CN219840020U - Fan foundation anti-erosion structure suitable for aggressive beach - Google Patents
Fan foundation anti-erosion structure suitable for aggressive beach Download PDFInfo
- Publication number
- CN219840020U CN219840020U CN202321086497.4U CN202321086497U CN219840020U CN 219840020 U CN219840020 U CN 219840020U CN 202321086497 U CN202321086497 U CN 202321086497U CN 219840020 U CN219840020 U CN 219840020U
- Authority
- CN
- China
- Prior art keywords
- stone
- beach
- fan foundation
- wave
- aggressive
- 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.)
- Active
Links
- 239000004575 stone Substances 0.000 claims abstract description 82
- 230000003628 erosive effect Effects 0.000 claims abstract description 34
- 230000002265 prevention Effects 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000004746 geotextile Substances 0.000 abstract description 13
- 239000011435 rock Substances 0.000 description 24
- 239000002689 soil Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 230000007123 defense Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model relates to a fan foundation erosion-preventing structure suitable for an erosive beach, which comprises geotextile paved on the surface of the coastal beach to a fan foundation, wherein a stone block coastal part, a stone block beach protecting part, a stone block wave preventing part, a stone block slope protecting part, a concrete slope protecting part and a concrete curing platform part are sequentially arranged on the geotextile in the direction from the coastal ocean to the fan foundation; an inner row pipe pile and an outer row pipe pile are arranged on one side of the beach close to the ocean, and the stone block sea-facing part is positioned on one side of the outer row pipe pile close to the ocean; the stone beach protection part is positioned between the inner row pipe piles and the outer row pipe piles and between the inner row pipe piles and the stone wave prevention part. The impact action of wave can be weakened by a wide margin to this scheme, the erosion action of wave to rear structure is alleviateed, can be used to the great aggressive beach area of wave, provides reliable protection for the fan foundation.
Description
Technical Field
The utility model belongs to the technical field of wave elimination and corrosion prevention, and particularly relates to a fan foundation corrosion prevention structure suitable for an aggressive beach.
Background
At present, the protection structure forms of facilities near the coast mainly comprise the forms of dry masonry block stone slope protection, filling block stone slope protection, stone throwing slope protection, PHC pipe pile wave dissipation and the like, the protection structure focuses on wave dissipation and slope protection, and the protection of the beach is not considered; the erosion beach is repeatedly eroded by sea waves due to the fact that the beach surface is gradually lowered in elevation, the slope feet of the protective structure are suspended to collapse and destroy after a certain degree, the bottom of the slope is hollowed out, the slope collapses and destroy, and the erosion prevention structure is disabled as a whole. Therefore, the above-mentioned conventional erosion preventing structure cannot effectively protect protected facilities for a long period of time in the case that the beach is eroded year by year, and thus it is required to optimize and improve the conventional erosion preventing structure.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the fan foundation anti-erosion structure suitable for the erosive beach overcomes the defects of the existing protective structure in the aspect of beach protection, solves the problem that the beach gradually descends to damage the structure, and achieves the effect of effectively preventing waves and erosion on the erosive beach.
According to the technical scheme, the utility model provides a fan foundation erosion-preventing structure suitable for an aggressive beach, which comprises geotextiles paved on the surface of the beach to the fan foundation, wherein the geotextiles are sequentially provided with a rock block coastal part, a rock block beach protecting part, a rock block wave preventing part, a rock block slope protecting part, a concrete slope protecting part and a concrete curing platform part in the direction from the coastal ocean to the fan foundation; an inner row pipe pile and an outer row pipe pile are arranged on one side of the beach close to the ocean, and the stone block sea-facing part is positioned on one side of the outer row pipe pile close to the ocean; the stone beach protection part is positioned between the inner row pipe piles and the outer row pipe piles and between the inner row pipe piles and the stone wave prevention part.
Further, an inner lattice stem is arranged at the joint of the concrete curing platform part and the concrete slope protection part, and an outer lattice stem is arranged at the joint of the concrete slope protection part and the block stone slope protection part.
Further, the stone wave-preventing portion is in the shape of a peak protruding upward.
