CN114922210B - Island-building cofferdam construction platform structure - Google Patents
Island-building cofferdam construction platform structure Download PDFInfo
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- CN114922210B CN114922210B CN202210598731.5A CN202210598731A CN114922210B CN 114922210 B CN114922210 B CN 114922210B CN 202210598731 A CN202210598731 A CN 202210598731A CN 114922210 B CN114922210 B CN 114922210B
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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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- 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
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
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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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/16—Auxiliary devices rigidly or detachably arranged on sheet piles for facilitating assembly
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Abstract
The invention discloses a island-building cofferdam construction platform structure, which relates to the technical field of island-building cofferdam construction platforms and solves the problem of offset when steel sheet pile vertebrae are driven and installed.
Description
Technical Field
The invention relates to the technical field of island-building cofferdam construction platforms, in particular to an island-building cofferdam construction platform structure.
Background
As the name implies, namely, the island is filled in water for construction, and the cofferdam refers to a temporary enclosure structure which is built for building permanent water conservancy facilities in the underwater engineering construction. The cofferdam has the functions of preventing water and soil from entering the building position of the building so as to drain water in the cofferdam, excavate a foundation pit and build the building. The cofferdam is mainly used in hydraulic buildings in general, and the cofferdam is dismantled after being used up except for being used as a part of a formal building.
In the bridge foundation construction, when bridge piers and platform foundations are positioned below the ground surface water level, earth weirs in various forms are built according to local materials; in rivers with deep water and large flow velocity, sheet-pile or steel sheet pile (single-layer or double-layer) cofferdams can be adopted, and at present, double-layer thin-wall steel cofferdams are mostly used. The cofferdam can be used for preventing water and enclosing water and can also be used for supporting the pit wall of the foundation pit.
Wherein when using steel sheet pile cofferdam in the great river of the deep and velocity of flow of water, need squeeze into the earth of river bottom with a plurality of steel sheet piles one by one, do not have the effect of leading to it to the in-process that the steel sheet pile is squeezed into one by one, easily cause the slope of steel sheet pile at the in-process of beating, the steel sheet pile after the river is squeezed into in the slope will influence the leakproofness between the steel sheet pile, thereby influence the leakproofness of the closed space that the steel sheet pile encloses, and influence the river and get into the construction to its inside building body through the suspected gap between the steel sheet pile and cause the influence, cause the infiltration in the work progress and influence the quality of building
Therefore, a platform structure for constructing the island cofferdam is provided.
Disclosure of Invention
The invention aims to provide a island-building cofferdam construction platform structure which is convenient for splicing and mounting steel sheet piles and is convenient for erecting, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a build island cofferdam construction platform structure, includes upright pile, support frame and extension rod, and quantity is four forms that are the rectangle array and installs the island construction position of building in the river, and its one side is the fixed supporting shoe that is equipped with all, top one side of supporting shoe is all fixed and is equipped with the reference column, the support frame with the upright pile is inserted and is established the connection, its inner wall corner all seted up with upright pile assorted arc recess, just one side of arc recess is located seted up on the support frame with reference column assorted locating hole, the extension rod with below one side fixed connection of support frame, its outside equidistance are fixed and are equipped with the flange, the guiding hole has been seted up to the equidistance on the flange, the inside slip of guiding hole is equipped with the guide bar, the fixed connecting rod that is equipped with of one end of guide bar, the other end of connecting rod and the lateral wall fixed connection of steel sheet pile, every sealed spout has all been seted up to one side of steel sheet pile, the opposite side of steel sheet pile all fixed be equipped with sealed picture peg of sealed spout assorted, be equipped with the support reinforcement subassembly on the extension rod.
Preferably, the supporting and reinforcing component comprises V-shaped reinforcing rods, L-shaped reinforcing blocks are fixedly arranged at two ends of each V-shaped reinforcing rod, U-shaped reinforcing blocks are fixedly arranged in the middles of the V-shaped reinforcing rods, mounting holes are formed in the L-shaped reinforcing blocks and the U-shaped reinforcing blocks, threaded holes matched with the mounting holes are formed in the extension rods at equal distances, the mounting holes are connected with the threaded holes through fixing bolts in a threaded mode, and the stability of the steel sheet piles after installation and splicing is improved by additionally arranging the supporting and reinforcing component.
