CN217601332U - Ecological revetment structure of sea island of sandy soil-deficient coast - Google Patents

Abstract

The utility model discloses an ecological shore protection structure of husky scarce soil coast sea island is squeezing into the prestressed pipe pile in bank slope district and tidal zone under water, set up prefabricated panel, landfill layer and gravel layer in the top of prestressed pipe pile, the landfill layer provides the soil environment of basis for vegetation, bank slope district is fit for alga plant and phytoplankton growth under water, tidal zone is fit for littoral vegetation such as vine and the bush type to grow, the rubble bed course in the tidal zone can reduce nearly bank deposit loss, and earth is difficult to be elutriated and erodeed, the vegetation is prevent wind and is promoted silt, the shore protection embankment, the bank line is stable, form the natural buffer zone before the dyke.

Description

Ecological revetment structure of sandy soil-lacking coast island

Technical Field

The utility model relates to ecological bank protection technical field especially relates to an ecological bank protection structure of husky scarce native coast island of much sand.

Background

When the coasts with much sand and lacking soil are supplied with a large amount of silt, the coastline quickly becomes silted up; when the supply of river silt is interrupted, the shoreline is unstable because silt and silt with soft texture on the coast are easily damaged after being soaked by seawater and the coast collapses and retreats.

Therefore, the development of an ecological revetment structure of sea island of sandy soil-deficient coast is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an ecological shore protection structure of husky scarce native coast island that much sand.

The technical scheme of the utility model lies in:

the utility model relates to an ecological shore protection structure of husky lack of soil coast sea island of many sands, including bank slope district, tidal zone and the district of going to the tide under water bank slope district and tidal zone are by supreme rock layer, towards the flood lamination, sedimentary layer, prefabricated panel layer, heap filling layer and the gravel layer of being equipped with in proper order down rock layer, towards the flood lamination and the sedimentary layer run through if intervene stress pipe pile, prestressing force pipe pile top is located on the prefabricated panel layer.

Further, the filling layer comprises porous concrete and biological matrix nutrient soil.

Furthermore, a retaining dam is arranged between the underwater bank slope area and the intertidal area, and the retaining dam is of a slope type.

Furthermore, one side of the retaining dam close to the tidal zone is provided with geotextile, one end of the geotextile is fixed at the top of the retaining dam, and the other end of the geotextile is compacted by the filling layer.

Further, a rock block cushion layer is arranged in the tidal area.

Further, the biological matrix nutrient soil comprises light porous rock, slag, ceramsite, fertilizer, water-retaining material and topsoil.

Further, the prefabricated panel layer is a concrete layer.

Furthermore, the retaining dam is composed of grouted stones, poured concrete and a gabion.

Furthermore, the side edge of the rock block cushion layer is a dike top, a safety guardrail is arranged on the dike top, and the safety guardrail is vertically arranged on the dike top.

Furthermore, the sections of the underwater bank slope area, the intertidal area and the overwater area are in a concave curve type.

The beneficial effects of the utility model reside in that: on the basis of a coast or island with much sand and lacking soil, pre-stressed pipe piles are driven into an underwater bank slope area and a tidal zone, a prefabricated panel, a filling layer and a gravel layer are arranged above the pre-stressed pipe piles, the filling layer provides a basic soil environment for plant growth, the underwater bank slope area is suitable for algae and phytoplankton growth, the tidal zone is suitable for coastal plant growth such as lianas and shrubs, a block stone cushion layer in an area above the tide can reduce the loss of near-shore sediments, soil is not easy to erode, vegetation is windproofed, silt is promoted, a bank protection dike is protected, a shoreline is stable, and a natural buffer zone in front of the dike is formed.

Drawings

Fig. 1 is an overall schematic view of the ecological bank protection structure of the sea island of the sandy soil-deficient coast of the present invention;

fig. 2 is a schematic view of an enlarged retaining dam structure of the ecological revetment structure of the sea island of the sandy soil-deficient coast;

reference numerals: 1. the ecological construction method comprises the following steps of (1) an underwater bank slope area, 2, a tidal space area, 3, an overwater area, 4, a rock stratum, 5, a flood flushing and laminating layer, 6, a deposition layer, 7, a prefabricated panel layer, 8, a filling layer, 81, a porous concrete layer, 82, biological matrix nutrient soil, 9, a gravel layer, 10, a prestressed tubular pile, 11, a retaining dam, 12, geotextile, 13, a rock block cushion layer, 14, a dyke top, 15 and a safety guardrail.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Please refer to fig. 1-2, the utility model provides an ecological bank protection structure of husky scarce native coast island under water, including bank slope district 1 under water, tidal zone 2 and tidal zone 3 bank slope district 1 and tidal zone 2 are equipped with lithosphere 4, towards flood lamination layer 5, sedimentary deposit 6, prefabricated panel layer 7, fill up layer 8 and gravel layer 9 by supreme down in proper order under water bank slope district 1 and tidal zone 3 run through in lithosphere 4, towards flood lamination layer 5 and the sedimentary deposit 6 have 3 prestressing force tubular piles 10, prestressing force tubular pile 10 top is located to prefabricated panel layer 7.

Specifically, the landfill layer 8 comprises porous concrete 81 and biological matrix nutrient soil 82.

Secondly, the porous concrete 81 is a honeycomb structure in which pores are uniformly distributed by coating a thin cement layer on the surface of a coarse aggregate and bonding the thin cement layer with each other, so that the porous concrete has the characteristics of air permeability, water permeability and light weight.

