CN106948366B - Barrel-shaped foundation and auxiliary assembly convenient for controlling verticality and construction method - Google Patents
Barrel-shaped foundation and auxiliary assembly convenient for controlling verticality and construction method Download PDFInfo
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- CN106948366B CN106948366B CN201710257792.4A CN201710257792A CN106948366B CN 106948366 B CN106948366 B CN 106948366B CN 201710257792 A CN201710257792 A CN 201710257792A CN 106948366 B CN106948366 B CN 106948366B
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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
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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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
Abstract
The invention discloses a barrel-shaped foundation and an auxiliary component convenient for controlling verticality and a construction method, wherein the barrel-shaped foundation comprises a barrel-shaped foundation body which is an inverted barrel body, three positioning sleeves which are uniformly distributed along a ring shape and penetrate through a top plate of the barrel body are arranged on the inner wall of the barrel body, and a water inlet and outlet valve connected with a water pumping system is arranged on the upper end surface of the barrel body; the auxiliary assembly comprises a triangular locating rack and three locating steel piles vertically driven into the seabed by using the triangular locating rack; the barrel-shaped foundation is movably sleeved on the three positioning steel piles, and the barrel body is immersed into the sea to contact the seabed and is penetrated to the designed depth. According to the invention, the problem of perpendicularity in the penetration process of the barrel-shaped foundation is converted into the problem of perpendicularity of the positioning steel pile, so that the perpendicularity of the barrel-shaped foundation automatically meets the requirement as long as the perpendicularity of the positioning steel pile meets the requirement, and subsequent leveling and correction are not needed, so that the construction process of the barrel-shaped foundation is greatly simplified, the construction difficulty is greatly reduced, the offshore operation time is shortened, and the construction cost is reduced.
Description
Technical field:
the invention relates to an ocean platform and an offshore wind turbine foundation, in particular to a suction type barrel-shaped foundation, and especially relates to a barrel-shaped foundation, an auxiliary assembly and a construction method, wherein the barrel-shaped foundation is convenient to control verticality.
The background technology is as follows:
the barrel-shaped foundation is produced in Norway of nineties of the twentieth century, is a skirted circular plate foundation, and is gradually applied to ocean platforms and offshore wind turbine foundations due to the characteristics of reducing engineering quantity, saving investment, shortening offshore construction time, being reusable and the like.
The barrel-shaped foundation needs to be vertically penetrated in the penetration process, if inclination is generated to a certain extent, the barrel-shaped foundation needs to be kept in a vertical state through leveling, otherwise, the use function of the barrel-shaped foundation is affected. Reference [1] describes the construction of the barrel-shaped foundation of a certain oil field in the Bohai sea area, and the barrel-shaped foundation is inclined, and the barrel wall is excessively deformed, cracked and severely blocked in the construction process, so that the construction of the barrel-shaped foundation ends up failing. Therefore, how to effectively control and maintain the perpendicularity of the barrel-shaped foundation in the sinking process is one of key technologies in the construction process of the barrel-shaped foundation.
In particular, the configuration of the barrel foundation is increasingly diversified. For example, chinese patent publication No. CN205742258U, CN205857222U, CN205444224U, CN204940320U, CN205188994U, CN204626445U discloses various novel barrel-shaped foundation configurations, and the designs enrich the functions of the barrel-shaped foundation, but increase the penetration construction difficulty of the barrel-shaped foundation to a certain extent. The existing barrel-shaped foundation has less convenience and feasibility consideration on the construction process.
If a plurality of auxiliary structures which are convenient to construct are added on the structure of the barrel-shaped foundation, the penetration perpendicularity of the barrel-shaped foundation is ensured, the offshore construction time is shortened, the construction difficulty and the construction cost of the barrel-shaped foundation can be greatly reduced, and the application of the barrel-shaped foundation in engineering is promoted. It is necessary to investigate the barrel-shaped foundation configuration suitable for offshore construction, and promote the innovation and progress of the existing barrel-shaped foundation construction technology.
Reference is made to: [1] zhangfei analysis of the case of failure of the installation of a barrel foundation [ J ]. Shipbuilding techniques, 2014, 6:16-19.
