CN113062339B - Structure for preventing seabed liquefaction from inducing overturn of extra-large-diameter steel cylinder of artificial island - Google Patents
Structure for preventing seabed liquefaction from inducing overturn of extra-large-diameter steel cylinder of artificial island Download PDFInfo
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- CN113062339B CN113062339B CN202110255958.5A CN202110255958A CN113062339B CN 113062339 B CN113062339 B CN 113062339B CN 202110255958 A CN202110255958 A CN 202110255958A CN 113062339 B CN113062339 B CN 113062339B
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- Prior art keywords
- pull ring
- artificial island
- steel
- steel cylinder
- liquefaction
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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
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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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
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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
- E02D31/08—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 against transmission of vibrations or movements in the foundation soil
Abstract
The invention provides a structure for preventing a seabed liquefaction induced artificial island super-large diameter steel cylinder from overturning, which comprises a plurality of steel cylinders, wherein the lower ends of the steel cylinders penetrate through an underwater liquefaction stratum to enter a bedrock stratum, the plurality of steel cylinders are arranged around the artificial island, and the adjacent steel cylinders are connected with each other; the artificial island is characterized in that a plurality of tensile mechanisms are arranged inside the artificial island, the tensile mechanisms are arranged at intervals in the vertical direction, each tensile mechanism comprises a first pull ring, a second pull ring, a third pull ring and a first pull ring, the second pull ring and the third pull ring are of annular structures, the first pull ring, the second pull ring and the third pull ring are arranged around the artificial island, the second pull ring is arranged on the inner side of the first pull ring, and the third pull ring is arranged on the inner side of the second pull ring; a plurality of fixed insertion rods are respectively arranged on the first pull ring, the second pull ring and the third pull ring, the fixed insertion rods are vertically arranged, and each steel cylinder is fixedly connected with the first pull ring through a first steel cable rope.
Description
Technical Field
The invention relates to a structure for preventing an artificial island super-large diameter steel cylinder from overturning caused by seabed liquefaction.
Background
At present, the artificial island comprises a majon bridge, the artificial island is formed by cofferdams made of steel cylinders with super-large diameters, and then soil is filled in the steel cylinders, but most afraid of the situation that the sea bed is liquefied due to the coming earthquake or the waves, the large cylinder structure topples or collapses, the bedrock stratum structure is stable, and the structure of the liquefied stratum is easily influenced by the earthquake and the like.
Disclosure of Invention
Aiming at the problems pointed out in the background technology, the invention provides a structure for preventing the seabed liquefaction from inducing the overturning of the super-large diameter steel cylinder of the artificial island.
The technical scheme of the invention is realized as follows:
a structure for preventing a seabed liquefaction induced artificial island from overturning comprises steel cylinders, wherein the lower ends of the steel cylinders penetrate through an underwater liquefaction stratum to enter a bedrock stratum, the steel cylinders are arranged in a plurality of numbers, the steel cylinders are arranged around the artificial island, and the adjacent steel cylinders are connected with each other;
the artificial island is characterized in that a plurality of tensile mechanisms are arranged in the artificial island, the tensile mechanisms are arranged at intervals in the vertical direction, each tensile mechanism comprises a first pull ring, a second pull ring, a third pull ring and a first pull ring, the second pull ring and the third pull ring are of annular structures, the first pull ring, the second pull ring and the third pull ring are arranged around the artificial island, the second pull ring is arranged on the inner side of the first pull ring, and the third pull ring is arranged on the inner side of the second pull ring;
the first pull ring, the second pull ring and the third pull ring are respectively provided with a plurality of fixed insertion rods, the fixed insertion rods are vertically arranged, each steel cylinder is fixedly connected with the first pull ring through a first steel cable rope, a plurality of second steel cable ropes for connecting the first pull ring and the second pull ring are arranged between the first pull ring and the second pull ring, and a plurality of third steel cable ropes for connecting the second pull ring and the third pull ring are arranged between the second pull ring and the third pull ring;
the lower end of the steel cylinder is provided with a balance assembly which extends outwards along the radial direction of the steel cylinder, the balance assembly comprises a fixed rod, the fixed rod is arranged along the radial direction of the steel cylinder, one end of the fixed rod is fixedly connected with the steel cylinder, the other end of the fixed rod is connected with two balance plates, one balance plate is arranged horizontally, the other balance plate is arranged vertically, and the two balance plates are arranged in a staggered manner;
the steel cylinder is filled with concrete.
The invention further provides that the counterbalance assembly is disposed in a liquefied formation.
The invention is further provided that the balancing plate is made of plastic.
The invention is further configured such that adjacent steel cylinders are connected by a steel cable.
The invention is further provided that the first pull ring, the second pull ring and the third pull ring are all steel ropes.
The invention is further provided that the third pull ring is arranged at the center of the artificial island.
