CN119061880A - A top closed steel pipe pile - Google Patents
A top closed steel pipe pile Download PDFInfo
- Publication number
- CN119061880A CN119061880A CN202411534099.3A CN202411534099A CN119061880A CN 119061880 A CN119061880 A CN 119061880A CN 202411534099 A CN202411534099 A CN 202411534099A CN 119061880 A CN119061880 A CN 119061880A
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- Prior art keywords
- sealing
- pipe
- sealing plate
- outer tube
- steel pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 230000002093 peripheral effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of steel pipe piles, in particular to a top closed steel pipe pile which comprises an outer pipe and an inner pipe, wherein the lower end of the outer pipe is closed, the inner pipe slides up and down in the outer pipe, a sliding sealing piece is arranged on the outer wall of the inner pipe and is in sliding connection with the inner wall of the outer pipe, a supporting ring is arranged at the top of the inner pipe and is supported at the top opening of the outer pipe, a sealing assembly is arranged in the inner pipe and is used for sealing the inner part of the inner pipe and comprises a first sealing plate and a second sealing plate, a connecting rod is arranged between the first sealing plate and the second sealing plate, and the first sealing plate and the second sealing plate are in threaded connection with the inner wall of the inner pipe. According to the invention, the space between the outer pipe and the inner pipe is in a negative pressure state, so that the water surface is provided with adsorption tension, and the vertical anti-pulling bearing capacity of the steel pipe pile is increased.
Description
Technical Field
The invention relates to the technical field of steel pipe piles, in particular to a top closed type steel pipe pile.
Background
The top closed steel pipe pile is one specially designed steel pipe pile and features that the top of the pile is closed to form one closed space.
Because of its unique structural characteristics, the top closed steel pipe pile is generally applied to various occasions requiring high-strength bearing and stability performance, such as port and wharf foundation bearing, in the construction of these infrastructures, the top closed steel pipe pile can provide stable foundation support, ensure the safety and durability of ports and wharf, and generally needs to be inserted into water, and the pull-out resistance bearing capacity of the steel pipe pile mainly consists of internal and external friction force and the self weight of the steel pipe pile, but the foundation of the steel pipe pile acting on ports or wharf is generally composed of silt or broken stone, however, the vertical tensile bearing capacity of the steel pipe pile in such an environment is necessarily lower.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects existing in the prior art, the invention provides the top closed steel pipe pile, which can effectively solve the problems that the pulling-resistant bearing capacity of the steel pipe pile in the prior art mainly consists of internal and external friction force and the self weight of the steel pipe pile, but the foundation of the steel pipe pile acting on a port or a wharf is generally composed of sediment or broken stone, and the vertical tensile bearing capacity of the steel pipe pile in the environment is necessarily lower.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The invention provides a top closed steel pipe pile which comprises an outer pipe and an inner pipe, wherein the lower end of the outer pipe is closed, the inner pipe slides up and down in the outer pipe, a sliding sealing piece is arranged on the outer wall of the inner pipe and is in sliding connection with the inner wall of the outer pipe, a supporting ring is arranged at the top of the inner pipe, and the supporting ring is supported at the top opening of the outer pipe;
the sealing assembly is arranged in the inner tube and used for sealing the inner tube, and comprises a first sealing plate and a second sealing plate, a connecting rod is arranged between the first sealing plate and the second sealing plate, and the first sealing plate and the second sealing plate are in threaded connection with the inner wall of the inner tube.
Further, the first sealing plate and the second sealing plate are both provided with annular sealing plates below, the second sealing plate is provided with preformed holes, each sealing plate top is provided with an inner ring sealing ring and an outer ring sealing ring, and the inner ring sealing rings and the outer ring sealing rings are respectively located on two sides of the preformed holes.
Further, the outside fixed mounting of outer tube has the pipe to follow the platform, be provided with the extensible member on the pipe along the platform, the upper end of extensible member is connected with the below of holding ring, the extensible member is used for driving the inner tube up-and-down motion.
Further, the support block is fixedly installed below the support ring, the support ring and the support block are respectively provided with a mounting through hole and a connecting through hole, the mounting through hole and the connecting through hole are mutually communicated, and the support ring and the support block are mutually connected through threaded rods.
Further, still include fixed subassembly, fixed subassembly is including rotating the swivel mount between outer tube and inner tube, the outer wall of inner tube is provided with and is used for driving swivel mount pivoted guide way, be provided with on the swivel mount at the gliding linkage slide bar in the guide way, the swivel mount top is provided with support piece, the outer tube is stretched out to support piece's one end, the swivel mount top is provided with the direction spout that is used for outwards stretching out of direction support piece.