The invention comprises the following steps:
in order to overcome the defects of the prior art, the invention aims to provide a barrel-shaped foundation, an auxiliary assembly and a construction method, wherein the verticality of the barrel-shaped foundation is convenient to control, three positioning sleeves are uniformly arranged on the barrel-shaped foundation, the barrel-shaped foundation can be guided to vertically penetrate the seabed, and the sinking construction is convenient.
The technical scheme of the invention is as follows:
the barrel-shaped foundation is characterized by comprising a barrel-shaped foundation, wherein a barrel-shaped foundation main body is an inverted barrel body, three positioning sleeves which are uniformly distributed along a ring shape and penetrate through a top plate of the barrel body are arranged on the inner wall of the barrel body, and a water inlet and outlet valve connected with a water pumping system is arranged on the upper end surface of the barrel body;
the auxiliary assembly comprises a triangular locating rack and three locating steel piles vertically driven into the seabed by using the triangular locating rack;
the barrel-shaped foundation is movably sleeved on the three positioning steel piles, and the barrel body is immersed into the sea to contact the seabed and is penetrated to the designed depth.
Barrel form basis and auxiliary assembly convenient to control straightness that hangs down, its characterized in that, barrel inner wall welding three every two press from both sides 120 locating sleeve, locating sleeve's upper portion exceeds the barrel roof, locating sleeve's lower port is the cutting edge form that points to barrel wall, barrel up end still is equipped with the business turn over water valve that is connected with pumping system.
The barrel-shaped foundation and the auxiliary assembly are convenient to control verticality, and are characterized in that the triangular locating frame is formed by welding three sleeves with steel pipes, two reinforcement ribs are arranged at each welding position up and down, and the center distance between the sleeves is equal to the center distance between three locating sleeves on the barrel body.
The barrel-shaped foundation and the auxiliary assembly which are convenient for controlling verticality are characterized in that the positioning steel pile is formed by sequentially connecting and assembling a positioning steel pile bottom section and a plurality of positioning steel pile standard sections from bottom to top, the lower end of the positioning steel pile bottom section is provided with a conical pile tip, and the upper end of the positioning steel pile bottom section is provided with a threaded connecting hole;
one end of the standard section of the positioning steel pile is provided with a threaded tenon, the other end of the standard section of the positioning steel pile is also provided with a threaded connecting hole, the threaded tenons are matched with the threaded connecting holes, and the mutual fixation and connection are realized by screwing the threaded tenons of the standard section of the positioning steel pile into the threaded connecting holes of the bottom section or other standard sections.
Barrel foundation and auxiliary assembly convenient to control straightness that hangs down, its characterized in that, staving on the position sleeve's internal diameter equal with the sleeve internal diameter on the triangle-shaped locating rack, both internal diameters are greater than location steel pile external diameter 1~2cm.
The construction method of the barrel-shaped foundation and the auxiliary assembly for controlling verticality is characterized by comprising the following steps of:
1) Driving a first positioning steel pile:
according to design parameters, screwing the screw tenons into screw connection holes, mutually assembling a positioning steel pile bottom section and a plurality of positioning steel pile standard sections to form a positioning steel pile, and vertically driving a first positioning steel pile in a designed sea area;
2) Driving other two positioning steel piles:
sleeving a sleeve of the triangular positioning frame on the first positioning steel pile, driving the other two positioning steel piles into the seabed in sequence based on the limiting and positioning actions of the other two sleeves, and finally enabling the parameters such as the center distance, the plumb degree, the soil penetration depth and the like of the three positioning steel piles to meet the design requirements;
3) Sleeving a barrel-shaped foundation:
taking out the triangular positioning frame from the three positioning steel piles, lifting the barrel body to enable the three positioning sleeves to cover the three positioning steel piles and gradually sink, sleeving the triangular positioning frame on the three positioning steel piles after the positioning steel piles are exposed out of the top surface of the barrel body, and enabling the barrel body to slowly sink into the sea along the positioning steel piles until contacting the seabed;
4) The barrel foundation penetrates the seabed:
a water pumping system connected with a water inlet valve and a water outlet valve of the barrel body is opened to extract negative pressure, so that the barrel body penetrates into the seabed to a designed depth along the positioning steel pile under the action of dead weight and the negative pressure;
5) Removing part of the positioning steel pile:
and taking out the triangular locating frames from the three locating steel piles, and rotating, screwing out and removing the locating steel pile standard sections above the top surface of the barrel body one by one, so that the locating steel piles below the top surface of the barrel body continue to remain, and thus the foundation penetration construction of the barrel body is completed.
