CN113430986A - Aquatic ecological protection structure suitable for river and lake water body environment treatment and construction method - Google Patents
Aquatic ecological protection structure suitable for river and lake water body environment treatment and construction method Download PDFInfo
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- CN113430986A CN113430986A CN202110570627.0A CN202110570627A CN113430986A CN 113430986 A CN113430986 A CN 113430986A CN 202110570627 A CN202110570627 A CN 202110570627A CN 113430986 A CN113430986 A CN 113430986A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 16
- 239000004575 stone Substances 0.000 claims description 23
- 238000012856 packing Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 11
- 239000004570 mortar (masonry) Substances 0.000 claims description 10
- 239000004746 geotextile Substances 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 6
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims description 6
- 230000012010 growth Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 210000002221 olecranon process Anatomy 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003911 water pollution Methods 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 5
- 230000008635 plant growth Effects 0.000 abstract description 4
- 238000007634 remodeling Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 52
- 230000000694 effects Effects 0.000 description 5
- 238000009991 scouring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses an aquatic ecological protection structure suitable for river and lake water environment treatment and a construction method, belonging to the technical field of water pollution treatment. The water distribution channel is arranged along the side slope of the river channel, the river channel is subjected to seepage prevention and ecological treatment, the depth of the water body of the river and the lake can be manually controlled, partial ecological engineering measures are adopted, plant measures can be combined, not only can the bank be protected and the slope be protected, the seepage prevention and the water and soil loss are reduced, but also harmful substances such as N, P in the water body can be removed by utilizing the growth of plants, the water quality is purified by biological treatment measures, the pollution is eliminated, the ecological remodeling of the water environment of the river and the lake is facilitated, and a good living environment is created for the biological diversity of the river.
Description
Technical Field
The invention relates to the technical field of water pollution treatment, in particular to an aquatic ecological protection structure suitable for treating the water environment of rivers and lakes and a construction method.
Background
River and lake water pollution treatment is a major hot point in current ecological civilization construction, and if slope protection and water pollution treatment measures are not adopted, the problems of large water and soil loss, seepage, water pollution and the like can exist. If a large amount of hard landscapes are left by adopting traditional stone masonry and concrete slope protection treatment, the landscape is not beautiful and is difficult to be inconsistent with the surrounding environment, a channel for connecting plants with the surrounding environment is blocked, and landscape benefit and ecological benefit are poor. Once the river channel or the water body is polluted, if the traditional means such as medicament spraying and the like are adopted to treat the symptoms and the root causes, the effect is not lasting, and new environmental pollution is easily caused. Therefore, a novel ecological protection structure for treating water pollution of rivers and lakes is urgently needed.
Disclosure of Invention
In order to overcome the defects brought by the prior concrete slope protection for treating the water environment, the invention aims to solve the technical problems that: the water ecological protection structure is stable in structure, attractive in style, capable of manually controlling the water level to meet the requirement of the water depth for growth of the aquatic plants, and good in ecological effect and environmental benefit.
The technical scheme adopted by the invention for solving the technical problems is as follows:
aquatic ecological protection structure suitable for river lake water body environment is administered, including setting up the inoxidizing coating of water distribution channel and river course bottom on river course bank slope, the water distribution channel is built by laying bricks or stones to arrange along the river course side slope, one side that the water distribution channel is close to the river course is equipped with the drain, the inoxidizing coating includes from down barrier layer, packing layer and the overburden of up laying in proper order down.
Furthermore, a gravel cushion layer is arranged between the water distribution channel and the foundation, and the side of the water distribution channel far away from the river channel and the side slope of the river channel are backfilled through earth and stone.
Further, the inner wall of the water distribution channel is coated with C10 mortar, the top of the water distribution channel is provided with a bluestone cover plate, and a C20 concrete layer is arranged around the water outlet.
Furthermore, the water outlet is of an olecranon type structure, and a water outlet gate is arranged in the water outlet.
Furthermore, the water discharge ports are arranged at intervals along the water distribution channel, and the height of each water discharge port is the same as the normal water level of the corresponding river channel position.
Further, the impermeable layer comprises two geotextiles and an HDPE smooth film sandwiched between the two geotextiles.
Furthermore, the packing layer is a gravel pack, the thickness of the gravel pack is not less than 0.2m, and the particle size of the gravel pack is 3-40 mm.
Further, the covering layer is planting soil with the thickness not less than 0.2m, and plant blocking stones are arranged in the river channel at intervals along the width direction of the river channel.
The construction method of the aquatic ecological protection structure suitable for river and lake water body environment treatment comprises the following steps:
a. excavating a foundation along a river slope, paving a gravel cushion layer, and then bricking a water distribution channel on the gravel cushion layer;
b. laying a bluestone cover plate on the water distribution channel, constructing and reserving a water discharge port and a water discharge gate, and performing mortar plastering on the inner wall of the mortar stone;
c. backfilling earth and stone squares around the water distribution channel to form an integrated structure between the water distribution channel and the surrounding soil body;
d. tamping plain soil on the foundation of the river channel, wherein the compaction degree is more than or equal to 93%;
e. an impermeable layer, a packing layer and a covering layer are sequentially laid at the bottom of the river channel, wherein the impermeable layer is of a structure that two layers of geotextiles sandwich a layer of HDPE (high-density polyethylene) light face film, the packing layer is gravel filler, the thickness of the gravel filler is not less than 0.2m, the particle size of the gravel is 3-40mm, and the covering layer is planting soil with the thickness of not less than 0.2 m;
f. irrigating water into the river channel through the water distribution channel, the water discharge port and the artificial gate, then planting emergent aquatic plants and floating-leaf plants on a covering layer in the river channel, and performing daily maintenance management.
Further, in order to prevent the mutual interference between the growth of partial emergent aquatic plants, plant blocking stones are arranged in the shallow water transition area of the river channel at intervals along the width direction of the river channel in advance before laying a covering layer if necessary.
The invention has the beneficial effects that: the water distribution channel is arranged along the side slope of the river channel, the river channel is subjected to seepage prevention and ecological treatment, the depth of the water body of the river and the lake can be manually controlled, partial ecological engineering measures are adopted, plant measures can be combined, not only can the bank be protected and the slope be protected, the seepage prevention and the water and soil loss are reduced, but also harmful substances such as N, P in the water body can be removed by utilizing the growth of plants, the water quality is purified by biological treatment measures, the pollution is eliminated, the ecological remodeling of the water environment of the river and the lake is facilitated, and a good living environment is created for the biological diversity of the river.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the detailed structure of the water-proof port of the water distribution channel.
Marked in the figure as 1-distribution canal, 2-impermeable layer, 3-filler layer, 4-covering layer, 5-plant barrier stone, 11-water outlet, 12-gravel cushion layer, 13-earth-rock square, 14-C10 mortar coating, 15-green stone cover plate, 16-C20 concrete layer and 17-water drain gate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the aquatic ecological protection structure suitable for treating the water environment of rivers and lakes provided by the invention comprises a water distribution channel 1 arranged on a bank slope of a river channel and a protection layer arranged at the bottom of the river channel, wherein the water distribution channel 1 is built by bricks and is arranged along the side slope of the river channel, a water discharge port 11 is arranged on one side of the water distribution channel 1 close to the river channel, and the protection layer comprises an impermeable layer 2, a packing layer 3 and a covering layer 4 which are sequentially laid from bottom to top. The water distribution channel 1 is arranged along a river course, the flow direction of the water distribution channel is the same as that of the river course, and the upstream of the water distribution channel 1 can be connected with a water source or a manual gate. The water distribution channel 1 can play firm effect on the river course side slope on the one hand, and water in the river course on the other hand mainly supplements through the water distribution channel 1 to can control the water level in the river course. The protective layer has the main functions of performing anti-seepage treatment and ecological treatment on the river channel, reducing water and soil loss and facilitating plant growth, thereby removing harmful substances such as N, P in the water body and promoting ecological remodeling of the water environment of the river and the lake. Simultaneously, compare the stereoplasm view that current stone masonry, concrete bank protection formed, the scheme of this application also has more view benefit and ecological benefit.
For the water distribution channel 1, in order to ensure the structural stability of the water distribution channel, a broken stone cushion layer 12 is arranged between the water distribution channel 1 and the foundation, so that the conditions of cracking and the like of the water distribution channel 1 caused by foundation settlement can be avoided. Backfill compaction is carried out between one side of the water distribution channel 1 far away from the river channel and the side slope of the river channel through the earth and stone square 13, so that a mutual supporting structure can be formed between the water distribution channel 1 and the side slope, and the stability of the side slope and the water distribution channel 1 is facilitated. C10 mortar is applied to the inner wall of the water distribution channel 1 to form a surface 14, so that certain seepage prevention and scouring resistance effects can be achieved, and water body loss is avoided. The top of the water distribution channel 1 is provided with a bluestone cover plate 15, so that the stability of the opening is ensured, and the conditions of collapse and the like are avoided.
For the water discharge, 11, a C20 concrete layer 16 is arranged around the water discharge opening 11, and because the water flow scouring at the water discharge opening 11 is strong, the stability of the water discharge opening 11 can be ensured by adopting concrete with higher strength. As shown in fig. 2, the water outlet 11 is preferably of an olecranon type structure, i.e. the front section is a straight section, and the rear section is a downward inclined section, so that the drainage of water flow is facilitated, and the flushing effect on the water outlet 11 and the river channel is reduced. In order to manage the water level, a water discharge gate 17 is provided in the water discharge port 11.
Furthermore, as the riverway is possibly stepped according to actual conditions, in order to realize the control of water levels at all positions, the water discharge ports 11 comprise a plurality of water discharge ports which are arranged at intervals along the water distribution channel 1, the height of each water discharge port 11 is the same as the normal water level of the corresponding riverway position, and the mode can realize the control of the water levels of different sections of the riverway.
For the impermeable layer 2, the scheme adopted in the application is that the impermeable layer 2 comprises two layers of geotextile and an HDPE smooth film sandwiched between the two layers of geotextile. The packing layer 3 is a gravel filler, the thickness of the gravel filler is not less than 0.2m, and the particle size of the gravel is 3-40 mm. The covering layer 4 is planting soil with the thickness not less than 0.2m, and plant barrier stones 5 are arranged in the river channel at intervals along the width direction of the river channel. Wherein, impermeable layer 2 can solve the problem such as river lake water infiltration, and packing layer 3 can guarantee impermeable layer 2 and the stability of the overburden 4 of top on the one hand, and on the other hand is favorable to permeating water and the growth of plant, and overburden 4 mainly provides the basis for vegetation. The plant separation stone 5 solves the problems of mutual influence and interference of growth of partial aquatic plants and the like, and ensures the stability and biological diversity of the wetland ecological structure.
The construction method of the aquatic ecological protection structure suitable for river and lake water body environment treatment comprises the following steps:
a. excavating a foundation along a river slope, paving a gravel cushion layer, and then bricking a water distribution channel on the gravel cushion layer;
b. laying a bluestone cover plate on the water distribution channel, constructing and reserving a water discharge port and a water discharge gate, and performing mortar plastering on the inner wall of the mortar stone;
c. backfilling earth and stone squares around the water distribution channel to form an integrated structure between the water distribution channel and the surrounding soil body;
d. tamping plain soil on the foundation of the river channel, wherein the compaction degree is more than or equal to 93%;
e. an impermeable layer, a packing layer and a covering layer are sequentially laid at the bottom of the river channel, wherein the impermeable layer is of a structure that two layers of geotextiles sandwich a layer of HDPE (high-density polyethylene) light face film, the packing layer is gravel filler, the thickness of the gravel filler is not less than 0.2m, the particle size of the gravel is 3-40mm, and the covering layer is planting soil with the thickness of not less than 0.2 m;
f. irrigating water into the river channel through the water distribution channel, the water discharge port and the artificial gate, then planting emergent aquatic plants and floating-leaf plants on a covering layer in the river channel, and performing daily maintenance management.
Further, in order to prevent the mutual interference between the growth of partial emergent aquatic plants, plant blocking stones are arranged in advance in the shallow water transition area of the river channel at intervals along the width direction of the river channel before the covering layer is laid if necessary. The ecological form of emergent aquatic plants and floating plants is adopted, the water exchange and regulation between land and water areas are fully considered, the non-point source pollution is effectively blocked, harmful substances such as N, P and the like can be absorbed and removed by the growth of the plants, the water quality can be purified, the ecological remodeling of the water environment of rivers and lakes is facilitated, a good living environment is created for the biological diversity of rivers, the ecological benefit of the environment is obviously improved, and the ecological form has good landscape benefit, ecological benefit, environmental benefit and social benefit.
Claims (10)
1. Aquatic ecological protection structure suitable for river lake water body environmental management, characterized by: including setting up the inoxidizing coating of water distribution channel (1) and river course bottom on river course bank slope, water distribution channel (1) is built by laying bricks or stones by the brick body and is formed to arrange along the river course side slope, one side that water distribution channel (1) is close to the river course is equipped with drain (11), the inoxidizing coating includes from down barrier layer (2), packing layer (3) and overburden (4) of up laying in proper order.
2. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 1, which is characterized in that: a gravel cushion layer (12) is arranged between the water distribution channel (1) and the foundation, and backfilling is carried out between one side, far away from the river channel, of the water distribution channel (1) and the side slope of the river channel through a soil-stone square (13).
3. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 2, which is characterized in that: the inner wall of the water distribution channel (1) is a C10 mortar plastering surface (14), the top of the water distribution channel is provided with a bluestone cover plate (15), and a C20 concrete layer (16) is arranged around the water discharge port (11).
4. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 1, which is characterized in that: the water outlet (11) is of an olecranon type structure, and a water outlet gate (17) is arranged in the water outlet (11).
5. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 4, which is characterized in that: the water discharge ports (11) are arranged at intervals along the water distribution channel (1), and the height of each water discharge port (11) is the same as the normal water level of the corresponding river channel position.
6. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 1, which is characterized in that: the impermeable layer (2) comprises two layers of geotextile and an HDPE smooth film sandwiched between the two layers of geotextile.
7. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 1, which is characterized in that: the packing layer (3) is a gravel filler, the thickness of the gravel filler is not less than 0.2m, and the particle size of the gravel is 3-40 mm.
8. An aquatic ecological protection structure suitable for treating the water environment of rivers and lakes according to claim 1, which is characterized in that: the covering layer (4) is planting soil with the thickness not less than 0.2m, and plant blocking stones (5) are arranged in the river channel at intervals along the width direction of the river channel.
9. The construction method of the aquatic ecological protection structure suitable for river and lake water body environment treatment is characterized by comprising the following steps:
a. excavating a foundation along a river slope, paving a gravel cushion layer, and then bricking a water distribution channel on the gravel cushion layer;
b. laying a bluestone cover plate on the water distribution channel, constructing and reserving a water discharge port and a water discharge gate, and performing mortar plastering on the inner wall of the mortar stone;
c. backfilling earth and stone squares around the water distribution channel to form an integrated structure between the water distribution channel and the surrounding soil body;
d. tamping plain soil on the foundation of the river channel, wherein the compaction degree is more than or equal to 93%;
e. an impermeable layer, a packing layer and a covering layer are sequentially laid at the bottom of the river channel, wherein the impermeable layer is of a structure that two layers of geotextiles sandwich a layer of HDPE (high-density polyethylene) light face film, the packing layer is gravel filler, the thickness of the gravel filler is not less than 0.2m, the particle size of the gravel is 3-40mm, and the covering layer is planting soil with the thickness of not less than 0.2 m;
f. irrigating water into the river channel through the water distribution channel, the water discharge port and the artificial gate, then planting emergent aquatic plants and floating-leaf plants on a covering layer in the river channel, and performing daily maintenance management.
10. The construction method of aquatic ecological protection structure suitable for river and lake water body environmental management as claimed in claim 9, characterized in that: in order to prevent the mutual interference between the growth of partial emergent aquatic plants, plant blocking stones are arranged at intervals along the width direction of the river channel in the shallow water transition region of the river channel before the covering layer is laid if necessary.
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| CN202110570627.0A CN113430986A (en) | 2021-05-25 | 2021-05-25 | Aquatic ecological protection structure suitable for river and lake water body environment treatment and construction method |
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| CN202110570627.0A CN113430986A (en) | 2021-05-25 | 2021-05-25 | Aquatic ecological protection structure suitable for river and lake water body environment treatment and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644403A (en) * | 2022-03-28 | 2022-06-21 | 浙江天源网业有限公司 | Water-saving emission-reducing farmland irrigation system capable of preventing underground water and river from being polluted |
| CN117125832A (en) * | 2023-08-28 | 2023-11-28 | 中国建筑第二工程局有限公司 | River and lake water ecological protection structure and construction method |
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Cited By (4)
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| CN114644403A (en) * | 2022-03-28 | 2022-06-21 | 浙江天源网业有限公司 | Water-saving emission-reducing farmland irrigation system capable of preventing underground water and river from being polluted |
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| CN117125832A (en) * | 2023-08-28 | 2023-11-28 | 中国建筑第二工程局有限公司 | River and lake water ecological protection structure and construction method |
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Application publication date: 20210924 |