Preferably, be equipped with support piece on the support frame, support piece is including offering in jack on the adjacent both sides limit of support frame, the inside of jack is all inserted and is equipped with the inserted bar, first through-hole has all been seted up at the both ends of inserted bar, the both sides of jack just are located seted up on the support frame with first through-hole assorted second through-hole, first through-hole with the inside of second through-hole slides and inserts and is equipped with the post, the post is fixed respectively and is equipped with the both ends of diaphragm, and support piece increases the bearing capacity of support frame, increases the security that the staff trampled.
Preferably, an L-shaped frame is fixedly arranged on one side above the supporting frame, a water pump is arranged on the L-shaped frame, water pipes are arranged at two ends of the water pump and are respectively located on the inner side and the outer side of the cofferdam formed by the steel sheet piles, and water inside the cofferdam formed by the steel sheet piles after being spliced can be conveniently pumped out.
Preferably, support frame inflection point department is equipped with the connection steel sheet pile, one side of connecting the steel sheet pile fixedly be equipped with sealed spout assorted connection steel, the opposite side of connecting the steel sheet pile seted up with sealed picture peg assorted spread groove, the connection between two adjacent steel sheet piles of support frame inflection point department are made things convenient for to connect the steel sheet pile.
Preferably, the connecting steel and the connecting groove are vertically arranged on the outer side wall of the connecting steel, so that the convenience of connection between the connecting steel sheet pile and the steel sheet pile is improved.
Preferably, the steel sheet pile and the one end of connecting the steel sheet pile all fix and are equipped with the taper pole, make things convenient for the convenience that steel sheet pile and connecting the steel sheet pile insert the soil in the river.
Preferably, the planar end of the conical rod is fixedly connected with the end portions of the steel sheet pile and the connecting steel sheet pile, and the tip end of the conical rod is located at one end far away from the steel sheet pile or the connecting steel.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the existing island-building cofferdam is optimized, and the verticality of the steel sheet piles driven into the river can be realized by additionally arranging the convex plate, the guide hole and the guide rod, so that the malposition and the butt joint of the steel sheet piles are avoided during splicing, the splicing among the steel sheet piles is increased, the stability of the steel sheet piles after splicing and mounting is increased, meanwhile, the frequent measurement of workers after driving the steel sheet piles is reduced, the labor intensity of the workers is effectively reduced, and the working efficiency of steel sheet pile mounting is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the support frame and the stud pile of the present invention;
FIG. 3 is a schematic view of the supporting frame of the present invention;
FIG. 4 is a schematic view of the structure of the supporting member of the present invention;
FIG. 5 is a schematic structural view of a support and reinforcement assembly of the present invention;
FIG. 6 is a schematic view of the connection structure of steel sheet piles in the present invention;
FIG. 7 is a schematic structural view of a stud pile according to the present invention;
FIG. 8 is a schematic structural view of a steel sheet pile according to the present invention;
fig. 9 is a schematic structural view of a connecting steel sheet pile according to the present invention.
In the figure: 1-column piling; 2-a support block; 3-a positioning column; 4-a support frame; 5-arc groove; 6-positioning the holes; 7-an extension rod; 8-convex plate; 9-a guide hole; 10-a guide bar; 11-a connecting rod; 12-steel sheet piles; 13-sealing the chute; 14-sealing the insert plate; 15-supporting a reinforcement member; a 16-V shaped stiffening rod; 17-L-shaped reinforcing blocks; 18-U-shaped reinforcing blocks; 19-mounting holes; 20-a threaded hole; 21-fixing the bolt; 22-a support; 23-a jack; 24-a plunger; 25-a first via; 26-a second via; 27-a post; 28-a transverse plate; 29-a water pump; 30-a water pipe; 31-connecting steel sheet piles; 32-connection steel; 33-connecting grooves; 34-a conical rod; 35-tip.
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.
