CN106013214A - Thick-wall composite cylindrical foundation with built-in ground breaking device - Google Patents
Thick-wall composite cylindrical foundation with built-in ground breaking device Download PDFInfo
- Publication number
- CN106013214A CN106013214A CN201610618680.2A CN201610618680A CN106013214A CN 106013214 A CN106013214 A CN 106013214A CN 201610618680 A CN201610618680 A CN 201610618680A CN 106013214 A CN106013214 A CN 106013214A
- Authority
- CN
- China
- Prior art keywords
- ground
- cylindrical foundation
- wall
- ground breaking
- foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
A thick-wall composite cylindrical foundation with a built-in ground breaking device is composed of a cylindrical foundation body, a transition section, two ground breaking walls, bin dividing plates, ground breaking bins, ground breaking pipes, high-pressure water guns, drain pipes and pumping drainage devices. The cylindrical foundation body and the transition section form an integrated structure, and the transition section is connected with a draught fan tower cylinder through a flange; the lower end of the edge wall of the cylindrical foundation body is provided with the inner annular ground breaking wall and the outer annular ground breaking wall; the bin dividing plates are uniformly distributed at the lower end of the edge wall of the cylindrical foundation body and form the ground breaking bins; the ground breaking pipes and the drain pipes are embedded into the bottom end of the concrete edge wall of the cylindrical foundation body, the bottoms of the ground breaking pipes and the bottoms of the drain pipes lead to the ground breaking bins separately, the tops of the ground breaking pipes are connected with the high-pressure water guns, and the tops of the drain pipes are connected with the pumping drainage devices. The cylindrical foundation has the advantages that a concrete thick-wall structure is adopted as the side wall of the cylindrical foundation body, and therefore the stability of the foundation is improved; it is guaranteed that a soil body structure outside the bins is not destroyed through the ground breaking bins, so that the bearing capacity of the soil body structure in the running process is guaranteed, and the adjustable capacity of foundation balance in the sinking process is guaranteed through multiple ground breaking bins.
Description
Technical field
The present invention relates to offshore wind power foundation structure, be that a kind of inside carries the heavy wall of the device that breaks ground and is combined cartridge type base
Plinth.
Background technology
Offshore wind energy resource is abundant, and the wind energy resources developed of China coastal seas is up to land wind energy resources according to statistics
3 times more than.Owing to wind energy on the sea has the advantages such as wind field fluidised form is good, be not take up soil, annual utilization hours is high,
Make the offshore wind farm exploitation impetus in recent years the swiftest and the most violent.But, marine environmental conditions is complicated, and sea water is to basis
The corrosion of structure is the most fairly obvious with souring.This makes the technology of offshore wind power foundation become offshore wind farm
The key factor of development.
At present, the version of offshore wind power foundation include gravity type foundation, single-pile foundation, spider basis,
Catheterostat basis, grouped piles cap basis, cylindrical foundation, spar buoyant foundation and different structure are mutually combined
Basis etc..Wherein, cylindrical foundation is with its superior bearing capacity, light version and good transportation by driving energy
Power is increasingly widely applied.But, structurally there is certain defect in existing bucket foundation.At present,
Sidewall many employings Steel Thin-Wall plate structure of bucket foundation, this makes cylinder-shaped foundation structure lighter, sinking work
It is more easy to carry out.But, owing to the area of thin-walled steel plate is relatively big, easily occur that flexing is lost in sinking and operation phase
Steady phenomenon.To this end, some engineering selects armored concrete heavy wall as the sidewall of bucket foundation.Employing heavy wall is tied
The bucket foundation of structure, its flexing destabilization problems is addressed really, and bearing capacity is also greatly improved.No
Cross, owing under such thick-walled cylinder type foundation, the area of the end in contact soil body is excessive so that the sinking difficulty on basis is very big
Promote.Therefore, for such engineering, some outside devices that break ground are proposed.Under thick-walled cylinder type foundation
During Chen, original soil structures is destroyed by the device that breaks ground outside employing so that soil disturbance (produces stream
Dynamic property), it is finally completed sinking work.But, during sinking under the foundation, break ground device outside this type of not only
Destroy the soil body below barrel, the most in various degree destroy the outside soil body in cylinder.Thus so that cartridge type
The integrated carrying ability of base structure is under some influence.Break ground to this end, present applicant proposes to carry inside one
The heavy wall of device is combined bucket foundation, and this basis uses limit wall based on concrete heavy wall, and break ground device in inside
The effect broken ground can be effectively ensured, and avoid the damage of soil body inside and outside cylinder, so that basis both ensure that down
Heavy efficiency in turn ensure that bearing capacity.
