CN115450238A - Steel sheet pile easy to pull out and construction method thereof - Google Patents
Steel sheet pile easy to pull out and construction method thereof Download PDFInfo
- Publication number
- CN115450238A CN115450238A CN202211246319.3A CN202211246319A CN115450238A CN 115450238 A CN115450238 A CN 115450238A CN 202211246319 A CN202211246319 A CN 202211246319A CN 115450238 A CN115450238 A CN 115450238A
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- pile body
- construction method
- steel
- Prior art date
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 102
- 239000010959 steel Substances 0.000 title claims abstract description 102
- 238000010276 construction Methods 0.000 title claims abstract description 25
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 30
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 28
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 28
- 230000004913 activation Effects 0.000 claims abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052743 krypton Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- URXNVXOMQQCBHS-UHFFFAOYSA-N naphthalene;sodium Chemical compound [Na].C1=CC=CC2=CC=CC=C21 URXNVXOMQQCBHS-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses an easy-to-pull steel sheet pile and a construction method thereof, wherein the construction method comprises the following steps: providing a steel sheet pile body, and carrying out surface rust removal on the steel sheet pile body; providing a polytetrafluoroethylene plate and carrying out surface activation treatment on the polytetrafluoroethylene plate; adhering the polytetrafluoroethylene plate to the steel sheet pile body; provide steel stake point, will steel stake point is connected steel sheet pile body bottom is convenient for pulling out of steel sheet pile through this application and is inserted.
Description
Technical Field
The invention relates to the technical field of steel sheet pile construction, in particular to an easily-pulled steel sheet pile and a construction method thereof.
Background
The cofferdam steel sheet pile construction of the underwater bridge bearing platform usually adopts the traditional hydraulic vibration hammer and a jack to carry out the insertion and extraction of the steel sheet pile, and the auxiliary insertion and beating mode is mainly a water jet induced hole method or a drilling method of a hole leading machine. The method is suitable for the condition that the soil resistance is small, and is not suitable for soil layers with large soil resistance, such as silty clay, building waste layers and the like. In addition, after the concrete at the bottom of the cofferdam is sealed, the concrete and the steel sheet pile are bonded with each other, so that the steel sheet pile is difficult to pull out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an easily-pulled steel sheet pile and a construction method thereof, can easily realize the insertion and driving of the steel sheet pile, is applied to the construction of a soil layer cofferdam with larger resistance, such as a silty clay layer, a construction waste layer and the like at the lower part, can reduce the soil resistance and the friction force contacted with bottom sealing concrete, is convenient for quickly pulling out the steel sheet pile, and avoids the condition that the steel sheet pile cannot be pulled out and recycled.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps: providing a steel sheet pile body, and carrying out surface rust removal on the steel sheet pile body; providing a polytetrafluoroethylene plate and carrying out surface activation treatment on the polytetrafluoroethylene plate; sticking the polytetrafluoroethylene plate on the steel sheet pile body; and providing a steel pile tip, and connecting the steel pile tip to the bottom of the steel sheet pile body.
The construction method of the easily-pulled steel sheet pile is further improved in that the surface of the steel sheet pile body is roughened after the surface of the steel sheet pile body is derusted and before the polytetrafluoroethylene plate is adhered.
The construction method of the easily-pulled steel sheet pile is further improved in that the surface of the steel sheet pile body is degreased after the surface of the steel sheet pile body is roughened and before the polytetrafluoroethylene plate is adhered.
The construction method of the easily-pulled steel sheet pile is further improved in that when the steel pile tip is connected, the polytetrafluoroethylene plate and the closing opening of the steel sheet pile body are completely wrapped.
The easy-to-pull steel sheet pile is constructed by the construction method of the easy-to-pull steel sheet pile.
The easy-to-pull steel sheet pile is further improved in that the steel sheet pile comprises two polytetrafluoroethylene plates which are respectively adhered to the inner side and the outer side of the bottom of the steel sheet pile body.
Compared with the prior art, the invention has the advantages that:
1. the polytetrafluoroethylene plate is adhered to the steel sheet pile, so that friction force between the pile body and the soil body is reduced, and the soil body is convenient to insert and pull out.