Preferably, the slope gradient of the stone wave prevention part near the ocean side is smaller than the slope gradient of the stone wave prevention part near the fan foundation side.
Preferably, the height of the rock block wave preventing part is greater than 3m.
Preferably, the stone size used for the stone wave protection portion satisfies that the individual stone weight is more than 200kg.
Preferably, the concrete thickness of the concrete curing platform part and the concrete slope protection part is not less than 10cm.
Preferably, the thickness of the rock block slope protection part is not less than 70cm.
Preferably, the diameter of the pipe pile used for the inner row of pipe piles is 30cm, and the distance between adjacent pipe piles is 90cm; the diameter of the pipe pile used for the outer row of pipe piles is 40cm, and the distance between adjacent pipe piles is 70cm.
Preferably, the cross-sectional dimensions of the inner and outer lattice stems are 40cm by 60cm.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the fan foundation anti-erosion structure suitable for the erosive beach, provided by the utility model, is especially aimed at aiming at the characteristics of the erosive beach, adopts two rows of tubular piles and throws stones at two sides of the tubular piles to form a rock block sea-facing part and a rock block beach-protecting part, so that part of wave force can be eliminated and a spreading surface can be effectively protected; after the waves of the two rows of pipe piles are eliminated, the waves are eliminated through the rock block wave-preventing part, the impact action of the sea waves is greatly weakened, the erosion action of the sea waves on structures such as a rear rock block slope protection part, a concrete slope protection part and the like is reduced, and meanwhile, the two rows of pipe piles also play a role in protecting the rock block wave-preventing part, so that the rock block wave-preventing part is not impacted to the sea by the sea waves; the scheme can be used for the larger area of wave, provides reliable protection guarantee for the fan foundation.
2. The fan foundation anti-erosion structure suitable for the erosive beach is characterized in that geotextiles are arranged on the surface of the beach, and further, stones and other structures are arranged on the geotextiles, so that the geotextiles are always in close contact with soil, and the erosion of seawater is effectively slowed down.
3. The fan foundation anti-erosion structure suitable for the erosive beach fully utilizes undisturbed soil at the outer side of the fan foundation, adopts a concrete mortar surface layer to protect the slope and solidify a platform, adopts two lattice stems, two slope protection layers and one slope protection layer to carry out multi-line protection enclosure, and can effectively prevent sea waves from scouring the fan platform.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Reference numerals in the drawings illustrate:
1. a fan foundation;
2. geotextile;
3. stone facing sea;
4. a stone beach protection part;
5. a stone wave-proof part;
6. a stone slope protection part;
7. a concrete slope protection part;
8. a concrete curing platform section;
9. an inner row of pipe piles;
10. an outer tube pile;
11. an inner lattice stem;
12. and (5) an external lattice stem.
Detailed Description
The utility model provides a fan foundation anti-erosion structure suitable for an erosive beach, which overcomes the defects of the existing protective structure in the aspect of beach protection, solves the problem that the beach surface gradually descends to damage the structure, and realizes more effective wave and erosion prevention effect on the erosive beach.
Referring to fig. 1, the present utility model relates to a fan foundation erosion preventing structure suitable for an aggressive beach, which comprises geotextile 2 laid on the surface of the beach before the fan foundation 1, wherein the geotextile 2 is sequentially provided with a stone facing sea portion 3, a stone beach protecting portion 4, a stone wave preventing portion 5, a stone slope protecting portion 6, a concrete slope protecting portion 7 and a concrete curing platform portion 8 in the direction from the coastal ocean to the fan foundation 1. The beach is provided with an inner row pipe pile 9 and an outer row pipe pile 10 on the side close to the ocean, the stone block temporary sea portion 3 is positioned on the side close to the ocean by the outer row pipe pile 10, and the stone block beach protecting portion 4 is positioned between the inner row pipe pile 9 and the outer row pipe pile 10 and between the inner row pipe pile 9 and the stone block wave preventing portion 5. Preferably, an inner lattice stem 11 is provided at the junction of the concrete curing platform portion 8 and the concrete slope protection portion 7, and an outer lattice stem 12 is provided at the junction of the concrete slope protection portion 7 and the block slope protection portion 6.