Summary of the invention
It is an object of the invention to for above-mentioned existing problems, propose a kind of inside and carry the heavy wall of the device that breaks ground and be combined
Bucket foundation, the heavy wall of this structure is combined bucket foundation can ensure the integrity of the soil body inside and outside sinking watching middle cylinder body,
And ensure the adjustability of sinking watching middle cylinder body balance.
Technical scheme:
A kind of inside carries the heavy wall of the device that breaks ground and is combined bucket foundation, by cylindrical foundation, changeover portion, the wall that breaks ground,
Point storehouse plate, storehouse of breaking ground, the pipe that breaks ground, giant, drain pipe and exhaust device are constituted, and cylindrical foundation is heavy wall
Steel bar xoncrete structure, cylindrical foundation and changeover portion connect and compose integrative-structure, and changeover portion passes through flange and wind
Machine tower is connected；Cylindrical foundation Bian Bi lower end arranges inside and outside two ring-type walls be respectively placed in cylindrical foundation of breaking ground
The inside and outside both sides of Bian Bi lower end, the wall that breaks ground is thin-walled tubular steel plate structure, and its top is embedded in cylindrical foundation limit
Wall lower end also constitutes ring-type warehouse structure with cylindrical foundation Bian Bi bottom surface；Cylindrical foundation Bian Bi lower end is radial uniform
Point storehouse plate that 6-10 thin-walled steel plate make is set and by inside and outside two ring-type annuluses broken ground between wall
It is separated into the identical separation of 6-10, cylindrical foundation Bian Bi bottom surface, breaks ground wall and a point storehouse plate collectively forms radiation
6-10 storehouse of breaking ground of shape distribution；Pre-buried pipe and the drain pipe of breaking ground of the concrete edge wall bottom inner portion of cylindrical foundation
And it is spaced setting, the pipe that breaks ground is steel pipe with drain pipe, and the bottom of break ground pipe and drain pipe respectively leads to storehouse of breaking ground,
Top respectively leads to the top of cylindrical foundation, and pipe top of breaking ground connects giant, and drain pipe top fills with pump drainage
Put connection；Being arranged circumferentially 3-5 the pipe that breaks ground in each storehouse of breaking ground, each drain pipe quantity broken ground in storehouse is 2
Individual and be evenly distributed on both sides, storehouse of breaking ground.
The invention has the beneficial effects as follows:
This heavy wall is combined bucket foundation, uses Concrete Thick wall construction as cylindrical foundation sidewall, adds basis
Stability, it is to avoid the flexing phenomenon of steel walls；Storehouse of breaking ground in base structure, has ensured the soil body outside storehouse
Structure is not destroyed, it is ensured that the bearing capacity of the soil structures in running；Break ground pointing out in storehouse more
Soil structure and pumping drainage pipe, it is ensured that the effect broken ground in storehouse and speed of breaking ground；Multiple storehouses of breaking ground then ensure that
The adjustability of basis balance in sinking watching.
Accompanying drawing explanation
Fig. 1 is that this heavy wall is combined bucket foundation vertical section structure schematic diagram.
Fig. 2 is that this heavy wall is combined cartridge type foundation bottom plan structure schematic diagram.
Fig. 3 is that this heavy wall is combined cartridge type foundation bottom and looks up structural representation.
In figure 1, cylindrical foundation；2, changeover portion；3, break ground wall；4, storehouse plate is divided；5, break ground storehouse；
6, break ground pipe；7, giant；8, drain pipe；9, exhaust device.
