CN112411629A - Ocean current retaining wall and construction method thereof - Google Patents

Ocean current retaining wall and construction method thereof Download PDF

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Publication number
CN112411629A
CN112411629A CN202011376586.3A CN202011376586A CN112411629A CN 112411629 A CN112411629 A CN 112411629A CN 202011376586 A CN202011376586 A CN 202011376586A CN 112411629 A CN112411629 A CN 112411629A
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China
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wall
platform
sling
retaining wall
drainage
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CN202011376586.3A
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Chinese (zh)
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练继建
李家乐
任建宇
董霄峰
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Tianjin University
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Tianjin University
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/44—Foundations for machines, engines or ordnance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • 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
    • E02D5/74—Means for anchoring structural elements or bulkheads

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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)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Revetment (AREA)

Abstract

The invention discloses an ocean current retaining wall and a construction method thereof, wherein the ocean current retaining wall is arranged in front of a scouring improved area and comprises a left retaining wall and a right retaining wall, the left retaining wall and the right retaining wall are symmetrical about a central line of the scouring improved area, a first end of the left retaining wall and a first end of the right retaining wall are positioned on the central line and form a common end, a second end of the left retaining wall extends to the vicinity of the left boundary of the scouring improved area from the common end to the left lower side, and a second end of the right retaining wall extends to the vicinity of the right boundary of the scouring improved area from the common end to the right lower side; a central floating body platform is arranged on the common end; the left retaining wall comprises a first wake floating platform, a first drainage floating platform, a first diversion wall and a first drainage wall; the right retaining wall comprises a second wake floating body platform, a second drainage floating body platform, a second diversion wall and a second drainage wall. The invention has the advantages of reasonably draining, limiting speed and fixing soil, guiding ocean current to deviate from a wind power foundation, effectively reducing the flow velocity of a wind power generation foundation area, strengthening the soil retention of the foundation and further reducing the scouring on the foundation.

Description

Ocean current retaining wall and construction method thereof
Technical Field
The invention relates to an anti-scouring technology for an offshore wind power generation foundation, in particular to an ocean current retaining wall and a construction method thereof.
Background
The wind power generation foundation is easily washed by ocean currents in use, and sand around the foundation is taken away, so that the bearing capacity of the foundation is reduced, and the foundation inclined structure loses stability, so that the foundation needs to be protected to reduce the scouring of the foundation by tidal ocean currents. Patent 201810328155.6 has introduced a marine wind power generation basis scour prevention structure, lays the grit around the pile foundation within a certain range and forms the scour prevention effect of scouring sand face in the short time better, but can't avoid between the grit to have the clearance, and effect is not good under the effect along with the daily accumulation of ocean current and morning and evening tides, and the maintenance cost who maintains the scour prevention effect is higher. Patent 201910795899.3 introduces a steel pipe pile foundation anti-scour structure and a construction method, which can effectively improve the anti-scour capability of the steel pipe pile by reinforcing the steel pipe pile, but needs to reinforce all foundations with large engineering quantity and high cost. Under the condition that the structure instability phenomenon is frequent due to basic scouring, effective measures are taken to actively conduct drainage on ocean currents, and the restriction of the flow velocity of the area is a new way.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a ocean current retaining wall and a construction method thereof, which not only can reasonably guide and limit the speed of soil solidification, but also can guide ocean current to deviate from a wind power foundation, effectively reduce the flow rate of a wind power generation foundation area, strengthen the foundation soil retention and further reduce the foundation scouring.
The technical scheme adopted by the invention is as follows: an ocean current retaining wall, the ocean current retaining wall is arranged in front of a scoured improved area, the ocean current retaining wall comprises a left retaining wall and a right retaining wall, the left retaining wall and the right retaining wall are symmetrical about a central line of the scoured improved area, a first end of the left retaining wall and a first end of the right retaining wall are located on the central line and form a shared end, a second end of the left retaining wall extends to the vicinity of the left boundary of the scoured improved area from the shared end to the left lower side, and a second end of the right retaining wall extends to the vicinity of the right boundary of the scoured improved area from the shared end to the right lower side;
wherein a central floating body platform is arranged on the common end;
the left retaining wall comprises a first wake buoyant platform located at the second end and a first drainage buoyant platform located between the central buoyant platform and the first wake buoyant platform; a first diversion wall is arranged between the central floating body platform and the first drainage floating body platform, and a first drainage wall is arranged between the first drainage floating body platform and the first wake floating body platform;
the right barricade comprises a second wake buoyant platform at a second end and a second drainage buoyant platform between the central buoyant platform and the second wake buoyant platform; a second diversion wall is arranged between the central floating body platform and the second drainage floating body platform, and a second drainage wall is arranged between the second drainage floating body platform and the second wake floating body platform.
Further, the central buoyant platform, the first flow-directing buoyant platform, the first wake buoyant platform, the second flow-directing buoyant platform, and the second wake buoyant platform each comprise a buoyancy tank and an anchoring system;
wherein the anchoring system comprises mooring lines, platform longitudinal slings and platform suction buckets; the first end of the mooring cable is fixedly connected with the buoyancy tank, and the second end of the mooring cable is anchored in the seabed; the platform suction bucket is fixed in the seabed below the buoyancy tank, the first end of the platform longitudinal sling is fixedly connected with the buoyancy tank, and the second end of the platform longitudinal sling is anchored on the platform suction bucket.
Furthermore, the floating box of the central floating body platform and the floating box of the first drainage floating body platform, the floating box of the first drainage floating body platform and the floating box of the first wake floating body platform, the floating box of the central floating body platform and the floating box of the second drainage floating body platform, and the floating box of the second drainage floating body platform and the floating box of the second wake floating body platform are connected through transverse slings.
Furthermore, first flow dividing wall second flow dividing wall with second flow dividing wall all includes top horizontal pole, bottom horizontal pole and sets up the top horizontal pole with barricade body between the horizontal pole of bottom, the upper and lower both ends of barricade body respectively with top horizontal pole with bottom horizontal pole fixed connection, the discharge orifice has been seted up on the barricade body.
Further, the first division wall, the first drainage wall, the second division wall and the second drainage wall can move up and down simultaneously under the action of a lifting system;
wherein the lift system comprises a first lift device disposed at the central buoyant platform, a second lift device disposed at the first leading buoyant platform, a third lift device disposed at the first wake buoyant platform, a fourth lift device disposed at the second leading buoyant platform, and a fifth lift device disposed at the second wake buoyant platform.