The main design conception and the protection principle of the utility model are as follows: firstly eliminating waves, then protecting a stall, and then protecting a slope by adopting three defense lines.
The first line of defense is located outside the whole of the erosion preventing structure (on the side close to the sea), and mainly comprises an inner row of pipe piles 9, an outer row of pipe piles 10 and a rubble sea facing portion 3. Two rows of pipe piles are applied on the beach, and the inner row pipe piles 9 and the outer row pipe piles 10 are preferably PHC pipe piles, so that the strength and the bearing capacity are higher, and the construction period is shorter. Meanwhile, stone blocks with larger sea facing side throwing parts of the outer-row pipe piles 10 are adopted to form a stone block sea facing part 3, and the two rows of pipe piles and the stone block sea facing part 3 resist the initial scouring action of sea waves together, so that the impact force of sea water and the damage action on a rear structure are effectively reduced. The impact applied to the tubular pile 10 is strong, the diameter of the tubular pile used is preferably large, for example 40cm, and the spacing between adjacent tubular piles is preferably dense, for example 70cm. The inner row of piles 9 is subjected to further wave dissipation, the diameter of the piles used being preferably 30cm, for example, and the spacing between adjacent piles being 90cm, for example. The concrete length and the soil penetration depth of the pipe pile are determined according to hydrologic data such as beach tidal water, sea wave and beach erosion rate data. The inner pipe pile 9 and the outer pipe pile 10 can simultaneously prevent the stone blocks (the stone beach protection part 4, the stone wave prevention part 5 and the like) on the inner side of the pipe pile from being taken away by seawater, and can fill enough stone blocks.
The second line of defense mainly comprises geotechnical cloth 2, a stone beach protection part 4 and a stone wave prevention part 5, wherein a layer of geotechnical cloth 2 is paved at least between two rows of pipe piles and on the side beach surface of the inner row of pipe piles 9 close to the fan foundation 1, and stone throwing and spreading are carried out to form the stone beach protection part 4. The geotextile 2 is preferably a spun geotextile with a specification of not less than 350g/m 2 . When the seawater is drawn out to erode the soil below the filling stones of the stone block beach protection part 4, the filling stones on the geotechnical cloth 2 can continuously move downwards to be in close contact with the soil, so that the erosion of the seawater is effectively slowed down, and the beach surface of the fan side is protected. In addition, larger wave-resistant rock blocks are further paved on the rock block beach protection part 4 at the wind turbine side of the inner row pipe piles 2, so that a rock block wave-resistant part 5 is formed, and the height and the width of the rock block wave-resistant part are determined according to the sea wave grade.
In a particularly preferred embodiment, the entirety of the stone wave preventing portion 5 has an upwardly convex mountain shape. The volume of the block stone used by the block stone wave prevention part 5 is larger than that of the single block stone used by the block stone beach protection part 4 and the block stone slope protection part 6, for example, the size of the block stone used by the block stone wave prevention part 5 satisfies that the weight of the single block stone is larger than 200kg, thereby ensuring that the block stone is not easy to be scattered or washed away by sea waves. More preferably, the height of the stone wave preventing part 5 is greater than 3m, and the slope gradient (1:2 for example) of the stone wave preventing part 5 near the ocean side is smaller than the slope gradient (1:1.5 for example) of the stone wave preventing part near the fan foundation 1 side, so that the impact of sea waves is better resisted.
The third defense line is positioned on the slope (gradient is 1:2 for example) and the platform which are behind the beach and are close to the fan foundation 1, the undisturbed soil on the outer side of the fan foundation 1 is fully utilized, and a concrete mortar surface layer is adopted for slope protection and solidification of the platform, so that a concrete solidification platform part 8 and a concrete slope protection part 7 are formed. The concrete of the concrete curing platform portion 8 and the concrete slope protection portion 7 is preferably a concrete having a strength of C25, and the thickness is preferably 10cm or more. The slope surface of the concrete slope protection part 7 close to the ocean side adopts the block stone to form a block stone slope protection part 6, and the thickness of the block stone slope protection part 6 is not less than 70cm. The inner lattice peduncles 11 and the outer lattice peduncles 12 are preferably C25 concrete, and the cross section sizes are 40cm and 60cm. Therefore, the two lattice stems, the two slope protection and the one protection surface are adopted to carry out multi-line protection enclosure, and the scouring of sea waves to the fan platform can be effectively prevented.