Further, be provided with the slip through-hole on the outer tube, support piece includes slidable mounting at the inside slide bar of slip through-hole, the one end that the slide bar stretched out the outer tube is provided with stretches out the piece, the other end fixed mounting of slide bar has the installation piece, the below fixed mounting of installation piece has the gag lever post that passes the direction spout, gag lever post and direction spout inner wall sliding connection.
Further, the middle part of slide bar is provided with a plurality of through grooves, the length value of through groove is greater than the thickness value of outer tube, and the one end of through groove extends to installation piece department, and a plurality of through grooves are the ring form and distribute on the outer peripheral face of slide bar.
Further, the end face of the outer peripheral face of the protruding block, which faces the outer tube, is provided with a sealing gasket, the lower end of the protruding block extends downwards, the lower end of the protruding block is provided with a hook-shaped plate, and the sealing gasket is used for being blocked at the outer side of the sliding through hole.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
According to the invention, the inner tube sliding up and down is arranged in the outer tube, so that the inner tube can slide up and down in a sealing manner in the outer tube, the height of the inner tube in the outer tube can be properly adjusted according to the requirement, the inner tube is sealed by the sealing assembly and is moved downwards, the space between the outer tube and the inner tube is in an overpressure state, the compressive strength of the outer wall of the outer tube can be increased, the outer tube is not easy to deform in the pressing process, after the outer tube moves to a designated position, the sealing assembly is opened and is closed again, and then the inner tube is moved upwards, so that the space between the outer tube and the inner tube is in a negative pressure state, and the vertical pulling-resistant bearing capacity of the steel pipe pile is increased. In the invention, the pipe edge table is arranged on the outer side of the outer pipe, and the telescopic piece for driving the inner pipe to move up and down is arranged on the pipe edge table, so that the up-down movement of the inner pipe can be conveniently regulated, the air pressure intensity between the inner pipe and the outer pipe can be conveniently changed by regulating the up-down movement position of the inner pipe, in addition, when the outer pipe is pressed down to be inserted into a foundation by regulating the up-down position of the inner pipe, the supporting ring of the inner pipe is supported at the upper pipe orifice of the outer pipe, the inner pipe and the outer pipe can bear downward impact force together, and the outer pipe or the inner pipe can be prevented from being deformed when bearing impact in the downward sinking process through hammering or vibration. According to the invention, the fixing assembly is arranged between the outer pipe and the inner pipe, and the inner pipe moves upwards to drive the rotating ring to rotate, so that the plurality of supporting pieces can extend outwards, one end of each supporting piece can be inserted into the foundation outside the outer pipe, the connection strength between the outer pipe and the foundation is higher, and the vertical anti-pulling bearing capacity of the outer pipe can be increased. According to the invention, the sliding through hole is formed in the outer pipe, so that the sliding rod can pass through the outer pipe, the inner pipe moves upwards to drive the rotating ring to rotate, and then the sliding rod slides in a direction away from the outer pipe under the drive of the mounting block at the tail part, so that the extending block at the outer side of the outer pipe is inserted into the foundation, the outer pipe can be more firmly inserted into the foundation, and the vertical anti-pulling bearing capacity of the outer pipe can be increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a semi-sectional structure of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view showing the internal structure of the inner tube according to the present invention;
FIG. 5 is a side view of the interior of the inner tube of the present invention;
FIG. 6 is an exploded view showing the internal structure of the inner tube of the present invention;
FIG. 7 is a schematic view of the overall structure of the fixing assembly of the present invention;
fig. 8 is a schematic view of a partial enlarged structure at a of fig. 7 according to the present invention.
Reference numerals in the drawings represent respectively:
1. The outer pipe, 101, a sliding through hole, 11, a pipe edge table, 12, a telescopic piece, 13, a supporting block, 1301, a connecting through hole, 2, an inner pipe, 201, a guide groove, 21, a supporting ring, 2101, a mounting through hole, 22 and a sliding sealing piece;
3. Sealing assembly, 31, first sealing plate, 32, second sealing plate, 3201, preformed hole, 33, connecting rod, 34, sealing disk, 341, sealing ring;
4. The device comprises a fixing component, 41 parts of a rotating ring, 4101 parts of a guiding chute, 411 parts of a linkage slide bar, 42 parts of a supporting piece, 4201 parts of a through groove, 421 parts of a slide bar, 422 parts of a mounting block, 423 parts of a limiting bar, 424 parts of an extending block, 425 parts of a sealing gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
When the closed-top steel pipe pile is used, the inside of the steel pipe pile is usually in a negative pressure state for the purpose of improving the vertical pulling-resistant bearing capacity of the steel pipe pile.