The beneficial effects of the invention are as follows:
1. according to the invention, the three vertical and hollow positioning sleeve holes are arranged on the inner wall of the barrel body, the size of the positioning sleeve holes is smaller, the auxiliary structure does not obviously increase the manufacturing difficulty and penetration difficulty of the barrel-shaped foundation, and the barrel-shaped foundation has economy and practicability;
2. according to the invention, the problem of perpendicularity in the penetration process of the barrel-shaped foundation is converted into the problem of perpendicularity of the positioning steel piles, and as long as the perpendicularity of three positioning steel piles meets the requirement, the perpendicularity of the barrel-shaped foundation automatically meets the requirement, and subsequent leveling and correction are not needed; the verticality of the positioning steel pile is easy to realize, so that the construction difficulty of the barrel-shaped foundation is reduced as a whole;
3. after the construction of the barrel-shaped foundation is finished, the positioning steel piles below the top surface of the barrel-shaped foundation are kept, the positioning steel piles can continuously position and limit the barrel-shaped foundation, the perpendicularity of the barrel-shaped foundation in the subsequent use process is ensured, and the method is obviously beneficial to engineering.
Description of the drawings:
fig. 1 is a top view of a barrel-shaped base of the present invention.
Fig. 2 is a bottom view of the barrel foundation of the present invention.
Fig. 3 is a cross-sectional view of a barrel-shaped base of the present invention.
Fig. 4 is a schematic view of the positioning steel pile fitting and assembly of the present invention.
Fig. 5 is a schematic view of a triangular positioning frame according to the present invention.
Fig. 6 is a schematic view of a first positioning steel pile constructed according to the present invention.
Fig. 7 is a schematic diagram showing the construction of three positioning steel piles according to the present invention.
FIG. 8 is a schematic view of a barrel foundation of the present invention nested into three locating steel piles.
FIG. 9 is a schematic view of the barrel foundation penetration seabed of the present invention.
FIG. 10 is a schematic diagram of the barrel foundation of the present invention after construction.
Reference numerals illustrate: 1. a tub body; 2. a water inlet and outlet valve; 3. positioning the sleeve; 4. positioning a steel pile bottom section; 5. conical pile tip; 6. a threaded connection hole; 7. positioning a steel pile standard section; 8. a threaded tenon; 9. a triangular positioning frame; 10. a sleeve; 11. rib adding; A. sea level; B. sea bed surface.
The specific embodiment is as follows:
referring to the drawings:
the utility model provides a barrel form basis and auxiliary assembly convenient to control straightness, including staving 1 and locating sleeve 3, at the inner wall symmetry of barrel form basis staving 1, three locating sleeve 3 of even welding, establish three vertical locating steel piles in advance based on the triangle-shaped locating rack 9 during the construction, the three locating sleeve 3 of barrel form basis is overlapped three locating steel piles and is sunk into the sea and contact the seabed, the effect of pressure difference inside and outside dead weight and the bucket is under with barrel form basis penetration seabed to the design degree of depth, the straightness of whole process barrel form basis can satisfy voluntarily, constitute the novel barrel form basis of being convenient for the construction from this.
The inner wall of the barrel-shaped foundation barrel body 1 is symmetrically and uniformly welded with three positioning sleeves 3, the upper parts of the positioning sleeves 3 penetrate through and are higher than the barrel-shaped foundation top plate, and the lower parts of the positioning sleeves 3 are in a blade shape pointing to the barrel wall, so that the barrel-shaped foundation is conveniently sunk, as shown in fig. 1 and 2.
The connecting lines of the three positioning sleeves 3 on the barrel body 1 and the central shaft are mutually formed into 120 degrees, as shown in fig. 3: the positioning sleeve 3 is welded with the inner wall of the barrel body, and the lower part of the positioning sleeve is in a blade shape, so that the penetration resistance can be reduced, and the construction is convenient. The top of the positioning sleeve 3 is higher than the top plate of the barrel-shaped foundation, and has no influence on the sealing performance inside the barrel body. Three positioning sleeve pipes 3 are designed to make the overall stability of the following three positioning steel piles meet the construction requirement by utilizing the stability of the triangle.
