CN111218923A - Height-adjustable assembly type offshore measuring platform and installation method thereof - Google Patents
Height-adjustable assembly type offshore measuring platform and installation method thereof Download PDFInfo
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- CN111218923A CN111218923A CN202010100727.2A CN202010100727A CN111218923A CN 111218923 A CN111218923 A CN 111218923A CN 202010100727 A CN202010100727 A CN 202010100727A CN 111218923 A CN111218923 A CN 111218923A
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- protective cylinder
- platform panel
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- 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
- E02B17/0017—Means for protecting offshore constructions
- E02B17/003—Fenders
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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
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- 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
- E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
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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
- E02B2017/0039—Methods for placing the offshore structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Foundations (AREA)
Abstract
An assembly type offshore measuring platform with adjustable height and an installation method thereof comprise a platform panel, wherein the bottom of the platform panel is provided with a latticed support frame formed by cross fixing of section steel, and the bottom of the support frame is fixedly provided with a continuous overlapped standard lattice support; the standard grid supports are hexahedral frames, adjacent standard grid supports are fixedly connected with each other through flange plates at the end parts of the support legs at the four ends of each support, and the bottom parts of the support legs of the standard grid support at the bottommost side are all connected with support columns in a flange mode; guide plates are fixedly arranged at the bottom ends of the support columns; two guiding holes are at least formed in the outer side of the connecting point of the supporting column and the guiding plate of the guiding plate, and fixing piles are arranged on the guiding holes. The invention aims to provide an adjustable-height fabricated offshore measuring platform which is high in stability, applicable to different water depths, easy to recycle in the later period, capable of resisting offshore wind waves and an installation method thereof.
Description
Technical Field
The invention relates to the technical field of offshore engineering construction, in particular to a height-adjustable assembly type offshore measuring platform and an installation method thereof.
Background
In the offshore engineering construction, how to accurately position in the sea far away from the shore is the key to smooth and accurate construction of the bridge. At present, offshore construction control on sea generally adopts a mode of piling in sea and setting an observation platform as a measurement relay point or a GPS mode to carry out offshore measurement positioning. The method for setting the measuring platform can effectively introduce the base point on land into the sea, the prior known overwater platform construction generally adopts a pile driving boat to carry out pipe pile construction, and meanwhile, the platform is set up at the part of the pile structure exposed out of the water surface. The platform erected by the method is a vertical pile foundation in the underwater part, and the stability is relatively poor. If will add transverse connection under water, then can need a large amount of manual works to weld under water, the pile foundation of driving into often needs to lengthen because of the factor of depth of water, and the pile foundation that the on-the-spot extension is being executed and is beating the atress performance of in-process and be difficult for guaranteeing, and the pile foundation of beating and establishing retrieves the difficulty, and reuse rate is low, is unfavorable for carrying out the material turnover in the construction. And the offshore platform is exposed in the sea, and is very sensitive to the response of factors such as wind, waves, tides, ship impact, biological impact and the like, and the measurement result in the construction process can be influenced finally.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an adjustable-height fabricated offshore measuring platform and an installation method thereof, wherein the assembled offshore measuring platform has high stability, is suitable for different water depths, is easy to recycle in the later period, and can resist offshore wind waves.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a height-adjustable assembly type offshore measuring platform comprises a platform panel, wherein a latticed supporting frame formed by cross fixing of section steel is arranged at the bottom of the platform panel, and a continuous overlapped standard grid support is fixedly arranged at the bottom of the supporting frame; the standard grid supports are hexahedral frames, adjacent standard grid supports are fixedly connected with each other through flange plates at the end parts of the support legs at the four ends of each support, and the bottom parts of the support legs of the standard grid support at the bottommost side are all connected with support columns in a flange mode; guide plates are fixedly arranged at the bottom ends of the support columns; two guiding holes are at least formed in the outer side of the connecting point of the supporting column and the guiding plate of the guiding plate, and fixing piles are arranged on the guiding holes.
Further, standard check support dustcoat has the top to be located the protective cylinder of platform panel downside, the fixed bank protection that is provided with the downward sloping in outer wall bottom of protective cylinder, the circle area of protective cylinder is greater than the platform panel.
Furthermore, each frame surface of the standard lattice support is provided with a crossed structural beam.
Further, railing is all installed around the deck plate, and simple and easy room has been set up to the deck plate up end.
Further, the platform panel is made of steel plates or precast concrete plates.
The method also comprises a method for installing the height-adjustable fabricated offshore measuring platform, and comprises the following steps:
(1) continuously stacking a sufficient number of standard lattice supports to enable the top side of the stacked supports to be higher than the highest sea surface tide level by at least 3 m;
(2) mounting a support column and a guide plate at the bottom of each support leg of the standard lattice support at the bottommost side;
(3) hoisting the stacked standard lattice support into the sea until the guide plate is positioned on the sea floor;
(4) setting a fixed pile in each guide hole of the guide plate, and inserting and driving the fixed pile into the sea floor;
(5) hoisting the protective cylinder from the upper part of the fixed support to the outside of the stacked and fixed support, enabling the support to be located at the central position of the protective cylinder, driving the bottom of the protective cylinder into a seabed soil layer, and fixedly installing a protective slope at the bottom of the protective cylinder;
(6) and after the guardrail and the simple house are arranged on the platform panel to form the measuring platform, the measuring platform is hoisted to the top surface of the support and is fixed.
