bag grouting extrusion-expansion molding anchor rod pile can realize grouting and extrusion-expansion in the molding membrane bag.
Preferably, the outer side wall of the pier stud steel pipe is provided with a spiral rib; further promote the bond stress between pier stud steel pipe and the inside thick liquid solidification body.
Preferably, the pipe wall of the pier stud steel pipe and the pipe wall of the grouting core pipe are both provided with slurry outlet holes; the grouting in the shaping film bag is convenient.
Preferably, the fixing assembly comprises a collar and a limiting hoop, the head end and the tail end of the shaping film bag are fixed on the pipe wall of the pier column steel pipe through the limiting hoop, the limiting hoop abuts against the end plate, and the collar is clamped on the pipe wall of the pier column steel pipe and abuts against the axial end of the limiting hoop; the shaping film bag can be fixed on the pipe wall of the pier column steel pipe, and is convenient to fix and timely adjust.
Preferably, the first connecting end is a welding head, is positioned on the circumferential side of the pile body and is integrally cast and molded by concrete; the second connecting end part is a welding head and is positioned on the circumferential side of the hollow anchor rod pile and integrally cast and formed by concrete; this facilitates the connection with the hollow connection end body of the film bag shaping unit.
Drawings
Fig. 1 is the front view structure schematic diagram of the membrane bag grouting extruding and expanding shaping anchor rod pile of the utility model.
Fig. 2 is a schematic structural view of the film bag shaping unit of the present invention.
Fig. 3 is a schematic structural diagram of the plastic film bag of the present invention before being unfolded.
Fig. 4 is a schematic structural diagram of the plastic film bag of the present invention after being unfolded.
The reference numbers in the figures are respectively: 1. pile tip; 2. a hollow anchor rod pile; 3. a film bag shaping unit; 4. a fixing assembly; 11. a pile body; 12. a first connecting end portion; 13. inserting the end body; 14. a first vertical through hole; 21. a second connection end portion; 22. a second vertical through hole; 31. grouting a core pipe; 32. pier stud steel pipe; 33. shaping a film bag; 34. a hollow connecting end body; 35. a spiral rib; 36. a slurry outlet; 41. a collar; 42. a limiting hoop; 34-1, end plates; 34-2, angle steel joints; 34-3, through holes; 34-4, vertical through holes.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: as shown in the attached drawings 1 to 4, the utility model comprises a pile tip 1 and a hollow anchor pile 2, wherein one end of a pile body 11 of the pile tip 1 is provided with a first connecting end 12, the other end of the pile body 11 of the pile tip 1 is integrally cast with a conical inserting end 13, and a pile core of the pile body 11 is provided with a first vertical through hole 14; the upper end and the lower end of the hollow anchor rod pile 2 are respectively provided with a second connecting end part 21, and the pile core of the hollow anchor rod pile 2 is provided with a second vertical through hole 22; a film bag shaping unit 3 is arranged between the first connecting end part 12 of the pile tip 1 and the second connecting end part 21 of the hollow anchor pile 2, a film bag shaping unit 3 is arranged between the adjacent hollow anchor piles 2 through the second connecting end part 21, and the first vertical through hole 14 and the second vertical through hole 22 are both communicated with the film bag shaping unit 3; the first connecting end part 12 is a welding head, and the first connecting end part 12 is positioned on the circumferential side of the pile body 11 and is integrally cast and molded by concrete; the second connecting end portion 21 is a welding head, and the second connecting end portion 21 is located on the circumferential side of the hollow anchor pile 2 and is integrally cast and formed by concrete. The position, the number, the grouting parameters and the like of each pile connected into the film bag shaping unit can be calculated and determined according to the vertical distribution characteristics of the target stratum and the requirements of single pile bearing and uplift resistance; through the design of above-mentioned structure, through crowded moulding membrane bag 33 that expands, can increase substantially the bearing and the resistance to plucking ability performance of stock pile under the prerequisite that does not improve pile-pressing power.