Further, a first retaining wall longitudinal sling is arranged between the platform longitudinal sling of the central floating body platform and the platform longitudinal sling of the first drainage floating body platform, so that the first division wall is divided into a first division wall single body and a second division wall single body; a second drainage wall longitudinal sling is arranged between the platform longitudinal sling of the first drainage floating body platform and the platform longitudinal sling of the first wake floating body platform, so that the first drainage wall is divided into a first drainage wall single body and a second drainage wall single body; a third baffle wall longitudinal sling is arranged between the platform longitudinal sling of the central floating body platform and the platform longitudinal sling of the second drainage floating body platform, so that the second division wall is divided into a third division wall monomer and a fourth division wall monomer; a fourth retaining wall longitudinal sling is arranged between the platform longitudinal sling of the second drainage floating body platform and the platform longitudinal sling of the second wake floating body platform, so that the second drainage wall is divided into a third drainage wall single body and a fourth drainage wall single body; the first lifting device controls the first flow dividing wall monomer and the third flow dividing wall monomer simultaneously; the second lifting device simultaneously controls the second division wall single body and the first guide wall single body; the third lifting device controls the second drainage wall single body; the fourth lifting device simultaneously controls the fourth shunting wall single body and the third drainage wall single body; and the fifth lifting device controls the fourth drainage wall monomer.
Furthermore, first hanging rings are respectively arranged at the middle position of a top cross bar and the middle position of a bottom cross bar of the first diversion wall, and the two first hanging rings are sleeved on the first retaining wall longitudinal sling; second hanging rings are respectively arranged at the middle position of a top cross rod and the middle position of a bottom cross rod of the first drainage wall, and the two second hanging rings are sleeved on a longitudinal sling of the second drainage wall; third hanging rings are respectively arranged at the middle position of a top cross bar and the middle position of a bottom cross bar of the second division wall, and the two third hanging rings are sleeved on a third baffle wall longitudinal sling; fourth hanging rings are respectively arranged at the middle position of a top cross rod and the middle position of a bottom cross rod of the second drainage wall, and the two fourth hanging rings are sleeved on a fourth retaining wall longitudinal sling;
the first end of the top cross rod of the first diversion wall and the first end of the top cross rod of the first drainage wall are connected with each other, the first end of the bottom cross rod of the first diversion wall and the first end of the bottom cross rod of the first drainage wall are connected with each other through fifth hanging rings respectively, and the two fifth hanging rings are sleeved on a platform longitudinal sling of the first drainage floating body platform; the first end of the top cross rod of the second diversion wall and the first end of the top cross rod of the second diversion wall, and the first end of the bottom cross rod of the second diversion wall are connected with each other through sixth hanging rings respectively, and the two sixth hanging rings are sleeved on a platform longitudinal sling of the second drainage floating body platform; the second end of the top cross bar of the first division wall and the second end of the top cross bar of the second division wall are connected with each other, the second end of the bottom cross bar of the first division wall and the second end of the bottom cross bar of the second division wall are connected with each other through seventh hanging rings respectively, and the two seventh hanging rings are sleeved on the platform longitudinal hanging rope of the central floating body platform; the second end of the top cross rod and the second end of the bottom cross rod of the first drainage wall are respectively provided with eighth hanging rings, and the two eighth hanging rings are sleeved on a platform longitudinal sling of the first wake floating body platform; and the second end of the top cross rod and the second end of the bottom cross rod of the second drainage wall are respectively provided with a ninth hanging ring, and the ninth hanging rings are sleeved on the longitudinal platform sling of the second wake floating body platform.
Further, the first lifting device, the second lifting device, the third lifting device, the fourth lifting device and the fifth lifting device comprise adjusting slings and electric winches;
the first end of an adjusting sling of the first lifting device is fixedly connected with a top cross bar of the first division wall monomer and a top cross bar of the third division wall monomer, the second end of the adjusting sling of the first lifting device is fixedly connected with a bottom cross bar of the first division wall monomer and a bottom cross bar of the third division wall monomer, the middle part of the adjusting sling of the first lifting device is bound and connected with an electric winch of the first lifting device, and the electric winch of the first lifting device is arranged on a buoyancy tank of the central floating body platform;
the first end of an adjusting sling of the second lifting device is fixedly connected with a top cross bar of the second division wall monomer and a top cross bar of the first drainage wall monomer, the second end of the adjusting sling of the second lifting device is fixedly connected with a bottom cross bar of the second division wall monomer and a bottom cross bar of the first drainage wall monomer, the middle part of the adjusting sling of the second lifting device is bound and connected with an electric winch of the second lifting device, and the electric winch of the second lifting device is arranged on a buoyancy tank of the first drainage floating body platform;
the first end of an adjusting sling of the third lifting device is fixedly connected with the top cross rod of the second drainage wall monomer, the second end of the adjusting sling of the third lifting device is fixedly connected with the bottom cross rod of the second drainage wall monomer, the middle part of the adjusting sling of the third lifting device is bound and connected with an electric winch of the third lifting device, and the electric winch of the third lifting device is arranged on the buoyancy tank of the first wake flow floating body platform;
the first end of an adjusting sling of the fourth lifting device is fixedly connected with the top cross bar of the fourth diversion wall monomer and the top cross bar of the third diversion wall monomer, the second end of the adjusting sling of the fourth lifting device is fixedly connected with the bottom cross bar of the fourth diversion wall monomer and the bottom cross bar of the third diversion wall monomer, the middle part of the adjusting sling of the fourth lifting device is bound and connected with an electric winch of the fourth lifting device, and the electric winch of the fourth lifting device is arranged on a buoyancy tank of the second diversion floating body platform;
the first end of an adjusting sling of the fifth lifting device is fixedly connected with the top cross rod of the fourth drainage wall monomer, the second end of the adjusting sling of the fifth lifting device is fixedly connected with the bottom cross rod of the fourth drainage wall monomer, the middle part of the adjusting sling of the fifth lifting device is bound and connected with the electric winch of the fifth lifting device, and the electric winch of the fifth lifting device is arranged on the buoyancy tank of the second wake floating body platform.
Furthermore, a first end of the first retaining wall longitudinal sling is fixedly connected to a transverse sling between the central floating body platform and the first drainage floating body platform, a second end of the first retaining wall longitudinal sling is anchored to a first retaining wall suction bucket, and the first retaining wall suction bucket is fixed in the seabed surface;
the first end of the second retaining wall longitudinal sling is fixedly connected to the transverse sling between the first drainage floating body platform and the first wake floating body platform, the second end of the second retaining wall longitudinal sling is anchored on a second retaining wall suction bucket, and the second retaining wall suction bucket is fixed in the seabed surface;
the first end of the third baffle wall longitudinal sling is fixedly connected to the transverse sling between the central floating body platform and the second drainage floating body platform, the second end of the third baffle wall longitudinal sling is anchored on a third baffle wall suction bucket, and the third baffle wall suction bucket is fixed in the seabed;
the first end fixed connection of the vertical hoist cable of fourth barricade is in on the second drainage body platform with horizontal hoist cable between the second wake body platform the second end anchor of the vertical hoist cable of fourth barricade is on fourth barricade suction bucket, fourth barricade suction bucket is fixed in the seabed.
