CN219909625U - Engaged pile reinforcement cage with rigidity reinforcing device - Google Patents
Engaged pile reinforcement cage with rigidity reinforcing device Download PDFInfo
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- CN219909625U CN219909625U CN202321003318.6U CN202321003318U CN219909625U CN 219909625 U CN219909625 U CN 219909625U CN 202321003318 U CN202321003318 U CN 202321003318U CN 219909625 U CN219909625 U CN 219909625U
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- reinforcement cage
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- cage
- reinforcing
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 150
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims abstract 15
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims abstract 15
- 210000003205 muscle Anatomy 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 210000000038 chest Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011152 fibreglass Substances 0.000 description 50
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an engaged pile reinforcement cage with a rigidity reinforcing device, which comprises a reinforcement cage and a GFRP reinforcement cage connected with the reinforcement cage, wherein the rigidity reinforcing device is arranged in the GFRP reinforcement cage and comprises a reinforcing cylinder; the reinforcing cylinder comprises an annular clamp and a reinforcing cylinder main rib, the annular clamp comprises two circular steel rings and a plurality of bolt caps, and the bolt caps are fixed between the two circular steel rings; the annular hoops are parallelly fixed on the main ribs of the reinforcing cylinders, and the main ribs of the reinforcing cylinders are uniformly distributed in the circumferential direction; the reinforcement cylinder is detachably connected with the reinforcement cage and the GFRP reinforcement cage through the fixed connecting piece. In the hoisting process of the reinforcement cage, the bending moment born by the GFRP reinforcement cage part can be shared by the reinforcement cylinder to increase the rigidity of the part, and the brittle failure of the GFRP reinforcement cage part caused by stress bending in the hoisting process is avoided. Meanwhile, the reinforcing cylinder is convenient to assemble and disassemble, can be repeatedly recycled and is low in manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a meshed pile reinforcement cage with a rigidity reinforcing device.
Background
The enclosure structure of the underground station of the subway and the intercity railway generally adopts a secant pile or an underground continuous wall; in a station with a large foundation pit depth, the engagement pile reinforcement cage of the building enclosure usually adopts a configuration form of upper steel bars, GFRP bars at shield tunnel portal positions and lower steel bars so as to facilitate the cutting of the building enclosure by the shield machine. Because the meshed pile reinforcement cage at the position of the shield tunnel portal adopts GFRP (glass fiber reinforced plastics) bars, the lifting measure of the conventional meshed pile reinforcement cage is three-point lifting, the GFRP main bars and stirrups thereof need to bear huge bending moment generated in the lifting process, the rigidity of the GFRP bars is smaller, and the GFRP bar parts are easy to be subjected to brittle failure due to stress bending in the whole cage lifting process of the meshed pile reinforcement cage, so that the whole meshed pile reinforcement cage is damaged, and serious lifting safety accidents can happen.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the meshed pile reinforcement cage with the rigidity reinforcing device, and solves the problem that the GFRP rib part is easy to be subjected to brittle failure due to stress bending in the lifting process in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the meshed pile reinforcement cage comprises a reinforcement cage and a GFRP reinforcement cage connected with the reinforcement cage, wherein the GFRP reinforcement cage is internally provided with a rigid reinforcement device, and the rigid reinforcement device comprises a reinforcement cylinder;
the reinforcing cylinder comprises an annular clamp and a reinforcing cylinder main rib, the annular clamp comprises two circular steel rings and a plurality of bolt caps, and the bolt caps are fixed between the two circular steel rings; the annular hoops are parallelly fixed on the main ribs of the reinforcing cylinders, and the main ribs of the reinforcing cylinders are uniformly distributed in the circumferential direction; the reinforcement cylinder is detachably connected with the reinforcement cage and the GFRP reinforcement cage through the fixed connecting piece.
The utility model has the advantages that: the inside at GFRP muscle cage has set up a reinforcement section of thick bamboo in this scheme, and reinforcement section of thick bamboo passes through fixed connection spare and GFRP muscle cage and steel reinforcement cage detachable connection. In the hoisting process of the reinforcement cage, the bending moment born by the GFRP reinforcement cage part can be shared by the reinforcement cylinder to increase the rigidity of the part, and the brittle failure of the GFRP reinforcement cage part caused by stress bending in the hoisting process is avoided. Meanwhile, the reinforcing cylinder is convenient to assemble and disassemble, can be repeatedly recycled and is low in manufacturing cost.
Further, the secant pile cage includes two cages connected to both ends of the GFRP cage, respectively. The middle part of the engaged pile reinforcement cage is provided with a GFRP reinforcement cage, and the GFRP reinforcement cage is positioned at the position of a shield tunnel portal after entering a groove, so that the shield machine is convenient to cut.
