CN101970760B - Scour preventive apparatus for pier foundation - Google Patents
Scour preventive apparatus for pier foundation Download PDFInfo
- Publication number
- CN101970760B CN101970760B CN2009801090445A CN200980109044A CN101970760B CN 101970760 B CN101970760 B CN 101970760B CN 2009801090445 A CN2009801090445 A CN 2009801090445A CN 200980109044 A CN200980109044 A CN 200980109044A CN 101970760 B CN101970760 B CN 101970760B
- Authority
- CN
- China
- Prior art keywords
- pier footing
- flowing water
- protection against
- works
- footing works
- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/60—Piles with protecting cases
Abstract
Disclosed is a scour preventive apparatus for a pier foundation which prevents scour of the foundation of piers supporting the load of a bridge. The present invention comprises cover plates which cover the pier foundation and wherein plural holes are formed, a first flow guide plate which is distanced from the pier foundation, a second flow guide plate which is distanced from the pier foundation, and a blocking plate which connects the first and second flow guide plates and blocks the flow of fluid. One side of each flow guide plate is connected to one side of each cover plate. First flow holes and second flow holes are respectively formed in the first and second flow guide plates, which are symmetrical in relation to the pier foundation.
Description
Technical field
The present invention relates to the protection against erosion device of pier footing works.
Background technology
Usually, bridge (bridge, perhaps bridge) is meant and is erected at above rivers and creeks, the lake water etc., buys car in installments or elevated structure thing that the people passes through.Bridge is divided into two ones up and down substantially.The top of bridge is the position of direct support vehicle or people's loading, and it is formed by upper plate bottom surface frame and cylindrical component.The bottom of bridge is the position that the loading that is carried in top is passed to ground, and it is made up of abutment, bridge pier and basic courses department (pile foundation, cup-shaped basis etc.).
Because flowing of fluid, the basic courses department of bridge or bridge pier position can produce washes away phenomenon.Wash away that phenomenon is meant that the riverbed that caused by fluid or river levee are washed away and the phenomenon that forms depression or cave in., the sandy soil amount that deposits around the basic courses department in the bridge bottom will wash away phenomenon when being less than the amount of removing of sandy soil.To shown in Figure 3, the rivers and creeks flowing water that plays friction with the pier footing works can be divided into two kinds substantially like Fig. 1.Fig. 1 to Fig. 3 is the exemplary embodiments that expression pier footing works erosion takes place and washes away phenomenon.
The flowing water in rivers and creeks at first is divided into directly and the direct flowing water b of basic courses department's friction and the indirect flowing water a that flows to the basic courses department periphery.Directly the external surface of flowing water b and basic courses department 20 is divided into two-way after rubbing first, and is mobile symmetrically along the external surface of pier footing works, and in the back side external surface current phase mutual friction of pier footing works, mixing and eddy generation c.At this moment, quilts such as ground handstone are floated and impact basic courses department 20.Wash away phenomenon because the eddy current that takes place like this can cause, and on the ground in rivers and creeks, erosion takes place also.Owing to this phenomenon, make the weakened of basic courses department 20, this also is the reason that bridge caves in.
Summary of the invention
Problem to be solved by this invention is; Be arranged on the ground of pier footing works; Near the indirect flowing water that will bridge pier directly plays direct flowing water and the bridge pier in rivers and creeks of friction, flow catchments; Its rivers and creeks in pier footing works bottom is flowed form the flow velocity inactive state, thereby prevent that bridge pier external surface and rivers and creeks flowing water from playing friction.
Another problem to be solved by this invention is through being arranged on the protection against erosion device on bridge pier ground, convert rivers and creeks flowing water flow velocity to inactive state, thereby the ground that can prevent the pier footing works to be etched.
The 3rd problem to be solved by this invention is can make in the inner contingent overburden of the protection against erosion device of keeping the flow velocity inactive state to minimize.
