CN218842992U - Ecological slope protection structure for channel - Google Patents
Ecological slope protection structure for channel Download PDFInfo
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- CN218842992U CN218842992U CN202222627200.2U CN202222627200U CN218842992U CN 218842992 U CN218842992 U CN 218842992U CN 202222627200 U CN202222627200 U CN 202222627200U CN 218842992 U CN218842992 U CN 218842992U
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Abstract
The utility model discloses an ecological slope protection structure for a channel, which comprises a second-level ecological gentle slope, a catch basin, a waterfront footpath, a concrete coping, a first-level hard-built slope protection and a concrete toe guard which are arranged in sequence from high to low; mud wells are arranged in the intercepting ditches at intervals; drainage concealed pipes are arranged at the lower part of the waterfront footpath at intervals; the primary hard-built slope protection comprises a backfill soil layer, a gravel layer and geotextile, wherein a layer of honeycomb cells is arranged on the geotextile above the normal water line and is fixed through a fixing anchor rod; a layer of interlocking bricks is arranged on the lower part; drainage ditches are arranged in the middle of the first-stage hard-built slope protection at intervals; the mud well, the drainage hidden pipe and the drainage ditch are connected in the first position, the arrangement intervals are the same, and the bottom of the drainage ditch is connected to the bottom of the ditch. The utility model discloses a combine engineering and ecological environment organically, both accomplished to purify ground runoff and improve channel quality of water, created the condition for land growth and aquatic animal and plant growth again, also satisfied the needs in the aspect of ecology, view simultaneously.
Description
Technical Field
The utility model relates to a channel bank protection field especially relates to an ecological slope protection structure for channel.
Background
In order to prevent water flow from scouring and eroding the channel bank, reduce the damage of surface runoff to the bank slope and maintain the stability of the channel bank, the domestic channel generally adopts the structural form of traditional hard pavement bank protection, such as grouted masonry or dry masonry slope protection, cast-in-place (prefabricated) concrete block slope protection and the like.
In addition, the current water environment treatment problem draws more and more social attention, the existing slope protection structure has single function, the ecological environment and the humanistic environment of a channel are not considered, and the more serious environmental problem is brought. The urgent need is to seek an effective channel slope protection structure, which can prevent the channel bank from resisting the scouring and the erosion of channel water and ground runoff, ensure the normal exchange between the channel water body and the underground water in the side slope, even consider the growth of terrestrial and aquatic animals and plants, improve the channel water quality and realize the ecological and landscape functions.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem lies in providing an ecological slope protection structure for channel to the defect among the prior art, satisfying the channel beach and stablizing and preventing under the fierce evolution prerequisite at the bottom of the canal, can purify ground runoff and improve channel quality of water, can be for the growth of plant and the perching creation condition of animal again, make engineering and ecological environment well fuse, satisfy the needs in the aspect of ecology, view.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an ecological slope protection structure for channel, this structure setting is in the top at the bottom of the canal, has set gradually from high to low: a secondary ecological gentle slope, a catch basin, a waterfront footpath, a concrete coping, a primary hard-built slope protection and a concrete toe guard; wherein:
a secondary ecological gentle slope on which plants including arbors and shrubs are planted;
the intercepting ditch is internally provided with rainwater grates and is provided with mud wells at intervals;
the waterfront footpath is of a watertight structure, and the lower part of the waterfront footpath is provided with drainage concealed pipes at intervals;
the primary hard-built slope protection is sequentially provided with a backfill soil layer, a gravel layer and geotechnical cloth from bottom to top, and is divided into an upper part and a lower part through a normal water line; arranging a layer of honeycomb cells on the geotextile above the normal water level and fixing the honeycomb cells by fixing anchor rods; arranging a layer of interlocking bricks on the geotextile below the normal water level line; drainage ditches are arranged in the middle of the first-stage hard-built slope protection at intervals;
the mud trap, the drainage concealed pipe and the drainage ditch are connected in the first position, the arrangement intervals are the same, and the bottom of the drainage ditch is connected to the bottom of the channel.