Detailed description of the invention
Embodiment:
A kind of inside carries the heavy wall of the device that breaks ground and is combined bucket foundation, as Figure 1-3, by cylindrical foundation 1,
Changeover portion 2, the wall 3 that breaks ground, point storehouse plate 4, storehouse 5 of breaking ground, the pipe 6 that breaks ground, giant 7, drain pipe 8 and
Exhaust device 9 is constituted, and cylindrical foundation 1 is heavy wall steel bar xoncrete structure, cylindrical foundation 1 and changeover portion 2
Connecting and composing integrative-structure, changeover portion 2 is connected with blower fan tower barrel by flange；Cylindrical foundation 1 Bian Bi lower end sets
Put inside and outside two ring-type inside and outside both sides broken ground wall 3 and be respectively placed in cylindrical foundation 1 Bian Bi lower end, break ground
Wall 3 is thin-walled tubular steel plate structure, its top be embedded in cylindrical foundation 1 Bian Bi lower end and with cylindrical foundation 1
Bian Bi bottom surface constitutes ring-type warehouse structure；Cylindrical foundation 1 Bian Bi lower end is radial uniform arranges 8 thin-walled steel plates
Point storehouse plate 4 made and inside and outside two ring-type annuluses broken ground between wall 3 are separated into 8 identical
Separation, cylindrical foundation 1 Bian Bi bottom surface, breaks ground wall 3 and point storehouse plate 4 collectively forms 8 of radial distribution and breaks
Soil storehouse 5；The concrete edge wall bottom inner portion of cylindrical foundation 1 is pre-buried to break ground pipe 6 and drain pipe 8 be spaced setting,
The pipe 6 that breaks ground is steel pipe with drain pipe 8, and the bottom of break ground pipe 6 and drain pipe 8 respectively leads to storehouse 5 of breaking ground,
Top respectively leads to the top of cylindrical foundation 1, and pipe 6 top of breaking ground connects giant 7, drain pipe 8 top
It is connected with exhaust device 9；It is arranged circumferentially 3 pipes 6 that break ground in each storehouse 5 of breaking ground, each breaks ground in storehouse 5
Drain pipe quantity is 2 and is evenly distributed on both sides, storehouse 5 of breaking ground.
In this embodiment, cylindrical foundation 1 external diameter 20m, top cover thickness 0.7m, wall thickness 1m, wall height 6m；Transition
Section 2 top outer diameter 6m, wall thickness 0.6m, highly 10m；Break ground wall 3 height 2m, thickness 0.02m；Break ground
Pipe 6 and a bore thereof are 10cm；Drain pipe internal diameter 20cm.
This heavy wall is combined the method for sinking of bucket foundation, and step is as follows:
1) wall 3 that breaks ground first contacts the soil body with a point storehouse plate 4, and the soil body enters each and breaks ground in storehouse 5 subsequently；
2) exhaust device 9 of giant 7 and drain pipe 8 top is opened；
3) water under high pressure cognition forces soil body strong disturbance in storehouse 5 of breaking ground, and produces mobility, and with drain pipe 8
Discharge is broken ground storehouse 5；
4) along with the discharge of the existing soil body, cylindrical foundation 1 continues to sink, so that the soil body of lower floor is progressively
Entrance is broken ground in storehouse 5；
5) in like manner, lower floor's soil body also can because of the disturbance of high-pressure water body finally with drain pipe 8 discharge structure, thus
Basis is made to continue to sink, until having sunk；
6) can be by regulating expulsion pressure and the drain pipe of each storehouse 5 inner high voltage hydraulic giant 7 that breaks ground in sinking watching
The pump drainage speed of 8 is to control the subsidence velocity in each point of storehouse, thus realizes the leveling work in sinking watching.