Compared with the prior art, the invention has the following beneficial effects:
the invention can realize factory prefabrication and field assembly to the maximum extent, and reduce the time and procedures of field assembly. The height of the platform can be adjusted according to the water depth by adding and subtracting the number of the stacked standard grid supports, the underwater part can be positioned by directly inserting and driving the fixing piles in the guide plates, the construction process is simple, and the influence from the outside is small. Besides, the platform panel is provided with a simple room for offshore measurement, and other equipment can be erected for functional modification according to different working conditions. The outside protection section of thick bamboo that surrounds standard check support of platform can furthest reduce the impact of wave to the standard check support after the closed assembly, makes and realizes still water in the protection section of thick bamboo, stops the wave completely to the direct impact of platform, can provide accurate measuring data in the work progress, and the stability of a protection section of thick bamboo in the sea still can be guaranteed to the bank protection of protection bobbin base portion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the stacked standard cell supports of the present invention;
FIG. 3 is a schematic diagram of a standard cell support according to the present invention;
FIG. 4 is a schematic view of the structure of the guide plate according to the present invention;
FIG. 5 is a schematic structural diagram of a platform panel according to the present invention.
Description of reference numerals:
1-standard lattice support, 2-flange plate, 3-platform panel, 4-supporting leg, 5-supporting column, 6-guide plate, 7-guide hole, 8-fixing pile, 9-supporting frame, 10-structural beam, 11-rail, 12-simple house, 13-protective cylinder and 14-revetment.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, the height-adjustable fabricated offshore measuring platform comprises a platform panel 3, wherein a latticed support frame 9 formed by cross welding and fixing section steels is arranged at the bottom of the platform panel 3, and a continuous overlapped standard lattice support 1 is fixedly arranged at the bottom of the support frame 9; the standard lattice support 1 is a hexahedral frame formed by steel pipes, adjacent standard lattice supports 1 are fixedly connected with each other through flange plates 2 at the end parts of support legs 4 at four ends of each support, and the bottoms of the support legs 4 of the standard lattice support 1 at the bottommost side are all connected with support columns 5 in a flange mode; the bottom ends of the supporting columns 5 are fixedly provided with guide plates 6; the guide plates 6 are at least provided with two guide holes 7 at the outer sides of the connection points of the support columns 5 and the guide plates 6, and each guide hole 7 is provided with a fixed pile 8; 1 dustcoat of standard check support has the top to be located 3 downside of platform panel, and the cross-sectional circle area is greater than a protection section of thick bamboo 13 of standard check support 1, and the fixed bank protection 14 that is provided with the downward sloping in outer wall bottom of a protection section of thick bamboo 13: each frame surface of the standard lattice support 1 is provided with a crossed structural beam 10; railing 11 is all installed around platform panel 3, and simple and easy room 12 has been set up to platform panel 3 up end.
The installation construction of the invention comprises the following steps:
(1) connecting and assembling the standard lattice supports 1 in sufficient quantity according to the water depth of an installation site, so that the top side of the stacked supports is higher than the highest sea surface tide level by at least 3 m;
(2) mounting a support column 5 and a guide plate 6 at the bottom of the support leg 4 of the standard lattice support 1 at the bottommost side;
(3) and (3) paving the seabed plane at the installation position, and hoisting the assembled standard lattice support 1 into the sea by using a floating crane to enable the guide plate 6 to be in contact with the seabed plane. In order to stabilize the structure of the support column 5 during piling, when two guide holes 7 are formed in the guide plate 6, the support column 5 and the two guide holes 7 are distributed in a triangular shape; when the number of the guide holes 7 on the guide plate 6 is three, the support columns 5 and the three guide holes 7 are distributed in a rectangular shape, in the embodiment, the support columns 5 are all connected to one end, facing the platform panel 3, of the guide plate 6, and the guide holes 7 are formed in the other three ends of the guide plate 6 and are distributed in a rectangular shape with the support columns 5;
(4) a pile driving boat is adopted to place a fixed pile 8 in a guide hole 7 of a guide plate 6, and the fixed pile 8 is inserted and driven into the sea floor;
(5) prefabricating a protective cylinder 13 with the height lower than the top side of the support and the circular area larger than that of the platform panel 3, sleeving the protective cylinder 13 outside the stacked and fixed standard lattice support 1 by using a floating crane, enabling the bottom surface of the protective cylinder 13 to be in contact with the seabed, and driving the bottom of the protective cylinder 13 into a seabed soil layer by using a vibration-sinking ship;
(6) a protection slope 14 which is downwards inclined from the outer wall of the bottom of the protection cylinder 13 is fixedly arranged outside the protection cylinder 13;
(7) and a measuring platform consisting of the railings 11 and the simple house 12 which are installed on the platform panel 3 is hoisted to the top surface of the standard grid support 1 by adopting a floating crane and is fixed with the standard grid support 1.