The technical scheme adopted by the invention is as follows: the construction method of the ocean current retaining wall comprises the following steps:
step 1, sinking a platform suction barrel below the seabed surface of a specified position, carrying the prefabricated floating box to the specified position in a floating mode, connecting a first end of a longitudinal sling of the platform to the bottom surface of the floating box, anchoring a second end of the longitudinal sling of the platform to the platform suction barrel, and completing the position fixing of a central floating body platform, a first drainage floating body platform and a second drainage floating body platform;
step 2, connecting the first drainage floating platform, the central floating platform and the second drainage floating platform into a whole through a transverse sling;
step 3, arranging a first retaining wall longitudinal sling: the first end of a first retaining wall longitudinal sling is fixedly bound with a transverse sling between the central floating body platform and the first drainage floating body platform, the second end of the first retaining wall longitudinal sling is anchored on a first retaining wall suction barrel, and the first retaining wall suction barrel is sunk below the sea bottom surface;
step 4, arranging a third retaining wall longitudinal sling according to the method shown in the step 3;
step 5, arranging a first division wall monomer and a second division wall monomer: arranging a top cross bar, a bottom cross bar and a retaining wall body of a first diversion wall monomer between a platform longitudinal sling and a first retaining wall longitudinal sling of a central floating body platform, and binding the top cross bar, the bottom cross bar and the retaining wall body of the first diversion wall monomer into a whole; arranging a top cross bar, a bottom cross bar and a retaining wall body of a second diversion wall monomer between a first retaining wall longitudinal sling and a platform longitudinal sling of a first drainage floating body platform, and binding the top cross bar, the bottom cross bar and the retaining wall body of the second diversion wall monomer into a whole; the top cross rod of the first division wall monomer and the top cross rod of the second division wall monomer, the bottom cross rod of the first division wall monomer and the bottom cross rod of the second division wall monomer are connected into a whole through first hanging rings respectively, and the two first hanging rings are sleeved on the first retaining wall longitudinal sling;
step 6, arranging a third division wall monomer and a fourth division wall monomer according to the method shown in the step 5;
step 7, connecting the top cross rod of the first single diversion wall and the top cross rod of the third single diversion wall, and the bottom cross rod of the first single diversion wall and the bottom cross rod of the third single diversion wall into a whole through seventh hanging rings respectively, and sleeving the two seventh hanging rings on a platform longitudinal sling of the central floating body platform;
step 8, installing a first lifting device, a second lifting device and a fourth lifting device, wherein an adjusting sling of the lifting device is fixedly connected with a corresponding cross beam, and when the retaining wall body needs to be disassembled, replaced and maintained, the adjusting sling is collected through an electric winch of the lifting device to lift the retaining wall body out of the water surface;
and 9, determining the positions of the first wake floating platform and the second wake floating platform, and installing the first wake floating platform, the second retaining wall longitudinal sling, the fourth retaining wall longitudinal sling, the first drainage wall monomer, the second drainage wall monomer, the third drainage wall monomer, the fourth drainage wall monomer, the third lifting device and the fifth lifting device according to the method shown in the steps 1 to 8 to complete the construction of the ocean current retaining wall.
The invention has the beneficial effects that: the ocean current retaining wall is simple in structure, low in material cost and easy to obtain, can be prefabricated and directly installed on site, is easy to construct, and is convenient to disassemble, assemble, replace and maintain. When the ocean current comes, the flow velocity of a target area can be effectively reduced, the foundation soil retention is enhanced, the problem that the foundation soil moves under the action of the ocean current is solved, the drainage is reasonable, the speed is limited, the soil is fixed, and therefore the scouring on the foundation is reduced.
Drawings
FIG. 1: the invention relates to a top view structure schematic diagram of a ocean current retaining wall;
FIG. 2: the invention relates to a left retaining wall plane structure schematic diagram of a ocean current retaining wall;
FIG. 3: the invention relates to a schematic diagram of a right retaining wall plane structure of an ocean current retaining wall;
FIG. 4: the invention discloses a three-dimensional structure schematic diagram of a ocean current retaining wall.
The attached drawings are marked as follows:
1-left retaining wall; 2-right retaining wall;
3-central buoyant platform; 4-first wake buoyant platform;
5-first drainage buoyant platform; 6-first dividing wall;
7-first drainage wall; 8-second wake buoyant platform;
9-second drainage buoyant platform; 10-second dividing wall;
11-second drainage wall; 12-buoyancy tank;
13-mooring line; 14-platform longitudinal slings;
15-platform suction bucket; 16-transverse slings;
17-top rail; 18-bottom rail;
19-retaining wall body; 20-overflowing hole;
21-first lifting device; 22-second lifting device;
23-third lifting device; 24-fourth lifting device;
25-fifth lifting device; 26-first wall longitudinal slings;
27-first dividing wall monomer; 28-second shunting wall monomer;
29-second retaining wall longitudinal sling; 30-first drainage wall monomer;
31-second drainage wall monomer; 32-third retaining wall longitudinal slings;
33-third dividing wall monomer; 34-fourth shunting wall monomer;
35-fourth retaining wall longitudinal sling; 36-third drainage wall monomer;
37-fourth drainage wall monomer; 38-first eye;
39-second hoisting ring; 40-third hoisting ring;
41-fourth hoisting ring; 42-fifth hoisting ring;
43-sixth lifting ring; 44-seventh lifting ring;
45-eighth hoisting ring; 46-ninth hoisting ring;
47-first retaining wall suction bucket; 48-suction bucket of second retaining wall;
49-third bulkhead suction bucket; 50-fourth retaining wall suction bucket;
i, flushing the improved area; II-sea bottom surface.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 4, an ocean current barricade, ocean current barricade arranges in the place ahead of scouring improvement district I, ocean current barricade includes left barricade 1 and right barricade 2, left barricade 1 with right barricade 2 about the central line symmetry of scouring improvement district I, left barricade 1's first end with right barricade 2's first end is located on the central line and forms the sharing end, left barricade 1's second end certainly sharing end extends to below left side near the left boundary of scouring improvement district I, right barricade 2's second end certainly sharing end extends to below right side near the right boundary of scouring improvement district I. Wherein a central buoyant platform 3 is arranged on the common end. The left retaining wall 1 comprises a first wake buoyant platform 4 at a second end and a first drainage buoyant platform 5 between the central buoyant platform 3 and the first wake buoyant platform 4; a first diversion wall 6 is arranged between the central floating body platform 3 and the first drainage floating body platform 5, and a first drainage wall 7 is arranged between the first drainage floating body platform 5 and the first wake floating body platform 4. The right retaining wall 2 comprises a second wake buoyant platform 8 at a second end and a second drainage buoyant platform 9 between the central buoyant platform 3 and the second wake buoyant platform 8; a second diversion wall 10 is arranged between the central floating body platform 3 and the second drainage floating body platform 9, and a second drainage wall 11 is arranged between the second drainage floating body platform 9 and the second wake floating body platform 8. The left retaining wall 1 and the right retaining wall 2 are eight parts in total and are smoothly connected into a whole from left to right; left side barricade 1 and right barricade 2 are washd improvement district I the place ahead at the target through central body platform 3 symmetrical arrangement.