Therefore, the embodiment of the invention provides a top closed steel pipe pile, which is at least aimed at flexibly adjusting the pressure state in the steel pipe pile, so that the inside of the steel pipe pile is in an overpressure state in the process of pressing down the steel pipe pile, the compressive strength of the steel pipe pile is increased, the inside of the steel pipe pile is in a negative pressure state after the steel pipe pile is installed in place, and the vertical pulling-resistant bearing capacity of the steel pipe pile is increased.
The embodiment is that a top closed steel pipe pile comprises an outer pipe 1 and an inner pipe 2, wherein the lower end of the outer pipe 1 is closed, the inner pipe 2 slides up and down in the outer pipe 1, a sliding sealing piece 22 is arranged on the outer wall of the inner pipe 2, the sliding sealing piece 22 is in sliding connection with the inner wall of the outer pipe 1, a supporting ring 21 is arranged at the top of the inner pipe 2, and the supporting ring 21 is supported at the top opening of the outer pipe 1;
the seal assembly 3 is installed inside the inner pipe 2, the seal assembly 3 is used for sealing the inside of the inner pipe 2 and comprises a first seal plate 31 and a second seal plate 32, a connecting rod 33 is arranged between the first seal plate 31 and the second seal plate 32, and the first seal plate 31 and the second seal plate 32 are in threaded connection with the inner wall of the inner pipe 2.
According to the invention, the inner tube 2 sliding up and down is arranged in the outer tube 1, so that the inner tube 2 can slide up and down in a sealing manner in the outer tube 1, the height of the inner tube 2 in the outer tube 1 can be properly adjusted according to the requirement, the sealing assembly 3 capable of sealing the inner tube 2 is arranged in the inner tube 2, the inner tube 2 can be sealed and moved downwards by the sealing assembly 3 in the process of pressing down the steel pipe pile, the space between the outer tube 1 and the inner tube 2 is in an overpressure state, the compression strength of the outer wall of the outer tube 1 can be increased, the outer tube 1 is not easy to deform in the pressing down process, after the outer tube 1 moves to a designated position, the sealing assembly 3 is opened and closed again, and then the inner tube 2 is moved upwards, so that the space between the outer tube 1 and the inner tube 2 is in a negative pressure state, and the vertical anti-pulling bearing capacity of the steel pipe pile is increased.
Further, as shown in fig. 5 and 6, annular sealing discs 34 are disposed below the first sealing plate 31 and the second sealing plate 32, the sealing discs 34 are welded with the inner wall of the inner tube 2 in a sealing manner, preformed holes 3201 are disposed on the second sealing plate 32, inner and outer ring sealing rings 341 are disposed on the top of each sealing disc 34, and the inner and outer ring sealing rings 341 are located on two sides of the preformed holes 3201 respectively.
Wherein, through setting up preformed hole 3201 on second sealing plate 32, when second sealing plate 32 is in close connection with sealing plate 34, preformed hole 3201 supports and seals on sealing plate 34, can avoid the inside water or the air of outer tube 1to get into second sealing plate 32 top from preformed hole 3201, when the rotation drives second sealing plate 32 and upwards rotates, can make the bottom of sealing plate 34 and second sealing plate 32 keep away from each other, can make preformed hole 3201 on the second sealing plate 32 exposed, and the inside water or the air of outer tube 1 can be followed preformed hole 3201 and is got into second sealing plate 32 top at this moment, can be convenient the cooperation reciprocates inner tube 2 and adjust the pressure state between outer tube 1 and the inner tube 2.
Further, as shown in fig. 2 and 3, a tube edge table 11 is fixedly installed on the outer side of the outer tube 1, a telescopic piece 12 is arranged on the tube edge table 11, the upper end of the telescopic piece 12 is connected with the lower portion of the supporting ring 21, and the telescopic piece 12 is used for driving the inner tube 2 to move up and down.
Wherein, through setting up the pipe along the platform 11 in the outside of outer tube 1 and setting up the extensible member 12 that is used for driving inner tube 2 and reciprocates along the platform 11 on the pipe, the upward and downward movement of inner tube 2 is adjusted to the regulation that can be convenient, can change the pneumatic strength between inner tube 2 and the outer tube 1 through adjusting the upper and lower position of inner tube 2, in addition, when can also make the outer tube 1 of pushing down insert in the ground, the support ring 21 of inner tube 2 supports in the upper mouth of pipe department of outer tube 1, can make inner tube 2 and outer tube 1 bear the dynamics of downward impact jointly, can avoid through hammering or the in-process that shakes the formula was submerged downwards, outer tube 1 or inner tube 2 take place the deformation when bearing the impact.