2. Through steel sheet pile bottom is connected the steel stake point, when being convenient for insert and beat, still protected polytetrafluoroethylene board, avoided polytetrafluoroethylene board is the hem when pulling out to insert.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flow chart of the easy-to-remove steel sheet pile and the construction method thereof.
Fig. 2 is a sectional view of a steel sheet pile easily removable and a construction method thereof according to the present invention.
Fig. 3 is a schematic structural diagram of a steel pile tip of the easily removable steel sheet pile and the construction method thereof.
In the figure: 1. a steel sheet pile body; 2. a polytetrafluoroethylene sheet; 3. and (4) a steel pile tip.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The steel sheet pile easy to remove and the construction method thereof according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, a construction method of an easily removable steel sheet pile includes the steps of:
s1, providing a steel sheet pile body 1, and carrying out surface rust removal on the steel sheet pile body 1.
Specifically, after the surface of the steel sheet pile body 1 is derusted and before the teflon plate 2 is attached, the surface of the steel sheet pile body 1 is roughened.
Specifically, after the surface of the steel sheet pile body 1 is roughened and before the teflon plate 2 is attached, the surface of the steel sheet pile body 1 is degreased.
Specifically, acetone is used for wiping and degreasing the iron-made steel sheet pile, while chemical treatment is required for the surface of the plastic-made steel sheet pile with low surface energy.
And S2, providing the polytetrafluoroethylene plate 2 and carrying out surface activation treatment on the polytetrafluoroethylene plate 2.
Specifically, the polytetrafluoroethylene plate 2 is subjected to surface activation treatment by adopting a sodium-naphthalene complex solution, and a high-activity khaki or brown layer with the thickness of tens of microns is formed on the surface of the polytetrafluoroethylene plate to provide a bonding foundation for subsequent bonding on the steel sheet pile.
And S3, adhering the polytetrafluoroethylene plate 2 to the steel sheet pile body 1.
Specifically, glue solutions are respectively coated on the inner side surface and the outer side surface of the steel sheet pile, the glue solutions adopt 101 krypton ester adhesive, the 101 krypton ester adhesive is coated twice, after the glue layer of the first time is slightly dried, the glue layer of the second time is coated, the bonding length is the depth of the steel sheet pile into the soil, the thickness of the concrete back cover is added by 0.3m, the thickness of the glue layer is about 0.25mm, the steel sheet pile is aligned after gluing and folding, the surface of the steel sheet pile is bonded with the polytetrafluoroethylene plastic plate and fixed in a pressing mode until the glue layer is cured, and the curing time is generally not less than 24 hours.
And S4, providing a steel pile tip 3, and connecting the steel pile tip 3 to the bottom of the steel sheet pile body 1.
Specifically, when the steel pile tip 3 is connected, the polytetrafluoroethylene plate 2 and the closing opening of the steel sheet pile body 1 are completely wrapped.
Specifically, adopt hydraulic pressure vibratory hammer and jack to carry out the construction of steel sheet pile plug, cooperate the draw hole machine in the work progress and draw the hole.
The steel sheet pile structure easy to pull out comprises a steel sheet pile body 1, polytetrafluoroethylene plates 2 adhered to the inner side and the outer side of the bottom of the steel sheet pile body 1, and a steel pile tip 3 connected to the bottom end of the steel sheet pile body 1.
Specifically, a U-shaped notch for completely wrapping the polytetrafluoroethylene plate 2 and the closing opening of the steel sheet pile body 1 is formed at the top of the steel pile tip 3.
The easy-to-pull steel sheet pile is constructed by the construction method of the easy-to-pull steel sheet pile.
Specifically, the steel sheet pile comprises two polytetrafluoroethylene plates 2 which are respectively adhered to the inner side and the outer side of the bottom of the steel sheet pile body 1.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The construction method of the steel sheet pile easy to pull out is characterized by comprising the following steps: providing a steel sheet pile body, and carrying out surface rust removal on the steel sheet pile body; providing a polytetrafluoroethylene plate and carrying out surface activation treatment on the polytetrafluoroethylene plate; sticking the polytetrafluoroethylene plate on the steel sheet pile body; and providing a steel pile tip, and connecting the steel pile tip to the bottom of the steel sheet pile body.