The central buoyant platform 3, the first current-directing buoyant platform 5, the first wake buoyant platform 4, the second current-directing buoyant platform 9, and the second wake buoyant platform 8 each include a buoyancy tank 12 and an anchoring system. Wherein the anchoring system comprises mooring lines 13, platform longitudinal slings 14 and platform suction buckets 15; the first end of the mooring cable 13 is fixedly connected with the buoyancy tank 12, and the second end of the mooring cable is anchored in the sea floor II; the platform suction bucket 15 is fixed in the seabed II below the buoyancy tank 12, the first end of the platform longitudinal sling 14 is fixedly connected with the buoyancy tank 12, and the second end is anchored on the platform suction bucket 15. The adjacent floating platforms are connected through transverse slings 16 anchored on the floating boxes 12, specifically, the floating boxes 12 of the central floating platform 3 and the floating boxes 12 of the first drainage floating platform 5, the floating boxes 12 of the first drainage floating platform 5 and the floating boxes 12 of the first wake floating platform 4, the floating boxes 12 of the central floating platform 3 and the floating boxes 12 of the second drainage floating platform 9, and the floating boxes 12 of the second drainage floating platform 9 and the floating boxes 12 of the second wake floating platform 8 are connected through the transverse slings 16.
First flow dividing wall 6 first flow dividing wall 7 second flow dividing wall 10 with second flow dividing wall 11 all includes top horizontal pole 17, bottom horizontal pole 18 and sets up top horizontal pole 17 with barricade body 19 between the bottom horizontal pole 18, the upper and lower both ends of barricade body 19 respectively with top horizontal pole 17 with bottom horizontal pole 18 is tied up together. The retaining wall body 19 is provided with overflowing holes 20, the diameter of the overflowing holes 20 is 10 cm-20 cm, the distance between the overflowing holes is 10 cm-20 cm, the turbulent flow effect is achieved, the moving direction and speed of ocean currents are locally changed, and the effect of maintaining foundation soil is enhanced.
In this embodiment, a first retaining wall longitudinal sling 26 is provided between the platform longitudinal sling 14 of the central float platform 3 and the platform longitudinal sling 14 of the first drainage float platform 5, so that the first division wall 6 is divided into a first division wall single body 27 and a second division wall single body 28; the first end fixed connection of first barricade longitudinal sling 26 is in central body platform 3 with on the transverse sling 16 between the first drainage body platform 5, the second end anchor of first barricade longitudinal sling 26 is on first barricade suction bucket 47, first barricade suction bucket 47 is fixed in seabed II. A second drainage wall longitudinal sling 29 is arranged between the platform longitudinal sling 14 of the first drainage floating platform 5 and the platform longitudinal sling 14 of the first wake floating platform 4, so that the first drainage wall 7 is divided into a first drainage wall single body 30 and a second drainage wall single body 31; the first end of the second retaining wall longitudinal sling 29 is fixedly connected to the transverse sling 16 between the first drainage floating platform 5 and the first wake floating platform 4, the second end of the second retaining wall longitudinal sling 29 is anchored on a second retaining wall suction bucket 48, and the second retaining wall suction bucket 48 is fixed in the sea bottom surface II. Third retaining wall longitudinal slings 32 are provided between the platform longitudinal slings 14 of the central buoyant platform 3 and the platform longitudinal slings 14 of the second buoyant float platform 9, so that the second division wall 10 is divided into third division wall monomers 33 and fourth division wall monomers 34; the first end of the third retaining wall longitudinal sling 32 is fixedly connected to the transverse sling 16 between the central floating body platform 3 and the second drainage floating body platform 9, the second end of the third retaining wall longitudinal sling 32 is anchored on a third retaining wall suction bucket 49, and the third retaining wall suction bucket 49 is fixed in the sea bottom surface II. A fourth retaining wall longitudinal sling 35 is arranged between the platform longitudinal sling 14 of the second drainage floating platform 9 and the platform longitudinal sling 14 of the second wake floating platform 8, so that the second drainage wall 11 is divided into a third drainage wall single body 36 and a fourth drainage wall single body 37; the first end fixed connection of fourth barricade longitudinal sling 35 is in on the second drainage body platform 9 with the horizontal sling 16 between the second wake body platform 8 the second end anchor of fourth barricade longitudinal sling 35 is on fourth barricade suction bucket 50, fourth barricade suction bucket 50 is fixed in seabed face II.
The middle position of the top cross bar 17 and the middle position of the bottom cross bar 18 of the first division wall 6 are respectively provided with a first hanging ring 38, and the two first hanging rings 38 are sleeved on the first retaining wall longitudinal sling 26; second hanging rings 39 are respectively arranged at the middle positions of the top cross bar 17 and the bottom cross bar 18 of the first drainage wall 7, and the two second hanging rings 39 are sleeved on the longitudinal sling 29 of the second drainage wall; third hanging rings 40 are respectively arranged at the middle positions of the top cross bar 17 and the bottom cross bar 18 of the second division wall 10, and the two third hanging rings 40 are sleeved on the third baffle wall longitudinal sling 32; fourth rings 41 are respectively arranged at the middle positions of the top cross rod 17 and the bottom cross rod 18 of the second drainage wall 11, and the fourth rings 41 are all sleeved on the fourth retaining wall longitudinal sling 35. Moreover, the first end of the top cross bar 17 of the first diversion wall 6 and the first end of the top cross bar 17 of the first diversion wall 7, and the first end of the bottom cross bar 18 of the first diversion wall 6 and the first end of the bottom cross bar 18 of the first diversion wall 7 are respectively connected with each other through a fifth lifting ring 42, and the two fifth lifting rings 42 are both sleeved on the platform longitudinal lifting rope 14 of the first diversion floating body platform 5; the first end of the top cross rod 17 of the second diversion wall 10 and the first end of the top cross rod 17 of the second diversion wall 11, and the first end of the bottom cross rod 18 of the second diversion wall 10 and the first end of the bottom cross rod 18 of the second diversion wall 11 are connected with each other through sixth lifting rings 43 respectively, and the two sixth lifting rings 43 are sleeved on the platform longitudinal lifting rope 14 of the second diversion floating body platform 9; the second end of the top cross bar 17 of the first division wall 6 and the second end of the top cross bar 17 of the second division wall 10, and the second end of the bottom cross bar 18 of the first division wall 6 and the second end of the bottom cross bar 18 of the second division wall 10 are respectively connected with each other through seventh lifting rings 44, and the two seventh lifting rings 44 are sleeved on the platform longitudinal lifting ropes 14 of the central floating body platform 3; the second end of the top cross bar 17 and the second end of the bottom cross bar 18 of the first drainage wall 7 are respectively provided with an eighth hanging ring 45, and the two eighth hanging rings 45 are sleeved on the platform longitudinal sling 14 of the first wake floating body platform 4; and a second end of the top cross bar 17 and a second end of the bottom cross bar 18 of the second drainage wall 11 are respectively provided with a ninth hanging ring 46, and the two ninth hanging rings 46 are sleeved on the platform longitudinal sling 14 of the second wake floating body platform 8.
