CN112962597A - Construction method of stress dispersion type stiffening pile capable of recycling anchor bars - Google Patents
Construction method of stress dispersion type stiffening pile capable of recycling anchor bars Download PDFInfo
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- CN112962597A CN112962597A CN202110176077.4A CN202110176077A CN112962597A CN 112962597 A CN112962597 A CN 112962597A CN 202110176077 A CN202110176077 A CN 202110176077A CN 112962597 A CN112962597 A CN 112962597A
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- anchor bar
- rod
- bearing seat
- locking
- fixture block
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- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
-
- 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
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
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- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a construction method of a stress dispersion stiffening pile capable of recycling anchor bars. The construction method of the stress dispersion stiffening pile capable of recycling the anchor bars comprises the following steps: s1: the anti-dropping device is characterized in that a prestressed anchor bar and a traction anchor bar are installed on a bearing body, the bearing body comprises a bearing seat, a locking clamping block and a jacking clamping block, the prestressed anchor bar is arranged between the bearing seat and the locking clamping block, the traction anchor bar is arranged in the jacking clamping block, the locking clamping block and the jacking clamping block are in inverted wedge shapes and are assembled by a plurality of blocks, a cavity cover is installed on the other side of the bearing seat, the prestressed anchor bar and the traction anchor bar all penetrate through the cavity cover and extend out of the bearing body, and an anti-dropping device is installed on the cavity cover. The construction method of the stress dispersion stiffening pile capable of recycling the anchor bars, provided by the invention, has the advantages of providing higher anchoring force, effectively controlling deformation and conveniently recycling the recyclable anchor bars of the anchor cable.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a construction method of a stress dispersion type stiffening pile capable of recycling anchor bars.
Background
In the side slope and deep foundation pit supporting engineering commonly used at present, the prestressed anchor cable has higher anchoring force, and the formed pile anchor supporting structure is widely applied. However, the soft soil layer anchoring is a bottleneck of the anchoring technology, and the application of the anchoring technology is limited because the soft soil layer has low frictional resistance and is easy to generate rheology. In addition, the prestressed anchor bars adopt steel strands, and are often left underground to form obstacles after the side slope and the foundation pit support structure are in service, so that the application of the support form is limited. Therefore, a higher anchoring force is formed in a soft soil stratum, the deformation of the soft soil is controlled, and the anchor bars can be recovered from the soil body after the mission of the supporting structure is finished, so that the problem which needs to be solved urgently in the engineering field is solved.
Therefore, there is a need to provide a new construction method of a stress dispersion type stiffening pile capable of recovering anchor bars to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide a construction method of a stress dispersion type stiffening pile which provides higher anchoring force, effectively controls deformation and can conveniently recover recoverable anchor bars of anchor cables.
In order to solve the technical problem, the construction method of the stress dispersion type stiffening pile capable of recycling the anchor bars provided by the invention comprises the following steps:
s1: installing a prestressed anchor bar and a traction anchor bar on a bearing body, wherein the bearing body comprises a bearing seat, a locking fixture block and a jacking fixture block, two sides of the bearing seat are respectively provided with an ear ring, the stressed anchor bar is arranged between the bearing seat and the locking fixture block, the traction anchor bar is arranged in the jacking fixture block, the locking fixture block and the jacking fixture block are mutually in an inverted wedge shape and are assembled by a plurality of blocks, one side of the bearing seat is hermetically provided with a front cover, the prestressed anchor bar and the traction anchor bar are both contacted with the front cover, the other side of the bearing seat is provided with a cavity cover, the prestressed anchor bar and the traction anchor bar both penetrate through the cavity cover and extend out of the bearing body, the cavity cover is provided with an anti-falling device, and the anti-falling device is used for preventing the prestressed anchor bar and the traction anchor bar from falling off;
s2: forming an oblique cement soil or cement mortar stiffening pile anchoring body with large diameter in a stratum to be anchored, connecting a U-shaped guniting head with a drill rod, penetrating two guniting nozzles of the U-shaped guniting head into holes of two earrings, pushing a bearing body into the formed anchoring body by using the thrust of the drill rod, guniting and reducing resistance in the pushing process, and extracting the drill rod and guniting and reinforcing to improve the strength and compactness of the anchoring body;
s3: after the supporting structure is used for a certain time, the anti-falling device is controlled to fall down, the traction anchor bar is pulled, the jacking clamping block is separated from the locking clamping block, the jacking clamping block is connected with the traction anchor bar and pulled into the cavity cover, the locking plate and the locking clamping block of the prestressed anchor bar are naturally separated, the prestressed anchor bar is separated from the bearing seat, and the prestressed anchor bar and the traction anchor bar are together recovered from the anchored stratum.