Further, the steel reinforcement cage includes many ring-shaped evenly distributed's reinforcing bar owner muscle, and the outside spiral of reinforcing bar owner muscle is fixed with reinforcing bar spiral stirrup, and the inboard of reinforcing bar owner muscle is fixed with a plurality of reinforcing stirrups that are parallel to each other.
The beneficial effects of the technical scheme are as follows: in the manufacturing process of the reinforcement cage, annular reinforcing stirrups are processed firstly, then the reinforcing steel bar main reinforcements are fixed on the reinforcing stirrups, finally the reinforcing steel bar spiral stirrups are fixed on the outer sides of the reinforcing steel bar main reinforcements in a spiral mode, the strength of the reinforcement cage structure is further improved, and the mode is convenient to process and saves time and labor.
Further, the GFRP reinforcement cage has the same structure as the reinforcement cage.
Further, both ends of the GFRP main reinforcement of the GFRP reinforcement cage are overlapped with one end of the steel bar main reinforcement, the overlap length is more than or equal to 43d, and d is the diameter of the steel bar main reinforcement. The scheme can meet the strength requirement and save materials as much as possible through reasonable design of the lap joint length.
Further, the fixed connecting piece is a split bolt, the split bolt comprises a mountain-shaped piece and a screw rod, the screw rod is connected with a bolt cap in the reinforcing cylinder in a matched mode, the mountain-shaped piece is arranged on one side of the screw rod, and the mountain-shaped piece is buckled on the GFRP main rib and the steel bar main rib at the lap joint part of the GFRP main rib and is locked and fixed through a screw cap.
The beneficial effects of the technical scheme are as follows: after the GFRP reinforcement cage is vertically lowered into the groove, the split bolt can be disassembled. After the opposite-pulling screw is disassembled, the reinforcing cylinder can be taken out and reused for a plurality of times. In addition, the shape of the mountain-shaped piece of the opposite-pulling screw rod is matched with the shapes of the main steel bar ribs and the GFRP main steel bars, and after the opposite-pulling screw rod is locked and fixed, the mountain-shaped piece can be buckled on the main steel bars without damaging the main steel bars.
Further, a steel strand sling and a lifting hook connected with the sling are arranged at the top of the reinforcing cylinder, the sling is tied at the top of the upper steel reinforcement cage, and the reinforcing cylinder can be hung on the upper steel reinforcement cage through the sling after the counter-pulling screw is removed; the lifting hook is convenient to lift the reinforcement cylinder which is already put into the groove and detached out of the groove, and the reinforcement cylinder can be used for lifting next time after being washed.
Further, the main rib of the reinforcing cylinder is fixed on the outer side of the annular clamp, so that the installation and the processing are convenient.
Further, the arrangement density of the annular clamp at the overlapping position of the GFRP reinforcement cage and the reinforcement cage is larger than that of other parts, so that the fixing strength of the overlapping position is improved.
Drawings
FIG. 1 is a schematic view of a pile cage provided with a stiffening means;
FIG. 2 is a front view of the reinforcement cylinder;
FIG. 3 is a top view of the reinforcement cylinder;
1, a reinforcement cage; 2.GFRP reinforcement cage; 3. a reinforcement cylinder; 4. an annular clamp; 5. a round steel ring; 6. a bolt cap; 7. a split bolt; 8. reinforcing the main rib of the cylinder; 9. a reinforcing steel bar main reinforcement; 10. GFRP main rib; 11. spiral stirrups of the steel bars; 12. reinforcing stirrups.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1, the engaged pile reinforcement cage of the scheme comprises two reinforcement cages 1 and a GFRP reinforcement cage 2, wherein the two reinforcement cages 1 are respectively connected to two ends of the GFRP reinforcement cage 2, and the GFRP reinforcement cage 2 is positioned at a shield tunnel portal position after entering a slot, so that the shield machine is convenient to cut. The reinforcement cage 1 comprises a plurality of annular evenly distributed reinforcement main reinforcements 9, reinforcement spiral stirrups 11 are welded on the outer sides of the reinforcement main reinforcements 9 in a spiral mode, and a plurality of mutually parallel reinforcing stirrups 12 are welded on the inner sides of the reinforcement main reinforcements 9. The GFRP reinforcement cage 2 has the same structure as the reinforcement cage 1.