The first division wall 6, the first guide wall 7, the second division wall 10 and the second guide wall 11 can move up and down simultaneously under the action of a lifting system. Wherein the lifting system comprises a first lifting device 21 arranged at the central buoyant platform 3, a second lifting device 22 arranged at the first buoyant float platform 5, a third lifting device 23 arranged at the first buoyant float platform 4, a fourth lifting device 24 arranged at the second buoyant float platform 9 and a fifth lifting device 25 arranged at the second buoyant float platform 8. The first lifting device 21 controls the first division wall single body 27 and the third division wall single body 33 simultaneously; the second lifting device 22 controls the second division wall single body 28 and the first division wall single body 30 simultaneously; the third lifting device 23 controls the second drainage wall single body 31; the fourth lifting device 24 controls the fourth diversion wall single body 34 and the third diversion wall single body 36 at the same time; the fifth lifting device 25 controls the fourth guide wall unit 37.
In particular, the first lifting device 21, the second lifting device 22, the third lifting device 23, the fourth lifting device 24 and the fifth lifting device 25 each comprise an adjusting sling and an electric winch. The first end of the adjusting sling of the first lifting device 21 is fixedly connected with the top cross bar 17 of the first division wall single body 27 and the top cross bar 17 of the third division wall single body 33, the second end of the adjusting sling of the first lifting device 21 is fixedly connected with the bottom cross bar 18 of the first division wall single body 27 and the bottom cross bar 18 of the third division wall single body 33, the middle part of the adjusting sling of the first lifting device 21 is bound and connected with the electric winch of the first lifting device 21, and the electric winch of the first lifting device 21 is arranged on the buoyancy tank 12 of the central floating body platform 3. The first end of the adjusting sling of the second lifting device 22 is fixedly connected with the top cross bar 17 of the second division wall single body 28 and the top cross bar 17 of the first drainage wall single body 30, the second end of the adjusting sling of the second lifting device 22 is fixedly connected with the bottom cross bar 18 of the second division wall single body 28 and the bottom cross bar 18 of the first drainage wall single body 30, the middle part of the adjusting sling of the second lifting device 22 is bound and connected with the electric winch of the second lifting device 22, and the electric winch of the second lifting device 22 is arranged on the buoyancy tank 12 of the first drainage buoyancy body platform 5. The first end of the adjusting sling of the third lifting device 23 is fixedly connected with the top cross rod 17 of the second drainage wall single body 31, the second end of the adjusting sling of the third lifting device 23 is fixedly connected with the bottom cross rod 18 of the second drainage wall single body 31, the middle part of the adjusting sling of the third lifting device 23 is bound and connected with the electric winch of the third lifting device 23, and the electric winch of the third lifting device 23 is arranged on the buoyancy tank 12 of the first wake buoyancy platform 4. The first end of the adjusting sling of the fourth lifting device 24 is fixedly connected with the top cross bar 17 of the fourth division wall single body 34 and the top cross bar 17 of the third division wall single body 36, the second end of the adjusting sling of the fourth lifting device 24 is fixedly connected with the bottom cross bar 18 of the fourth division wall single body 34 and the bottom cross bar 18 of the third division wall single body 36, the middle part of the adjusting sling of the fourth lifting device 24 is bound and connected with the electric winch of the fourth lifting device 24, and the electric winch of the fourth lifting device 24 is arranged on the buoyancy tank 12 of the second drainage buoyancy body platform 9. The first end of the adjusting sling of the fifth lifting device 25 is fixedly connected with the top cross bar 17 of the fourth drainage wall single body 37, the second end of the adjusting sling of the fifth lifting device 25 is fixedly connected with the bottom cross bar 18 of the fourth drainage wall single body 37, the middle part of the adjusting sling of the fifth lifting device 25 is bound and connected with the electric winch of the fifth lifting device 25, and the electric winch of the fifth lifting device 25 is arranged on the buoyancy tank 12 of the second wake buoyancy platform 8.
The transverse slings 16, the platform longitudinal slings 14, the first retaining wall longitudinal slings 26, the second retaining wall longitudinal slings 29, the third retaining wall longitudinal slings 32, the fourth retaining wall longitudinal slings 35, the adjusting slings, the top cross bar 17 and the bottom cross bar 18 are all made of steel structures; the mooring cable 13 is a steel cable; the retaining wall body 19 is made of high-toughness geotextile with oxidation resistance and corrosion resistance.
The construction method of the ocean current retaining wall comprises the following steps:
step 1, after the prefabricated buoyancy tank 12 and the platform suction bucket 15 are transported to designated positions in a whole floating mode, the platform suction bucket 15 is sunk below a sea floor II, the first end of the platform longitudinal sling 14 is connected to the bottom surface of the buoyancy tank 12, the second end of the platform longitudinal sling 14 is anchored on the platform suction bucket 15, and the position fixing of the central floating body platform 3, the first drainage floating body platform 5 and the second drainage floating body platform 9 is completed.
And 2, connecting the first drainage floating platform 5, the central floating platform 3 and the second drainage floating platform 9 into a whole from left to right through a transverse sling 16, wherein the transverse sling 16 is 2-5 m higher than the highest water level of the sea surface.
Step 3, arranging the first retaining wall longitudinal sling 26, wherein every 20m to 50m of the longitudinal sling 26 in the length direction of the transverse sling 16 can be arranged with one first retaining wall longitudinal sling 26: the first end of the first retaining wall longitudinal sling 26 is bound and fixed with the transverse sling 16 between the central floating body platform 3 and the first drainage floating body platform 5, the second end is anchored on the first retaining wall suction bucket 47, and the first retaining wall suction bucket 47 is sunk below the sea bottom surface II.
Step 4, the third retaining wall longitudinal slings 32 are laid out as shown in step 3.
