CN216041371U - Welding-free counter force conduction structure of prestressed pipe pile - Google Patents
Welding-free counter force conduction structure of prestressed pipe pile Download PDFInfo
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- CN216041371U CN216041371U CN202121591139.XU CN202121591139U CN216041371U CN 216041371 U CN216041371 U CN 216041371U CN 202121591139 U CN202121591139 U CN 202121591139U CN 216041371 U CN216041371 U CN 216041371U
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Abstract
The utility model relates to the technical field of prestressed pipe piles, and discloses a welding-free counterforce conduction structure of a prestressed pipe pile, which comprises a counterforce steel disc, wherein the counterforce steel disc is provided with a vertical hole and a plurality of notch grooves; the core-filling steel bars are embedded in the notch grooves; the core-filling steel bar penetrates through the counter-force steel disc to form a connecting section; the connecting section of the core-filling steel bar is fixedly connected with an anchorage device to keep the core-filling steel bar and the counter-force steel disc relatively fixed; the reaction steel disc penetrates through the reaction main rib and is relatively fixed with the reaction steel disc; when the core filling steel bar of the pile head needs to conduct reverse pulling force, the extension steel bar does not need to be welded, the force application system is directly connected with the counter-force main bar, the reverse pulling force is conducted, the welding time is shortened, the construction efficiency is high, the counter-force steel disc and the counter-force main bar can be repeatedly used, the core filling steel bar does not need to be lengthened, the material cost is reduced, welding is not needed, the assembly and disassembly are simple and convenient, and the installation and detection labor cost is saved.
Description
Technical Field
The utility model relates to the technical field of prestressed pipe piles, in particular to a welding-free reaction force conduction structure of a prestressed pipe pile.
Background
The prestressed pipe pile has been widely used in pile foundation engineering due to its advantages of high construction speed, low comprehensive cost, convenience for field management, etc., and the prestressed pipe pile is also more and more commonly used as a uplift pile. In the traditional uplift static load test of the prestressed pipe pile, the core-filling reinforcing steel bars reserved at the pile head are too short, so that the reinforcing steel bars need to be prolonged by welding on site.
In the prior art, the welding extension reinforcing steel bars are adopted for conducting reverse tension, the core-filling reinforcing steel bars at the top of the prestressed pipe pile need to be welded with the extension reinforcing steel bars, the on-site preparation time is long, certain potential safety hazards exist in the welding process, meanwhile, a certain quantity of reinforcing steel bars need to be consumed, and if the welding operation is improper, the welded part is easy to be detached in the test process, so that the pulling-resistant static load test is difficult to carry out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a welding-free counterforce transmission structure of a prestressed pipe pile, and aims to solve the problem that in the prior art, when core-filling reinforcing steel bars on a pile head of the prestressed pipe pile transmit reverse pulling force, extension reinforcing steel bars need to be welded.
The utility model is realized in such a way that the welding-free counterforce conduction structure of the prestressed pipe pile comprises a counterforce steel disc, wherein the middle part of the counterforce steel disc is provided with a vertical hole, the periphery of the counterforce steel disc is provided with a plurality of notch grooves, and the notch grooves are arranged at intervals along the periphery of the counterforce steel disc; the prestressed pipe pile is provided with a pile head, and the pile head is provided with a plurality of upward extending core filling reinforcing steel bars which are surrounded at intervals; the counterforce steel disc is arranged among the core-filling steel bars, and the core-filling steel bars are correspondingly embedded into the gap grooves respectively; the core-filling steel bars penetrate through the counterforce steel disc to form a connecting section above the counterforce steel disc;
the connecting section of the core-filling steel bar is fixedly connected with an anchorage device, the anchorage device is downwards abutted against the counter-force steel disc, and the core-filling steel bar and the counter-force steel disc are kept relatively fixed; and a reaction main rib which is vertically arranged penetrates through a vertical hole of the reaction steel disc, and the reaction main rib penetrates through the vertical hole and is relatively fixed with the reaction steel disc.
Further, the bottom of the reaction steel disc is connected with a lower sleeve, and the reaction main rib downwards penetrates through the vertical hole and the lower sleeve according to the sequence.