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 an adjustable height's marine survey platform of assembled, includes the platform panel, its characterized in that: the bottom of the platform panel is provided with a latticed support frame formed by cross fixing of section steel, and the bottom of the support frame is fixedly provided with a continuous overlapped standard grid support; the standard grid supports are hexahedral frames, adjacent standard grid supports are fixedly connected with each other through flange plates at the end parts of the support legs at the four ends of each support, and the bottom parts of the support legs of the standard grid support at the bottommost side are all connected with support columns in a flange mode; guide plates are fixedly arranged at the bottom ends of the support columns; two guiding holes are at least formed in the outer side of the connecting point of the supporting column and the guiding plate of the guiding plate, and fixing piles are arranged on the guiding holes.
2. The adjustable height, fabricated offshore measurement platform of claim 1, wherein: the standard grid support outer cover has the top to be located the protective cylinder of platform panel downside, the fixed bank protection that is provided with the downward sloping in outer wall bottom of protective cylinder, the circle area of protective cylinder is greater than the platform panel.
3. The adjustable height, fabricated offshore measurement platform of claim 2, wherein: and each frame surface of the standard lattice support is provided with a crossed structural beam.
4. The adjustable height, fabricated offshore measurement platform of claim 1, wherein: railing is all installed around the platform panel, and the simple and easy room has been set up to the platform panel up end.
5. The adjustable height, fabricated offshore measurement platform of claim 4, wherein: the platform panel is composed of a steel plate or a precast concrete plate.
6. A mounting method of a height-adjustable fabricated offshore measuring platform is characterized in that: the method comprises the following steps:
(1) continuously stacking a sufficient number of standard lattice supports to enable the top side of the stacked supports to be higher than the highest sea surface tide level by at least 3 m;
(2) mounting a support column and a guide plate at the bottom of each support leg of the standard lattice support at the bottommost side;
(3) hoisting the stacked standard lattice support into the sea until the guide plate is positioned on the sea floor;
(4) setting a fixed pile in each guide hole of the guide plate, and inserting and driving the fixed pile into the sea floor;
(5) hoisting the protective cylinder from the upper part of the fixed support to the outside of the stacked and fixed support, enabling the support to be located at the central position of the protective cylinder, driving the bottom of the protective cylinder into a seabed soil layer, and fixedly installing a protective slope at the bottom of the protective cylinder;
(6) and after the guardrail and the simple house are arranged on the platform panel to form the measuring platform, the measuring platform is hoisted to the top surface of the support and is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100727.2A CN111218923A (en) | 2020-02-18 | 2020-02-18 | Height-adjustable assembly type offshore measuring platform and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100727.2A CN111218923A (en) | 2020-02-18 | 2020-02-18 | Height-adjustable assembly type offshore measuring platform and installation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111218923A true CN111218923A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010100727.2A Pending CN111218923A (en) | 2020-02-18 | 2020-02-18 | Height-adjustable assembly type offshore measuring platform and installation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA676299A (en) * | 1963-12-17 | C. Pogonowski Ivo | Offshore platform structure | |
| CN101581091A (en) * | 2009-06-08 | 2009-11-18 | 中国海洋石油总公司 | Offshore platform top facility and installation method thereof |
| CN202767094U (en) * | 2012-10-09 | 2013-03-06 | 国电联合动力技术有限公司 | Skirt pile foundation for offshore wind turbines |
| CN105350560A (en) * | 2015-09-30 | 2016-02-24 | 天津大学 | Marine wind-finding radar foundation structure and installation method thereof |
| CN106948367A (en) * | 2017-04-19 | 2017-07-14 | 合肥学院 | A kind of corner sleeve column jacket assembling wind power foundation and its construction method |
| CN208219598U (en) * | 2018-04-10 | 2018-12-11 | 王世加 | A kind of assembled offshore pile scour protection device |
| CN211898279U (en) * | 2020-02-18 | 2020-11-10 | 中国建筑第六工程局有限公司 | Height-adjustable assembled offshore measuring platform |
-
2020
- 2020-02-18 CN CN202010100727.2A patent/CN111218923A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA676299A (en) * | 1963-12-17 | C. Pogonowski Ivo | Offshore platform structure | |
| CN101581091A (en) * | 2009-06-08 | 2009-11-18 | 中国海洋石油总公司 | Offshore platform top facility and installation method thereof |
| CN202767094U (en) * | 2012-10-09 | 2013-03-06 | 国电联合动力技术有限公司 | Skirt pile foundation for offshore wind turbines |
| CN105350560A (en) * | 2015-09-30 | 2016-02-24 | 天津大学 | Marine wind-finding radar foundation structure and installation method thereof |
| CN106948367A (en) * | 2017-04-19 | 2017-07-14 | 合肥学院 | A kind of corner sleeve column jacket assembling wind power foundation and its construction method |
| CN208219598U (en) * | 2018-04-10 | 2018-12-11 | 王世加 | A kind of assembled offshore pile scour protection device |
| CN211898279U (en) * | 2020-02-18 | 2020-11-10 | 中国建筑第六工程局有限公司 | Height-adjustable assembled offshore measuring platform |
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