As shown in fig. 2, the film bag shaping unit 3 includes a grouting core tube 31, a pillar steel tube 32 and a shaping film bag 33, wherein hollow connection end bodies 34 are respectively fixed at the upper and lower ends of the pillar steel tube 32, and the grouting core tube 31 is located in the inner core of the pillar steel tube 32 and fixed between the two hollow connection end bodies 34; the shaping film bag 33 is sleeved outside the pier stud steel pipe 32, and the head end and the tail end of the shaping film bag 33 are fixed on the upper end and the lower end of the pier stud steel pipe 32 through the fixing assemblies 4; the shaping film bag 33 is made of a filament nonwoven fabric material, and the shaping film bag 33 is formed in a ring shape.
The hollow connecting end body 34 comprises an end plate 34-1 and an angle steel joint 34-2, the angle steel joint 34-2 is fixed on the circumferential side of one end of the end plate 34-1 in a welding mode and is integrally cast and molded through concrete, the other end of the end plate 34-1 is fixed with the pier stud steel pipe 32 in a welding mode, a through hole 34-3 is formed in the center of the end plate 34-1, the through hole 34-3 is communicated with the grouting core pipe 31, and the grouting core pipe 31 is vertically fixed between the two through holes 34-3 of the upper end plate and the lower end plate; a vertical through hole 34-4 is formed in the center of the integrally cast hollow connecting end body 34, and the vertical through hole 34-4 is communicated with the through hole 34-3.
The hollow connection end body 34 is connected with the first connection end portion 12 and the second connection end portion 21 through an angle joint 34-2, and the vertical through hole 34-4 is communicated with the first vertical through hole 14 and the second vertical through hole 22.
Be equipped with spiral muscle 35 on the lateral wall of pier stud steel pipe 32, spiral muscle 35 is that the winding form distributes on pier stud steel pipe 32's lateral wall.
The fixing assembly 4 comprises a collar 41 and a limiting hoop 42, the head end and the tail end of the shaping film bag 33 are fixed on the pipe wall of the pier column steel pipe 32 through the limiting hoop 42, the limiting hoop 42 is abutted against the end plate 34-1, and the collar 41 is clamped on the pipe wall of the pier column steel pipe 32 and abutted against the axial end of the limiting hoop 42.
The utility model discloses a work progress does:
a. the pile tip 1 is welded and fixed with an angle steel joint 34-2 at one end in the film bag shaping unit 3 through a first connecting end 12 on the pile body 11, the angle steel joint 34-2 at the other end in the film bag shaping unit 3 is welded and fixed with a second connecting end 21 of the hollow anchor rod pile 2, then the hollow anchor rod piles 2 are matched according to design requirements, and the adjacent hollow anchor rod piles 2 are respectively welded and fixed with the angle steel joint 34-2 in the film bag shaping unit 3 through the second connecting ends 21;
b. after the welded pile is cooled, fixing the head and the tail of the shaping film bag 33 on the pier stud steel pipe 32 by using a collar 41 between a limiting hoop 42 and an end plate 34-1, arranging the shaping film bag 33 to be smoothly embraced on the pier stud steel pipe 32, and winding and tightly embracing the shaping film bag by using electrical tape;
c. pressing a pile tip 1, a film bag shaping unit 3 and a hollow anchor pile 2 into the pile tip through an anchor static pressure pile process;
d. repeating the step b and the step c until pile pressing is finished, and the required length of the anchor rod pile meeting the design requirement is achieved;
e. inserting a double-plunger grouting gun head into a second vertical through hole 22 at the top end of the anchor pile, and filling and extruding and expanding a plastic film bag 33 by adopting a sleeve valve pipe grouting process to fully expand the plastic film bag to form an expansion body to participate in common stress;
f. other regulations relating to the performance of anchor rod static piles.
The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a crowded moulding stock stake that expands of membrane bag slip casting, includes stake point (1) and cavity stock stake (2), its characterized in that: a first connecting end part (12) is arranged at one end of a pile body (11) of the pile tip (1), a conical inserting end body (13) is integrally cast at the other end of the pile body (11) of the pile tip (1), and a pile core of the pile body (11) is provided with a first vertical through hole (14); the upper end and the lower end of the hollow anchor rod pile (2) are respectively provided with a second connecting end part (21), and the pile core of the hollow anchor rod pile (2) is provided with a second vertical through hole (22); the utility model discloses a hollow anchor rod pile, including stake point (1), first connecting end portion (12) of stake point (1) with install between second connecting end portion (21) of hollow anchor rod pile (2) membrane bag moulding unit (3), it is adjacent install membrane bag moulding unit (3) through second connecting end portion (21) between hollow anchor rod pile (2), just first vertical through hole (14) with the vertical through hole of second (22) all with membrane bag moulding unit (3) communicate with each other.