Further, as shown in fig. 3 and 4, the supporting block 13 is fixedly installed below the supporting ring 21, the supporting ring 21 and the supporting block 13 are respectively provided with a mounting through hole 2101 and a connecting through hole 1301, the mounting through hole 2101 and the connecting through hole 1301 are mutually communicated, and the supporting ring 21 and the supporting block 13 are mutually connected through threaded rods.
Wherein, through the fixed mounting supporting shoe 13 in the below of holding ring 21, when inner tube 2 is in the nadir, supporting shoe 13 supports on the pipe along the platform 11, can make the pressure part that inner tube 2 acted on outer tube 1 apportion to supporting shoe 13 and pipe along the platform 11, can increase the impact strength of inner tube 2 and outer tube 1, in addition, after outer tube 1 installs the assigned position, when the height that the inner tube 2 was supported in the inside of outer tube 1 is adjusted to the height that the inner tube 2 upper end was supported, through increasing the quantity of supporting shoe 13, can make a plurality of supporting shoes 13 vertically place, interconnect through the threaded rod between a plurality of supporting shoes 13.
Further, as shown in fig. 6 and 7, the fixing assembly 4 further comprises a fixing assembly 4, the fixing assembly 4 comprises a rotating ring 41 rotatably installed between the outer tube 1 and the inner tube 2, a guide groove 201 for driving the rotating ring 41 to rotate is formed in the outer wall of the inner tube 2, a linkage sliding rod 411 sliding in the guide groove 201 is arranged on the rotating ring 41, a supporting piece 42 is arranged above the rotating ring 41, one end of the supporting piece 42 extends out of the outer tube 1, and a guide sliding groove 4101 for guiding the supporting piece 42 to extend outwards is arranged above the rotating ring 41.
Wherein, through setting up fixed subassembly 4 between outer tube 1 and inner tube 2, at the inner tube 2 upward movement stage, drive rotation ring 41 and rotate, can make a plurality of support pieces 42 stretch out to the outside, can make the inside of foundation of support piece 42's one end outside inserting outer tube 1, can make the joint strength between outer tube 1 and the foundation higher, can make the vertical anti-pulling bearing capacity of increase outer tube 1 (i.e. steel-pipe pile).
Further, as shown in fig. 6 and 7, the outer tube 1 is provided with a sliding through hole 101, the supporting member 42 includes a sliding rod 421 slidably mounted in the sliding through hole 101, an extending block 424 is disposed at one end of the sliding rod 421 extending out of the outer tube 1, a mounting block 422 is fixedly mounted at the other end of the sliding rod 421, a limiting rod 423 penetrating through the guide chute 4101 is fixedly mounted below the mounting block 422, and the limiting rod 423 is slidably connected with the inner wall of the guide chute 4101.
Wherein, through set up sliding through hole 101 on outer tube 1, can supply sliding rod 421 to pass, after inner tube 2 moves up and drives rotation ring 41 and rotate, sliding rod 421 slides to the direction of keeping away from outer tube 1 under the drive of the installation piece 422 of afterbody, makes the extension piece 424 that is located outer tube 1 outside insert in the ground, can make outer tube 1 more firm insert inside the ground, can increase the vertical resistance to plucking bearing capacity of outer tube 1.
Further, as shown in fig. 6 and 7, a plurality of through grooves 4201 are provided in the middle of the sliding rod 421, the length of the through grooves 4201 is greater than the thickness of the outer tube 1, one end of the through grooves 4201 extends to the mounting block 422, and the plurality of through grooves 4201 are distributed in a circular ring shape on the outer circumferential surface of the sliding rod 421.
When the space between the outer tube 1 and the inner tube 2 needs to be adjusted from an overpressure state to a negative pressure state, the through-slot 4201 is driven to move upwards, so that the space between the outer tube 1 and the inner tube 2 is communicated with the external space, the inner tube 2 continues to move upwards, external water enters the outer tube 1 from the through-slot 4201 and continuously rises along with the rising of the inner tube 2, the rising height of the inner tube 2 is adjusted, the liquid level inside the outer tube 1 is higher than the external water level, the water level produces an adsorption effect on the outer tube 1, and the vertical anti-pulling bearing capacity of the outer tube 1 (i.e. the steel tube pile) can be improved.
Further, as shown in fig. 7 and 8, the end face of the protruding block 424 facing the outer circumferential surface of the outer tube 1 is provided with a gasket 425, the lower end of the protruding block 424 is provided to extend downward, the lower end of the protruding block 424 is provided with a hooked plate, and the gasket 425 is used to block the outside of the sliding through hole 101.