2. The construction method of an easily removable steel sheet pile according to claim 1, wherein the surface of the steel sheet pile body is roughened after the rust removal of the surface of the steel sheet pile body and before the teflon plate is attached.
3. The method of constructing an easily removable steel sheet pile according to claim 2, wherein the surface of the steel sheet pile body is degreased after the surface of the steel sheet pile body is roughened and before the teflon plate is attached.
4. The easy-to-pull-out steel sheet pile construction method according to claim 1, wherein the polytetrafluoroethylene plate and the closure of the steel sheet pile body are completely wrapped when the steel pile tip is connected.
5. An easily removable steel sheet pile, characterized by being constructed by the easily removable steel sheet pile construction method according to any one of claims 1 to 4.
6. The easy-to-pull-out steel sheet pile according to claim 5, wherein the teflon plates are two and are respectively adhered to the inner side and the outer side of the bottom of the steel sheet pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246319.3A CN115450238A (en) | 2022-10-12 | 2022-10-12 | Steel sheet pile easy to pull out and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246319.3A CN115450238A (en) | 2022-10-12 | 2022-10-12 | Steel sheet pile easy to pull out and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115450238A true CN115450238A (en) | 2022-12-09 |
Family
ID=84308410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211246319.3A Pending CN115450238A (en) | 2022-10-12 | 2022-10-12 | Steel sheet pile easy to pull out and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115450238A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06115004A (en) * | 1992-10-08 | 1994-04-26 | Nippon Steel Corp | Polyolefin-coated steel material with design |
| CN202865845U (en) * | 2012-09-13 | 2013-04-10 | 中交三公局第二工程有限公司 | 'Water knife' structure assisting in inserting and piling steel sheet pile |
| CN104652434A (en) * | 2014-12-23 | 2015-05-27 | 广州机施建设集团有限公司 | Pile planting construction method for steel sheet piles |
| CN106801416A (en) * | 2017-02-09 | 2017-06-06 | 成都启立辰智科技有限公司 | A kind of building pile structure |
| CN111472356A (en) * | 2020-04-14 | 2020-07-31 | 周力 | Larsen steel sheet pile sleeve obstacle clearing and pile pulling construction method |
| CN112459092A (en) * | 2020-11-27 | 2021-03-09 | 中铁二十局集团第三工程有限公司 | Steel sheet pile cofferdam and dismantling method thereof |
| CN113463647A (en) * | 2021-06-11 | 2021-10-01 | 中国五冶集团有限公司 | Construction method for steel sheet pile support serving as foundation pit top water interception and safety protection measures |
| CN114892639A (en) * | 2022-05-06 | 2022-08-12 | 江苏省地质矿产局第三地质大队 | Steel sheet pile capable of being disassembled and synchronously grouted in pile pulling process and using method thereof |
-
2022
- 2022-10-12 CN CN202211246319.3A patent/CN115450238A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06115004A (en) * | 1992-10-08 | 1994-04-26 | Nippon Steel Corp | Polyolefin-coated steel material with design |
| CN202865845U (en) * | 2012-09-13 | 2013-04-10 | 中交三公局第二工程有限公司 | 'Water knife' structure assisting in inserting and piling steel sheet pile |
| CN104652434A (en) * | 2014-12-23 | 2015-05-27 | 广州机施建设集团有限公司 | Pile planting construction method for steel sheet piles |
| CN106801416A (en) * | 2017-02-09 | 2017-06-06 | 成都启立辰智科技有限公司 | A kind of building pile structure |
| CN111472356A (en) * | 2020-04-14 | 2020-07-31 | 周力 | Larsen steel sheet pile sleeve obstacle clearing and pile pulling construction method |
| CN112459092A (en) * | 2020-11-27 | 2021-03-09 | 中铁二十局集团第三工程有限公司 | Steel sheet pile cofferdam and dismantling method thereof |
| CN113463647A (en) * | 2021-06-11 | 2021-10-01 | 中国五冶集团有限公司 | Construction method for steel sheet pile support serving as foundation pit top water interception and safety protection measures |
| CN114892639A (en) * | 2022-05-06 | 2022-08-12 | 江苏省地质矿产局第三地质大队 | Steel sheet pile capable of being disassembled and synchronously grouted in pile pulling process and using method thereof |
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