Step 5, arranging a first division wall monomer 27 and a second division wall monomer 28: the top cross bars 17, the bottom cross bars 18 and the retaining wall bodies 19 of the first division wall single bodies 27 are arranged between the platform longitudinal slings 14 and the first retaining wall longitudinal slings 26 of the central floating body platform 3, and the top cross bars 17, the bottom cross bars 18 and the retaining wall bodies 19 of the first division wall single bodies 27 are bound into a whole; the top cross bars 17, the bottom cross bars 18 and the retaining wall bodies 19 of the second diversion wall single bodies 28 are arranged between the first retaining wall longitudinal slings 26 and the platform longitudinal slings 14 of the first drainage floating platform 5, the top cross bars 17, the bottom cross bars 18 and the retaining wall bodies 19 of the second diversion wall single bodies 28 are bound into a whole, wherein the top cross bars 17 of the first diversion wall single bodies 27 and the top cross bars 17 of the second diversion wall single bodies 28 are not higher than the bottom surface of the buoyancy tanks 12. The top cross bar 17 of the first single dividing wall body 27 and the top cross bar 17 of the second single dividing wall body 28, the bottom cross bar 18 of the first single dividing wall body 27 and the bottom cross bar 18 of the second single dividing wall body 28 are respectively connected into a whole through first hanging rings 38, and the two first hanging rings 38 are sleeved on the first retaining wall longitudinal sling 26. One cross bar can be arranged between every 5m to 20m in the width direction between the longitudinal suspension ropes, the number of the cross bars is determined according to the water depth, but at least two cross bars (a top cross bar 17 and a bottom cross bar 18) are arranged, and the length of each cross bar is equal to the distance between the adjacent longitudinal suspension ropes.
Step 6, arranging the third division wall monomer 33 and the fourth division wall monomer 34 according to the method shown in step 5.
And 7, respectively connecting the top cross rod 17 of the first division wall single body 27 and the top cross rod 17 of the third division wall single body 33, the bottom cross rod 18 of the first division wall single body 27 and the bottom cross rod 18 of the third division wall single body 33 into a whole through seventh hanging rings 44, and sleeving the two seventh hanging rings 44 on the platform longitudinal hanging ropes 14 of the central floating body platform 3.
And 8, installing a first lifting device 21, a second lifting device 22 and a third lifting device 23, wherein an adjusting sling of the lifting devices is fixedly connected with the corresponding cross beam, and collecting the adjusting sling through an electric winch of the lifting devices to lift the retaining wall body 19 out of the water surface when the retaining wall body 19 needs to be disassembled, replaced and maintained.
And 9, determining the positions of the first wake floating platform 4 and the second wake floating platform 8 according to the range of the scoured improved area I, and installing the first wake floating platform 4, the second wake floating platform 8, the second retaining wall longitudinal sling 29, the fourth retaining wall longitudinal sling 35, the first drainage wall single body 30, the second drainage wall single body 31, the third drainage wall single body 36, the fourth drainage wall single body 37, the third lifting device 23 and the fifth lifting device 25 according to the method shown in the steps 1 to 8 to complete the construction of the ocean current retaining wall.
When the ocean current comes, the retaining wall body 19 is bent into an arc shape, the ocean current is divided into two parts under the action of the first diversion wall 6 and the second diversion wall 10, one part of the ocean current is diverted to the first diversion wall 7 of the left retaining wall 1, the other part of the ocean current is diverted to the second diversion wall 11 of the right retaining wall 2, so that most of the ocean current flow deviates from the scouring improvement area I, a small amount of the ocean current flows to the scouring improvement area I through the flow holes 20, the flow speed and the direction of the ocean current are locally changed, the ocean current flow speed of the scouring improvement area I is greatly reduced, the sediment in the ocean current is deposited, and the problem that the base soil moves due to scouring under the action of the ocean current is effectively solved.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (10)

1. The ocean current retaining wall is arranged in front of an improved scouring area (I), and is characterized by comprising a left retaining wall (1) and a right retaining wall (2), wherein the left retaining wall (1) and the right retaining wall (2) are symmetrical about a central line of the improved scouring area (I), a first end of the left retaining wall (1) and a first end of the right retaining wall (2) are positioned on the central line and form a shared end, a second end of the left retaining wall (1) extends to the vicinity of the left boundary of the improved scouring area (I) from the shared end to the lower left, and a second end of the right retaining wall (2) extends to the vicinity of the right boundary of the improved scouring area (I) from the shared end to the lower right;
wherein the common end is provided with a central floating platform (3);
the left retaining wall (1) comprises a first wake buoyant platform (4) located at the second end and a first drainage buoyant platform (5) located between the central buoyant platform (3) and the first wake buoyant platform (4); a first diversion wall (6) is arranged between the central floating body platform (3) and the first drainage floating body platform (5), and a first drainage wall (7) is arranged between the first drainage floating body platform (5) and the first wake floating body platform (4);
the right retaining wall (2) comprises a second wake buoyant platform (8) located at a second end and a second drainage buoyant platform (9) located between the central buoyant platform (3) and the second wake buoyant platform (8); a second diversion wall (10) is arranged between the central floating body platform (3) and the second drainage floating body platform (9), and a second drainage wall (11) is arranged between the second drainage floating body platform (9) and the second wake floating body platform (8).
2. The ocean current retaining wall of claim 1 wherein the central buoyant platform (3), the first current-inducing buoyant platform (5), the first wake buoyant platform (4), the second current-inducing buoyant platform (9), and the second wake buoyant platform (8) each comprise a pontoon (12) and an anchoring system;
wherein the anchoring system comprises mooring lines (13), platform longitudinal slings (14) and a platform suction bucket (15); the first end of the mooring cable (13) is fixedly connected with the buoyancy tank (12), and the second end of the mooring cable is anchored in the sea floor (II); the platform suction bucket (15) is fixed in a sea floor surface (II) below the floating box (12), the first end of the platform longitudinal sling (14) is fixedly connected with the floating box (12), and the second end of the platform longitudinal sling is anchored on the platform suction bucket (15).
3. The ocean current retaining wall of claim 2, wherein the pontoons (12) of the central buoyant platform (3) and the pontoons (12) of the first buoyant platform (5), the pontoons (12) of the first buoyant platform (5) and the pontoons (12) of the first wake buoyant platform (4), the pontoons (12) of the central buoyant platform (3) and the pontoons (12) of the second buoyant platform (9), and the pontoons (12) of the second buoyant platform (9) and the pontoons (12) of the second wake buoyant platform (8) are connected by transverse slings (16).
4. The ocean current retaining wall according to claim 1, wherein the first diversion wall (6), the first diversion wall (7), the second diversion wall (10) and the second diversion wall (11) each comprise a top cross rod (17), a bottom cross rod (18) and a retaining wall body (19) arranged between the top cross rod (17) and the bottom cross rod (18), the upper end and the lower end of the retaining wall body (19) are respectively fixedly connected with the top cross rod (17) and the bottom cross rod (18), and the retaining wall body (19) is provided with an overflowing hole (20).