The 4th problem to be solved by this invention is, makes the discharge orifice of flowing out the pressure overburden that is used to prevent the protection against erosion device and by the rivers and creeks flowing water on plate top, flows away to the rear of pier footing works rapidly.
The protection against erosion device of the pier footing works of the support bridge loading that the embodiment of the invention relates to comprises: sealing plate round said pier footing works, and is formed with a plurality of holes; The first flowing water deflector, its one side is connected with the one side of said sealing plate, and from the distance that said pier footing works is separated by and is stipulated, is formed with a plurality of first-class water holes; The second flowing water deflector, its one side is connected with the one side of said sealing plate, and from the distance that said pier footing works is separated by and is stipulated, is formed with a plurality of second discharge orifices; And by plate, it connects said first flowing water deflector and the said second flowing water deflector, stops fluid to flow.And said first flowing water deflector and the said second flowing water deflector are that benchmark can be symmetrical with said pier footing works.
Also have, said sealing plate comprises first board member and second board member, and said first board member and said second board member can dismounting.
Also have, can also comprise bottom panel, simultaneously be installed in ground in the time of around said pier footing works, another side is connected with said flowing water deflector and the said plate that ends.
And said bottom panel comprises the 3rd board member and the 4th board member, and said the 3rd board member and said the 4th board member can dismounting.
In addition, can also comprise the diving weir, the one of which side contacts by plate with said, and the thickness of one of which side is thicker than opposite side.
And, can also comprise that a plurality of shuntings are protruding, from the be separated by distance of regulation of the opposite side on said diving weir.
And the said one side by plate of fluid collision can be a curved surface.
Can also comprise the shunting platform, be contacted with the external surface of said pier footing works, and have the branch stream interface of symmetrical annular shape, anti-fluid is to the direct friction of said pier footing works.
Also have, can be formed with rubber layer on the surface of said flowing water deflector.
Protection against erosion device according to pier footing works of the present invention; Be arranged on the ground of pier footing works; Near the indirect flowing water that will bridge pier directly plays direct flowing water and the bridge pier in rivers and creeks of friction, flow catchments; Make in the mobile formation in the rivers and creeks of pier footing works bottom flow velocity inactive state, thereby prevent that bridge pier external surface and rivers and creeks flowing water from playing friction, has the effect that prevents that the pier footing works is etched.
And the protection against erosion device of pier footing works of the present invention is provided with the device of protection against erosion on the ground of bridge pier, has the effect that the domain that prevents the pier footing works is etched.
Also have, the protection against erosion device pressure inside overburden of pier footing works of the present invention when the flow velocity inactive state minimized, have and improve the effect that the protection against erosion device is provided with intensity.
And have; The protection against erosion device of pier footing works of the present invention; Can make from for preventing that the protection against erosion device from flowing away rapidly to the rear of pier footing works to first, second discharge orifice of the overburden formation of hydraulic pressure and the rivers and creeks flowing water that flows out by plate top, have to prevent because the effect that protection against erosion device rivers and creeks flowing water drives in the wrong direction.
Description of drawings
Fig. 1 is a stereogram of representing that the pier footing works generation of technology is in the past corroded and washed away phenomenon;
Fig. 2 representes that the pier footing works of technology washed away the vertical view of phenomenon in the past;
Fig. 3 representes that the pier footing works of technology washed away the front view of phenomenon in the past;
Fig. 4 is that the protection against erosion device that expression relates to one embodiment of the invention is arranged on the stereogram on the pier footing works;
Fig. 5 is that the protection against erosion device that expression relates to one embodiment of the invention is arranged on the front view on the pier footing works;
Fig. 6 is an enlarged front view of representing the state on the pier footing works that the protection against erosion device that one embodiment of the invention relates to is arranged on;
Fig. 7 is that the protection against erosion device that expression relates to another embodiment of the present invention is arranged on the stereogram on the pier footing works;
Fig. 8 is that the protection against erosion device that expression relates to another embodiment of the present invention is arranged on the main sectional view on the pier footing works;
Fig. 9 is that expression is arranged on the stereogram on the pier footing works with protection against erosion device and the shunting platform that another embodiment of the present invention relates to;
Figure 10 is that expression is arranged on the section plan on the pier footing works with protection against erosion device and the shunting platform that another embodiment of the present invention relates to.