In the manufacturing process of the reinforcement cage 1, the annular reinforcing stirrup 12 is processed firstly, then the reinforcement main reinforcement 9 is welded on the reinforcing stirrup 12, and finally the outer side of the reinforcement main reinforcement 9 is welded on the reinforcement spiral stirrup 11 in a spiral mode, so that the strength of the reinforcement cage 1 structure is further improved, and the processing is facilitated in the mode.
In a specific embodiment, the end of the GFRP main rib 10 is overlapped with one end of the steel bar main rib 9, the overlap length is 43d or more, d is the diameter of the steel bar main rib 9, and the reasonable overlap length is calculated and designed, so that the steel bar main rib can meet the strength requirement and save materials as much as possible.
As shown in fig. 3, the GFRP reinforcement cage 2 is provided with a rigidity reinforcing means including a reinforcing cylinder 3; as shown in fig. 2 and 3, the reinforcing cylinder 3 includes an annular collar 4 and a reinforcing cylinder main rib 8, and the reinforcing cylinder main rib 8 is welded to the outer side of the annular collar 4. The annular clamp 4 comprises two round steel rings 5 and a plurality of bolt caps 6, the plurality of bolt caps 6 are welded between the two round steel rings 5, the plurality of annular clamps 4 are welded on the main reinforcement ribs 8 of the reinforcing cylinder in parallel, and the plurality of main reinforcement ribs 8 of the reinforcing cylinder are uniformly distributed in an annular mode; the annular clamp 4 is uniformly arranged on the main reinforcement 8 of the reinforcement cylinder, and the arrangement density of the annular clamp 4 at the lap joint part of the GFRP reinforcement cage 2 and the GFRP reinforcement cage 1 is greater than that of other parts, so that the connection between the GFRP reinforcement cage 2 and the GFRP reinforcement cage 1 is firmer. The reinforcement cylinder 3 is detachably connected with the reinforcement cage 1 and the GFRP reinforcement cage 2 through fixed connectors.
Specifically, the fixed connecting piece is preferably an M14 split bolt 7, the split bolt 7 comprises a mountain-shaped piece and a screw rod, the screw rod is connected with the bolt cap 6 in the reinforcing cylinder 3 in a matched mode, the mountain-shaped piece is arranged on one side of the screw rod, the mountain-shaped piece is fastened on the GFRP main rib 10 and the steel bar main rib 9 at the lap joint part of the GFRP main rib 10, and the mountain-shaped piece is locked and fixed through a screw cap. The shape of the mountain-shaped part of the opposite-pulling screw rod is matched with the shapes of the main steel bar ribs and the GFRP main steel bars, and after the opposite-pulling screw rod is locked and fixed, the mountain-shaped part can be buckled on the main steel bars without damaging the main steel bars.
The rigidity of the reinforcement cylinder 3 is high, and the bending moment born by the GFRP reinforcement cage 2 during hoisting can be shared by the reinforcement cylinder 3 to increase the rigidity of the part, so that brittle failure caused by stress bending of the GFRP reinforcement cage 2 during hoisting is avoided. Meanwhile, the split bolts 7 of the reinforcing cylinder 3 are convenient to assemble and disassemble, so that the reinforcing cylinder 3 can be repeatedly recycled and is low in manufacturing cost.
In practice, the steel strand slings and hooks are preferably mounted on the top of the reinforcement cylinder 3, and the slings are tied to the top of the upper reinforcement cage 1. In the vertical lowering process of the utility model, when the split bolt 7 is lowered to the top of the notch, the steel reinforcement cage 1 or the GFPR reinforcement cage 2 is fixed by adopting the profile steel, and the split bolt 7 is disassembled and then is continuously lowered until the cage body of the upper steel reinforcement cage 1 is completely lowered to the designed elevation. After the counter-pulling screw rod 7 is detached, the reinforcing cylinder 3 can be hung on the upper steel reinforcement cage 1 through a sling, then the reinforcing cylinder 3 is lifted out of the groove by using lifting equipment, and the counter-pulling screw rod can be used for lifting the reinforcing cylinder 3 next time after being washed by a lifting hook.
The working principle of the utility model is as follows: after the upper and lower steel reinforcement cages 1 and the middle GFRP steel reinforcement cage 2 are processed, the reinforcement cylinder 3 is sleeved into the GFRP steel reinforcement cage 2, then the upper and lower steel reinforcement cages 1 and the GFRP steel reinforcement cage 2 are connected according to normal procedures, after the processing is finished, the M14 split bolts 7 are screwed into the bolt caps 6, and the reinforcement cylinder 3 is fastened with the GFRP steel reinforcement cage 2 and the overlapping part of the steel reinforcement cages 1 and the GFRP steel reinforcement cage 2. And (3) carrying out integral hoisting after the ground is assembled, wherein a conventional reinforcement cage hoisting process is adopted during hoisting, and the dead weight of the reinforcement cylinder 3 is required to be considered during hoisting checking calculation. When the reinforcing cage 1 is put into the groove, the split bolts 7 are disassembled and put down, and after all the reinforcing cage 1 is put into the groove, the reinforcing cylinder 3 is lifted out of the groove, and the reinforcing cylinder 3 is reused.