5. Ocean current retaining wall according to claim 4, wherein the first diversion wall (6), the first diversion wall (7), the second diversion wall (10) and the second diversion wall (11) can move up and down simultaneously under the action of a lifting system;
wherein the lifting system comprises a first lifting device (21) arranged at the central buoyant platform (3), a second lifting device (22) arranged at the first buoyant hull platform (5), a third lifting device (23) arranged at the first buoyant wake platform (4), a fourth lifting device (24) arranged at the second buoyant wake platform (9) and a fifth lifting device (25) arranged at the second buoyant wake platform (8).
6. The ocean current retaining wall according to claim 5 wherein first retaining wall longitudinal slings (26) are provided between the platform longitudinal slings (14) of the central buoyant platform (3) and the platform longitudinal slings (14) of the first diverting buoyant platform (5) such that the first diverting wall (6) is divided into first diverting wall monomers (27) and second diverting wall monomers (28); a second drainage wall longitudinal sling (29) is arranged between the platform longitudinal sling (14) of the first drainage floating platform (5) and the platform longitudinal sling (14) of the first wake floating platform (4), so that the first drainage wall (7) is divided into a first drainage wall single body (30) and a second drainage wall single body (31); a third baffle wall longitudinal sling (32) is arranged between the platform longitudinal sling (14) of the central floating body platform (3) and the platform longitudinal sling (14) of the second drainage floating body platform (9), so that the second division wall (10) is divided into a third division wall single body (33) and a fourth division wall single body (34); a fourth retaining wall longitudinal sling (35) is arranged between the platform longitudinal sling (14) of the second drainage floating platform (9) and the platform longitudinal sling (14) of the second wake floating platform (8), so that the second drainage wall (11) is divided into a third drainage wall single body (36) and a fourth drainage wall single body (37); the first lifting device (21) controls the first flow dividing wall single body (27) and the third flow dividing wall single body (33) simultaneously; the second lifting device (22) controls the second diversion wall single body (28) and the first diversion wall single body (30) at the same time; the third lifting device (23) controls the second drainage wall single body (31); the fourth lifting device (24) controls the fourth diversion wall single body (34) and the third diversion wall single body (36) at the same time; the fifth lifting device (25) controls the fourth guide wall unit (37).
7. The ocean current retaining wall according to claim 6, wherein first hanging rings (38) are respectively arranged at the middle position of the top cross bar (17) and the middle position of the bottom cross bar (18) of the first diversion wall (6), and both first hanging rings (38) are sleeved on the first retaining wall longitudinal sling (26); second hanging rings (39) are respectively arranged at the middle positions of a top cross bar (17) and a bottom cross bar (18) of the first drainage wall (7), and the two second hanging rings (39) are sleeved on longitudinal sling (29) of the second drainage wall; third hanging rings (40) are respectively arranged at the middle positions of a top cross bar (17) and a bottom cross bar (18) of the second division wall (10), and the two third hanging rings (40) are sleeved on third baffle wall longitudinal slings (32); fourth hanging rings (41) are respectively arranged at the middle position of a top cross bar (17) and the middle position of a bottom cross bar (18) of the second drainage wall (11), and the two fourth hanging rings (41) are sleeved on a fourth retaining wall longitudinal sling (35);
moreover, the first end of the top cross rod (17) of the first diversion wall (6) and the first end of the top cross rod (17) of the first diversion wall (7), the first end of the bottom cross rod (18) of the first diversion wall (6) and the first end of the bottom cross rod (18) of the first diversion wall (7) are respectively connected with each other through a fifth hanging ring (42), and the two fifth hanging rings (42) are sleeved on the platform longitudinal sling (14) of the first diversion floating body platform (5); the first end of a top cross rod (17) of the second diversion wall (10) and the first end of a top cross rod (17) of the second diversion wall (11), the first end of a bottom cross rod (18) of the second diversion wall (10) and the first end of a bottom cross rod (18) of the second diversion wall (11) are connected with each other through sixth hanging rings (43), and the two sixth hanging rings (43) are sleeved on a platform longitudinal sling (14) of the second diversion floating body platform (9); the second end of the top cross rod (17) of the first division wall (6) and the second end of the top cross rod (17) of the second division wall (10) are connected with each other through a seventh lifting ring (44), the second end of the bottom cross rod (18) of the first division wall (6) and the second end of the bottom cross rod (18) of the second division wall (10) are connected with each other through a seventh lifting ring (44), and the two seventh lifting rings (44) are sleeved on the platform longitudinal lifting cable (14) of the central floating body platform (3); the second end of a top cross rod (17) and the second end of a bottom cross rod (18) of the first drainage wall (7) are respectively provided with eighth hanging rings (45), and the two eighth hanging rings (45) are sleeved on a platform longitudinal sling (14) of the first wake floating body platform (4); and a second end of a top cross rod (17) and a second end of a bottom cross rod (18) of the second drainage wall (11) are respectively provided with a ninth hanging ring (46), and the two ninth hanging rings (46) are sleeved on the platform longitudinal sling (14) of the second wake floating body platform (8).
8. The ocean current retaining wall of claim 6, wherein the first lifting device (21), the second lifting device (22), the third lifting device (23), the fourth lifting device (24) and the fifth lifting device (25) each comprise an adjusting sling and an electric winch;
a first end of an adjusting sling of the first lifting device (21) is fixedly connected with a top cross rod (17) of the first shunting wall single body (27) and a top cross rod (17) of the third shunting wall single body (33), a second end of the adjusting sling of the first lifting device (21) is fixedly connected with a bottom cross rod (18) of the first shunting wall single body (27) and a bottom cross rod (18) of the third shunting wall single body (33), a middle part of the adjusting sling of the first lifting device (21) is bound and connected with an electric winch of the first lifting device (21), and the electric winch of the first lifting device (21) is arranged on a floating box (12) of the central floating body platform (3);
the first end of the adjusting sling of the second lifting device (22) is fixedly connected with the top cross rod (17) of the second division wall single body (28) and the top cross rod (17) of the first division wall single body (30), the second end of the adjusting sling of the second lifting device (22) is fixedly connected with the bottom cross rod (18) of the second division wall single body (28) and the bottom cross rod (18) of the first division wall single body (30), the middle part of the adjusting sling of the second lifting device (22) is bound and connected with the electric winch of the second lifting device (22), and the electric winch of the second lifting device (22) is arranged on the buoyancy tank (12) of the first division floating body platform (5);
the first end of an adjusting sling of the third lifting device (23) is fixedly connected with the top cross rod (17) of the second drainage wall single body (31), the second end of the adjusting sling of the third lifting device (23) is fixedly connected with the bottom cross rod (18) of the second drainage wall single body (31), the middle part of the adjusting sling of the third lifting device (23) is bound and connected with an electric winch of the third lifting device (23), and the electric winch of the third lifting device (23) is arranged on the buoyancy tank (12) of the first wake float platform (4);
the first end of an adjusting sling of the fourth lifting device (24) is fixedly connected with a top cross rod (17) of the fourth diversion wall single body (34) and a top cross rod (17) of the third diversion wall single body (36), the second end of the adjusting sling of the fourth lifting device (24) is fixedly connected with a bottom cross rod (18) of the fourth diversion wall single body (34) and a bottom cross rod (18) of the third diversion wall single body (36), the middle part of the adjusting sling of the fourth lifting device (24) is bound and connected with an electric winch of the fourth lifting device (24), and the electric winch of the fourth lifting device (24) is arranged on a floating box (12) of the second diversion floating body platform (9);
the first end of an adjusting sling of the fifth lifting device (25) is fixedly connected with the top cross rod (17) of the fourth drainage wall single body (37), the second end of the adjusting sling of the fifth lifting device (25) is fixedly connected with the bottom cross rod (18) of the fourth drainage wall single body (37), the middle part of the adjusting sling of the fifth lifting device (25) is bound and connected with an electric winch of the fifth lifting device (25), and the electric winch of the fifth lifting device (25) is arranged on the buoyancy tank (12) of the second wake float platform (8).