According to the technical scheme, the gradient of the secondary ecological gentle slope is 1:3, and the horizontal width is not less than 3m.
According to the technical scheme, the width of the outer part of the intercepting ditch is 50cm, and the height of the outer part is 40cm; the height of the groove is 30cm, and the width of the groove is 30cm; the upper part of the intercepting ditch is provided with a rainwater grate; setting mud wells at intervals of 30-35 m on the intercepting ditches; the mud settling space at the lower part of the mud settling well is 20-40 cm.
According to the technical scheme, the width of the waterfront footpath is 1.5-2 m, and drainage concealed pipes are arranged at intervals of 30-35 m below the waterfront footpath; the drainage concealed pipe is communicated with the upper part of the mud trap of the intercepting ditch; the material of the drainage concealed pipe is C25 concrete.
According to the technical scheme, the height of the concrete top is 30-40 cm, the width is 20-30 cm, and the grade of the concrete is not lower than C25; the height of the concrete foot protector is 75-85 cm, the width is 75-85 cm, and the grade of the concrete is not lower than C25.
According to the technical scheme, the slope of the first-level hard-built protection slope is 1:2, and the horizontal width is not less than 6m.
According to the technical scheme, the height of the honeycomb cells is 10cm, the side wall thickness is 2mm, the honeycomb cells are provided with holes and firmly connected, and the honeycomb cells are firmly fixed on the primary hard-built revetment by using fixing anchor rods; filling breeding soil in the honeycomb cells, and planting turf and shrubs on the breeding soil; the fixed anchor rods are arranged in a quincunx mode, the arrangement interval is 300mm multiplied by 400mm, the fixed anchor rods are made of reinforcing steel bars, the specification is 12-14 mm in diameter, and the length is 500-600 mm.
According to the technical scheme, the interlocking bricks are prefabricated, the material is concrete C25, the thickness is 10cm, and the interlocking bricks are fastened mutually; aquatic plants are planted on the interlocking bricks.
According to the technical scheme, the backfill soil layer adopts cohesive soil which contains 10-35% of clay grains, has a plasticity index of 7-20, does not contain silt and humus, has a layered backfill thickness of not more than 30cm and a compaction degree of not less than 0.95; the crushed stone layer is graded crushed stone with the thickness of 10cm; the geotextile is not less than 30cm when penetrating into the concrete for pressing the top, is not less than 30cm when penetrating into the concrete for protecting the feet, and has the mass of not less than 200g per square meter.
According to the technical scheme, drainage ditches are arranged on the primary hard-built protection slope at intervals of 30-35 m, the upper parts of the drainage ditches are connected with drainage concealed pipes, and the lower parts of the drainage ditches are connected with the canal bottoms of the channels; the upper structure of the drainage ditch is the same as that of the intercepting ditch, and the lower structure of the drainage ditch is in a splayed row opening form; the drainage ditch is made of C25 concrete.
The utility model discloses the beneficial effect who produces is:
1. the utility model can replace the existing impervious hardened slope, organically combine engineering and environment, and solidify organic matters, heavy metals and other pollutants on the bank by using land and aquatic plants on a second-level ecological gentle slope and a first-level hard-built slope protection; when ground runoff exists, the land and aquatic plants on the secondary ecological gentle slope and the primary hard-built slope protection can store part of the ground runoff, and pollutants such as organic matters, heavy metals and the like in the ground runoff can be filtered, so that the pollution of the ground runoff to the water quality of the channel is reduced.
2. The second grade ecological gentle slope, cut-off ditch, mud sinking well, drainage hidden pipe and the organic combination of escape canal let the rivers velocity of flow of the surface runoff of second grade ecological gentle slope and above greatly reduced, alleviate the washing away of surface runoff to the canal bank, ensure the safety and stability of canal bank.