Example 1
Referring to fig. 1-3 and 6-9, a platform structure for constructing a island-building cofferdam in the figures includes a vertical column pile 1, a support frame 4 and an extension rod 7, the number of the four island-building construction positions installed in a river in a rectangular array form, a support block 2 is fixedly arranged on one side of the support block 2, a positioning column 3 is fixedly arranged on one side above the support block 2, the support frame 4 is connected with the vertical column pile 1 in an inserting manner, an arc groove 5 matched with the vertical column pile 1 is formed in a corner of the inner wall of the support frame, a positioning hole 6 matched with the positioning column 3 is formed in one side of the arc groove 5 on the support frame 4, the extension rod 7 is fixedly connected with one side below the support frame 4, a convex plate 8 is fixedly arranged on the outer side of the extension frame at equal intervals, a guide hole 9 is formed in the convex plate 8 at equal intervals, a guide rod 10 is slidably arranged in the guide hole 9, a connecting rod 11 is fixedly arranged at one end of the guide rod 10, the other end of the connecting rod 11 is fixedly connected with a side wall of the pile 12, a sealing steel plate 13 is fixedly arranged on one side of each pile 12, and a reinforcing steel plate assembly 14 is arranged on the other side of the extension rod 7.
Referring to fig. 2 and 5, the illustrated supporting and reinforcing assembly 15 includes V-shaped reinforcing rods 16, L-shaped reinforcing blocks 17 are fixedly disposed at two ends of each V-shaped reinforcing rod 16, U-shaped reinforcing blocks 18 are fixedly disposed in the middle of each V-shaped reinforcing rod 16, mounting holes 19 are respectively formed in the L-shaped reinforcing blocks 17 and the U-shaped reinforcing blocks 18, screw holes 20 matched with the mounting holes 19 are equidistantly formed in the extension rods 7, and the mounting holes 19 are in threaded connection with the screw holes 20 through fixing bolts 21.
Referring to fig. 4, a supporting member 22 is disposed on a supporting frame 4 in the figure, the supporting member 22 includes insertion holes 23 opened on two adjacent side edges of the supporting frame 4, insertion rods 24 are inserted into the insertion holes 23, first through holes 25 are disposed at two ends of the insertion rods 24, second through holes 26 matched with the first through holes 25 are disposed on two sides of the insertion holes 23 and located on the supporting frame 4, column rods 27 are slidably inserted into the first through holes 25 and the second through holes 26, and two ends of a transverse plate 28 are respectively fixed to the column rods 27.
When the steel sheet pile is installed: firstly, four upright post piles 1 are vertically hammered in a river, supporting blocks 2 on the upright post piles 1 are at the same horizontal height after installation is completed, then a supporting frame 4 is placed on the supporting blocks 2, arc-shaped grooves 5 on the inner sides of the supporting frame 4 are all sleeved on the upright post piles 1 during placement, positioning holes 6 on one sides of the arc-shaped grooves 5 are inserted into positioning columns 3, the stability of installation and fixation of the supporting frame 4 can be realized, the phenomenon that the supporting frame 4 tilts during placement to cause later inclination during installation of a steel sheet pile 12 is avoided, the installation and placement level of the supporting frame 4 is increased, and after the supporting frame 4 is installed, a supporting piece is installed for the safety of the supporting frame 4 when workers trample down;
when the supporting member 22 is installed, the insertion rod 24 is firstly inserted into the insertion holes 23 on two adjacent sides of the supporting frame 4, after the insertion, the first through holes 25 at two ends of the insertion rod 24 and the second through holes 26 at two sides of the insertion hole 23 are aligned, and finally, the post rods 27 at two ends below the transverse plate 28 are respectively inserted into the second through holes 26 and the first through holes 25, so that the insertion rod 24 in the insertion hole 23 is limited and fixed, the placing stability of the insertion rod 24 is improved, and the use safety of the supporting frame 4 is improved;