Wherein, when the outer tube 1 is inserted into the interior of the foundation, the upper end of the extension block 424 is positioned above the foundation, and the lower end of the extension block 424 is inserted into the interior of the foundation.
The through groove 4201 is closed only when the inner tube 2 is at the lowest point, and the gasket 425 provided on the extension block 424 is always in close contact with the outer side of the outer tube 1, and when the inner tube 2 moves upward, the through groove 4201 is always in communication with the inner and outer spaces of the outer tube 1.
The working principle is that in the process of pressing the outer pipe 1 and the inner pipe 2 into a foundation, the inner pipe 2 is downwards moved in the outer pipe 1, meanwhile, the first sealing plate 31 and the second sealing plate 32 of the sealing component 3 are tightly arranged in the inner pipe 2, so that a space between the outer pipe 1 and the inner pipe 2 is in an overpressure state, at the moment, the outer pipe 1 can be smoothly pressed into the foundation by hammering or downwards pressing the outer pipe outside, after the outer pipe 1 is arranged in place, the inner pipe 2 is driven to upwards move through the telescopic piece 12, after the inner pipe 2 moves to a certain position, the rotating ring 41 is driven to rotate, the supporting piece 42 extends outwards, the hook-shaped plate on the supporting piece 42 is inserted into the foundation, the vertical anti-pulling bearing capacity of the outer pipe 1 (namely, steel pipe piles) is further improved, meanwhile, in the process of moving the supporting piece 42, the through groove 4201 on the sliding rod 421 penetrates through the space between the inner pipe 1 and the outside, water above the foundation enters the inner pipe 1 (at the moment, the sealing component 3 is in an open state), then the inner pipe 3 is closed, the inner pipe 2 is continuously moved upwards, after the inner pipe 2 is moved upwards, the negative pressure is generated, the inner pipe 1 is further, and the vertical anti-pulling bearing capacity of the outer pipe 1 can be further improved, namely, the vertical anti-pulling force of the outer pipe 1 is generated.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modification or substitution does not depart from the spirit and scope of the embodiments.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411534099.3A CN119061880B (en) | 2024-10-31 | 2024-10-31 | Top closed steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411534099.3A CN119061880B (en) | 2024-10-31 | 2024-10-31 | Top closed steel pipe pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119061880A true CN119061880A (en) | 2024-12-03 |
| CN119061880B CN119061880B (en) | 2025-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411534099.3A Active CN119061880B (en) | 2024-10-31 | 2024-10-31 | Top closed steel pipe pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119061880B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121193A (en) * | 1977-06-23 | 1978-10-17 | Shell Oil Company | Kelly and kelly cock assembly for hard-wired telemetry system |
| US7455105B1 (en) * | 2005-08-08 | 2008-11-25 | Mckee Jim D | Apparatus and method for installing coiled tubing in a well |
| CN111472382A (en) * | 2020-04-28 | 2020-07-31 | 中山大学 | A suction bucket foundation with pulling-resistant steel pipe pile and its installation method |
| CN114045863A (en) * | 2021-10-13 | 2022-02-15 | 河海大学 | Device and method for sinking whole building |
| CN116356805A (en) * | 2023-03-17 | 2023-06-30 | 中航国润(深圳)建筑科技发展有限公司 | Grouting steel pipe miniature pile |
| CN221072697U (en) * | 2023-11-07 | 2024-06-04 | 北京东地岩土工程有限公司 | Foundation pit dewatering structure |
-
2024
- 2024-10-31 CN CN202411534099.3A patent/CN119061880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121193A (en) * | 1977-06-23 | 1978-10-17 | Shell Oil Company | Kelly and kelly cock assembly for hard-wired telemetry system |
| US7455105B1 (en) * | 2005-08-08 | 2008-11-25 | Mckee Jim D | Apparatus and method for installing coiled tubing in a well |
| CN111472382A (en) * | 2020-04-28 | 2020-07-31 | 中山大学 | A suction bucket foundation with pulling-resistant steel pipe pile and its installation method |
| CN114045863A (en) * | 2021-10-13 | 2022-02-15 | 河海大学 | Device and method for sinking whole building |
| CN116356805A (en) * | 2023-03-17 | 2023-06-30 | 中航国润(深圳)建筑科技发展有限公司 | Grouting steel pipe miniature pile |
| CN221072697U (en) * | 2023-11-07 | 2024-06-04 | 北京东地岩土工程有限公司 | Foundation pit dewatering structure |
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| Publication number | Publication date |
|---|---|
| CN119061880B (en) | 2025-02-14 |
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