Reference numeral
10: pier footing works 20: basic courses department
100: the protection against erosion device
110: the first flowing water deflectors 110 ': the second flowing water deflector
111: first-class water hole 111 ': second discharge orifice
112: rubber layer 120: by plate
121: eddy current forms protruding 130: the diving weir
131: inclined plane 132: shunting is protruding
140: bottom panel 140a: first board member
140b: second board member 150: shunting platform
151: divide stream interface 160: sealing plate
160a: the 3rd board member 160b: the 4th board member
161: discharge orifice 162: inner space
A: indirect flowing water b: direct flowing water
C: eddy current
The specific embodiment
Below, reference accompanying drawing of the present invention specifies one of preferred embodiment that the present invention relates to.
At first, notice in the accompanying drawing that identical inscape or member represent with identical Reference numeral as far as possible.In explanation of the present invention,, omit the detailed description that related known function perhaps constitutes for fuzzy purport of the present invention.
Fig. 4 is that the protection against erosion device that expression relates to one embodiment of the invention is arranged on the stereogram on the pier footing works; Fig. 5 is that the protection against erosion device that expression relates to one embodiment of the invention is arranged on the front view on the pier footing works; Fig. 6 is that the protection against erosion device that expression relates to one embodiment of the invention is arranged on the enlarged front view on the pier footing works; Fig. 7 is that the protection against erosion device that expression relates to another embodiment of the present invention is arranged on the stereogram on the pier footing works, and Fig. 8 is that the protection against erosion device that expression relates to another embodiment of the present invention is arranged on the main sectional view on the pier footing works.
To shown in Figure 8, the protection against erosion device 100 that an embodiment relates to plays protection pier footing works 10 around the pier footing works like Fig. 4.
The inscape of one embodiment comprises: sealing plate 160, the first flowing water deflectors 110, the second flowing water deflectors 110 ' and, by plate 120.And, also comprise: bottom panel 140, diving weir 130, and shunting protruding 132.
At first, sealing plate 160 is round pier footing works 10, and at this moment, sealing version 160 is made up of board member 160a, 160b that can dismounting.Said board member 160a, 160b utilize respectively in board member 160a, the last jut that forms of 160b and insertion section, can combine or solder bond etc. combines in several ways to embed.
This is for ease pier footing works 10 to be surrounded operation.And, be formed with a plurality of holes of running through 163 on the sealing version 160.
The first flowing water deflector 110 and the second flowing water deflector 110 ' one side be connected with the one side of sealing plate 160 respectively, and be that benchmark is symmetrical, at a distance of predetermined distance with pier footing works 10.At this moment, the first flowing water deflector 110 and the second flowing water deflector 110 ' on be formed with respectively first-class water hole 111 and second discharge orifice 111 '.
And the first flowing water deflector 110 and the second flowing water deflector, 110 ' surfaces coated are covered with rubber layer 112.Said rubber layer 112 is protection against erosion devices that protection one embodiment relates to from swept away next native sand and native stone etc. by fluid.
By plate 120 and the first flowing water deflector 110 and the second flowing water deflector 110 ' be connected.At this moment, the one side by plate 120 forms curved surface.
The protection against erosion device 100 that an embodiment like this relates to is arranged on the ground of pier footing works 10 after the bottom panel 140, the longshore current direction of flow vertical layout first flowing water deflector 110 and the second flowing water deflector 110 in the both sides of bottom panel 140 '.
The vertical layout at the rear of bottom panel 140 by plate 120, afterwards, at the first flowing water deflector 110, the second flowing water deflector 110 ' be connected sealing plate 160 with upper side by plate 120.Connect the protection against erosion device 100 of an embodiment of each inscape like this, be formed with inner space 162 between the inscape of its connection.And the position, the place ahead of bottom panel 140 is an open state, can flow into inner space 162 through the front part bit stream body of bottom panel 140.