2. The film bag grouting extrusion molding anchor rod pile according to claim 1, characterized in that: the membrane bag shaping unit (3) comprises a grouting core pipe (31), a pier stud steel pipe (32) and a shaping membrane bag (33), wherein hollow connecting end bodies (34) are respectively fixed at the upper end and the lower end of the pier stud steel pipe (32), and the grouting core pipe (31) is positioned in the inner core of the pier stud steel pipe (32) and is fixed between the two hollow connecting end bodies (34); moulding membrane bag (33) cover be in pier stud steel pipe (32) outside, just the head and the tail both ends of moulding membrane bag (33) are all fixed through fixed subassembly (4) on the upper and lower both ends of pier stud steel pipe (32).
3. The film bag grouting extrusion molding anchor rod pile according to claim 2, characterized in that: the hollow connecting end body (34) comprises an end plate (34-1) and an angle steel joint (34-2), the angle steel joint (34-2) is fixed to the circumferential side of one end of the end plate (34-1) and is integrally cast and formed through concrete, the other end of the end plate (34-1) is fixed to the pier stud steel pipe (32), a through hole (34-3) is formed in the center of the end plate (34-1), and the through hole (34-3) is communicated with the grouting core pipe (31); a vertical through hole (34-4) is formed in the center of the hollow connecting end body (34) which is integrally cast, and the vertical through hole (34-4) is communicated with the through hole (34-3).
4. The film bag grouting extrusion molding anchor rod pile according to claim 3, characterized in that: the hollow connecting end body (34) is connected with the first connecting end portion (12) and the second connecting end portion (21) through the angle steel joint (34-2), and the vertical through hole (34-4) is communicated with the first vertical through hole (14) and the second vertical through hole (22).
5. The film bag grouting extrusion molding anchor rod pile according to claim 3, characterized in that: and the outer side wall of the pier stud steel pipe (32) is provided with a spiral rib (35).
6. The film bag grouting extrusion molding anchor rod pile according to claim 3, characterized in that: and slurry outlet holes (36) are formed in the pipe wall of the pier stud steel pipe (32) and the pipe wall of the grouting core pipe (31).
7. The film bag grouting extrusion molding anchor rod pile according to claim 3, characterized in that: fixed subassembly (4) are including binding ring (41) and spacing hoop (42), through spacing hoop (42) will the head and the tail both ends of moulding membrane bag (33) are fixed on the pipe wall of pier stud steel pipe (32), just spacing hoop (42) support and lean on end plate (34-1), binding ring (41) joint is in on the pipe wall of pier stud steel pipe (32) and support and lean on the axial of spacing hoop (42) is served.
8. The film bag grouting, squeezing and expanding molded anchor rod pile as claimed in claim 1, wherein: the first connecting end part (12) is a welding head, and the first connecting end part (12) is located on the circumferential side of the pile body (11) and is integrally cast and formed by concrete; the second connecting end portion (21) is a welding head, and the second connecting end portion (21) is located on the circumferential side of the hollow anchor rod pile (2) and is integrally cast and formed through concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221448791.0U CN217460524U (en) | 2022-06-10 | 2022-06-10 | Crowded moulding stock stake that expands of membrane bag slip casting |
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Application Number | Priority Date | Filing Date | Title |
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CN202221448791.0U CN217460524U (en) | 2022-06-10 | 2022-06-10 | Crowded moulding stock stake that expands of membrane bag slip casting |
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CN217460524U true CN217460524U (en) | 2022-09-20 |
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CN202221448791.0U Active CN217460524U (en) | 2022-06-10 | 2022-06-10 | Crowded moulding stock stake that expands of membrane bag slip casting |
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2022
- 2022-06-10 CN CN202221448791.0U patent/CN217460524U/en active Active
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