9. The ocean current retaining wall of claim 6, wherein the first ends of the first retaining wall longitudinal slings (26) are fixedly connected to the transverse slings (16) between the central buoyant platform (3) and the first drainage buoyant platform (5), the second ends of the first retaining wall longitudinal slings (26) are anchored to a first retaining wall suction bucket (47), and the first retaining wall suction bucket (47) is fixed in the sea floor (II);
the first end of the second retaining wall longitudinal sling (29) is fixedly connected to the transverse sling (16) between the first drainage floating body platform (5) and the first wake floating body platform (4), the second end of the second retaining wall longitudinal sling (29) is anchored on a second retaining wall suction bucket (48), and the second retaining wall suction bucket (48) is fixed in the sea bottom surface (II);
the first end of the third retaining wall longitudinal sling (32) is fixedly connected to the transverse sling (16) between the central floating body platform (3) and the second drainage floating body platform (9), the second end of the third retaining wall longitudinal sling (32) is anchored on a third retaining wall suction bucket (49), and the third retaining wall suction bucket (49) is fixed in the sea bottom surface (II);
the first end fixed connection of fourth barricade longitudinal sling (35) is in second drainage body platform (9) with on horizontal hoist cable (16) between second wake body platform (8), the second end anchor of fourth barricade longitudinal sling (35) is on fourth barricade suction bucket (50), fourth barricade suction bucket (50) are fixed in seabed face (II).
10. The construction method of the ocean current retaining wall based on any one of the claims 1 to 9 is characterized by comprising the following steps:
step 1, sinking a platform suction bucket (15) below a sea bottom surface (II) at a designated position, after integrally floating and transporting a prefabricated floating box (12) to the designated position, connecting a first end of a platform longitudinal sling (14) to the bottom surface of the floating box (12), and anchoring a second end of the platform longitudinal sling (14) on the platform suction bucket (15) to finish the position fixing of a central floating body platform (3), a first drainage floating body platform (5) and a second drainage floating body platform (9);
step 2, connecting the first drainage floating platform (5), the central floating platform (3) and the second drainage floating platform (9) into a whole through a transverse sling (16);
and 3, arranging the first retaining wall longitudinal sling (26): the first end of a first retaining wall longitudinal sling (26) is fixedly bound with a transverse sling (16) between the central floating body platform (3) and the first drainage floating body platform (5), the second end of the first retaining wall longitudinal sling is anchored on a first retaining wall suction bucket (47), and the first retaining wall suction bucket (47) is sunk below a sea bottom surface (II);
step 4, arranging a third retaining wall longitudinal sling (32) according to the method shown in the step 3;
step 5, arranging a first flow dividing wall single body (27) and a second flow dividing wall single body (28): the top cross bar (17), the bottom cross bar (18) and the retaining wall body (19) of the first shunting wall monomer (27) are arranged between the platform longitudinal sling (14) of the central floating body platform (3) and the first retaining wall longitudinal sling (26), and the top cross bar (17), the bottom cross bar (18) and the retaining wall body (19) of the first shunting wall monomer (27) are bound into a whole; a top cross bar (17), a bottom cross bar (18) and a retaining wall body (19) of a second shunting wall single body (28) are arranged between the first retaining wall longitudinal sling (26) and the platform longitudinal sling (14) of the first drainage floating body platform (5), and the top cross bar (17), the bottom cross bar (18) and the retaining wall body (19) of the second shunting wall single body (28) are bound into a whole; the top cross rod (17) of the first diversion wall single body (27) and the top cross rod (17) of the second diversion wall single body (28) and the bottom cross rod (18) of the first diversion wall single body (27) and the bottom cross rod (18) of the second diversion wall single body (28) are connected into a whole through first hanging rings (38), and the two first hanging rings (38) are sleeved on the first retaining wall longitudinal sling (26);
step 6, arranging a third division wall monomer (33) and a fourth division wall monomer (34) according to the method shown in the step 5;
step 7, connecting the top cross rod (17) of the first single diversion wall body (27) and the top cross rod (17) of the third single diversion wall body (33), the bottom cross rod (18) of the first single diversion wall body (27) and the bottom cross rod (18) of the third single diversion wall body (33) into a whole through seventh lifting rings (44), and sleeving the two seventh lifting rings (44) on the platform longitudinal lifting ropes (14) of the central floating body platform (3);
step 8, installing a first lifting device (21), a second lifting device (22) and a fourth lifting device (24), wherein an adjusting sling of the lifting device is fixedly connected with a corresponding cross beam, and when the retaining wall body (19) needs to be disassembled, replaced and maintained, the adjusting sling is collected through an electric winch of the lifting device to lift the retaining wall body (19) out of the water surface;
and 9, determining the positions of the first wake floating platform (4) and the second wake floating platform (8), and installing the first wake floating platform (4), the second wake floating platform (8), the second retaining wall longitudinal sling (29), the fourth retaining wall longitudinal sling (35), the first drainage wall monomer (30), the second drainage wall monomer (31), the third drainage wall monomer (36), the fourth drainage wall monomer (37), the third lifting device (23) and the fifth lifting device (25) according to the method shown in the steps 1 to 8 to complete the construction of the ocean current retaining wall.
CN202011376586.3A 2020-11-30 2020-11-30 Ocean current retaining wall and construction method thereof Pending CN112411629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011376586.3A CN112411629A (en) 2020-11-30 2020-11-30 Ocean current retaining wall and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011376586.3A CN112411629A (en) 2020-11-30 2020-11-30 Ocean current retaining wall and construction method thereof

Publications (1)

Publication Number Publication Date
CN112411629A true CN112411629A (en) 2021-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011376586.3A Pending CN112411629A (en) 2020-11-30 2020-11-30 Ocean current retaining wall and construction method thereof

Country Status (1)

Country Link
CN (1) CN112411629A (en)

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