Fluid flows into after the inner space 162, and the fluid that is flowed into is owing to be that inactive state rests on inner space 162 by plate 120 with the flow velocity.At this moment; Because flowing into the rate of flow of fluid of inner space 162 stops; So 162 do not produce the direct flowing water b in rivers and creeks and indirect flowing water a in the inner space, thus can prevent repeatedly fluid friction to take place at the external surface rear of pier footing works 10 and cause wash away phenomenon.
And, the first flowing water deflector 110, the second flowing water deflector 110 ' on be formed with first-class water hole 111 and second discharge orifice 111 ', can prevent because the fluid that constantly flows into uprises the hydraulic pressure of inner space 162; On sealing plate 160, be formed with a plurality of holes 163.Through said first-class water hole 111, second discharge orifice 111 ' and hole 163 fluids in the inner space 162 are outwards flowed out, thereby the hydraulic pressure that prevents inner space 162 uprises.
Also have, the one side by plate 120 of fluid collision forms curved surface, and the fluid that flows into inner space 162 is rotated along curved surface.Thus, the fluid eddy generation c phenomenon in the inner space 162 can reduce the hydraulic pressure in the inner space 162.
In addition, also comprise diving weir 130 in another embodiment, and be connected by plate 120 rears and have an inclined plane 131.The situation on said inclined plane 131, form and by the contacted side thickness of plate 120 1 sides than opposite side thickness thicker.
In addition, in one embodiment, also comprise a plurality of shuntings convexities 132, the opposite side predetermined distance on distance diving weir 130.A plurality of protruding 132 multiple rows are protruding successively.Shunting protruding 132 has the effect of dispersion along the direction of flow of inclined plane 131 outflows on diving weir 130.Because protruding 132 dispersing fluid of shunting flow to, thereby weir 130 rear grounds that prevent to dive under water are etched.
Like this, protection against erosion device 100 is set being arranged on the pier footing works 10 on ground, rivers and creeks, prevents that the external surface of pier footing works 10 from being subsided, can prevent also that surrounding ground is etched.Have like this and also can keep the intensity of pier footing works 10 and the advantage of endurance structure when spreading unchecked for a long time in the rivers and creeks.
In addition, make the intake section of inner space 162 of the supply fluid of protection against erosion device 100 reduce height, form in the other direction and tilt also to improve height, thereby prevent because the static fluid pressure of flow velocity produces overburden.
Fig. 9 representes the protection against erosion device that another embodiment of the present invention is related to and shunts the stereogram that platform is arranged on the state on the pier footing works that Figure 10 representes the protection against erosion device that another embodiment of the present invention is related to and shunts the section plan that platform is arranged on the state on the pier footing works.The inscape of another embodiment of the present invention is with similar with reference to the explanation of accompanying drawing 4 to 8 inscape of illustrated example, and the Therefore, omited is to its detailed description.
Like Fig. 9 and shown in Figure 10; Receiving the upright shunting platform 150 of establishing on pier footing works 10 external surfaces of rivers and creeks upstream side flowing water; It has the branch stream interface 151 of the symmetrical annular shape that can shunt rivers and creeks flowing water, thereby prevents the upstream side flowing water direct friction pier footing works in rivers and creeks.
More than the present invention of explanation is not limited to said embodiment and accompanying drawing, in not breaking away from technological purport scope of the present invention, can carry out multiple replacement, distortion and variation, is that the those skilled in the art to technical field under the present invention are clear and definite.
Claims (9)
1. protection against erosion device that supports the pier footing works of bridge loading, it comprises:
Sealing plate round said pier footing works, and is formed with a plurality of holes;
The first flowing water deflector, its one side is connected with the one side of said sealing plate, and from the distance that said pier footing works is separated by and is stipulated, is formed with a plurality of first-class water holes;
The second flowing water deflector, its one side is connected with the one side of said sealing plate, and from the distance that said pier footing works is separated by and is stipulated, is formed with a plurality of second discharge orifices; And
By plate, it connects said first flowing water deflector and the said second flowing water deflector, stops fluid to flow;
And said first flowing water deflector and the said second flowing water deflector are that benchmark is symmetrical with said pier footing works.