Preferably, a locking plate is arranged between the locking clamping block and the bearing seat and used for locking the prestressed anchor bars, and the locking plate is also arranged in the middle of the jacking clamping block and used for locking the traction anchor bars.
Preferably, the top side of bearing the seat has seted up the seal groove, install solid fixed ring on the protecgulum, gu fixed ring with seal groove looks adaptation, install the sealing rubber circle in the second seal groove, gu fixed ring with rubber seal sealing connection, the protecgulum passes through the bolt and installs bear on the seat.
Preferably, the bottom side of the bearing seat is provided with the sealing groove, the cavity cover is provided with the fixing ring, the fixing ring is matched with the sealing groove, the sealing rubber ring is arranged in the second sealing groove, the fixing ring is connected with the rubber sealing ring in a sealing manner, and the cavity cover is arranged on the bearing seat through the bolt.
Preferably, a plurality of stop rods are installed on the bottom side of the front cover, the stop rods are in contact with the locking fixture blocks, and the stop rods are used for limiting the locking fixture blocks.
Preferably, the supporting body is provided with a dispersion body, and the dispersion body is used for dispersing the acting force transmitted by the supporting body aiming at the soft soil stratum.
Preferably, the anti-disengaging device comprises a motor, the motor is installed on the cavity cover, a lead screw is connected to an output shaft of the motor, a push rod is sleeved on the lead screw in a threaded manner, a top side of the push rod is fixedly provided with a jacking plate, the jacking plate is located at a position where the locking fixture block and the jacking fixture block are connected, a limiting block is fixedly installed on the push rod, a sliding rail is installed on the inner wall of the bearing seat, and the sliding rail is connected with the limiting block in a sliding manner.
Preferably, a plurality of circular truncated cone-shaped sealing devices are arranged on the bottom side of the cavity cover, sealing rings are installed in the circular truncated cone-shaped sealing devices, and the sealing rings are in sealing connection with the prestressed anchor bars and the traction anchor bars.
Preferably, a clamping groove is formed in the locking clamping block, a sliding groove is formed in the jacking clamping block, a fixed rod is fixedly mounted in the sliding groove, a clamping rod is sleeved on the fixed rod in a sliding mode, the bottom side of the clamping rod is designed in an arc shape, a limiting rod is fixedly mounted at the bottom side of the clamping rod, a limiting groove is formed in the inner wall of the bottom side of the sliding groove, a supporting rod is fixedly mounted in the limiting groove, the limiting rod is in sliding connection with the supporting rod, a spring is sleeved on the supporting rod, one end of the spring is fixedly connected with the limiting rod, the other end of the spring is fixedly connected with the inner wall of one side of the limiting groove, and the top side of the clamping rod is in contact with the.
Preferably, a plurality of balls are arranged on the top side of the clamping rod in a rolling mode, and the balls are in contact with the inner wall of the top side of the sliding groove.
