CN114045819A - Construction method for steel pipe pile of threaded connection trestle - Google Patents
Construction method for steel pipe pile of threaded connection trestle Download PDFInfo
- Publication number
- CN114045819A CN114045819A CN202111395118.5A CN202111395118A CN114045819A CN 114045819 A CN114045819 A CN 114045819A CN 202111395118 A CN202111395118 A CN 202111395118A CN 114045819 A CN114045819 A CN 114045819A
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- China
- Prior art keywords
- steel pipe
- pipe pile
- trestle
- threaded connection
- pile
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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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a construction method of a steel pipe pile of a threaded connection trestle, and relates to the technical field of pipe pile construction. The construction method of the threaded connection trestle steel pipe pile specifically comprises the following operations: s1, welding male threads on the upper portion of a first section of steel pipe pile during steel pipe pile factory machining, welding female threads on the lower portion of a second section of steel pipe pile, completing manufacturing, transporting to the site, wherein the male threads need to be deep according to actual holes on the site, the height of the male threads left after later-stage dismantling is guaranteed to be consistent with that of a riverbed, and navigation safety is guaranteed. According to the construction method of the threaded connection trestle steel pipe pile, the anti-pulling bearing capacity of the trestle steel pipe pile is greatly improved through the customized male threads, the customized female threads and the customized rubber pads, the dismounting is convenient, the method is safe and reliable, the construction efficiency is high, compared with the original production mode, the rotary grabbing head is used during mounting and dismounting, the risks caused by field welding, underwater cutting of personnel and the like are avoided, the personal safety of the operating personnel is ensured, the construction efficiency is improved, and the economic investment is reduced.
Description
Technical Field
The invention relates to the technical field of pipe pile construction, in particular to a construction method for a steel pipe pile of a threaded connection trestle.
Background
The steel pipe pile foundation is widely applied to the technical field of construction, such as a cast-in-place bridge construction temporary support system foundation crossing a river, an underwater construction trestle foundation, and an underwater operation platform foundation of large-scale equipment and structures; the soft foundation section bridge adopts the foundation of a truss support system and the like. The steel pipe pile has the advantages of high bearing capacity, simple construction process, high construction speed, reusable materials, simple connection mode between piles, high stability and low construction cost.
Traditional landing stage is after using, for resuming river navigation, all need pull out landing stage steel-pipe pile or cutting processing, and the environment is more complicated or the pile bottom concrete volume is great can't be pulled out in the environment that partial steel-pipe pile is located, and underwater cutting needs the professional to carry out the construction operation, and the incident takes place easily to the steel pipe when rivers are more urgent river cutting.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of a steel pipe pile of a threaded connection trestle, which solves the problems that after a traditional trestle is used, in order to recover river navigation, the steel pipe pile of the trestle needs to be pulled out or cut, part of the steel pipe piles are in a complex environment or cannot be pulled out due to large pile bottom concrete volume, construction operation is required by professionals for underwater cutting, and safety accidents easily occur to the steel pipe when a river with urgent water flow is cut.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction method for a steel pipe pile of a threaded connection trestle comprises the following specific operations:
s1, welding male threads on the upper portion of a first section of steel pipe pile and welding female threads on the lower portion of a second section of steel pipe pile during in-plant processing of the steel pipe pile, and transporting the steel pipe pile to the site after manufacturing, wherein the male threads need to be manufactured according to the actual hole depth of the site, the height of the left male threads is consistent with that of a riverbed during later-stage dismantling, and navigation safety is guaranteed;
s2, driving the barge with the impact drill to the designed pile position to perform impact drilling operation, and stopping the operation when the drill reaches the designed elevation;
s3, assembling the steel pipe pile on the barge, installing a rubber pad on the male thread, aligning the male thread with the female thread, and screwing the male thread and the female thread by using a rotary gripper on the excavator to ensure fastening and sealing;
s4, hoisting the steel pipe pile, placing the steel pipe pile into a pile hole for flat fixation, placing a guide pipe and pouring underwater concrete, and after the concrete reaches the designed strength, constructing a link rod and an upper structure;
and S5, after the trestle is used, sequentially removing the upper structure, finally unscrewing the steel pipe pile by using a rotary grabbing head arranged on the excavator, and abandoning the part below the river bottom.
(III) advantageous effects
The invention provides a construction method for a steel pipe pile of a threaded connection trestle. The method has the following beneficial effects:
according to the construction method of the threaded connection trestle steel pipe pile, the anti-pulling bearing capacity of the trestle steel pipe pile is greatly improved through the customized male threads, the customized female threads and the customized rubber pads, the dismounting is convenient, the method is safe and reliable, the construction efficiency is high, compared with the original production mode, the rotary grabbing head is used during mounting and dismounting, the risks caused by field welding, underwater cutting of personnel and the like are avoided, the personal safety of the operating personnel is ensured, the construction efficiency is improved, and the economic investment is reduced.