the steel sheet piles 12 are installed after the supporting pieces 22 are installed, when the steel sheet piles 12 are installed, firstly, the guide rods 10 at one ends of the connecting rods 11 are inserted into guide holes 9 formed in convex plates 8 on extension rods 7 fixed below the supporting frames 4, the connecting rods 11 need to sequentially penetrate through the guide rods 10, the steel sheet piles 12 at the other ends of the connecting rods 11 are parallel to the guide rods 10, so that the steel sheet piles 12 can be vertically placed when vertically penetrating through the guide holes 9, the verticality of the steel sheet piles 12 driven into a river is realized, the steel sheet piles 12 are prevented from deviating during installation, the steel sheet piles 12 are hammered into the river one by one, when the steel sheet piles 12 are hammered, the sealing chutes 13 between two adjacent steel sheet piles 12 are inserted and connected with the sealing insertion plates 14, the steel sheet piles 12 can be spliced, the sealing performance and the splicing stability of the connection between the steel sheet piles 12 are improved, and the steel sheet piles 12 can be enclosed into a closed state after being assembled;
after the steel sheet piles 12 are installed and spliced, the supporting and reinforcing assembly 15 is installed, during installation, the U-shaped reinforcing blocks 18 in the middle of the V-shaped reinforcing rods 16 are arranged on the extension rods 7 on one side, the L-shaped reinforcing blocks 17 at the end parts of the V-shaped reinforcing rods are clamped on the extension rods 7 on two adjacent sides, and the U-shaped reinforcing blocks 18 and the L-shaped reinforcing blocks 17 are fixed on the extension rods 7 through the fixing bolts 21, so that the steel sheet piles 12 can be fixed, and after water in the cofferdam enclosed by the steel sheet piles 12 is pumped out after the steel sheet piles 12 are installed, the pressure of the water borne by the steel sheet piles 12 can be increased;
the device simple structure can realize the verticality in the river is squeezed into to steel sheet pile 12, and dislocation butt joint is not last when avoiding steel sheet pile 12 concatenation, has increased the concatenation between steel sheet pile 12, has increased the stability after the 12 concatenation installations of steel sheet pile, reduces the frequent measurement after the staff squeezes into to steel sheet pile 12 simultaneously, the effectual intensity of labour who reduces the staff, has improved the work efficiency of the 12 installations of steel sheet pile.
Example 2
Referring to fig. 1 and 9, in this embodiment, as further described in example 1, the illustrated upright piles 1, support frames 4 and extension rods 7 are four in number and are installed at the island construction position in a river in a rectangular array, a support block 2 is fixedly installed at one side of each upright pile, a positioning column 3 is fixedly installed at one side above each support block 2, the support frames 4 are inserted and connected with the upright piles 1, arc-shaped grooves 5 matched with the upright piles 1 are formed at corners of inner walls of the support frames 4, positioning holes 6 matched with the positioning columns 3 are formed at one side of each arc-shaped groove 5 on each support frame 4, the extension rod 7 is fixedly connected with one side below the support frame 4, the outer side of the extension rod is fixedly provided with convex plates 8 at equal intervals, the convex plates 8 are provided with guide holes 9 at equal intervals, guide rods 10 are slidably arranged in the guide holes 9, one end of each guide rod 10 is fixedly provided with a connecting rod 11, the other end of each connecting rod 11 is fixedly connected with the side wall of each steel sheet pile 12, one side of each steel sheet pile 12 is provided with a sealing chute 13, the other side of each steel sheet pile 12 is fixedly provided with a sealing inserting plate 14 matched with the sealing chute 13, and the extension rod 7 is provided with a support reinforcing assembly 15;
referring to fig. 1, an L-shaped frame is fixedly arranged on one side above a supporting frame 4 in the figure, a water pump 29 is arranged on the L-shaped frame, water pipes 30 are arranged at two ends of the water pump 29, and the two water pipes 30 are respectively positioned on the inner side and the outer side of the cofferdam enclosed by steel sheet piles 12;
referring to fig. 9, a connection steel sheet pile 31 is disposed at an inflection point of the support frame 4, a connection steel 32 matched with the sealing sliding groove 13 is fixedly disposed at one side of the connection steel sheet pile 31, a connection groove 33 matched with the sealing insertion plate 14 is disposed at the other side of the connection steel sheet pile 31, and the connection steel 32 and the connection groove 33 are vertically disposed at an outer side wall of the connection steel 32.
