CN218580596U - Intertidal zone offshore ecological submerged embankment structure - Google Patents
Intertidal zone offshore ecological submerged embankment structure Download PDFInfo
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- CN218580596U CN218580596U CN202222728432.7U CN202222728432U CN218580596U CN 218580596 U CN218580596 U CN 218580596U CN 202222728432 U CN202222728432 U CN 202222728432U CN 218580596 U CN218580596 U CN 218580596U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The application discloses offshore ecological submerged embankment structure in intertidal zone, including setting up in the intertidal zone regional: the sand layer of the mould bag and a plurality of gabion layers; the sand layer of the mould bag is laid on the current sea bed surface; each gabion layer is arranged on the top surface of the molding bag sand at intervals; a planting soil layer is filled between any two adjacent gabion layers; a reverse osmosis geotextile is clamped between the planting soil layer and the gabion; plants colonize the planting soil layer. Through setting up multilayer die bag sand and gabion on shore, improve the regional tidal erosion resistance in coast, consolidate the coast and avoid the manual work to build the sea wall and collapse, set up the planting soil that the geotechnological cloth wrapped up of reverse osmosis simultaneously between adjacent gabion, for plant colonization provides growth space, visual effect has both been richened, the unrestrained scour prevention again, block the earth loss in the intertidal zone, for the animal, the plant reliably colonizes in the intertidal zone region and provides great, deeper space.
Description
Technical Field
The application relates to the technical field of coastal zone protection and repair, in particular to an intertidal zone offshore ecological submerged embankment structure.
Background
The intertidal zone is a banded region where seawater fluctuates between a high tide line and a low tide line, and is a transition zone between land and sea.
The smaller the coast grade or the larger the tidal range, the wider the intertidal zone. The area is submerged at high tide and can be dried out at low tide. The water temperature and salinity in the intertidal zone change violently, and the method is suitable for wide-temperature and wide-salinity organism inhabitation and fishery closely related.
The loss of the intertidal zone causes serious problems of seabed scouring and lack of growth environment of animals and plants. In order to restore intertidal zone areas, the prior art CN202220293647.8 discloses an ecological brick and an ecological brick array capable of restoring biodiversity of coastal intertidal zones, wherein the brick is paved and then utilizes at least one tidal pool in the ecological brick body, and the pool wall of the tidal pool is composed of a plurality of layers of steps. After the tide recedes, the seawater is stored to provide habitat and sheltering space for coastal organisms and promote the growth and reproduction of intertidal zone species attached to the surface.
However, the brick body has a complex structure, and because the depth of the tidal pool is shallow, the tidal pool is difficult to contain planting soil, during the ebb and flood period, plants, soil or animals in the tidal pool can be washed away, the required environment for the growth of the animals and plants can not be provided, the plants can not be colonized on the brick body, the brick structure is complex and difficult to manufacture, the labor amount is large due to manual laying, and the effective blocking of soil loss in intertidal zones is difficult to realize under the continuous washing of tidal water after the laying.
SUMMERY OF THE UTILITY MODEL
The application provides an intertidal zone offshore ecological submerged embankment structure for solve the intertidal zone that exists among the prior art and reform transform that the brick recess is less, can't provide the technical problem of the required soil of colonization for vegetation.
The application provides an offshore ecological submerged embankment structure in intertidal zone, including setting up on the intertidal zone region: the sand layer of the mould bag and a plurality of gabion layers; the sand layer of the mould bag is laid on the current sea bed surface; each gabion layer is arranged on the top surface of the molding bag sand at intervals; a planting soil layer is filled between any two adjacent gabion layers; a reverse osmosis geotextile is clamped between the planting soil layer and the gabion; plants colonize the planting soil layer.
Preferably, the gabion layer comprises: the outer gabion is arranged on the sand layer of the mould bag far away from the coast; the inner gabion is arranged on the sand layer of the mould bag close to the coast; the planting soil layer is filled between the outer gabion and the inner gabion; the thickness of the outer gabion is equal to that of the inner gabion.
Preferably, the field seabed is a muddy coast, and the height of the field seabed is between-0.7 and-1.2 m; and laying the sand layer of the molding bag to the average low tide level for many years.