Drawings
FIG. 1: the front view of the invention;
in the figure: 1. a rubber pad; 2. a male thread; 3. female threads; 4. provided is a steel pipe pile.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a construction method for a steel pipe pile of a threaded connection trestle comprises the following specific operations:
s1, welding the male thread 2 to the upper part of a first section of steel pipe pile 4 and welding the female thread 3 to the lower part of a second section of steel pipe pile 4 during in-plant processing of the steel pipe pile 4, and transporting the steel pipe pile to the site after manufacturing, wherein the male thread 2 needs to be manufactured according to the actual hole depth on the site, so that the height of the left male thread 2 is consistent with the height of a riverbed during later-stage dismantling, and navigation safety is guaranteed;
s2, driving the barge with the impact drill to the designed pile position to perform impact drilling operation, and stopping the operation when the drill reaches the designed elevation;
s3, assembling the steel pipe pile 4 on the barge, installing the rubber gasket 1 on the male thread 2, aligning the rubber gasket with the female thread 3, and screwing the steel pipe pile with a rotary gripper on the excavator to ensure fastening and sealing;
s4, hoisting the steel pipe pile 4, placing the steel pipe pile 4 into a guide pipe and pouring underwater concrete, and after the concrete reaches the designed strength, constructing a link rod and an upper structure;
and S5, after the trestle is used, sequentially removing the upper structure, finally unscrewing the steel pipe pile 4 by using a rotary grabbing head arranged on the excavator, and abandoning the part below the river bottom.
Firstly, determining the rock-entering depth and the thickness of riverbed sludge according to design, determining the pile length of a first section of steel pipe pile, ensuring that the navigation of a riverway is not influenced after the steel pipe pile is dismantled, installing male threads on the upper part of the first section and installing female threads on the lower part of a second section, connecting and screwing the steel pipe pile by utilizing a rotary grabbing head installed on an excavator, and filling rubber pads among the steel pipe piles to ensure sealing. The barge is used for replacing an overwater hole-turning platform, the impact drill is driven to impact a hole to a specified position, the trestle threaded connection steel pipe pile is placed into a pile hole after the hole is formed, the guide pipe is used for pouring underwater concrete, the steel pipe pile is fixed, and then follow-up work is carried out. After the trestle is used, the superstructure is sequentially dismantled, the steel pipe pile is unscrewed and dismantled by using the rotary grabbing head arranged on the excavator, and the part below the river bottom is abandoned, so that the navigation requirement is met.
In conclusion, according to the construction method for the steel pipe pile of the threaded connection trestle, the anti-pulling bearing capacity of the steel pipe pile of the trestle is greatly improved through the customized male threads, female threads and the rubber pads, the steel pipe pile of the trestle is convenient to disassemble, safe, reliable and high in construction efficiency.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A construction method for a steel pipe pile of a threaded connection trestle is characterized by comprising the following steps: the specific operation is as follows:
s1, welding the male threads (2) on the upper portion of a first section of steel pipe pile (4) and welding the female threads (3) on the lower portion of a second section of steel pipe pile (4) during in-plant processing of the steel pipe pile (4), and transporting the steel pipe pile to the site after manufacturing, wherein the male threads (2) need to be manufactured according to the actual hole depth of the site, so that the height of the left male threads (2) is consistent with that of a riverbed during later-stage dismantling, and navigation safety is guaranteed;
s2, driving the barge with the impact drill to the designed pile position to perform impact drilling operation, and stopping the operation when the drill reaches the designed elevation;
s3, assembling the steel pipe pile (4) on the barge, installing the rubber pad (1) on the male thread (2), aligning the male thread with the female thread (3), and screwing the male thread and the female thread tightly by using a rotary gripper on the excavator to ensure fastening and sealing;
s4, hoisting the steel pipe pile (4), placing the steel pipe pile (4) into a pile hole for flat fixation, placing a guide pipe and pouring underwater concrete, and after the concrete reaches the designed strength, carrying out construction of a link rod and an upper structure;
s5, after the trestle is used, sequentially removing the upper structure, finally unscrewing the steel pipe pile (4) by using a rotary grabbing head arranged on the excavator, and abandoning the part below the river bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395118.5A CN114045819A (en) | 2021-11-23 | 2021-11-23 | Construction method for steel pipe pile of threaded connection trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395118.5A CN114045819A (en) | 2021-11-23 | 2021-11-23 | Construction method for steel pipe pile of threaded connection trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114045819A true CN114045819A (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111395118.5A Pending CN114045819A (en) | 2021-11-23 | 2021-11-23 | Construction method for steel pipe pile of threaded connection trestle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117488800A (en) * | 2024-01-02 | 2024-02-02 | 中国建筑第六工程局有限公司 | Deep-sea steel pipe pile separation recovery device and construction method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312442A (en) * | 2011-07-01 | 2012-01-11 | 中铁大桥局股份有限公司 | Construction method of trestle steel pipe pile foundation |
| CN210395319U (en) * | 2019-02-19 | 2020-04-24 | 淮阴工学院 | But recovery type steel-pipe pile convenient to clearance stake core soil |
-
2021
- 2021-11-23 CN CN202111395118.5A patent/CN114045819A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312442A (en) * | 2011-07-01 | 2012-01-11 | 中铁大桥局股份有限公司 | Construction method of trestle steel pipe pile foundation |
| CN210395319U (en) * | 2019-02-19 | 2020-04-24 | 淮阴工学院 | But recovery type steel-pipe pile convenient to clearance stake core soil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117488800A (en) * | 2024-01-02 | 2024-02-02 | 中国建筑第六工程局有限公司 | Deep-sea steel pipe pile separation recovery device and construction method |
| CN117488800B (en) * | 2024-01-02 | 2024-05-14 | 中国建筑第六工程局有限公司 | Deep-sea steel pipe pile separation recovery device and construction method |
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Application publication date: 20220215 |