In this embodiment, when water is pumped from the inside of the cofferdam surrounded by the steel sheet piles 12, the water pump 29 on the support frame 4 is started, then the water pipes 30 at the two ends of the water pump 29 are placed at the inner side and the outer side of the cofferdam surrounded by the steel sheet piles 12, the water pump 29 can collect the water inside the cofferdam surrounded by the steel sheet piles 12 to the outside of the cofferdam, the support reinforcing component 15 is assembled and installed in the water pumping process, the installation stability of the steel sheet piles 12 is increased, the two steel sheet piles 12 at the inflection points of the support frame 4 are connected by the connecting steel sheet piles 31, the connecting groove 33 of the connecting steel sheet pile 31 is connected with the sealing insertion plate 14 in the connecting process, and then the connecting steel is inserted into the sealing sliding groove 13, so that the connection between the two adjacent steel sheet piles 12 at the inflection point of the support frame 4 can be realized.
Example 3
Referring to fig. 8 and 9, in the present embodiment, for further explanation of other embodiments, in the illustration, the number of the upright piles 1, the support frames 4 and the extension rods 7 is four, the support frames 2 are fixedly arranged on one side of the construction positions of the island building installed in a river in a rectangular array, the positioning columns 3 are fixedly arranged on one side above the support blocks 2, the support frames 4 are connected with the upright piles 1 in an inserting manner, the corners of the inner walls of the support frames are respectively provided with arc-shaped grooves 5 matched with the upright piles 1, one sides of the arc-shaped grooves 5 are positioned on the support frames 4 and are provided with positioning holes 6 matched with the positioning columns 3, the extension rods 7 are fixedly connected with one side below the support frames 4, the outer sides of the extension rods 7 are respectively and fixedly provided with convex plates 8 at equal intervals, the convex plates 8 are respectively provided with guide holes 9 at equal intervals, the guide rods 10 are slidably arranged inside the guide holes 9, one ends of the guide rods 10 are respectively and are respectively provided with a connecting rod 11, the other ends of the connecting rods 11 are fixedly connected with the side walls of the steel plate piles 12, one side of each steel plate 12 is provided with a sealing chute 13, the other side of each pile 12 is respectively provided with a sealing plate 14, and a sealing plate 12 is fixedly provided with a sealing plate, and a supporting component 15.
Referring to fig. 8 and 9, in the drawings, a conical rod 34 is fixedly arranged at one end of each of the steel sheet pile 12 and the connecting steel sheet pile 31; the flat end of the conical rod 34 is fixedly connected with the ends of the steel sheet pile 12 and the connecting steel 32, and the tip 35 of the conical rod 34 is located at the end far away from the steel sheet pile 12 or the connecting steel 32.
In this embodiment, the conical rod 34 is fixedly installed at one end of the steel sheet pile 12 and the connecting steel sheet pile 31, so that the steel sheet pile 12 and the connecting steel sheet pile 31 can be conveniently inserted into soil in the river, and the tip of one end of the conical rod 34 is the end far away from the steel sheet pile 12 and the connecting steel sheet pile 31, so that convenience in inserting the soil in the river is improved.
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 various 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 (5)
1. The utility model provides a build island cofferdam construction platform structure which characterized in that includes:
the system comprises upright column piles (1), four upright column piles (1) are arranged at construction positions of a building island in a river in a rectangular array mode, supporting blocks (2) are fixedly arranged on one sides of the upright column piles, and positioning columns (3) are fixedly arranged on one sides above the supporting blocks (2);
the supporting frame (4) is inserted and connected with the upright post pile (1), arc-shaped grooves (5) matched with the upright post pile (1) are formed in the corners of the inner wall of the supporting frame, and positioning holes (6) matched with the positioning posts (3) are formed in the supporting frame (4) on one side of each arc-shaped groove (5);