Preferably, the top surface of the gabion layer is level with the annual average climax level.
Preferably, a space with the width of 1.5m is reserved between the outer gabion and the inner gabion, and the reverse osmosis geotextile is laid on the inner side wall of the space; the planting soil layer is filled in the space.
Preferably, a step slope surface is arranged on the side wall of the outer gabion far away from the coast, and a soil filling pit is arranged on the inner side of the step slope surface; the step slope surface is arranged on the top surface of the sand layer of the mold bag.
Preferably, the step ramp surface comprises: the height of each adjacent precast concrete block is gradually reduced, a filling pit is formed in the top surface of each precast concrete block, and reverse osmosis geotextile is laid in each filling pit; filling planting soil in the soil filling pit; the plants are planted in the planting soil.
Preferably, the precast concrete block includes: the first precast concrete block, the second precast concrete block, the third precast concrete block, the fourth precast concrete block and the fifth precast concrete block;
the first precast concrete block is higher than the second precast concrete block;
the second precast concrete block is higher than the third precast concrete block;
the third precast concrete block is higher than the fourth precast concrete block;
the fourth precast concrete block is higher than the fifth precast concrete block.
Preferably, the reverse osmosis geotextile is laid on the top surface of the planting soil; the reverse osmosis geotextile laid on the top surface of the planting soil is provided with a plurality of planting holes.
The beneficial effects that this application can produce include:
1) The application provides an intertidal zone offshore ecological submerged embankment structure, through set up multilayer die bag sand and gabion on the bank of the coast, improve regional tidal erosion resistance in coast, consolidate the coast and avoid the manual work to build the embankment and collapse, set up the planting soil of anti-infiltration geotechnological cloth parcel simultaneously between adjacent gabion, for plant colonization provides the growth space, visual effect has both been richened, form the coast human landscape, again can the unrestrained scour protection, block the interior earth loss of intertidal zone, for the animal, the plant reliably colonizes in intertidal zone region and provides great, deeper space. Meanwhile, measures such as mangrove planting in front of the dike are combined, so that the effects of reducing wave climbing height and reducing sea wall design elevation can be achieved to a certain extent.
2) The utility model provides an intertidal zone offshore ecological submerged embankment structure sets up the step slope through in the gabion layer outside to set up the soil filling pit on step slope top surface, strengthen the tidal erosion resistance effect of this structure, after the colonization plant of being convenient for simultaneously, reduce the regional wave intensity in step slope rear, improve the survival rate of gabion layer area colonization plant.
Drawings
FIG. 1 is a front view cross-sectional structural schematic diagram of an intertidal offshore ecological submerged embankment structure provided by the present application;
fig. 2 is a schematic sectional view of a front view of a step slope surface provided in the present application;
fig. 3 is a schematic top view of the reverse filter geotextile provided herein;
illustration of the drawings:
1. a sand layer of the mould bag; 2. a gabion layer; 5. reversely filtering the geotextile; 4. planting a soil layer; 21. an inner gabion; 22. an outer gabion; 6. average high tide level over the years; 7. average low tide level over many years; 8. current state of the art seabed surfaces; 41. filling a soil pit; 11. a first precast concrete block; 12. a second precast concrete block 12; 13. a third precast concrete block; 14. a fourth precast concrete block; 15. a fifth precast concrete block; 51. and (5) planting holes.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Technical means which are not described in detail in the present application and are not used for solving the technical problems of the present application are all arranged according to common knowledge in the field, and various common knowledge arrangement modes can be realized.
Referring to fig. 1 to 3, the present application provides an intertidal zone offshore ecological submerged embankment structure, including: the sand layer of the mould bag 1 and a plurality of gabion layers 2; the mould bag sand layer 1 is laid on the current sea bed surface 8; each gabion layer 2 is arranged on the top surface of the molding bag sand at intervals; a planting soil layer 4 is filled between any two adjacent gabion layers 2; a reverse filtration geotextile 5 is clamped between the planting soil layer 4 and the gabion; the plants are colonized in the planting soil layer 4.