In summary, the reinforcement cylinder 3 which is reusable, convenient to install and detach and is internally arranged in the GFRP reinforcement cage 2 is adopted in the scheme, so that the rigidity of the GFRP reinforcement cage 2 is enhanced, and the damage caused by stress bending in the lifting process is avoided.
Claims (9)
1. The utility model provides a interlock stake steel reinforcement cage with rigidity reinforcing apparatus, includes steel reinforcement cage (1) and GFRP muscle cage (2) that are connected with steel reinforcement cage (1), its characterized in that: a rigidity reinforcing device is arranged in the GFRP reinforcement cage (2), and comprises a reinforcing cylinder (3);
the reinforcing cylinder (3) comprises an annular clamp (4) and a reinforcing cylinder main rib (8), the annular clamp (4) comprises two round steel rings (5) and a plurality of bolt caps (6), the bolt caps (6) are fixed between the two round steel rings (5), the annular clamp (4) is parallelly fixed on the reinforcing cylinder main rib (8), and the reinforcing cylinder main ribs (8) are uniformly distributed in the circumferential direction; the reinforcement cylinder (3) is detachably connected with the reinforcement cage (1) and the GFRP reinforcement cage (2) through fixed connectors.
2. A snap pile cage provided with stiffening means as claimed in claim 1, wherein: the meshed pile reinforcement cage comprises two reinforcement cages (1) which are respectively connected to two ends of the GFRP reinforcement cage (2).
3. A snap pile cage provided with stiffening means as claimed in claim 1, wherein: the steel reinforcement cage (1) comprises a plurality of steel reinforcement main reinforcements (9) which are uniformly distributed in an annular shape, the outer sides of the steel reinforcement main reinforcements (9) are spirally fixed with steel reinforcement spiral stirrups (11), and the inner sides of the steel reinforcement main reinforcements (9) are uniformly fixed with a plurality of mutually parallel reinforcing stirrups (12).
4. A snap pile cage provided with stiffening means as claimed in claim 3, wherein: the GFRP reinforcement cage (2) and the reinforcement cage (1) have the same structure.
5. A snap pile cage provided with stiffening means as claimed in claim 3, wherein: both ends of the GFRP main rib (10) of the GFRP rib cage (2) are overlapped with one end of the steel bar main rib (9), the overlap length is more than or equal to 43d, and d is the diameter of the steel bar main rib (9).
6. A snap pile cage provided with stiffening means as claimed in claim 5, wherein: the fixing connecting piece is a split bolt (7), the split bolt (7) comprises a mountain-shaped piece and a screw rod, the screw rod is connected with a bolt cap (6) in the reinforcing cylinder (3) in a matched mode, the mountain-shaped piece is arranged on one side of the screw rod, and the mountain-shaped piece is buckled on the GFRP main rib (10) and a reinforcing steel bar main rib (9) at the lap joint part of the GFRP main rib (10) and is locked and fixed through a screw cap.
7. A snap pile cage provided with stiffening means as claimed in claim 2, wherein: the top of the reinforcement cylinder (3) is provided with a sling and a lifting hook connected with the sling, and the sling is tied at the top of the upper reinforcement cage (1).
8. A snap pile cage provided with stiffening means as claimed in claim 1, wherein: the reinforcing cylinder main rib (8) is fixed on the outer side of the annular clamp (4).
9. A snap pile cage provided with stiffening means as claimed in claim 1, wherein: the arrangement density of the annular clamp (4) at the lap joint of the GFRP reinforcement cage (2) and the reinforcement cage (1) is greater than that of other parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003318.6U CN219909625U (en) | 2023-04-27 | 2023-04-27 | Engaged pile reinforcement cage with rigidity reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003318.6U CN219909625U (en) | 2023-04-27 | 2023-04-27 | Engaged pile reinforcement cage with rigidity reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219909625U true CN219909625U (en) | 2023-10-27 |
Family
ID=88427804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321003318.6U Active CN219909625U (en) | 2023-04-27 | 2023-04-27 | Engaged pile reinforcement cage with rigidity reinforcing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219909625U (en) |
-
2023
- 2023-04-27 CN CN202321003318.6U patent/CN219909625U/en active Active
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