Compared with the related art, the construction method of the stress dispersion type stiffening pile capable of recycling the anchor bars, provided by the invention, has the following beneficial effects:
the invention provides a construction method of a stress dispersion stiffening pile capable of recycling anchor bars, which is characterized in that an anti-falling device is used for carrying out secondary stable jacking on a locking clamping block and a jacking clamping block, when the prestressed anchor bars and traction anchor bars need to be recycled, only the anti-falling device needs to be lowered, and as the unlocking pulling force is far smaller than the breaking force of each steel strand, mechanical safe unlocking is easily realized, the length of the recycled pulled anchor cables is equal to the anchoring length, and the recycled resistance is not overlapped, so that the recycling time is greatly shortened, and the recycling rate reaches more than 99%.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a construction method of a stress-dispersing stiffening pile with recoverable anchor bars according to the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the anti-separation device shown in FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 1;
fig. 5 is an enlarged schematic view of a portion B shown in fig. 1.
Reference numbers in the figures: 1. bear seat, 2, earrings, 3, stress anchor bar, 4, pull anchor bar, 5, locking fixture block, 6, tight fixture block, 7, protecgulum, 8, pin, 9, cavity lid, 10, anticreep device, 11, round platform form sealing device, 12, sealing ring, 13, dispersion, 14, motor, 15, lead screw, 16, ejector pin, 17, tight board, 18, stopper, 19, slide rail, 20, bolt, 21, seal groove, 22, sealing rubber circle, 23, solid fixed ring, 24, draw-in groove, 25, spout, 26, dead lever, 27, kelly, 28, spacing groove, 29, branch, 30, gag lever post, 31, spring, 32, ball.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, fig. 1 is a schematic structural view illustrating a construction method of a stress dispersion type stiffening pile capable of recycling anchor bars according to a preferred embodiment of the present invention; FIG. 2 is a schematic top view of the structure of FIG. 1; FIG. 3 is a schematic structural view of the anti-separation device shown in FIG. 1; FIG. 4 is an enlarged view of portion A of FIG. 1; fig. 5 is an enlarged schematic view of a portion B shown in fig. 1. The construction method of the stress dispersion stiffening pile capable of recycling the anchor bars comprises the following steps:
s1: the prestressed anchor bar 3 and the traction anchor bar 4 are arranged on a bearing body, the bearing body comprises a bearing seat 1, a locking fixture block 5 and a jacking fixture block 6, the two sides of the bearing seat 1 are both provided with ear rings 2, the stress anchor bars 3 are arranged between the bearing seat 1 and the locking fixture blocks 5, the traction anchor bar 4 is arranged in the jacking clamping block 6, the locking clamping block 5 and the jacking clamping block 6 are in an inverted wedge shape and are assembled by a plurality of blocks, a front cover 7 is hermetically arranged on one side of the bearing seat 1, the prestressed anchor bars 3 and the traction anchor bars 4 are both contacted with the front cover 7, a cavity cover 9 is arranged on the other side of the bearing seat 1, the prestressed anchor bars 3 and the traction anchor bars 4 both penetrate through the cavity cover 9 and extend out of the bearing seat, the cavity cover 9 is provided with an anti-falling device 10, and the anti-falling device 10 is used for preventing the prestressed anchor bars 3 and the traction anchor bars 4 from falling off;
s2: forming an oblique cement soil or cement mortar stiffening pile anchoring body with large diameter in a stratum to be anchored, connecting a U-shaped guniting head with a drill rod, penetrating two guniting nozzles of the U-shaped guniting head into holes of two earrings 2, pushing a bearing body into the formed anchoring body by using the thrust of the drill rod, guniting and reducing resistance in the pushing process, and extracting the drill rod and guniting and reinforcing to improve the strength and compactness of the anchoring body;
s3: after the supporting construction mission is finished, the anti-disengaging device 10 is controlled to descend, the traction anchor bar 4 is pulled, the jacking fixture block 5 is separated from the locking fixture block 6, the jacking fixture block 5 is connected with the traction anchor bar 6 and is pulled into the cavity cover 9, the locking plate and the locking fixture block 5 of the prestressed anchor bar 3 are naturally separated, the prestressed anchor bar 3 is separated from the bearing seat 1, and the prestressed anchor bar 3 and the traction anchor bar 4 are together recovered from the anchored stratum.