By adopting the technical scheme, the invention has the beneficial effects that:
the structure for preventing the overturning of the steel cylinder with the overlarge diameter of the artificial island caused by the liquefaction of the seabed, provided by the invention, has the advantages that the steel cylinder is arranged around the artificial island, the tensile mechanism is arranged in the artificial island, the steel cylinder is pulled by the tensile mechanism, all the steel cylinders can be tightly arranged around the artificial island, the steel cylinder and the whole artificial island form a whole, the integral stability is enhanced, meanwhile, the lower end of the steel cylinder is inserted into a liquefied stratum and a bedrock stratum, the bedrock stratum plays a fixing role, the part of the steel cylinder, which is positioned in the liquefied stratum, is provided with the balance component, and the shock resistance of the steel cylinder is enhanced by the balance component.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic view of the present invention;
FIG. 2 is a first schematic structural diagram of the present invention;
FIG. 3 is a second structural diagram of the present invention;
FIG. 4 is a second schematic structural view of the present invention;
fig. 5 is a schematic structural view of the balance plate of the present invention.
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.
The invention is illustrated below with reference to fig. 1-5:
the structure comprises a steel cylinder 1, wherein the lower end of the steel cylinder 1 penetrates through an underwater liquefaction stratum 2 to enter a bedrock stratum 3, the steel cylinder 1 is provided with a plurality of steel cylinders 1, the steel cylinders 1 are arranged around an artificial island, and the adjacent steel cylinders 1 are connected with each other.
The artificial island is internally provided with a plurality of tensile mechanisms which are arranged at intervals in the vertical direction.
Tensile mechanism include first pull ring 4, second pull ring 5, third pull ring 6, first pull ring 4, second pull ring 5, third pull ring 6 are the loop configuration, first pull ring 4, second pull ring 5, third pull ring 6 encircle the artificial island and set up, second pull ring 5 sets up the inboard at first pull ring 4, third pull ring 6 sets up the inboard of second pull ring 5.
A plurality of fixed insertion rods 7 are respectively arranged on the first pull ring 4, the second pull ring 5 and the third pull ring 6, the fixed insertion rods 7 are vertically arranged, each steel cylinder 1 is fixedly connected with the first pull ring 4 through a first steel cable rope 8, a plurality of second steel cable ropes 9 for connecting the first pull ring 4 and the second pull ring 5 are arranged between the first pull ring 4 and the second pull ring 5, and a plurality of third steel cable ropes 10 for connecting the first pull ring 5 and the third pull ring 6 are arranged between the second pull ring 5 and the third pull ring 6.
The lower extreme of steel drum 1 be equipped with along its radial outside balanced subassembly that stretches out, balanced subassembly include dead lever 11, dead lever 11 follow the radial direction setting of steel drum 1, the one end and the 1 fixed connection of steel drum of dead lever 11, the other end of dead lever 11 be connected with two balance plates 12, one of them balance plate 12 is the level setting, another balance plate 12 is vertical setting, two balance plate 12 crisscross settings each other.
The steel cylinder 1 is filled with concrete.
Wherein the equalization assembly is disposed in the liquefied formation 2.
Wherein the balance plate 12 is made of plastic.
Wherein, the adjacent steel cylinders 1 are connected by steel ropes.
The first pull ring 4, the second pull ring 5 and the third pull ring 6 are all steel ropes.
Wherein, the third pull ring 6 is arranged at the central position of the artificial island.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the structure for preventing the extra-large-diameter steel cylinder 1 of the artificial island from overturning caused by seabed liquefaction, the steel cylinder 1 is arranged around the artificial island 20, the tensile mechanism is arranged in the artificial island 20, the steel cylinder 1 is pulled through the tensile mechanism, all the steel cylinders 1 can be tightly arranged around the artificial island, the steel cylinder 1 and the whole artificial island form a whole, the stability of the whole is enhanced, meanwhile, the lower end of the steel cylinder 1 is inserted into the liquefied stratum 2 and the bedrock stratum 3, the bedrock stratum 3 plays a role in fixing, the part, located on the liquefied stratum 2, of the steel cylinder 1 is provided with the balance assembly, and the shock resistance of the steel cylinder 1 is enhanced through the balance assembly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a prevent structure that seabed liquefaction induced artificial island super large diameter steel drum topples which characterized in that: the artificial island is characterized by comprising a plurality of steel cylinders, wherein the lower ends of the steel cylinders penetrate through an underwater liquefied stratum to enter a bedrock stratum, the steel cylinders are arranged around the artificial island, and adjacent steel cylinders are connected with each other;
the artificial island is characterized in that a plurality of tensile mechanisms are arranged in the artificial island, the tensile mechanisms are arranged at intervals in the vertical direction, each tensile mechanism comprises a first pull ring, a second pull ring and a third pull ring, the first pull ring, the second pull ring and the third pull ring are all of annular structures, the first pull ring, the second pull ring and the third pull ring are arranged around the artificial island, the second pull ring is arranged on the inner side of the first pull ring, and the third pull ring is arranged on the inner side of the second pull ring;
a plurality of fixed insertion rods are respectively arranged on the first pull ring, the second pull ring and the third pull ring, the fixed insertion rods are vertically arranged, each steel cylinder is fixedly connected with the first pull ring through a first steel cable rope, a plurality of second steel cable ropes for connecting the first pull ring and the second pull ring are arranged between the first pull ring and the second pull ring, and a plurality of third steel cable ropes for connecting the second pull ring and the third pull ring are arranged between the second pull ring and the third pull ring;
the lower end of the steel cylinder is provided with a balance assembly which extends outwards along the radial direction of the steel cylinder, the balance assembly comprises a fixed rod, the fixed rod is arranged along the radial direction of the steel cylinder, one end of the fixed rod is fixedly connected with the steel cylinder, the other end of the fixed rod is connected with two balance plates, one balance plate is arranged horizontally, the other balance plate is arranged vertically, and the two balance plates are arranged in a staggered manner;
the steel cylinder is filled with concrete.