Further, the upper end of the lower sleeve is fixedly connected with the reaction steel disc, a vertically arranged lower threaded hole is formed in the lower sleeve, the lower threaded hole is communicated with the vertical hole in an aligned mode, external threads are arranged on the periphery of the main counter-force rib, and the main counter-force rib is in threaded connection with the lower sleeve.
Further, the bottom of the main counter force rib penetrates through the bottom of the lower sleeve and is provided with a lower extension section extending below the lower sleeve.
Furthermore, an embedding sleeve is embedded in the center of the top of the pile head, an embedding threaded hole with a closed bottom and an open top is formed in the embedding sleeve, and the threaded hole is vertically arranged; the top of the embedding threaded hole is exposed at the top of the pile head, and the lower extension section of the counter-force main rib is screwed into the embedding sleeve and is pressed against the bottom of the embedding sleeve.
Furthermore, the periphery of the lower sleeve is sleeved with a reinforcing cylinder, the upper end of the reinforcing cylinder is fixedly connected with the counterforce steel disc, and the lower end of the reinforcing cylinder is fixedly connected with the lower end of the lower sleeve.
Furthermore, a plurality of abutting rings which are arranged at intervals up and down are convexly arranged on the inner side wall of the reinforcing cylinder, and the abutting rings are abutted against the periphery of the lower sleeve.
Furthermore, the anchorage device comprises an anchor cylinder sleeved outside the connecting section of the core-filling steel bar, an anchor hole is formed in the anchor cylinder, and an anchoring gap is formed between the inner side wall of the anchor hole and the periphery of the connecting section of the core-filling steel bar; a plurality of clamping pieces are inserted into the anchoring gap and are arranged at intervals along the circumferential direction of the anchor cylinder, the lower parts of the clamping pieces are inserted into the anchoring gap, and the upper parts of the clamping pieces are exposed above the anchor cylinder;
the clamping piece is provided with a clamping wall facing the core filling steel bar, the clamping wall is vertically arranged, and a plurality of convex strips which are vertically arranged at intervals are arranged on the clamping wall; the clamping piece is provided with an anchoring wall which is far away from the core-filling reinforcing steel bar, and the anchoring wall is inclined towards the core-filling reinforcing steel bar along the direction from top to bottom;
the clamping wall of the clamping piece is pressed on the periphery of the connecting section of the core-filling steel bar, the periphery of the connecting section of the core-filling steel bar is provided with bulges, the bulges are embedded between the adjacent raised lines, and the top edge of the anchor hole is pressed on the anchoring wall of the clamping piece.
Furthermore, the bottom of the clamping piece is connected with an inclined deformation plate, and the inclined deformation plate is obliquely arranged away from the counter-force main rib along the direction from top to bottom of the anchor hole; the horizontal width of the inclined deformation plate is equal to the anchoring gap; the inclined deformation plate is arranged in the anchoring gap, the inner end of the inclined deformation plate is abutted to the periphery of the counter-force main rib, and the outer end of the inclined deformation plate is abutted to the inner side wall of the anchor hole.
Furthermore, the middle part of the inclined deformation plate is bent, and a bent part protruding downwards is formed; after the inclined deformation plate is embedded into the anchor hole, the inclined deformation plate bends and deforms downwards by taking the bent part as a bending deformation center.
Compared with the prior art, the welding-free counterforce conduction structure of the prestressed pipe pile, provided by the utility model, has the advantages that when the core-filling reinforcing steel bar of the pile head needs to conduct the reverse pulling force, the extension reinforcing steel bar does not need to be welded on the core-filling reinforcing steel bar, the force application system is directly connected with the counterforce main bar, the upward reverse pulling force can be conducted, the welding time is reduced, the construction efficiency is high, the counterforce steel disc and the counterforce main bar can be repeatedly used, the core-filling reinforcing steel bar does not need to be lengthened, the material cost is reduced, the welding is not needed, the assembly and disassembly are simple and convenient, and the installation and detection labor cost is saved.
Drawings
Fig. 1 is a schematic diagram of the welding-free reaction force transmission structure of the prestressed pipe pile provided by the utility model applied to a pulling-resistant static load test of the prestressed pipe pile;
FIG. 2 is a schematic front view of a reaction steel disc provided by the present invention;
FIG. 3 is a schematic view of the reaction steel disc and the lower sleeve provided by the present invention;
fig. 4 is a schematic view of the structure of the clip, the core-filled steel bar and the anchor barrel provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, preferred embodiments of the present invention are shown.