And a locking plate is arranged between the locking clamping block 5 and the bearing seat 1 and used for locking the prestressed anchor bars 3, and the locking plate is also arranged in the middle of the jacking clamping block 6 and used for locking the traction anchor bars 4.
Bear the top side of seat 1 and seted up seal groove 21, install solid fixed ring 23 on the protecgulum 7, gu fixed ring 23 with seal groove 21 looks adaptation, install sealing rubber circle 22 in the first seal groove 21, gu fixed ring 23 with rubber seal 22 sealing connection, the protecgulum 7 passes through bolt 20 and installs bear on the seat 1.
Bear the bottom side of seat 1 and seted up seal groove 21, install on cavity lid 9 gu fixed ring 23, gu fixed ring 23 with seal groove 21 looks adaptation, install in the first seal groove 21 sealed rubber ring 22, gu fixed ring 23 with rubber seal ring 22 sealing connection, cavity lid 9 passes through bolt 20 is installed bear on the seat 1.
A plurality of stop rods 8 are installed on the bottom side of the front cover 7, the stop rods 8 are in contact with the locking fixture blocks 5, and the stop rods 8 are used for limiting the locking fixture blocks 5.
The supporting body is provided with a dispersion body 13, and the dispersion body 13 is used for dispersing acting force transmitted by the supporting body aiming at soft soil stratum.
The anti-falling device 10 comprises a motor 14, the motor 14 is arranged on the cavity cover 9, the output shaft of the motor 14 is connected with a screw rod 15, the screw rod 15 is sleeved with a mandril 16 through threads, a jacking plate 17 is fixedly arranged on the top side of the ejector rod 16, the jacking plate 17 is positioned at the position where the locking fixture block 5 is connected with the jacking fixture block 6, a limiting block 18 is fixedly arranged on the top rod 16, a slide rail 19 is arranged on the inner wall of the bearing seat 1, the slide rail 19 is connected with the limiting block 18 in a sliding way, when the locking anchor bar 4 needs to be retracted, the motor 14 is started, the output shaft of the motor 14 drives the screw rod 15 to rotate, the screw rod 15 drives the ejector rod 16 to move downwards, the ejector rod 16 drives the jacking plate 17 to move downwards, the jacking plate 17 is not in contact with the locking fixture block 5 and the jacking fixture block 6 at the moment, and the locking fixture block 5 and the jacking fixture block 6 are easy to fall off when the anchor bar 4 is pulled and pulled.
The bottom side of the cavity cover 9 is provided with a plurality of truncated cone-shaped sealing devices 11, sealing rings 12 are installed in the truncated cone-shaped sealing devices 11, and the sealing rings 12 are hermetically connected with the prestressed anchor bars 3 and the traction anchor bars 4.
The locking fixture block 5 is provided with a clamping groove 24, the jacking fixture block 6 is provided with a sliding groove 25, the sliding groove 25 is internally and fixedly provided with a fixed rod 26, the fixed rod 26 is sleeved with a clamping rod 27 in a sliding manner, the bottom side of the clamping rod 27 is designed in an arc shape, the bottom side of the clamping rod 27 is fixedly provided with a limiting rod 30, the inner wall of the bottom side of the sliding groove 25 is provided with a limiting groove 28, a supporting rod 29 is fixedly arranged in the limiting groove 28, the limiting rod 30 is in sliding connection with the supporting rod 29, the supporting rod 29 is sleeved with a spring 31, one end of the spring 31 is fixedly connected with the limiting rod 30, the other end of the spring 31 is fixedly connected with the inner wall of one side of the limiting groove 28, the top side of the clamping rod 27 is in contact with the inner wall of the top side of the clamping groove 24, when the clamping rod 27 slides into the clamping groove 24, at this time, the top side of the clamping rod 27 is in contact with the inner wall of the top side of the clamping groove 24, and the jacking clamping block 6 cannot move upwards any more, so that the positioning of the jacking clamping block 6 is realized.