2. The structure for preventing the seabed liquefaction induced overturn of the artificial island extra-large diameter steel cylinder is characterized in that: the equalization assembly is disposed in a liquefied formation.
3. The structure for preventing the seabed liquefaction induced overturn of the artificial island extra-large diameter steel cylinder is characterized in that: the balance plate is made of plastic.
4. The structure for preventing the seabed liquefaction induced overturn of the artificial island extra-large diameter steel cylinder is characterized in that: the adjacent steel cylinders are connected through steel cables.
5. The structure for preventing the seabed liquefaction induced overturn of the artificial island extra-large diameter steel cylinder is characterized in that: the first pull ring, the second pull ring and the third pull ring are all steel ropes.
6. The structure for preventing the seabed liquefaction induced overturn of the artificial island extra-large diameter steel cylinder is characterized in that: the third pull ring is arranged at the center of the artificial island.
Priority Applications (1)
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CN202110255958.5A CN113062339B (en) | 2021-03-09 | 2021-03-09 | Structure for preventing seabed liquefaction from inducing overturn of extra-large-diameter steel cylinder of artificial island |
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CN202110255958.5A CN113062339B (en) | 2021-03-09 | 2021-03-09 | Structure for preventing seabed liquefaction from inducing overturn of extra-large-diameter steel cylinder of artificial island |
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CN113062339A CN113062339A (en) | 2021-07-02 |
CN113062339B true CN113062339B (en) | 2023-02-03 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114150645B (en) * | 2021-12-07 | 2023-02-07 | 应急管理部国家自然灾害防治研究院 | Self-resetting device for preventing sea bed liquefaction from inducing ocean structure instability |
CN114134942B (en) * | 2021-12-07 | 2022-07-22 | 应急管理部国家自然灾害防治研究院 | A drawknot device for preventing seabed earthquake liquefaction induces marine structure to topple |
Citations (6)
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JP2011006960A (en) * | 2009-06-26 | 2011-01-13 | Tanigaki Kenko:Kk | Earth retaining structure |
CN103422680A (en) * | 2012-05-16 | 2013-12-04 | 孟凡辉 | Electrified pole and tower righting device and operation method thereof |
CN105274922A (en) * | 2015-09-11 | 2016-01-27 | 重庆大学 | Anti-slide tie-steel pipe pile composite structure for repairing cave-in roadbed and method |
CN108677991A (en) * | 2018-07-26 | 2018-10-19 | 山东大学 | A kind of suction type combination foundation structure and construction method being suitable for easily liquefaction stratum |
CN209741793U (en) * | 2018-01-15 | 2019-12-06 | 青岛广能橡胶制造有限公司 | Novel oil containment boom |
KR20200006329A (en) * | 2018-07-10 | 2020-01-20 | 대경지반기술(주) | Reinforcing structure of block type retaining wall and construction method thereof |
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2021
- 2021-03-09 CN CN202110255958.5A patent/CN113062339B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011006960A (en) * | 2009-06-26 | 2011-01-13 | Tanigaki Kenko:Kk | Earth retaining structure |
CN103422680A (en) * | 2012-05-16 | 2013-12-04 | 孟凡辉 | Electrified pole and tower righting device and operation method thereof |
CN105274922A (en) * | 2015-09-11 | 2016-01-27 | 重庆大学 | Anti-slide tie-steel pipe pile composite structure for repairing cave-in roadbed and method |
CN209741793U (en) * | 2018-01-15 | 2019-12-06 | 青岛广能橡胶制造有限公司 | Novel oil containment boom |
KR20200006329A (en) * | 2018-07-10 | 2020-01-20 | 대경지반기술(주) | Reinforcing structure of block type retaining wall and construction method thereof |
CN108677991A (en) * | 2018-07-26 | 2018-10-19 | 山东大学 | A kind of suction type combination foundation structure and construction method being suitable for easily liquefaction stratum |
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