For further understanding and implementation, preferred implementations of the present utility model are set forth below. In the implementation process, the principle from outside to inside and from bottom to top should be followed, and the preferred construction sequence and mode are as follows:
1. performing on-site paying-off according to the plane dimension in fig. 1, and determining the range of a maintenance structure;
2. excavating and backfilling according to the slope in the figure 1 according to the site topography, topography and elevation;
3. constructing an inner lattice stalk 11 and an outer lattice stalk 12;
4. tamping the slope protection between two lattice stems according to the requirement, and then paving geotechnical cloth 2 and pouring a concrete surface layer to form a concrete slope protection part 7;
5. tamping the basic layer of the flat protection surface between the fan foundation 1 and the inner grid peduncles 11 according to the requirement, paving geotechnical cloth 2 at the basic layer, and pouring a concrete surface layer to form a concrete curing platform part 8;
6. constructing the inner row pipe piles 9 and the outer row pipe piles 10 according to requirements (the working procedure can be combined with the construction of the cofferdam;
7. constructing geotextiles 2 from the outer grid stems 12 to the outer side range of the outer row of tubular piles 10;
8. constructing a wave-resistant block stone to form a block stone wave-resistant part 5;
9. a block stone slope protection part 6 between the outer road lattice stalk 12 and the block stone wave prevention part 5 is constructed;
10. and finally, constructing the rock block wave prevention part 5 to the inner rock block at the outer periphery of the outer-row pipe pile 10 to form a rock block beach protection part 4 and a rock block sea facing part 3.
In summary, the main beneficial effects of the utility model are that, for aggressive beach, two rows of piles are adopted and stone is thrown at two sides of the piles, so that part of wave force can be eliminated and the spreading surface can be effectively protected, the stone block wave prevention part 5 at the inner side of the piles can weaken the wave impact, and the erosion of the wave to the stone block slope and the concrete slope structure can be reduced; according to the erosion condition of sea waves, the rear maintenance of the rock blocks (the rock block sea facing part 3, the rock block beach protecting part 4 and the rock block wave preventing part 5) on the two sides of the inner row of pipe piles 9 and the outer row of pipe piles 10 can be carried out, and the long-term stable maintenance can be realized; thus providing reliable protection for the fan foundation 1 also for the aggressive beach areas where sea waves are large.
Claims (10)
1. The utility model provides a fan foundation anti-erosion structure suitable for aggressive beach, its characterized in that includes along the beach surface lays to geotechnique's cloth (2) of fan foundation (1), geotechnique's cloth (2) are last coastal ocean to direction of fan foundation (1) has set gradually block stone face sea portion (3), block stone beach protection portion (4), block stone wave prevention portion (5), block stone bank protection portion (6), concrete bank protection portion (7) and concrete solidification platform portion (8); an inner pipe pile (9) and an outer pipe pile (10) are arranged on one side of the beach close to the ocean, and the stone block sea facing part (3) is positioned on one side of the outer pipe pile (10) close to the ocean; the stone beach protection part (4) is positioned between the inner pipe pile (9) and the outer pipe pile (10) and between the inner pipe pile (9) and the stone wave prevention part (5).
2. The fan foundation erosion preventing structure applicable to an erosive beach according to claim 1, characterized in that an inner lattice stem (11) is provided at a junction of the concrete curing platform portion (8) and the concrete slope protection portion (7), and an outer lattice stem (12) is provided at a junction of the concrete slope protection portion (7) and the block stone slope protection portion (6).
3. Fan foundation erosion preventing structure applicable to aggressive beaches according to claim 1, characterized in that the stone-wave preventing portion (5) is in the form of an upwardly protruding mountain.
4. A fan foundation erosion preventing structure adapted for an aggressive beach according to claim 3, characterized in that the slope gradient of the stone-blast portion (5) on the side close to the sea is smaller than the slope gradient on the side close to the fan foundation (1).