Welding resistance to plucking static load test device is exempted from to prestressing force tubular pile, including reaction steel disc 500, the middle part of reverse steel disc 500 is equipped with vertical hole 504, and reaction steel disc 500's periphery is equipped with a plurality of breach grooves 503, and a plurality of breach grooves 503 are arranged along reaction steel disc 500's periphery interval.
The prestressed pipe pile 100 is provided with a pile head 106, the pile head 106 is provided with a plurality of core-filling reinforcing steel bars 101 which extend upwards and are surrounded at intervals, a reaction steel disc 500 is arranged among the core-filling reinforcing steel bars 500, the core-filling reinforcing steel bars 101 penetrate through the reaction steel disc 500, the core-filling reinforcing steel bars 101 respectively penetrate through the gap grooves 503 correspondingly and are embedded in the gap grooves 503 to form a connecting section 1011 positioned above the reaction steel disc 500;
the connecting section 1011 of the core-filling steel bar 101 is fixedly connected with an anchorage device 200, the anchorage device 200 is downward abutted against the reaction steel disc 500, and the core-filling steel bar 101 and the reaction steel disc 500 are kept relatively fixed; the reaction steel disc 500 has vertical holes 504 through which the vertically arranged reaction main ribs 300 pass, and the reaction main ribs 300 pass through the vertical holes 504 and are fixed relative to the reaction steel disc 500.
Above-mentioned prestressing force tubular pile exempts from to weld counter-force conduction structure that provides, when the reverse pulling force of core filling reinforcing bar 101 conduction of needs to pile head 106, then need not weld the extension reinforcing bar on core filling reinforcing bar 101, directly be connected force application system and counter-force owner muscle 300, the reverse pulling force of conduction up then can, reduce the welding time, the efficiency of construction is high, and counter-force steel disc 500 and counter-force owner muscle 300 repeatedly usable, and need not to connect long core filling reinforcing bar 101, the material cost has been reduced, need not the welding, the dismouting is simple and convenient, the installation has been saved and the human cost that detects.
In the actual construction process, for example, when a pulling static load test needs to be performed on the prestressed pipe pile, a main beam 400 can be arranged above the core-filled steel bars, the main counterforce rib 300 penetrates through the main beam 400 and is provided with an upward extending section above the main beam 400, and the jack 104 is connected with the upward extending section of the main counterforce rib 300; the top of the pile head 106 is provided with a displacement sensor 600, the jack 104 presses the main beam 400 downwards, and the displacement sensor 600 monitors the settlement amount of the pile head 106.
Or, when other structures or operations need to be performed on the prestressed tubular pile 100, the counter-force main bars may be used to achieve the counter-force, and the specific arrangement is not limited to the structures of the main beams 400 and the jacks 104, but may also be other force application systems.
The bottom of the reaction steel disc 500 is connected with a lower sleeve 506; the main reaction rib 300 sequentially passes through the vertical hole 504 and the lower sleeve 506, and the main reaction rib 300 and the reaction steel plate 500 are relatively fixed.
The upper end of the lower sleeve 506 is fixedly connected with the reaction steel disc 500, a vertically arranged lower threaded hole is formed in the lower sleeve 506, the lower threaded hole is aligned and communicated with the vertical hole 504, and external threads are formed in the periphery of the reaction main rib 300; in step 5), the reaction force main rib 300 is screwed with the lower sleeve 506. Through threaded connection, be convenient for the connection of reaction owner muscle 300 and lower sleeve 506, the periphery of whole reaction owner muscle 300 all is equipped with the external screw thread.
The bottom of the reaction main rib 300 passes through the bottom of the lower sleeve 506 and has a lower extension extending below the lower sleeve 506, so as to avoid the reaction steel disc 500 from directly abutting on the top of the pile head 106.