3. The primary hard-built slope protection ensures normal exchange with the underground water of the canal bank through the gravel layer, the geotextile, the honeycomb cells and the interlocking bricks, and ensures the stability of the soil body of the canal bank; the honeycomb cells (containing fixed anchor rods) and the interlocking bricks can stabilize the ditch and bank soil layer and can plant terrestrial and aquatic plants on the ditch and bank soil layer; the terrestrial and aquatic plant of planting can be through the fixed canal bank of root system, can alleviate the washing away of ground runoff to the canal bank through the velocity of flow that reduces ground runoff again, ensures the safety and stability of canal bank.
4. The land and aquatic plants of the secondary ecological gentle slope and the primary hard-built slope protection also provide habitat for land and aquatic animals, and great ecological benefit is generated.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a portion of the one-stage hard-masonry revetment above a normal water level line according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a portion of the first-level hard-laid slope protection below the normal water level line according to the embodiment of the present invention;
in the figure, 1, a second-level ecological gentle slope, 2, a catch basin, 3, a waterfront footpath, 4, concrete coping, 5, a drainage concealed pipe, 6, a first-level hard-built slope protection, 7, a drainage ditch, 8, a backfill soil layer 9, a gravel layer, 10, geotextile, 11, a honeycomb grid chamber, 12, a fixed anchor rod, 13, a locking brick, 14, a concrete protection foot, 15, a canal bottom, A, a section of the first-level hard-built slope protection above a normal water line, and B, a section of the first-level hard-built slope protection below the normal water line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-3, the ecological slope protection structure for a channel provided by the present invention is sequentially arranged from high to low into a secondary ecological gentle slope 1, a catch basin 2, a waterfront footpath 3, a concrete coping 4, a primary hard-built slope protection 6 and a concrete toe guard 14; a secondary ecological gentle slope 1 on which plants such as arbors, shrubs and the like are planted; the intercepting ditch 2 is provided with rainwater grates and is provided with mud wells at intervals; the waterfront footpath 3 is of a watertight structure, and the lower part of the waterfront footpath is provided with drainage concealed pipes 5 at intervals; the primary hard-built revetment 6 is sequentially arranged from bottom to top, and comprises a backfill soil layer 8, a gravel layer 9, geotextile 10, honeycomb cells 11 (containing fixed anchor rods 12) and interlocking bricks 13, and drainage ditches 7 are arranged at intervals; the honeycomb cells 11 are positioned above the normal water level, and the interlocking bricks 13 are positioned below the normal water level; the mud trap, the drainage concealed pipe 5 and the drainage ditch 7 are connected in an ending way, the arrangement intervals are the same, and the drainage ditch is finally connected into the channel 15.
Further, the slope of the secondary ecological gentle slope 1 is 1:3, the horizontal width is not smaller than 3m, and the horizontal width is 3m in the embodiment; plants such as arbors and shrubs are planted on the secondary ecological gentle slope.
Further, the external width of the intercepting drain 2 is 50cm, and the external height is 40cm; the height of the groove is 30cm, and the width of the groove is 30cm; the upper part of the intercepting drain is provided with a rainwater grate; mud wells are arranged on the intercepting ditches at intervals of 30-35 m, and the interval of 30m is selected in the embodiment; the mud settling space at the lower part of the mud settling well is 20-40 cm, and the mud settling space of 30cm is selected in the embodiment.
Further, the width of the waterfront footpath 3 is 1.5-2 m, and the width of the waterfront footpath is 2m in the embodiment; drainage concealed pipes 5 are arranged at intervals of 30-35 m below the waterfront footpath, and the interval of 30m is selected in the embodiment; the drainage concealed pipe 5 is communicated with the upper part of the mud trap of the intercepting ditch 4; a drainage hidden pipe with the specification of DN300 and made of C25 concrete.
Further, the height of the concrete coping 4 is 30-40 cm, the width is 20-30 cm, the mark number of the concrete is not lower than C25, and the height of the concrete coping is 30cm, the width is 20cm and the mark number of the concrete is C25.