5. Fan foundation erosion preventing structure suitable for aggressive beaches according to any of the claims 1-4, characterised in that the height of the stone-blast preventing part (5) is more than 3m.
6. Fan foundation erosion protection structure for aggressive beaches according to any of the claims 1-4, characterised in that the stone size used for the stone wave protection (5) is such that the individual stone weight is more than 200kg.
7. Fan foundation erosion preventing structure suitable for an aggressive beach according to any one of claims 1-4, characterized in that the concrete thickness of the concrete curing platform section (8) and the concrete slope protection section (7) is not less than 10cm.
8. Fan foundation erosion preventing structure suitable for aggressive beaches according to any of claims 1-4, characterised in that the thickness of the stone slope protection part (6) is not less than 70cm.
9. A fan foundation erosion preventing structure for an aggressive beach according to any one of claims 1-4, characterized in that the diameter of the tube piles used for the inner row of tube piles (9) is 30cm, and the distance between adjacent tube piles is 90cm; the diameter of the pipe pile used by the outer-row pipe piles (10) is 40cm, and the distance between adjacent pipe piles is 70cm.
10. The fan foundation erosion preventing structure for an aggressive beach according to claim 2, characterized in that the cross-sectional dimensions of the inner and outer grid stems (11, 12) are 40cm x 60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086497.4U CN219840020U (en) | 2023-05-08 | 2023-05-08 | Fan foundation anti-erosion structure suitable for aggressive beach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086497.4U CN219840020U (en) | 2023-05-08 | 2023-05-08 | Fan foundation anti-erosion structure suitable for aggressive beach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840020U true CN219840020U (en) | 2023-10-17 |
Family
ID=88298000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321086497.4U Active CN219840020U (en) | 2023-05-08 | 2023-05-08 | Fan foundation anti-erosion structure suitable for aggressive beach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840020U (en) |
-
2023
- 2023-05-08 CN CN202321086497.4U patent/CN219840020U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Draining Tangjiashan Barrier Lake after Wenchuan Earthquake and the flood propagation after the dam break | |
| CN110820695B (en) | Structure and method for controlling dam bursting peak flow of damming dam | |
| CN106400744B (en) | A kind of side slope comprehensive treatment structure and its construction method for preventing river channel erosion | |
| CN206204880U (en) | A kind of side slope comprehensive regulation structure of prevention river channel erosion | |
| CN210797436U (en) | Gentle type seawall protective structure | |
| CN111270698A (en) | Protective structure for exposed diseases of bridge pile foundation in sand-mining river channel in mountainous area and construction method of protective structure | |
| CN219840020U (en) | Fan foundation anti-erosion structure suitable for aggressive beach | |
| CN210482339U (en) | Embankment side slope protection system | |
| CN209854656U (en) | Dyke | |
| CN210507492U (en) | Cofferdam structure | |
| CN212223936U (en) | A protective structure that is used for mountain area to adopt sand river course inner bridge pile foundation to expose disease | |
| CN108343074A (en) | A kind of anchor rod type lattice guest blocks structure and construction method | |
| Alam et al. | Protection works against wave attacks in the haor areas of Bangladesh: analysis of sustainability | |
| CN206607548U (en) | A kind of protective slope structure of Channel slope | |
| CN218622091U (en) | Sea wall wave dissipation structure | |
| CN220521215U (en) | Access road anti-erosion structure suitable for aggressive beach | |
| Sonu et al. | Harry Seed, liquefaction and the gravel drain | |
| CN217758578U (en) | Ecological slope protection is used in hydraulic engineering bank protection | |
| JP2015190109A (en) | Scouring-resistant apron floor structure | |
| CN218090948U (en) | Inclined retaining wall | |
| CN220079884U (en) | Embankment protective structure | |
| Kabir et al. | Design and constructional aspects of an anchored slope and gabion revetment system | |
| CN219862872U (en) | Anchor rod vegetation concrete supporting construction structure | |
| CN221052645U (en) | Cofferdam river-facing side anti-flushing and anti-seepage device | |
| CN215105047U (en) | Prefabricated concrete hollow square wall type revetment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |