CN111254959A - Underwater steel sheet pile cofferdam structure and construction method - Google Patents
Underwater steel sheet pile cofferdam structure and construction method Download PDFInfo
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- CN111254959A CN111254959A CN202010112700.5A CN202010112700A CN111254959A CN 111254959 A CN111254959 A CN 111254959A CN 202010112700 A CN202010112700 A CN 202010112700A CN 111254959 A CN111254959 A CN 111254959A
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- steel sheet
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- 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
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- Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides an underwater steel sheet pile cofferdam structure and a construction method, and the underwater steel sheet pile cofferdam structure comprises a platform, soil, a pin shaft, a protective sleeve, a steel sheet column, concrete, a steel pipe, a limiting plate, a positioning plate and a fastening bolt, wherein the platform is arranged on the upper side of the soil, the steel pipe is arranged at the joint of the platform and the soil, the pin shaft is arranged on the upper end surface of the steel pipe, the steel sheet column is arranged at the joint of the soil and the platform, the protective sleeve is arranged on the upper end surface of the steel sheet column, the concrete is poured at the joint of the steel sheet column and the soil, the limiting plate is fixed on the annular side surface of the steel pipe, the positioning plate is arranged on the upper end surface of the limiting plate, and the fastening bolt is connected on the upper.
Description
Technical Field
The invention discloses an underwater steel sheet pile cofferdam structure and a construction method, and belongs to the technical field of underwater steel sheet pile cofferdams.
Background
The steel sheet pile cofferdam is the most common one. The steel sheet pile is a section steel with locking notch, and its section has straight plate shape, groove shape and Z shape, and has various sizes and interlocking forms. The common cofferdam structure comprises a Larson type cofferdam, a Rakawanna type cofferdam and the like, and an underwater steel sheet pile cofferdam structure is needed when the steel sheet column cofferdam is used.
Among the prior art, current underwater steel sheet pile cofferdam structure is not convenient for install when using, influences the installation progress, and the result of use is not good, and the problem that the aforesaid appears is solved to an urgent need now steel sheet pile cofferdam structure and construction method under water.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an underwater steel sheet pile cofferdam structure to solve the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an underwater steel sheet pile cofferdam structure, includes platform, soil and the installation component of being convenient for, the platform is installed to the soil upside, the platform is provided with the installation component of being convenient for with the soil junction, the installation component of being convenient for is including round pin axle, lag, steel sheet post, concrete, steel pipe, limiting plate, locating plate and fastening bolt, the steel pipe is installed with the soil junction to the platform, round pin axle is installed to the steel pipe up end, the steel sheet post is installed with the platform junction to soil, the lag is installed to steel sheet post up end, the steel sheet post has the concrete with the soil junction watering, steel pipe annular side is fixed with the limiting plate, the locating plate is installed to the limiting plate up end, the locating plate up end is connected with fastening bolt.
Furthermore, a positioning pin is installed at the joint of the positioning plate and the limiting plate, a positioning hole is formed in the lower end face of the positioning plate, a positioning hole is formed in the upper end face of the limiting plate, and the positioning pin is matched with the positioning hole.
Further, the mounting groove has been seted up to the terminal surface under the platform, steel pipe annular side upside and mounting groove phase-match.
Furthermore, the upper side of the annular side face in the steel pipe is provided with an internal thread, the lower side of the annular side face of the pin shaft is provided with an external thread, and the pin shaft is connected with the steel pipe through a thread.
Furthermore, a through hole is formed in the upper end face of the positioning plate, and the diameter of the steel pipe is matched with the inner diameter of the through hole.
Furthermore, a connecting hole is formed in the middle of the upper end face of the positioning plate, the steel plate column is matched with the connecting hole, and a chamfer is arranged on the lower side of the annular side face of the steel plate column.
Furthermore, a protection hole is formed in the lower end face of the protection sleeve, and the steel plate column is matched with the protection hole.
Further, the limiting plate is connected with the steel pipe through a welding mode, the steel pipe is provided with a plurality of groups, the specifications of the plurality of groups of steel pipes are the same, and concrete is filled in the steel pipe.
Furthermore, a cylindrical hole is formed in the upper end face of the limiting plate, an internal thread is arranged inside the cylindrical hole, and the fastening bolt penetrates through the positioning plate and is connected with the limiting plate through the thread.
The invention has the beneficial effects that: according to the underwater steel sheet pile cofferdam structure, the pin shaft, the protective sleeve, the steel sheet column, the concrete, the steel pipe, the limiting plate, the positioning plate and the fastening bolt are added, so that the steel sheet pile cofferdam is convenient to install, the problem that the original underwater steel sheet pile cofferdam structure is poor in use effect is solved, and the installation convenience is improved.
Because of the locating pin is installed with the limiting plate junction to the locating plate, the locating hole has been seted up to the terminal surface under the locating plate, the locating hole has been seted up to the limiting plate up end, locating pin and locating hole phase-match, this design plays the positioning action when locating plate and limiting plate are connected through using the locating pin, because of the mounting groove has been seted up to the terminal surface under the platform, steel pipe annular side upside and mounting groove phase-match, this design is convenient for be connected steel pipe and platform, because of the steel pipe annular side upside is provided with the internal thread, round pin axle annular side downside is provided with the external screw thread, the round pin axle is connected through the screw thread with the steel pipe, this design is through using threaded connection, the firm nature of junction.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an underwater steel sheet pile cofferdam structure of the invention;
FIG. 2 is a front sectional view of an easy-to-install assembly in an underwater steel sheet pile cofferdam structure of the present invention;
FIG. 3 is an enlarged view of A in the underwater steel sheet pile cofferdam structure of the present invention;
in the figure: 1-platform, 2-soil, 3-assembly facilitating, 31-pin shaft, 32-protective sleeve, 33-steel plate column, 34-concrete, 35-steel pipe, 36-limiting plate, 37-positioning plate, 38-fastening bolt and 361-positioning pin.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an underwater steel sheet pile cofferdam structure, includes platform 1, soil 2 and the installation component 3 of being convenient for, and platform 1 is installed to 2 upsides in soil, and platform 1 is provided with the installation component 3 of being convenient for with 2 junctions in soil.
Be convenient for installation component 3 includes round pin axle 31, lag 32, steel sheet post 33, concrete 34, steel pipe 35, limiting plate 36, locating plate 37 and fastening bolt 38, steel pipe 35 is installed with soil 2 junction to platform 1, round pin axle 31 is installed to steel pipe 35 up end, soil 2 is installed steel sheet post 33 with platform 1 junction, lag 32 is installed to steel sheet post 33 up end, steel sheet post 33 waters with soil 2 junction and has concrete 34, steel pipe 35 annular side is fixed with limiting plate 36, locating plate 37 is installed to limiting plate 36 up end, locating plate 37 up end is connected with fastening bolt 38, the not good problem of original underwater steel sheet pile cofferdam structure result of use has been solved in this design.
A positioning pin 361 is arranged at the joint of the positioning plate 37 and the limiting plate 36, a positioning hole is arranged on the lower end surface of the positioning plate 37, a positioning hole is arranged on the upper end surface of the limiting plate 36, the positioning pin 361 is matched with the positioning hole, the design plays a role in positioning when the positioning plate 37 is connected with the limiting plate 36 by using the positioning pin 361, the lower end surface of the platform 1 is provided with a mounting groove, the upper side of the annular side surface of the steel pipe 35 is matched with the mounting groove, the design is convenient for connecting the steel pipe 35 and the platform 1, the upper side of the annular side surface in the steel pipe 35 is provided with internal threads, the lower side of the annular side surface of the pin shaft 31 is provided with external threads, the pin shaft 31 is connected with the steel pipe 35 through the threads, this design has strengthened the firm nature of junction through using threaded connection, and the through-hole has been seted up to locating plate 37 up end, and steel pipe 35 diameter and through-hole internal diameter phase-match, this design is convenient for play the positioning action to steel pipe 35 to and strengthen the compactness of junction.
A connecting hole is arranged in the middle of the upper end surface of the positioning plate 37, the steel plate column 33 is matched with the connecting hole, a chamfer is arranged on the lower side of the annular side surface of the steel plate column 33, the design is convenient for installing the steel plate columns 33 and the positioning plate 37, the lower end surface of the protective sleeve 32 is provided with protective holes, the steel plate columns 33 are matched with the protective holes, the design is convenient for the steel plate column 33 and the protective sleeve 32 to be installed, thereby protecting the steel plate column 33, the limiting plate 36 is connected with the steel pipe 35 by welding, the steel pipe 35 is provided with a plurality of groups, the specifications of the plurality of groups of steel pipes 35 are the same, the steel pipe 35 is filled with concrete 34, this design has improved the stability of junction, and the cylindrical hole has been seted up to limiting plate 36 up end, and the inside internal thread that is provided with in cylindrical hole, and fastening bolt 38 runs through locating plate 37 and is connected through the screw thread with limiting plate 36, and this design is convenient for install fixed limiting plate 36 and locating plate 37.
As an embodiment of the present invention: when the steel sheet pile cofferdam needs to be installed, a worker installs the steel pipe 35 in the soil 2, then the positioning plate 37 is connected with the limiting plate 36 under the action of the positioning pin 361, the positioning plate 37 is fixed with the limiting plate 36 under the action of the fastening bolt 38, then the steel sheet column 33 sleeved with the protective sleeve 32 is connected with the connecting hole and inserted into the soil 2, the positioning plate 37 plays a role in positioning the steel sheet column 33, then the concrete 34 is poured into the steel pipe 35, and finally the steel pipe 35 is connected and fixed with the platform 1 through the pin shaft 31, so that the purpose of convenience in installation is achieved, and the practicability of the steel sheet pile cofferdam is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an underwater steel sheet pile cofferdam structure, includes platform, soil and the installation component of being convenient for, its characterized in that: a platform is arranged on the upper side of the soil, and a convenient installation component is arranged at the joint of the platform and the soil;
the installation component comprises a pin shaft, a protective sleeve, a steel plate column, concrete, a steel pipe, a limiting plate, a positioning plate and a fastening bolt, the steel pipe is installed at the joint of the platform and the soil, the pin shaft is installed on the upper end face of the steel pipe, the steel plate column is installed at the joint of the soil and the platform, the protective sleeve is installed on the upper end face of the steel plate column, the concrete is poured at the joint of the steel plate column and the soil, the limiting plate is fixed to the annular side face of the steel pipe, the positioning plate is installed on the upper end face of the limiting plate, and the fastening bolt is connected to the.
2. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the locating plate is characterized in that a locating pin is arranged at the joint of the locating plate and the limiting plate, a locating hole is formed in the lower end face of the locating plate, a locating hole is formed in the upper end face of the limiting plate, and the locating pin is matched with the locating hole.
3. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the mounting groove has been seted up to the terminal surface under the platform, steel pipe annular side upside and mounting groove phase-match.
4. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the steel pipe is characterized in that internal threads are arranged on the upper side of the annular side face in the steel pipe, external threads are arranged on the lower side of the annular side face of the pin shaft, and the pin shaft is connected with the steel pipe through threads.
5. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the locating plate upper end face is seted up the through-hole, the steel pipe diameter and through-hole internal diameter phase-match.
6. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the locating plate upper end face intermediate position has seted up the connecting hole, steel sheet post and connecting hole phase-match, steel sheet post annular side downside is provided with the chamfer.
7. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the lower end face of the protective sleeve is provided with a protective hole, and the steel plate column is matched with the protective hole.
8. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the limiting plate is connected with the steel pipes in a welding mode, the steel pipes are provided with multiple groups, the specifications of the multiple groups of steel pipes are the same, and concrete is filled in the steel pipes.
9. The underwater steel sheet pile cofferdam structure of claim 1, wherein: the limiting plate is characterized in that a cylindrical hole is formed in the upper end face of the limiting plate, an internal thread is arranged in the cylindrical hole, and the fastening bolt penetrates through the locating plate and is connected with the limiting plate through the thread.
10. A construction method of an underwater steel sheet pile cofferdam structure according to any one of claims 1-9, characterized in that: make locating plate and limiting plate fixed under fastening bolt's effect, then be connected the steel sheet post that the cover has the lag with the connecting hole, insert inside the soil, the locating plate plays the positioning action to the steel sheet post, then with inside the concrete pouring steel pipe, make steel pipe and platform be connected fixedly through the round pin axle at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112700.5A CN111254959A (en) | 2020-02-24 | 2020-02-24 | Underwater steel sheet pile cofferdam structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112700.5A CN111254959A (en) | 2020-02-24 | 2020-02-24 | Underwater steel sheet pile cofferdam structure and construction method |
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| CN111254959A true CN111254959A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010112700.5A Pending CN111254959A (en) | 2020-02-24 | 2020-02-24 | Underwater steel sheet pile cofferdam structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095642A (en) * | 2020-09-21 | 2020-12-18 | 山东鲁桥建设有限公司 | Steel sheet pile cofferdam structure and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003232031A (en) * | 2002-05-07 | 2003-08-19 | Murakami Kogyo Kk | Pre-pile concrete sheet pile |
| CN101793023A (en) * | 2010-01-06 | 2010-08-04 | 南通顺达路桥建设工程有限公司 | Foundation pit construction method |
| CN207314322U (en) * | 2017-09-29 | 2018-05-04 | 中国建筑第六工程局有限公司 | A kind of guide frame for the construction of Larsen steel sheet pile circular cofferdam |
| CN209277180U (en) * | 2018-12-04 | 2019-08-20 | 中铁四局集团第五工程有限公司 | Deepwater foundation steel sheet pile cofferdam construction device |
| CN110565667A (en) * | 2019-09-29 | 2019-12-13 | 中铁大桥局第九工程有限公司 | Steel sheet pile cofferdam with slip casting platform |
-
2020
- 2020-02-24 CN CN202010112700.5A patent/CN111254959A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003232031A (en) * | 2002-05-07 | 2003-08-19 | Murakami Kogyo Kk | Pre-pile concrete sheet pile |
| CN101793023A (en) * | 2010-01-06 | 2010-08-04 | 南通顺达路桥建设工程有限公司 | Foundation pit construction method |
| CN207314322U (en) * | 2017-09-29 | 2018-05-04 | 中国建筑第六工程局有限公司 | A kind of guide frame for the construction of Larsen steel sheet pile circular cofferdam |
| CN209277180U (en) * | 2018-12-04 | 2019-08-20 | 中铁四局集团第五工程有限公司 | Deepwater foundation steel sheet pile cofferdam construction device |
| CN110565667A (en) * | 2019-09-29 | 2019-12-13 | 中铁大桥局第九工程有限公司 | Steel sheet pile cofferdam with slip casting platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095642A (en) * | 2020-09-21 | 2020-12-18 | 山东鲁桥建设有限公司 | Steel sheet pile cofferdam structure and construction method thereof |
| CN112095642B (en) * | 2020-09-21 | 2021-04-06 | 山东鲁桥建设有限公司 | Steel sheet pile cofferdam structure and construction method thereof |
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Application publication date: 20200609 |
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