Further, the slope of the first-level hard-masonry protection slope 6 is 1:2, the horizontal width is preferably not less than 6m, and the horizontal width of the first-level hard-masonry protection slope is 6m.
Further, the primary hard protection is sequentially arranged from bottom to top in the position 6, namely a backfill soil layer 8, a gravel layer 9, a geotextile 10, a honeycomb cell 11 (comprising a fixed anchor rod 12) and a linkage brick 13.
Furthermore, the height of the honeycomb cells 11 is 10cm, the thickness of the side wall is 2mm, the honeycomb cells are provided with holes, the honeycomb cells need to be firm, and the honeycomb cells are firmly fixed on the first-level hard-built revetment by fixing anchor rods; filling breeding soil in the honeycomb cells, and planting turf and shrubs on the breeding soil; the fixed anchor rod 12 is arranged in a quincunx shape, the arrangement interval is 300mm 400mm, the material is a steel bar, the specification is 12-14 mm in diameter and 500-600 mm in length, and the diameter is 13mm and the length is 600mm for the fixed anchor rod in the embodiment.
Furthermore, the interlocking bricks 13 are prefabricated, are made of concrete C25 and have the thickness of 10cm, and are fastened with each other; aquatic plants are planted on the interlocking bricks.
Furthermore, the backfill soil layer 8 adopts cohesive soil with the content of sticky particles of 10-35 percent, the plasticity index of 7-20, no silt, humus soil and the like, the layered backfill thickness is not more than 30cm, and the compaction degree is not less than 0.95; graded broken stones with the thickness of 10cm are arranged in the broken stone layer 9; the geotextile 10 extends into the concrete coping 4 by not less than 30cm and extends into the concrete toe guard 14 by not less than 30cm, and the geotextile extends into the concrete coping and the concrete toe guard by 30cm in the embodiment; the mass of the geotextile is not less than 200 g/square meter.
Furthermore, drainage ditches 7 are arranged on the primary hard-built revetment 6 at intervals of 30-35 m, the upper parts of the drainage ditches are connected with drainage concealed pipes 5, the lower parts of the drainage ditches are connected with channels 15, and the drainage ditches are arranged at intervals of 30m in the embodiment; the upper structure of the drainage ditch is the same as that of the intercepting ditch, and the lower structure of the drainage ditch is in a splayed row opening form; the drainage ditch is made of C25 concrete.
Furthermore, the mud trap, the drainage concealed pipe and the drainage ditch are connected in an ending way, the arrangement intervals are the same, and the drainage ditch is finally connected into the channel 15.
Further, the height of the concrete foot protector 14 is 75-85 cm, the width is 75-85 cm, the mark number of the concrete is not lower than C25, and the height of the concrete foot protector is 80cm, and the width of the concrete foot protector is 80cm.
The utility model discloses a theory of operation as follows:
1. the utility model organically combines engineering and environment, and utilizes terrestrial and aquatic plants on the secondary ecological gentle slope and the primary hard-built slope to solidify pollutants such as organic matters, heavy metals and the like on the channel bank; when ground runoff exists, the land and aquatic plants on the secondary ecological gentle slope and the primary hard-built slope protection can store part of the ground runoff, and pollutants such as organic matters, heavy metals and the like in the ground runoff can be filtered, so that the pollution of the ground runoff to the water quality of the channel is reduced.
2. When the surface runoff is available, the flow velocity of the surface runoff is weakened layer by layer through the secondary ecological gentle slope, the intercepting ditch, the mud sinking well, the drainage hidden pipe and the drainage ditch, so that the scouring of the surface runoff on the channel bank can be greatly reduced, and the safety and the stability of the channel bank are ensured.