2. the protection against erosion device of pier footing works as claimed in claim 1 is characterized in that,
Said sealing plate comprises first board member and second board member, and said first board member and said second board member can dismounting.
3. the protection against erosion device of pier footing works as claimed in claim 1 is characterized in that,
Also comprise bottom panel, it is round said pier footing works, and one side is installed in ground, and another side is connected with said flowing water deflector and the said plate that ends.
4. the protection against erosion device of the described pier footing works of claim 3 is characterized in that,
Said bottom panel comprises the 3rd board member and the 4th board member, and said the 3rd board member and said the 4th board member can dismounting.
5. the protection against erosion device of the described pier footing works of claim 1 is characterized in that,
Also comprise the diving weir, the one of which side contacts by plate with said, and the thickness of one of which side is thicker than opposite side.
6. the protection against erosion device of the described pier footing works of claim 5 is characterized in that,
Comprise that also a plurality of shuntings are protruding, from the be separated by distance of regulation of the opposite side on said diving weir.
7. the protection against erosion device of the described pier footing works of claim 1 is characterized in that,
The said one side by plate of fluid collision is a curved surface.
8. the protection against erosion device of the described pier footing works of claim 1 is characterized in that,
Also comprise the shunting platform, contact the external surface of said pier footing works, and have the branch stream interface of symmetrical annular shape, stop the direct friction of fluid said pier footing works.
9. the protection against erosion device of the described pier footing works of claim 1 is characterized in that,
On the surface of said flowing water deflector, be formed with rubber layer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2008-0024013 | 2008-03-14 | ||
| KR1020080024013A KR100982023B1 (en) | 2008-03-14 | 2008-03-14 | Apparatus for preventing scour on bridge pier foundation |
| PCT/KR2009/001241 WO2009113817A2 (en) | 2008-03-14 | 2009-03-12 | Scour preventive apparatus for pier foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101970760A CN101970760A (en) | 2011-02-09 |
| CN101970760B true CN101970760B (en) | 2012-03-21 |
Family
ID=41065672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801090445A Expired - Fee Related CN101970760B (en) | 2008-03-14 | 2009-03-12 | Scour preventive apparatus for pier foundation |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20110016644A1 (en) |
| EP (1) | EP2270283A4 (en) |
| JP (1) | JP5022500B2 (en) |
| KR (1) | KR100982023B1 (en) |
| CN (1) | CN101970760B (en) |
| WO (1) | WO2009113817A2 (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806041B (en) * | 2010-03-25 | 2012-07-04 | 四川省交通厅公路规划勘察设计研究院 | Rolling stone collision protective structure for bridge pier |
| KR101384165B1 (en) * | 2012-05-02 | 2014-04-10 | 한국해양과학기술원 | A cap for protecting foundation scouring for offshore wind turbine |
| CN103233429A (en) * | 2013-05-11 | 2013-08-07 | 天津二十冶建设有限公司 | Construction method of local scour prevention of piers in water |
| CN103243639A (en) * | 2013-05-13 | 2013-08-14 | 牟献友 | Annular-wing pier capable of preventing scouring |
| US9453319B2 (en) | 2013-10-08 | 2016-09-27 | Applied University Research, Inc. | Scour preventing apparatus for hydraulics structures |