And a retaining dam 11 is arranged between the underwater bank slope area 1 and the intertidal area 2, and the retaining dam 11 is of a slope type.

The slope of retaining dam 11 is located tidal zone 2, and the perpendicular of retaining dam 11 is located bank slope district 1 under water, so set up, can guarantee that the deposit and the earth of tidal zone 2 are difficult for being washed into bank slope district 1 under water, guarantee that the growing environment of plant is not destroyed.

One side of the retaining dam 11 close to the tidal zone 2 is provided with geotextile 12, one end of the geotextile 12 is fixed at the top of the retaining dam 11, and the other end of the geotextile 12 is compacted by the filling layer 8. The retaining dam 11 is a first layer of protection, and the geotextile 12 is a second layer of protection, so that double protection is realized.

And a rock block cushion layer is arranged in the tidal area 3, so that the loss of near-shore sediments can be reduced.

The biological matrix nutrient soil 82 comprises light porous rock, slag, ceramsite, fertilizer, water-retaining material and topsoil.

The water-retaining material is a high molecular compound granule which is prepared from a strong water-absorbing resin and has super water-absorbing and water-retaining capacity.

The prefabricated panel layer 7 is a concrete layer which separates a rock layer, a flood-flushing lamination layer and a deposition layer on the coast or the island from a filled landfill layer and a gravel layer, so that on one hand, the original structures of the coast and the island are well protected; on the other hand, the filling layer 8 and the gravel layer 9 are better laid on the coast or the island, which is beneficial to the growth of plants.

The retaining dam 11 is composed of masonry, poured concrete and a gabion.

The side of the block stone cushion layer 13 is a dyke top 14, the dyke top 14 is provided with a safety guardrail 15, and the safety guardrail 15 is vertically arranged on the dyke top 14.

The sections of the underwater bank slope area 1, the intertidal area 2 and the overwater area 3 are in a concave curve type.

The utility model relates to an ecological shore protection structure of husky scarce native coast of many sands's installation as follows:

(1) Installing a prestressed pipe pile 10, sinking the pile, then piling, and cutting the pile after the pile sinking is in place;

(2) Laying a prefabricated panel layer 7 on the prestressed pipe pile 10 after pile cutting;

(3) Arranging a retaining dam 11 between the underwater bank slope area 1 and the intertidal zone 2, and laying geotextile 12;

(4) On the basis, a stacking and filling layer 8 and a gravel layer 9 are laid;

(5) A rock mat layer 13 is laid in the supratidal zone 3.

An initialized protective plant growth-facilitating structure is formed on fine sand of a coast or a sea island, the protective structure can prevent sea waves from eroding the coast to form stable and water-permeable soil, can effectively prevent soil under the protective structure from being eroded and washed away and lost, provides a basic soil environment for plant growth, and gradually increases the thickness of the plant growth-facilitating layer attached to the protective structure through the combined action of plant growth, plankton, algae and the like, thereby completing the growth and evolution of the initialized growth-facilitating structure, and gradually transitioning the fine sand landscape of plants which are difficult to grow on the coast or the sea island to the ecological vegetation landscape with plant coverage and plant-animal-microorganism symbiosis.

In the embodiment, the underwater bank slope area is suitable for the growth of algae plants and phytoplankton, and the intertidal area is suitable for the growth of coastal plants such as vines, shrubs and the like.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides an ecological shore protection structure of husky lack of soil coast sea island, is including bank slope district (1), intertidal zone (2) and tide-up zone (3) under water bank slope district (1) and intertidal zone (2) are all equipped with rock layer (4), towards flood deposit layer (5), sedimentary layer (6), prefabricated panel layer (7), landfill layer (8) and grit layer (9) by supreme down in proper order under water bank slope district (1) and the tide-up zone run through if intervene stress tubular pile (10) in rock layer (4), towards flood deposit layer (5) and sedimentary layer (6), it locates prestressing force tubular pile (10) top to prefabricate panel layer (7).

2. The coastal sea-island ecological revetment structure according to claim 1, wherein said landfill layer (8) comprises porous concrete (81) and bio-matrix nutrient soil (82).

3. The ecological revetment structure of a sea island of a sandy soil deficient coast according to claim 1, wherein a retaining dam (11) is provided in the middle of the underwater bank slope region (1) and the intertidal region (2), and the retaining dam (11) is of a slope type.

4. The ecological bank protection structure of sea island of sandy scarce soil coast as claimed in claim 3, wherein a geotextile (12) is provided on the side of the retaining dam (11) near the tidal zone (2), one end of the geotextile (12) is fixed on the top of the retaining dam (11), and the other end of the geotextile (12) is compacted by the landfill layer (8).

5. The ecological revetment structure of sea island of sandy soil deficient coast according to claim 1 wherein a bed of rock blocks (13) is provided in said supratidal zone (3).

6. The sandy soil-deficient coastal sea-island ecological revetment structure according to claim 1, wherein said prefabricated panel layer (7) is a concrete layer.

7. The ecological bank protection structure of sea island of sandy soil-deficient coast as claimed in claim 5, wherein the block stone cushion layer (13) is flanked by a bank top (14), a safety barrier (15) is provided at the bank top (14), and the safety barrier (15) is vertically installed on the bank top (14).

8. The ecological revetment structure of sea island of sandy soil deficient coast according to claim 1 wherein the cross section of said underwater bank slope area (1), intertidal area (2) and supratidal area (3) is concave curved.

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