Claims (1)
1. the heavy wall that an inside carries the device that breaks ground is combined bucket foundation, it is characterised in that: by cylindrical foundation,
Changeover portion, the wall that breaks ground, point storehouse plate, storehouse of breaking ground, the pipe that breaks ground, giant, drain pipe and exhaust device are constituted,
Cylindrical foundation is heavy wall steel bar xoncrete structure, and cylindrical foundation and changeover portion connect and compose integrative-structure, transition
Section is connected with blower fan tower barrel by flange；Cylindrical foundation Bian Bi lower end arrange inside and outside two ring-type break ground wall and point
Not being placed in the inside and outside both sides of cylindrical foundation Bian Bi lower end, the wall that breaks ground is thin-walled tubular steel plate structure, and its top is buried
It is located at cylindrical foundation Bian Bi lower end and constitutes ring-type warehouse structure with cylindrical foundation Bian Bi bottom surface；Cylindrical foundation limit wall
Point storehouse plate that the radial uniform 6-10 of setting the thin-walled steel plate in lower end is made by inside and outside two ring-type walls that break ground
Between annulus be separated into the identical separation of 6-10, cylindrical foundation Bian Bi bottom surface, break ground wall and Fen Cang
Plate collectively forms 6-10 storehouse of breaking ground of radial distribution；The concrete edge wall bottom inner portion of cylindrical foundation is pre-buried
Break ground pipe and drain pipe be spaced setting, and the pipe that breaks ground is steel pipe with drain pipe, the pipe bottom with drain pipe of breaking ground
Respectively leading to storehouse of breaking ground, top respectively leads to the top of cylindrical foundation, and pipe top of breaking ground connects giant, row
Water pipe top is connected with exhaust device；It is arranged circumferentially 3-5 in each storehouse of breaking ground to break ground pipe, each breaks ground in storehouse
Drain pipe quantity be 2 and be evenly distributed on both sides, storehouse of breaking ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618680.2A CN106013214A (en) | 2016-07-27 | 2016-07-27 | Thick-wall composite cylindrical foundation with built-in ground breaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618680.2A CN106013214A (en) | 2016-07-27 | 2016-07-27 | Thick-wall composite cylindrical foundation with built-in ground breaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106013214A true CN106013214A (en) | 2016-10-12 |
Family
ID=57133540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618680.2A Pending CN106013214A (en) | 2016-07-27 | 2016-07-27 | Thick-wall composite cylindrical foundation with built-in ground breaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106013214A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759419A (en) * | 2017-03-16 | 2017-05-31 | 天津大学前沿技术研究院有限公司 | A kind of annular subregion waterpower is broken ground grooving apparatus |
| CN106836267A (en) * | 2017-03-16 | 2017-06-13 | 天津大学前沿技术研究院有限公司 | A kind of annular subregion machinery waterpower combines the grooving apparatus that break ground |
| CN106968277A (en) * | 2017-04-06 | 2017-07-21 | 天津大学 | A kind of assembled offshore pile scour protection device and its construction method |
| CN108166523A (en) * | 2017-12-12 | 2018-06-15 | 河海大学 | A kind of resistance to plucking suction barrel base and its installation method |
| CN110593297A (en) * | 2019-09-30 | 2019-12-20 | 天津大学 | Crawler-type injection device for sinking thick-wall concrete cylindrical foundation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291618A (en) * | 2006-04-21 | 2007-11-08 | Yamaha Kako Kensetsu Kk | Submerged structure and submerging method |
| CN102877482A (en) * | 2012-09-11 | 2013-01-16 | 天津大学 | Gravity type foundation structure and construction method thereof |
| CN202787292U (en) * | 2012-08-03 | 2013-03-13 | 中国水电顾问集团华东勘测设计研究院 | Offshore precast concrete caisson or cylinder-type wind power foundation stream guidance soil borrowing immersion device |
| CN205857236U (en) * | 2016-07-27 | 2017-01-04 | 天津大学前沿技术研究院有限公司 | A kind of inside carries the heavy wall of the device that breaks ground and is combined bucket foundation |
-
2016
- 2016-07-27 CN CN201610618680.2A patent/CN106013214A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291618A (en) * | 2006-04-21 | 2007-11-08 | Yamaha Kako Kensetsu Kk | Submerged structure and submerging method |