According to the arrangement, the overlapping height of the gabion layer 2 can be adjusted as required, the required soil layer thickness is provided for plant colonization, and the gabion layer 2 at the front end can also play a role in protecting colonized plants from being washed by tidal water. The structure can deepen the plant colonization depth and provide a suitable environment for the normal growth of the plant. When the plant is colonized, the marine organisms can be attached to the plant, and a required environment can be provided for the growth of the marine organisms. Thereby playing the roles of wave dissipation, scour prevention and earth loss prevention in the beach.
Preferably, the gabion layer 2 comprises: the outer gabion 22 and the inner gabion 21, wherein the outer gabion 22 is arranged on the mould bag sand layer 1 far away from the coast; the inner gabion 21 is arranged on the mould bag sand layer 1 close to the coast; the planting soil layer 4 is filled between the outer gabion 22 and the inner gabion 21; the outer gabion 22 and the inner gabion 21 are of equal thickness.
The utility model provides a structure can be according to different designing requirement and peripheral actual conditions, adjusts the number of piles and the size of the plane layout type (straight line, curve and other special shapes), mould bag sand and the gabion of intertidal zone.
In one embodiment, the sand layer 1 is formed by stacking a plurality of sand layers, and a plurality of sand bags can be laid in one sand layer and stacked to form the sand layer 1.
Preferably, the field seabed is a muddy coast, and the height of the field seabed is between-0.7 and-1.2 m; the sand layer 1 of the molding bag is laid to the average low tide level 7 for many years. The seabed can be effectively protected according to the arrangement.
In one embodiment, the average low tide level 7 for many years is-0.1 m, the sand layer 1 of the molding bag is two layers of molding bag sand, and the thickness of the single layer of molding bag sand is between 0.5m and 0.6 m.
Preferably, the top surface of the gabion layer 2 is level with the annual average high tide level 6.
In a specific embodiment, the annual average high tide level 6 is 0.99m, the gabion layer 2 is arranged in two layers, the lower layer is 1.5m long, 1.5m wide and 0.5m high, and the upper layer is 1.5m long, 1m wide and 0.5m high. After being stacked, the gabion is divided into an inner gabion 21 and an outer gabion 22.
Preferably, a space with the width of 1.5m is reserved between the outer gabion 22 and the inner gabion 21, and the anti-filtration geotextile 5 is laid on the inner side wall of the space; the planting soil layer 4 is filled in the space.
In one embodiment, a layer of anti-filtration geotextile 5 is laid along the inner sides of the outer gabion 22 and the inner gabion 21 formed by the gabion gabions and the top of the sand layer 1 of the mould bag, and planting soil is filled in the space with the depth of 0.8m.
The planting depth can be according to actual conditions and design requirements, plant different plants, such as mangrove or aquatic plants and the like.
Preferably, a step slope surface is arranged on the side wall of the outer gabion 22 away from the coast, and a soil filling pit 41 is arranged on the inner side of the step slope surface; the step slope surface is arranged on the top surface of the sand layer 1 of the mould bag. Through setting up a plurality of mangrove planting holes at interval, can set up the mangrove district in the outside of gabion layer 2, further strengthen its effect of dampproofing tide.
Preferably, the step ramp surface comprises: the height of each adjacent precast concrete block is gradually reduced, a filling pit 41 is formed in the top surface of each precast concrete block, and a reverse filter geotextile 5 is laid in each filling pit 41; the soil filling pit 41 is filled with planting soil; the plants are planted in the planting soil.
Preferably, the reverse filter geotextile 5 is laid on the top surface of the planting soil; the reverse filter geotextile 5 laid on the top surface of the planting soil is provided with a plurality of planting holes 51, which is convenient for planting the tidal plants.