The positioning steel pile is formed by assembling a positioning steel pile bottom section 4 and a plurality of positioning steel pile standard sections 7, one end of the positioning steel pile bottom section 4 is a conical pile tip 5, the other end of the positioning steel pile bottom section 4 is a hollow section with built-in threads 6 inside, one end of the positioning steel pile standard section 7 is a threaded tenon 8, the other end of the positioning steel pile standard section 7 is a hollow section with built-in threads 6 inside, the threaded tenon 8 and the built-in threads 6 are mutually matched, and mutual fixation and connection are realized by screwing the threaded tenon 8 of the positioning steel pile standard section 7 into the built-in threads 6 of the bottom section 4 or other standard sections 7, as shown in fig. 4.
The length of the positioning steel pile bottom section 4 is generally the same as that of the positioning steel pile standard section 7. The positioning steel pile standard section 7 can be manufactured in a standardized, normalized and large-scale manner, and meets the requirements of different depths under different conditions. The extension and the continuous connection of the positioning steel pile are realized through the mutual screwing connection of the screw tenon 8 and the built-in screw 6.
The positioning steel pile mainly has the function of guiding the barrel-shaped foundation to vertically penetrate into the seabed, and the horizontal load and the vertical load born by the positioning steel pile in the construction process are smaller, so that the section size of the positioning steel pile is not required to be too large, and the positioning steel pile can maintain the perpendicularity of the barrel-shaped foundation. Although called as a "positioning steel pile", it actually belongs to a "positioning steel bar". Preferably, the outer diameter of the positioning steel pile is 10-25 cm.
The triangular positioning frame 9 is formed by mutually welding three sleeves 10 by using steel pipes, two reinforcement ribs 11 are arranged at each welding position up and down, and the center distance between the sleeves 10 is equal to the center distance between the three positioning sleeves 3 on the barrel body 1, as shown in fig. 5. The hollow inner diameter of the positioning sleeve 3 on the barrel body 1 is equal to the inner diameter of the sleeve 10 on the triangular positioning frame 9, and the hollow inner diameter of the positioning sleeve 3 on the barrel body 1 is larger than the outer diameter of the positioning steel pile by 1-2 cm.
The triangular positioning frame 9 has the function of accurately positioning and limiting the positions of three positioning steel piles, so that the three positioning steel piles are vertically inserted into the seabed, and the distance between the central shafts of the three positioning steel piles is the distance between the central shafts of the three positioning sleeves 3 on the barrel body 1.
In fact, a plurality of triangular locating frames 9 can be used according to the requirements in the construction process to conduct locating constraint on three locating steel piles at different positions, and the perpendicularity and the position accuracy of the locating steel piles are guaranteed. Only if the perpendicularity and the spacing of three positioning steel piles meet the requirements, the perpendicularity of the subsequent barrel-shaped foundation can be ensured to meet the requirements. The positioning steel pile has enough strength and rigidity, and can maintain the plumb characteristic of the barrel-shaped foundation in the construction process.
Therefore, the technology converts the perpendicularity requirement of the barrel-shaped foundation into the perpendicularity requirement of the positioning steel pile, and the construction experience of various steel piles is rich, so that the perpendicularity of the positioning steel pile is easy to realize, and the aim of reducing the construction difficulty of the barrel-shaped foundation is fulfilled.
The hollow inner diameter of the positioning sleeve 3 is larger than the outer diameter of the positioning steel pile by 1-2 cm, so that the barrel-shaped foundation can be sleeved on the positioning steel pile and smoothly slide into the seabed. In order to reduce mutual friction, it is even possible to apply lubricant on the inner wall of the positioning sleeve 3 and on the outer wall of the positioning steel pile.
A construction method of barrel-shaped foundation and auxiliary assembly for controlling verticality is provided, which is described in detail as follows:
1) Driving a first positioning steel pile:
according to design parameters, the built-in screw thread 6 is screwed in through the screw thread tenons 8, and the positioning steel pile is formed by mutually assembling the positioning steel pile bottom section 4 and the positioning steel pile standard sections 7. A first set of dowel steel piles is driven vertically in the designated sea area, as shown in fig. 6.