An embedded sleeve is embedded in the center of the top of the pile head 106, an embedded threaded hole with a closed bottom and an open top is formed in the embedded sleeve, and the threaded hole is vertically arranged; the top of the embedded threaded hole is exposed at the top of the pile head; in step 5), after the lower section of the main reaction rib 300 abuts against the top of the pile head, the main reaction rib 300 continues to rotate downwards, and the lower section of the main reaction rib 300 is screwed into the embedded sleeve until the bottom of the lower section abuts against the bottom of the embedded sleeve.
In this way, through the connection between the main reaction rib 300 and the embedding sleeve, the main reaction rib 300 can be kept in the experiment process, the coaxial arrangement with the prestressed pipe pile 100 can be always kept, the deviation or the inclination phenomenon can not occur, moreover, even if the reaction steel disc 500 is in the inclined state in the installation process due to the deformation phenomenon of the core filling steel bar 101, the reaction steel disc 500 can be adjusted to be in the horizontal state through the screw thread precession connection of the main reaction rib 300 and the embedding sleeve, in addition, the main reaction rib 300 is connected with the prestressed pipe pile 100 into a whole through the reaction steel disc 500 and the core filling steel bar 101, and the main reaction rib 300 is further connected with the prestressed pipe pile 100 into a whole through the connection with the embedding sleeve.
A reinforcing cylinder 505 is sleeved on the periphery of the lower sleeve 506, the upper end of the reinforcing cylinder 505 is fixedly connected with the reaction steel disc 500, and the lower end of the reinforcing cylinder 505 is fixedly connected with the lower end of the lower sleeve 506; strengthen a protruding butt ring 507 that is equipped with a plurality of upper and lower interval arrangements of the inside wall of section of thick bamboo 505, butt ring 507 supports and presses the periphery at lower sleeve 506, like this, strengthens a section of thick bamboo 505 through setting up, can make the cooperation between lower sleeve 506 and the main muscle 300 of counter force more firm, avoids appearing crooked phenomenon.
The reaction force steel plate 500 is horizontally placed between the plurality of core-filling reinforcing bars 101, and the core-filling reinforcing bars 101 are inserted into the notch groove 503 from the bottom to the top, so as to be embedded into the notch groove 503. The cutaway groove 503 has a steel disc opening formed in the outer periphery of the reaction steel disc 500, and the width of the steel disc opening of the reaction steel disc 500 is smaller than the diameter of the filler steel 101.
Since the reaction steel disc 500 is disposed in the middle of the plurality of core-filling bars 101, the closer to the top of the pile head 106, the greater the outward expansion deformation of the core-filling bars 101, and the reaction steel disc 500 is disposed upward, so that the portions of the core-filling bars 101 inserted into the notch grooves 503 are vertically disposed.
The anchorage device 200 comprises an anchor cylinder 201 sleeved outside the connecting section 1011 of the core-filling steel bar 101, an anchor hole is formed in the anchor cylinder 201, and an anchor clearance 204 is formed between the inner side wall of the anchor hole and the periphery of the connecting section 1011 of the core-filling steel bar 101; a plurality of clamping pieces 202 are inserted into the anchoring gap 204, the clamping pieces 202 are arranged at intervals along the circumferential direction of the anchor cylinder 201, the lower parts of the clamping pieces 202 are inserted into the anchoring gap 204, and the upper parts of the clamping pieces 202 are exposed above the anchor cylinder 201;
the clamping piece 202 is provided with a clamping wall facing the core filling steel bar 101, the clamping wall is vertically arranged, and a plurality of convex strips 205 which are arranged at intervals up and down are arranged on the clamping wall; the clip 202 has an anchoring wall facing away from the core filler 101, the anchoring wall being inclined towards the core filler 101 in a top-down direction;
the clamping wall of the clamping piece 202 is pressed against the periphery of the connecting section 1011 of the core-filling steel bar 101, the periphery of the connecting section 1011 of the core-filling steel bar 101 is provided with a protrusion, the protrusion is embedded between the adjacent convex strips 205, and the top edge of the anchor hole is pressed against the anchoring wall of the clamping piece 202.
After the anchor cylinder 201 is sleeved on the periphery of the connecting section 1011, the bottom of the anchor cylinder 201 abuts against the reaction steel disc 500, at the moment, the lower parts of the clamping pieces 202 are embedded into the anchoring gap 204 from top to bottom, along with downward embedding of the clamping pieces 202, as the anchoring walls of the clamping pieces 202 are inclined, under the extrusion of the top edge of the anchor hole, the clamping walls of the clamping pieces 202 are clamped on the periphery of the connecting section 1011 of the core-filled steel bar 101 more and more tightly, and as the periphery of the core-filled steel bar 101 is provided with the protrusions, the protrusions can be embedded between the adjacent convex strips 205, so that the core-filled steel bar 101 can be better clamped by the anchorage device 200.
The bottom of the clamping piece 202 is connected with an inclined deformation plate 203, and the inclined deformation plate 203 is obliquely arranged away from the counter-force main rib 300 along the direction from top to bottom of the anchor hole; the horizontal width of the inclined deformation plate 203 is equal to the anchoring gap 204; the inclined deformation plate 203 is arranged in the anchoring gap 204, the inner end of the inclined deformation plate 203 abuts against the periphery of the reaction main rib 300, and the outer end of the inclined deformation plate 203 abuts against the inner side wall of the anchor hole.
Like this, along with the continuous embedding downwards of clamping piece 202, the centre gripping wall of clamping piece 202 can grasp the steel bar 101 of banketing, and simultaneously, slope deformation board 203 is in the anchor eye, through the extrusion between the inside wall of the periphery of steel bar 101 of banketing and anchor eye, realizes the secondary centre gripping to steel bar 101 of banketing for ground tackle 200 centre gripping steel bar 101 that can be better, also can avoid because the factor of external vibrations leads to clamping piece 202 to break away from the phenomenon that comes out from anchor clearance 204.
The middle part of the inclined deformation plate 203 is bent, and a bent part protruding downwards is formed; after the slope deformation board 203 is embedded in the anchor eye, the inner of slope deformation board 203 receives the extrusion of core-filling reinforcing bar 101, and the outer end of slope deformation board 203 receives the extrusion of the inside wall of anchor eye, and slope deformation board 203 uses the department of buckling as the bending deformation center, bending deformation downwards for the horizontal width increase of slope deformation piece, but the size of anchor clearance 204 does not change, thereby, the slope deformation piece then warp extrusion core-filling reinforcing bar 101, and the centre gripping is more firm.
When the welding-free counterforce conduction structure of the prestressed pipe pile is applied to a pulling-resistant static load test of the prestressed pipe pile, the counterforce main rib upwards penetrates through the main beam and is provided with an upward extending section extending to the upper part of the main beam. A downward pressing steel plate 1041 is sleeved on the upper extending section of the counter force main rib 300, and the downward pressing steel plate 1041 abuts against the jack 104 downwards; the upper extending section of the main counterforce rib 300 is sleeved with a lower pressing cylinder 1042, the lower pressing cylinder 1042 is in threaded connection with the main counterforce rib 300 and presses a lower pressing steel plate 1041 downwards, so that the main counterforce rib 300 and the jack 104 are relatively fixed. In this way, the lower pressing cylinder 1042 presses the lower pressing steel plate 1041 downwards, so that the jack 104 is stably placed on the main beam 400.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The welding-free counterforce conduction structure of the prestressed pipe pile is characterized by comprising a counterforce steel disc, wherein a vertical hole is formed in the middle of the counterforce steel disc, a plurality of notch grooves are formed in the periphery of the counterforce steel disc, and the notch grooves are arranged at intervals along the periphery of the counterforce steel disc; the prestressed pipe pile is provided with a pile head, and the pile head is provided with a plurality of upward extending core filling reinforcing steel bars which are surrounded at intervals; the counterforce steel disc is arranged among the core-filling steel bars, and the core-filling steel bars are correspondingly embedded into the gap grooves respectively; the core-filling steel bars penetrate through the counterforce steel disc to form a connecting section above the counterforce steel disc;
the connecting section of the core-filling steel bar is fixedly connected with an anchorage device, the anchorage device is downwards abutted against the counter-force steel disc, and the core-filling steel bar and the counter-force steel disc are kept relatively fixed; and a reaction main rib which is vertically arranged penetrates through a vertical hole of the reaction steel disc, and the reaction main rib penetrates through the vertical hole and is relatively fixed with the reaction steel disc.
2. The welding-free reaction force conduction structure of the prestressed pipe pile of claim 1, wherein a lower sleeve is connected to the bottom of the reaction steel disc, and the reaction main rib passes through the vertical hole and the lower sleeve in sequence from bottom to top.
3. The welding-free reaction force conduction structure of the prestressed tubular pile according to claim 2, wherein the upper end of the lower sleeve is fixedly connected with the reaction steel disc, a vertically arranged lower threaded hole is formed in the lower sleeve, the lower threaded hole is communicated with the vertical hole in an aligned manner, an external thread is arranged on the periphery of the reaction main rib, and the reaction main rib is in threaded connection with the lower sleeve.
4. The welding-free reaction force conduction structure of the prestressed pipe pile of claim 3, wherein the bottom of the reaction main bar penetrates through the bottom of the lower sleeve and has a lower extension extending below the lower sleeve.
5. The welding-free counterforce transmission structure of the prestressed tubular pile as recited in claim 4, wherein an embedded sleeve is embedded in the center position of the top of the pile head, an embedded threaded hole with a closed bottom and an open top is arranged in the embedded sleeve, and the threaded hole is vertically arranged; the top of the embedding threaded hole is exposed at the top of the pile head, and the lower extension section of the counter-force main rib is screwed into the embedding sleeve and is pressed against the bottom of the embedding sleeve.
6. The welding-free counterforce transmission structure of the prestressed tubular pile according to any one of claims 2 to 5, wherein a reinforcing cylinder is sleeved on the periphery of the lower sleeve, the upper end of the reinforcing cylinder is fixedly connected with the counterforce steel disc, and the lower end of the reinforcing cylinder is fixedly connected with the lower end of the lower sleeve.
7. The welding-free counterforce transmission structure of the prestressed pipe pile as recited in claim 6, wherein a plurality of abutting rings arranged at intervals up and down are convexly arranged on the inner side wall of the reinforcing cylinder, and the abutting rings abut against the periphery of the lower sleeve.
8. The welding-free counterforce transmission structure of the prestressed pipe pile as claimed in any one of claims 1 to 5, wherein the anchor device comprises an anchor cylinder sleeved outside the connecting section of the core-filled steel bar, an anchor hole is arranged in the anchor cylinder, and an anchoring gap is formed between the inner side wall of the anchor hole and the periphery of the connecting section of the core-filled steel bar; a plurality of clamping pieces are inserted into the anchoring gap and are arranged at intervals along the circumferential direction of the anchor cylinder, the lower parts of the clamping pieces are inserted into the anchoring gap, and the upper parts of the clamping pieces are exposed above the anchor cylinder;
the clamping piece is provided with a clamping wall facing the core filling steel bar, the clamping wall is vertically arranged, and a plurality of convex strips which are vertically arranged at intervals are arranged on the clamping wall; the clamping piece is provided with an anchoring wall which is far away from the core-filling reinforcing steel bar, and the anchoring wall is inclined towards the core-filling reinforcing steel bar along the direction from top to bottom;
the clamping wall of the clamping piece is pressed on the periphery of the connecting section of the core-filling steel bar, the periphery of the connecting section of the core-filling steel bar is provided with bulges, the bulges are embedded between the adjacent raised lines, and the top edge of the anchor hole is pressed on the anchoring wall of the clamping piece.
9. The welding-free counterforce transmission structure of the prestressed tubular pile as recited in claim 8, wherein an inclined deformation plate is connected to the bottom of the clamping piece, and the inclined deformation plate is obliquely arranged away from the counterforce main rib along the direction from top to bottom of the anchor hole; the horizontal width of the inclined deformation plate is equal to the anchoring gap; the inclined deformation plate is arranged in the anchoring gap, the inner end of the inclined deformation plate is abutted to the periphery of the counter-force main rib, and the outer end of the inclined deformation plate is abutted to the inner side wall of the anchor hole.
10. The welding-free reaction force transmission structure of the prestressed pipe pile of claim 9, wherein the middle part of the inclined deformation plate is bent to form a bent part protruding downwards; after the inclined deformation plate is embedded into the anchor hole, the inclined deformation plate bends and deforms downwards by taking the bent part as a bending deformation center.
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CN202121591139.XU CN216041371U (en) | 2021-07-13 | 2021-07-13 | Welding-free counter force conduction structure of prestressed pipe pile |
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