| CN104631307A (en) * | 2013-11-07 | 2015-05-20 | 成都凯裕电子电器有限公司 | Impact-prevention drainage device of pier |
| CN103556658A (en) * | 2013-11-14 | 2014-02-05 | 中国海洋石油总公司 | Scour-prevention structure of underwater infrastructure |
| JP6400424B2 (en) * | 2014-10-10 | 2018-10-03 | 五洋建設株式会社 | Work box and water stop method for work box |
| NL2017059B1 (en) * | 2016-06-28 | 2018-01-05 | Pile Fabrics Gmbh | Scour protector and method of arranging a scour protector on a seabed |
| CN109338909B (en) * | 2018-11-20 | 2020-04-28 | 广东工业大学 | Integral pier reinforcing structure and construction method thereof |
| CN109372006B (en) * | 2018-11-27 | 2023-11-10 | 中国电建集团华东勘测设计研究院有限公司 | Scour prevention protection structure for offshore wind turbine foundation and construction method thereof |
| KR102226796B1 (en) * | 2019-01-07 | 2021-03-10 | 이형만 | Bridge protection device |
| CN109914224B (en) * | 2019-04-18 | 2021-01-12 | 台州佳沃科技有限公司 | Assembled bridge substructure |
| CN110656588B (en) * | 2019-10-12 | 2021-03-26 | 孔令绅 | Portable supporting and protecting structure for elevated road and bridge and assembling method thereof |
| CN111424730B (en) * | 2020-03-18 | 2021-07-02 | 石家庄铁道大学 | Comb flow tooth device for resisting scouring of heavy-duty railway bridge pier column foundation |
| CN111778877B (en) * | 2020-07-07 | 2021-09-28 | 河北宝力工程装备股份有限公司 | Bridge reinforcing device for load transfer |
| CN112746556B (en) * | 2021-01-12 | 2022-04-19 | 浙江大学 | Pier scouring protection method combining concave rotating normal curved surface and granular particles |
| CN114197299B (en) * | 2022-01-07 | 2024-01-26 | 中铁大桥勘测设计院集团有限公司 | Pier with subregion vortex that disappears and scour protection assembled guard ring |
| CN115233744B (en) * | 2022-06-13 | 2024-01-19 | 郑州大学 | Sacrificial folded plate group for reducing scour of pier bearing platform |
| KR102543637B1 (en) * | 2022-10-05 | 2023-06-14 | 한국해양과학기술원 | pier for marine bridge with function of scour protection |
| CN116122189A (en) * | 2023-04-20 | 2023-05-16 | 中铁二十二局集团第二工程有限公司 | Arch bridge dismantling method |
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| US3529427A (en) * | 1968-11-05 | 1970-09-22 | Delta Diving Ltd | Device for preventing or reducing scours at the lower ends of members supporting marine structures |
| US4036022A (en) * | 1971-04-13 | 1977-07-19 | Larsen Ole Fjord | Method of producing and protecting deposits of sedimentary material on floors of bodies of water |
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| KR100570921B1 (en) * | 2006-01-06 | 2006-04-14 | 동부엔지니어링 주식회사 | Structure of protection erosion for pier foundation |
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2008
- 2008-03-14 KR KR1020080024013A patent/KR100982023B1/en not_active IP Right Cessation
-
2009
- 2009-03-12 WO PCT/KR2009/001241 patent/WO2009113817A2/en active Application Filing
- 2009-03-12 EP EP09719723A patent/EP2270283A4/en not_active Withdrawn
- 2009-03-12 JP JP2010550596A patent/JP5022500B2/en not_active Expired - Fee Related
- 2009-03-12 CN CN2009801090445A patent/CN101970760B/en not_active Expired - Fee Related
- 2009-09-14 US US12/922,507 patent/US20110016644A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20110016644A1 (en) | 2011-01-27 |
| CN101970760A (en) | 2011-02-09 |
| WO2009113817A3 (en) | 2010-01-14 |
| JP2011516756A (en) | 2011-05-26 |
| KR20090098554A (en) | 2009-09-17 |
| EP2270283A2 (en) | 2011-01-05 |
| JP5022500B2 (en) | 2012-09-12 |
| WO2009113817A2 (en) | 2009-09-17 |
| KR100982023B1 (en) | 2010-09-13 |
| EP2270283A4 (en) | 2013-03-20 |
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