The parameters such as the plumb degree, the depth of penetration and the like of the positioning steel pile meet the design requirements. Generally, the penetration depth of the positioning steel pile should be greater than the penetration depth of the barrel foundation.
2) Driving other two positioning steel piles:
one sleeve 10 of the triangular positioning frame 9 is sleeved on the first positioning steel pile which is already driven, then the other two positioning steel piles are driven into the seabed in sequence based on the limiting and positioning actions of the other two sleeves 10, and finally the parameters such as the center distance, the plumb degree, the soil penetration depth and the like of the three positioning steel piles are enabled to meet the design requirements, as shown in fig. 7.
The sinking and penetrating posture of the barrel-shaped foundation depends on the guiding and restraining of the positioning steel pile, so that the positioning steel pile can resist various loads in the construction process without lateral movement and inclination, the strength of each component can bear the combined load effect under the complex working condition without buckling and deformation, and the plumb state can be maintained.
3) Sleeving a barrel-shaped foundation:
and taking out the triangular positioning frame 9 from the three positioning steel piles, lifting the barrel-shaped foundation to enable the three positioning sleeve pipes 3 to cover the three positioning steel piles and gradually sink, covering the triangular positioning frame 9 on the three positioning steel piles after the positioning steel piles are exposed out of the top surface of the barrel-shaped foundation, and enabling the barrel-shaped foundation to slowly sink into the sea along the positioning steel piles until contacting the seabed, as shown in fig. 8.
The triangular locating frames 9 are sleeved on the three locating steel piles in time, so that the verticality of the locating steel piles is maintained, the three locating steel piles are assembled together to be higher in overall rigidity, and the situation that the individual locating steel piles are inclined due to local load in the process is avoided.
4) The barrel foundation penetrates the seabed:
the pumping system connected with the barrel-shaped foundation water inlet and outlet valve 2 is opened to pump negative pressure, so that the barrel-shaped foundation penetrates into the seabed to the designed depth along the positioning steel pile under the action of dead weight and negative pressure, as shown in fig. 9.
Under the condition that the perpendicularity of the three positioning steel piles meets the requirement, the barrel-shaped foundation penetrates into the seabed along the three positioning steel piles, the perpendicularity automatically meets the requirement, and leveling and repeated checking are not needed in the construction process. The construction process is greatly simplified, the construction difficulty is greatly reduced, and the offshore operation time is shortened, so that the construction cost is reduced.
5) Removing part of the positioning steel pile:
and taking out the triangular positioning frames 9 from the three positioning steel piles, rotating, screwing out and removing the positioning steel pile standard sections 7 above the top surface of the barrel-shaped foundation one by one, and keeping the positioning steel piles below the top surface of the barrel-shaped foundation, so that the sinking construction of the barrel-shaped foundation is completed, as shown in fig. 10.
After the barrel-shaped foundation is submerged and positioned, the positioning steel pile which is higher than the top surface of the barrel-shaped foundation influences the subsequent construction and the channel of the area, so the barrel-shaped foundation needs to be removed; in the design process of the positioning steel pile, the subsequent removal and removal needs are considered, and the removal of the standard section 7 of the positioning steel pile is realized by reversely screwing out the built-in screw thread 6 through the screw tenon 8. However, the positioning steel pile below the top surface of the barrel-shaped foundation does not need to be removed, the subsequent construction is not affected, and the retaining of the section is beneficial to maintaining the perpendicularity of the barrel-shaped foundation in the subsequent working process.
According to the invention, the three vertical positioning sleeves are arranged on the inner wall of the barrel body, the positioning sleeves are small in size, the auxiliary structure does not obviously increase the manufacturing difficulty and penetration difficulty of the barrel-shaped foundation, and the barrel-shaped foundation has economy and practicability; the problem of perpendicularity in the penetration process of the barrel-shaped foundation is converted into the problem of perpendicularity of the positioning steel piles, and as long as the perpendicularity of three positioning steel piles meets the requirement, the perpendicularity of the barrel-shaped foundation automatically meets the requirement, and subsequent leveling and correction are not needed; the perpendicularity of the positioning steel pile is easy to realize, so that the construction difficulty of the barrel-shaped foundation is reduced as a whole.
The present invention is not limited to the above-described embodiments, and according to the above-described matters, the present invention may be modified, replaced or altered in various equivalent ways without departing from the basic technical spirit of the present invention, all of which fall within the scope of the present invention, according to the general technical knowledge and conventional means in the art.
Claims (2)
1. The offshore wind turbine foundation comprises a barrel-shaped foundation body and an auxiliary assembly, and is characterized in that the barrel-shaped foundation body is an inverted barrel body, three positioning sleeves which are uniformly distributed along the ring shape and penetrate through a top plate of the barrel body are arranged on the inner wall of the barrel body, and water inlet and outlet valves connected with a water pumping system are arranged on the upper end face of the barrel body; the auxiliary assembly comprises a triangular locating rack and three locating steel piles vertically driven into the seabed by using the triangular locating rack; the barrel-shaped foundation is movably sleeved on the three positioning steel piles, and the barrel body is immersed into the sea to contact the seabed and is penetrated to the designed depth;
three positioning sleeves which are clamped by 120 degrees are welded on the inner wall of the barrel body, the upper parts of the positioning sleeves are higher than the top plate of the barrel body, the lower ports of the positioning sleeves are in a blade shape pointing to the barrel wall, and the upper end face of the barrel body is also provided with a water inlet and outlet valve connected with a water pumping system;
the triangular locating rack is formed by mutually welding three sleeves by using steel pipes, two reinforcing ribs are arranged at each welding position up and down, and the center distance between the sleeves is equal to the center distance between the three locating sleeves on the barrel body;
the positioning steel pile is formed by sequentially connecting and assembling a positioning steel pile bottom section and a plurality of positioning steel pile standard sections from bottom to top, the lower end of the positioning steel pile bottom section is provided with a conical pile tip, and the upper end of the positioning steel pile bottom section is provided with a threaded connecting hole; one end of the standard section of the positioning steel pile is provided with a threaded tenon, the other end of the standard section of the positioning steel pile is also provided with a threaded connecting hole, the threaded tenons are matched with the threaded connecting holes, and the threaded tenons of the standard section of the positioning steel pile are screwed into the threaded connecting holes of the bottom section or other standard sections to realize mutual fixation and connection;
the inner diameter of the locating sleeve on the barrel body is equal to that of the sleeve on the triangular locating frame, and the inner diameter of the locating sleeve is 1-2 cm greater than that of the locating steel pile.
2. A construction method of an offshore wind turbine foundation for facilitating control of verticality according to claim 1, comprising the steps of:
1) Driving a first positioning steel pile: according to design parameters, screwing the screw tenons into screw connection holes, mutually assembling a positioning steel pile bottom section and a plurality of positioning steel pile standard sections to form a positioning steel pile, and vertically driving a first positioning steel pile in a designed sea area;
2) Driving other two positioning steel piles: sleeving a sleeve of the triangular positioning frame on the first positioning steel pile, driving the other two positioning steel piles into the seabed in sequence based on the limiting and positioning actions of the other two sleeves, and finally enabling the center distance, the plumb degree and the soil penetration depth of the three positioning steel piles to meet the design requirements;
3) Sleeving a barrel-shaped foundation: taking out the triangular positioning frame from the three positioning steel piles, lifting the barrel body to enable the three positioning sleeves to cover the three positioning steel piles and gradually sink, sleeving the triangular positioning frame on the three positioning steel piles after the positioning steel piles are exposed out of the top surface of the barrel body, and enabling the barrel body to slowly sink into the sea along the positioning steel piles until contacting the seabed;
4) The barrel foundation penetrates the seabed: a water pumping system connected with a water inlet valve and a water outlet valve of the barrel body is opened to extract negative pressure, so that the barrel body penetrates into the seabed to a designed depth along the positioning steel pile under the action of dead weight and the negative pressure;
5) Removing part of the positioning steel pile: and taking out the triangular locating frames from the three locating steel piles, and rotating, screwing out and removing the locating steel pile standard sections above the top surface of the barrel body one by one, so that the locating steel piles below the top surface of the barrel body continue to remain, and thus the foundation penetration construction of the barrel body is completed.