Preferably, the precast concrete block includes: a first precast concrete block 11, a second precast concrete block 12, a third precast concrete block 13, a fourth precast concrete block 14, a fifth precast concrete block 15; the first precast concrete block 11 is higher than the second precast concrete block 12; the second precast concrete block 12 is higher than the third precast concrete block 13; the third precast concrete block 13 is higher than the fourth precast concrete block 14; the fourth precast concrete block 14 is higher than the fifth precast concrete block 15. According to the arrangement, a step slope surface is convenient to form on the outer side, so that tides can be offset, the scouring resistance effect is improved, the plant colonized in the gabion layer 2 can be protected, and the survival rate of the colonized plant in the region is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. An intertidal zone offshore ecological submerged embankment structure, which is characterized by comprising: the sand layer of the mould bag and a plurality of gabion layers; the mould bag sand layer is laid on the current sea bed surface; each gabion layer is arranged on the top surface of the molding bag sand at intervals; any two adjacent gabion layers are filled; a reverse osmosis geotextile is clamped between the planting soil layer and the gabion; plants colonize the planting soil layer.
2. The intertidal offshore ecological submerged dike structure of claim 1, wherein the gabion layer comprises: the outer gabion and the inner gabion are arranged on the sand layer of the molding bag far away from the coast; the inner gabion is arranged on the sand layer of the mould bag close to the coast; the planting soil layer is filled between the outer gabion and the inner gabion; the thickness of the outer gabion is equal to that of the inner gabion.
3. The intertidal offshore ecological submerged embankment structure according to claim 1, wherein the on-site seabed is a muddy coast, and the height of the on-site seabed is between-0.7 m and-1.2 m; and laying the sand layer of the molding bag to the average low tide level for many years.
4. The intertidal offshore ecological submerged dike structure according to claim 1, wherein the top surface of the gabion layer is flush with the annual average high tide level.
5. The intertidal offshore ecological submerged dike structure of claim 1, wherein a space with the width of 1.5m is reserved between the outer gabion and the inner gabion, and reverse-osmosis geotextile is laid on the inner side wall of the space; the planting soil layer is filled in the space.
6. The intertidal offshore ecological submerged embankment structure according to claim 1, wherein a step slope surface is arranged on the side wall of the outer gabion cage far away from the coast, and a soil filling pit is arranged on the inner side of the step slope surface; the step slope surface is arranged on the top surface of the sand layer of the mold bag.
7. The intertidal offshore ecological submerged embankment structure according to claim 1, wherein the step slope comprises: the height of each adjacent precast concrete block is gradually reduced, a filling pit is formed in the top surface of each precast concrete block, and reverse osmosis geotextile is laid in each filling pit; filling planting soil in the soil filling pit; the plants are planted in the planting soil.
8. The intertidal offshore ecological submerged embankment structure according to claim 7, wherein the precast concrete block comprises: the first precast concrete block, the second precast concrete block, the third precast concrete block, the fourth precast concrete block and the fifth precast concrete block;
the first precast concrete block is higher than the second precast concrete block;
the second precast concrete block is higher than the third precast concrete block;
the third precast concrete block is higher than the fourth precast concrete block;
the fourth precast concrete block is higher than the fifth precast concrete block.
9. The intertidal offshore ecological submerged embankment structure according to claim 1, wherein a reverse osmosis geotextile is laid on the top surface of the planting soil; the reverse osmosis geotextile laid on the top surface of the planting soil is provided with a plurality of planting holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222728432.7U CN218580596U (en) | 2022-10-17 | 2022-10-17 | Intertidal zone offshore ecological submerged embankment structure |
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| CN202222728432.7U CN218580596U (en) | 2022-10-17 | 2022-10-17 | Intertidal zone offshore ecological submerged embankment structure |
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| CN218580596U true CN218580596U (en) | 2023-03-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117266090A (en) * | 2023-11-23 | 2023-12-22 | 上海勘测设计研究院有限公司 | Coastal zone structure with storm prevention and ecological landscape and construction method |
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- 2022-10-17 CN CN202222728432.7U patent/CN218580596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117266090A (en) * | 2023-11-23 | 2023-12-22 | 上海勘测设计研究院有限公司 | Coastal zone structure with storm prevention and ecological landscape and construction method |
| CN117266090B (en) * | 2023-11-23 | 2024-02-06 | 上海勘测设计研究院有限公司 | Coastal zone structure with storm prevention and ecological landscape and construction method |
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