A plurality of balls 32 are roll-mounted on the top side of the latch rod 27, and the balls 32 are in contact with the inner wall of the top side of the slide groove 25.
Compared with the related art, the construction method of the stress dispersion type stiffening pile capable of recycling the anchor bars, provided by the invention, has the following beneficial effects:
the invention provides a construction method of a stress dispersion stiffening pile capable of recycling anchor bars, which is characterized in that a locking fixture block 5 and a jacking fixture block are subjected to secondary stable jacking through an anti-falling device 10, when a prestressed anchor bar 3 and a traction anchor bar 4 need to be recycled, the anti-falling device 10 only needs to be lowered, as the unlocking pulling force is far smaller than the breaking force of each steel strand, mechanical safe unlocking is easily realized, the length of a recycled pulled anchor rope is equal to the anchoring length, the recycled resistance is not overlapped, the recycling time is greatly shortened, and the recycling rate reaches more than 99%.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A construction method of a stress dispersion stiffening pile capable of recycling anchor bars is characterized by comprising the following steps:
s1: installing a prestressed anchor bar and a traction anchor bar on a bearing body, wherein the bearing body comprises a bearing seat, a locking fixture block and a jacking fixture block, two sides of the bearing seat are respectively provided with an ear ring, the stressed anchor bar is arranged between the bearing seat and the locking fixture block, the traction anchor bar is arranged in the jacking fixture block, the locking fixture block and the jacking fixture block are mutually in an inverted wedge shape and are assembled by a plurality of blocks, one side of the bearing seat is hermetically provided with a front cover, the prestressed anchor bar and the traction anchor bar are both contacted with the front cover, the other side of the bearing seat is provided with a cavity cover, the prestressed anchor bar and the traction anchor bar both penetrate through the cavity cover and extend out of the bearing body, the cavity cover is provided with an anti-falling device, and the anti-falling device is used for preventing the prestressed anchor bar and the traction anchor bar from falling off;
s2: forming an oblique cement soil or cement mortar stiffening pile anchoring body with large diameter in a stratum to be anchored, connecting a U-shaped guniting head with a drill rod, penetrating two guniting nozzles of the U-shaped guniting head into holes of two earrings, pushing a bearing body into the formed anchoring body by using the thrust of the drill rod, guniting and reducing resistance in the pushing process, and extracting the drill rod and guniting and reinforcing to improve the strength and compactness of the anchoring body;
s3: after the supporting structure is used for a certain time, the anti-falling device is controlled to fall down, the traction anchor bar is pulled, the jacking clamping block is separated from the locking clamping block, the jacking clamping block is connected with the traction anchor bar and pulled into the cavity cover, the locking plate and the locking clamping block of the prestressed anchor bar are naturally separated, the prestressed anchor bar is separated from the bearing seat, and the prestressed anchor bar and the traction anchor bar are together recovered from the anchored stratum.
2. The method of claim 1, wherein a locking plate is disposed between the locking fixture block and the bearing seat for locking the prestressed anchor bars, and the locking plate is disposed in the middle of the tightening fixture block for locking the traction anchor bars.
3. The construction method of a stress dispersion type stiffening pile with recoverable anchor bars according to claim 1, wherein a sealing groove is formed in the top side of the bearing seat, a fixing ring is mounted on the front cover, the fixing ring is matched with the sealing groove, a sealing rubber ring is mounted in the second sealing groove, the fixing ring is connected with the rubber sealing ring in a sealing mode, and the front cover is mounted on the bearing seat through bolts.
4. The construction method of a stress-dispersing stiffening pile with recoverable anchor bars according to claim 3, wherein the sealing groove is formed in the bottom side of the bearing seat, the fixing ring is mounted on the cavity cover, the fixing ring is matched with the sealing groove, the sealing rubber ring is mounted in the second sealing groove, the fixing ring is connected with the rubber sealing ring in a sealing manner, and the cavity cover is mounted on the bearing seat through the bolts.
5. The method for constructing a stress dispersion type stiffening pile with recoverable anchor bars according to claim 1, wherein a plurality of stop rods are installed on the bottom side of the front cover, and are in contact with the locking fixture blocks, and the stop rods are used for limiting the locking fixture blocks.
6. The method of constructing a recoverable-tendon stress-dispersing stiffening pile according to claim 1, wherein the carrier has a dispersion mounted thereon for dispersing the force transmitted from the carrier for soft soil formations.
7. The construction method of a recoverable reinforcement stress-dispersing stiffening pile according to claim 1, wherein the anti-slip device comprises a motor, the motor is mounted on the cavity cover, an output shaft of the motor is connected with a lead screw, a top rod is screwed on the lead screw, a top tightening plate is fixedly mounted on the top side of the top rod, the top tightening plate is located at a position where the locking fixture block and the top tightening fixture block are connected, a stop block is fixedly mounted on the top rod, a slide rail is mounted on the inner wall of the bearing seat, and the slide rail is slidably connected with the stop block.
8. The method for constructing a stress-dispersing stiffening pile with recoverable anchor bars according to claim 1, wherein a plurality of truncated cone-shaped sealing devices are arranged on the bottom side of the cavity cover, sealing rings are installed in the truncated cone-shaped sealing devices, and the sealing rings are hermetically connected with the prestressed anchor bars and the traction anchor bars.
9. The construction method of a stress-dispersing stiffening pile with recoverable anchor bars according to claim 1, wherein the locking fixture block is provided with a slot, the tightening fixture block is provided with a chute, a fixed rod is fixedly mounted in the chute, a clamping rod is slidably sleeved on the fixed rod, the bottom side of the clamping rod is of an arc-shaped design, a limiting rod is fixedly mounted on the bottom side of the clamping rod, a limiting groove is formed in the inner wall of the bottom side of the chute, a support rod is fixedly mounted in the limiting groove, the limiting rod is slidably connected with the support rod, a spring is sleeved on the support rod, one end of the spring is fixedly connected with the limiting rod, the other end of the spring is fixedly connected with the inner wall of one side of the limiting groove, and the top side of the clamping rod is in contact with the inner wall of the top side of the slot.
10. The method of constructing a recoverable tendon stress-dispersing stiffening pile as recited in claim 9, wherein the top side of the anchor rod is roll-fitted with a plurality of balls that contact the top side inner wall of the runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110176077.4A CN112962597A (en) | 2021-02-06 | 2021-02-06 | Construction method of stress dispersion type stiffening pile capable of recycling anchor bars |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110176077.4A CN112962597A (en) | 2021-02-06 | 2021-02-06 | Construction method of stress dispersion type stiffening pile capable of recycling anchor bars |
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| CN112962597A true CN112962597A (en) | 2021-06-15 |
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| CN202110176077.4A Pending CN112962597A (en) | 2021-02-06 | 2021-02-06 | Construction method of stress dispersion type stiffening pile capable of recycling anchor bars |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389205A (en) * | 2021-07-01 | 2021-09-14 | 中冶建筑研究总院（深圳）有限公司 | Recoverable anchored prestressed foot-hanging pile supporting structure and construction method |
-
2021
- 2021-02-06 CN CN202110176077.4A patent/CN112962597A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389205A (en) * | 2021-07-01 | 2021-09-14 | 中冶建筑研究总院（深圳）有限公司 | Recoverable anchored prestressed foot-hanging pile supporting structure and construction method |
| WO2023273253A1 (en) * | 2021-07-01 | 2023-01-05 | 中冶建筑研究总院（深圳）有限公司 | Recyclable anchored prestressed end-suspended pile supporting structure and construction method |
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