the extension rod (7) is fixedly connected with one side below the support frame (4), a convex plate (8) is fixedly arranged on the outer side of the extension rod at equal intervals, guide holes (9) are formed in the convex plate (8) at equal intervals, a guide rod (10) is slidably arranged in each guide hole (9), one end of each guide rod (10) is fixedly provided with a connecting rod (11), the other end of each connecting rod (11) is fixedly connected with the side wall of each steel sheet pile (12), one side of each steel sheet pile (12) is provided with a sealing sliding groove (13), the other side of each steel sheet pile (12) is fixedly provided with a sealing inserting plate (14) matched with the sealing sliding groove (13), and a support reinforcing assembly (15) is arranged on the extension rod (7);
the supporting and reinforcing assembly (15) comprises V-shaped reinforcing rods (16), L-shaped reinforcing blocks (17) are fixedly arranged at two ends of each V-shaped reinforcing rod (16), a U-shaped reinforcing block (18) is fixedly arranged in the middle of each V-shaped reinforcing rod (16), mounting holes (19) are formed in the L-shaped reinforcing blocks (17) and the U-shaped reinforcing blocks (18), threaded holes (20) matched with the mounting holes (19) are formed in the extension rods (7) at equal intervals, and the mounting holes (19) are in threaded connection with the threaded holes (20) through fixing bolts (21);
the supporting frame (4) is provided with a supporting piece (22), the supporting piece (22) comprises insertion holes (23) formed in two adjacent side edges of the supporting frame (4), insertion rods (24) are inserted into the insertion holes (23), first through holes (25) are formed in two ends of each insertion rod (24), second through holes (26) matched with the first through holes (25) are formed in two sides of each insertion hole (23) and located on the supporting frame (4), column rods (27) are inserted into the first through holes (25) and the second through holes (26) in a sliding mode, and two ends of a transverse plate (28) are respectively fixedly arranged on the column rods (27);
support frame (4) inflection point department is equipped with connecting steel sheet pile (31), one side of connecting steel sheet pile (31) fixed be equipped with sealed spout (13) assorted connecting steel (32), the opposite side of connecting steel sheet pile (31) seted up with sealed picture peg (14) assorted spread groove (33).
2. The island and cofferdam construction platform structure according to claim 1, characterized in that: an L-shaped frame is fixedly arranged on one side above the supporting frame (4), a water pump (29) is arranged on the L-shaped frame, water pipes (30) are arranged at two ends of the water pump (29), and the two water pipes (30) are respectively positioned on the inner side and the outer side of the cofferdam enclosed by the steel sheet piles (12).
3. The island and cofferdam construction platform structure of claim 1, wherein: the connecting steel (32) and the connecting groove (33) are vertically arranged on the outer side wall of the connecting steel sheet pile (31).
4. The island and cofferdam construction platform structure of claim 3, wherein: and one end of each of the steel sheet pile (12) and the connecting steel sheet pile (31) is fixedly provided with a conical rod (34).
5. The island and cofferdam construction platform structure of claim 4, wherein: the plane end of the conical rod (34) is fixedly connected with the ends of the steel sheet pile (12) and the connecting steel sheet pile (31), and the tip end (35) of the conical rod (34) is located at one end far away from the steel sheet pile (12) or the connecting steel sheet pile (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598731.5A CN114922210B (en) | 2022-05-30 | 2022-05-30 | Island-building cofferdam construction platform structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598731.5A CN114922210B (en) | 2022-05-30 | 2022-05-30 | Island-building cofferdam construction platform structure |
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| CN114922210A CN114922210A (en) | 2022-08-19 |
| CN114922210B true CN114922210B (en) | 2023-02-03 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011142047A1 (en) * | 2010-05-10 | 2011-11-17 | 住友金属工業株式会社 | Steel wall and method for constructing steel wall |
| CN211421130U (en) * | 2018-12-30 | 2020-09-04 | 杭州江润科技有限公司 | Steel sheet pile cofferdam leading truck |
| CN210482343U (en) * | 2019-08-20 | 2020-05-08 | 中建协和建设有限公司 | Double-layer steel sheet pile combined enclosing structure |
| CN212248302U (en) * | 2020-03-31 | 2020-12-29 | 湖北川林管道工程有限公司 | Resistance to compression cofferdam steel-pipe pile |
| CN213448403U (en) * | 2020-09-27 | 2021-06-15 | 中铁三局集团有限公司 | Platform device for accurately positioning and quickly constructing underwater support steel pipe pile |
| CN113026782A (en) * | 2021-03-24 | 2021-06-25 | 中铁十六局集团有限公司 | Steel sheet pile cofferdam construction process |
| CN114277778B (en) * | 2021-11-24 | 2023-03-14 | 中交二公局萌兴工程有限公司 | Steel sheet pile inserting auxiliary positioning device and steel sheet pile cofferdam construction process thereof |
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