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| CN111335354B (en) * | 2019-11-11 | 2021-06-04 | 合肥学院 | Ocean anchor foundation construction device with adjustable height |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268880A (en) * | 2010-06-04 | 2011-12-07 | 中国海洋石油总公司 | Through-middle type cylindrical foundation and mounting process |
| CN102296623A (en) * | 2011-06-27 | 2011-12-28 | 天津大学 | Tripod type leveling offshore foundation structure and construction method thereof |
| CN202730789U (en) * | 2012-03-29 | 2013-02-13 | 北京天工创道建筑科技有限公司 | Foundation pile and integrated structure thereof |
| CN103741705A (en) * | 2013-12-23 | 2014-04-23 | 中交第二航务工程局有限公司 | Double-layer bucket cover suction type bucket pile composite foundation and constructing method thereof |
| CN204626445U (en) * | 2015-05-21 | 2015-09-09 | 山东科技大学 | A kind of barrel base with steel wing plate |
| CN204940320U (en) * | 2015-09-08 | 2016-01-06 | 山东科技大学 | A kind of taper Blade fence |
| CN205188994U (en) * | 2015-12-08 | 2016-04-27 | 山东科技大学 | Take branch storehouse skirt -type suction bucket shape basis of pterygoid lamina |
| CN205444224U (en) * | 2015-12-24 | 2016-08-10 | 山东科技大学 | Convex bucket foundation with ribbing in surface |
| CN106087928A (en) * | 2016-07-27 | 2016-11-09 | 合肥学院 | A kind of axisymmetric barrel base list lower limb post production platform and construction method thereof |
| CN205742258U (en) * | 2016-06-15 | 2016-11-30 | 江苏建筑职业技术学院 | Good stability is prone to the heavy barrel base passed through |
| CN205857222U (en) * | 2016-06-15 | 2017-01-04 | 江苏建筑职业技术学院 | Triangle knife-edge barrel base |
| CN207331731U (en) * | 2017-04-19 | 2018-05-08 | 合肥学院 | A kind of barrel base easy to control verticality |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2490393B1 (en) * | 2013-01-29 | 2015-06-12 | Jose Emilio Jimeno Chueca | Installation procedure for offshore wind turbine tower, battery-based foundation, and equipment to carry out such procedure |
-
2017
- 2017-04-19 CN CN201710257792.4A patent/CN106948366B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268880A (en) * | 2010-06-04 | 2011-12-07 | 中国海洋石油总公司 | Through-middle type cylindrical foundation and mounting process |
| CN102296623A (en) * | 2011-06-27 | 2011-12-28 | 天津大学 | Tripod type leveling offshore foundation structure and construction method thereof |
| CN202730789U (en) * | 2012-03-29 | 2013-02-13 | 北京天工创道建筑科技有限公司 | Foundation pile and integrated structure thereof |
| CN103741705A (en) * | 2013-12-23 | 2014-04-23 | 中交第二航务工程局有限公司 | Double-layer bucket cover suction type bucket pile composite foundation and constructing method thereof |
| CN204626445U (en) * | 2015-05-21 | 2015-09-09 | 山东科技大学 | A kind of barrel base with steel wing plate |
| CN204940320U (en) * | 2015-09-08 | 2016-01-06 | 山东科技大学 | A kind of taper Blade fence |
| CN205188994U (en) * | 2015-12-08 | 2016-04-27 | 山东科技大学 | Take branch storehouse skirt -type suction bucket shape basis of pterygoid lamina |
| CN205444224U (en) * | 2015-12-24 | 2016-08-10 | 山东科技大学 | Convex bucket foundation with ribbing in surface |
| CN205742258U (en) * | 2016-06-15 | 2016-11-30 | 江苏建筑职业技术学院 | Good stability is prone to the heavy barrel base passed through |
| CN205857222U (en) * | 2016-06-15 | 2017-01-04 | 江苏建筑职业技术学院 | Triangle knife-edge barrel base |
| CN106087928A (en) * | 2016-07-27 | 2016-11-09 | 合肥学院 | A kind of axisymmetric barrel base list lower limb post production platform and construction method thereof |
| CN207331731U (en) * | 2017-04-19 | 2018-05-08 | 合肥学院 | A kind of barrel base easy to control verticality |
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