| CN202787292U (en) * | 2012-08-03 | 2013-03-13 | 中国水电顾问集团华东勘测设计研究院 | Offshore precast concrete caisson or cylinder-type wind power foundation stream guidance soil borrowing immersion device |
| CN102877482A (en) * | 2012-09-11 | 2013-01-16 | 天津大学 | Gravity type foundation structure and construction method thereof |
| CN205857236U (en) * | 2016-07-27 | 2017-01-04 | 天津大学前沿技术研究院有限公司 | A kind of inside carries the heavy wall of the device that breaks ground and is combined bucket foundation |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759419A (en) * | 2017-03-16 | 2017-05-31 | 天津大学前沿技术研究院有限公司 | A kind of annular subregion waterpower is broken ground grooving apparatus |
| CN106836267A (en) * | 2017-03-16 | 2017-06-13 | 天津大学前沿技术研究院有限公司 | A kind of annular subregion machinery waterpower combines the grooving apparatus that break ground |
| CN106836267B (en) * | 2017-03-16 | 2022-06-17 | 天津大学前沿技术研究院有限公司 | Annular partition mechanical-hydraulic combined soil-breaking grooving construction method |
| CN106968277A (en) * | 2017-04-06 | 2017-07-21 | 天津大学 | A kind of assembled offshore pile scour protection device and its construction method |
| CN108166523A (en) * | 2017-12-12 | 2018-06-15 | 河海大学 | A kind of resistance to plucking suction barrel base and its installation method |
| CN108166523B (en) * | 2017-12-12 | 2019-10-29 | 河海大学 | A kind of resistance to plucking suction barrel base and its installation method |
| CN110593297A (en) * | 2019-09-30 | 2019-12-20 | 天津大学 | Crawler-type injection device for sinking thick-wall concrete cylindrical foundation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106013214A (en) | Thick-wall composite cylindrical foundation with built-in ground breaking device | |
| CN108222049A (en) | A kind of offshore wind farm combined type single-pile foundation and its construction method | |
| CN102444140A (en) | Combination base of wind power generator set foundation on sea | |
| CN103225315A (en) | Offshore wind power foundation consisting of single pile, cylindrical foundations and anchor cable | |
| CN110374820B (en) | Combined type ring cylinder buoyancy tank foundation structure and construction method thereof | |
| CN207749529U (en) | A kind of offshore wind farm combined type single-pile foundation | |
| CN106049524A (en) | Composite cylinder type foundation with auxiliary piles added in later period | |
| CN205242376U (en) | High pile platform structure that opens ice with vacuum cavity | |
| CN112127381A (en) | Offshore wind power foundation with separated bins in barrel top dense beam barrel and single-column variable-section negative pressure barrel and construction method | |
| CN210341970U (en) | Installation foundation assembly for offshore wind turbine generator system | |
| CN110155264B (en) | Marine fan composite cylinder foundation towing structure and towing method | |
| CN210562254U (en) | Offshore booster station combined foundation consisting of jacket and suction tube | |
| CN113323009B (en) | Inclined strut offshore wind power single pile foundation with damping sleeve and construction method | |
| CN112942407B (en) | Offshore wind power single pile-friction wing composite foundation and construction method thereof | |
| CN205857228U (en) | A kind of later stage adds the compound bucket foundation of auxiliary pile | |
| CN205857236U (en) | A kind of inside carries the heavy wall of the device that breaks ground and is combined bucket foundation | |
| CN106703069A (en) | Cylindrical foundation sinking device for ground breaking drag resistance and pressure maintenance and sinking method thereof | |
| CN104120699B (en) | Steel sheet pile bucket base man-made island dado structure | |
| CN104234950A (en) | Base of wind driven generator used for deep-water area | |
| CN201620415U (en) | Prestressed concrete pipe pile | |
| CN105155573A (en) | Offshore wind turbine barrel-in-barrel foundation | |
| CN211816383U (en) | Offshore wind power foundation with skirt board annular group cylinders | |
| CN205276309U (en) | Anti ice tension leg wind turbine foundation of floating | |
| CN210343603U (en) | Modular ring section of thick bamboo flotation tank foundation structure | |
| CN109457719B (en) | Single pile foundation and foundation pile structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
|
| RJ01 | Rejection of invention patent application after publication |