3. The primary hard-built slope protection ensures normal exchange with the underground water of the canal bank through the gravel layer, the geotextile, the honeycomb cells and the interlocking bricks, and ensures the stability of the soil body of the canal bank; the honeycomb cells (containing fixed anchor rods) and the interlocking bricks can stabilize the ditch and bank soil layer and can plant terrestrial and aquatic plants on the ditch and bank soil layer; the land and the aquatic plant of planting can be through the fixed canal bank of root system, can alleviate the washing away of ground runoff to the canal bank through the velocity of flow that reduces ground runoff again, ensure the safety and stability of canal bank.
4. The land and aquatic plants of the secondary ecological gentle slope and the primary hard-built slope protection also provide habitat for land and aquatic animals, and great ecological benefit is generated.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (9)
1. The utility model provides an ecological bank protection structure for channel which characterized in that, this structure setting is in the top of the canal bottom (15), has set gradually from high to low: a secondary ecological gentle slope (1), a catch basin (2), a shore Shui Budao (3), a concrete coping (4), a primary hard-built protection slope (6) and a concrete protection leg (14); wherein:
a secondary ecological gentle slope (1) on which plants including arbors and shrubs are planted;
the intercepting ditch (2) is internally provided with rainwater grates and is provided with mud sinking wells at intervals;
a shore Shui Budao (3) which is a watertight structure, and the lower part of the shore Shui Budao is provided with drainage concealed pipes (5) at intervals;
the primary hard-built slope protection (6) comprises a backfill soil layer (8), a gravel layer (9) and geotextile (10) which are sequentially arranged from bottom to top, and the primary hard-built slope protection (6) is divided into an upper part and a lower part through a normal water line; a layer of honeycomb cells (11) is arranged on the geotextile (10) above the normal water line and is fixed by a fixing anchor rod (12); arranging a layer of interlocking bricks (13) on the geotextile (10) below the normal water level; drainage ditches (7) are arranged in the primary hard-built revetment (6) at intervals;
the mud well, the drainage concealed pipe (5) and the drainage ditch (7) are connected at the first position, the arrangement intervals are the same, and the bottom of the drainage ditch (7) is connected to the ditch bottom (15) of the channel.
2. The ecological slope protection structure for channels of claim 1, wherein the secondary ecological gentle slope (1) has a slope of 1:3 and a horizontal width of not less than 3m.
3. The ecological slope protection structure for channels according to claim 1, wherein the intercepting drain (2) has an outer width of 50cm and an outer height of 40cm; the height of the groove is 30cm, and the width of the groove is 30cm; the upper part of the intercepting drain (2) is provided with a rainwater grate; setting mud wells at intervals of 30-35 m on the intercepting ditches; the mud settling space at the lower part of the mud settling well is 20-40 cm.
4. The ecological slope protection structure for the channel according to claim 1, wherein the width of the shore Shui Budao (3) is 1.5-2 m, and drainage concealed pipes (5) are arranged at intervals of 30-35 m below the waterfront footpath; the drainage concealed pipe (5) is communicated with the upper part of the mud sinking well of the intercepting ditch (2); the material of the drainage hidden pipe (5) is C25 concrete.
5. The ecological slope protection structure for channels of claim 1, wherein the concrete coping (4) has a height of 30-40 cm, a width of 20-30 cm, and a concrete mark number of not less than C25; the height of the concrete foot protector (14) is 75-85 cm, the width is 75-85 cm, and the mark number of the concrete is not lower than C25.
6. The ecological slope protection structure for channels of claim 1, wherein the slope of the primary hard-built slope protection (6) is 1:2 and the horizontal width is not less than 6m.
7. The ecological slope protection structure for channels according to claim 1, wherein the height of the honeycomb cells (11) is 10cm, the thickness of the side wall is 2mm, and the honeycomb cells (11) are firmly connected with each other and have holes, and the honeycomb cells (11) are firmly fixed on the primary hard-built slope protection (6) by fixing anchor rods (12); the honeycomb cells (11) are filled with culture soil, and turf and shrubs are planted on the culture soil; the fixed anchor rods (12) are arranged in a quincunx mode, the arrangement interval is 300mm x 400mm, the fixed anchor rods are made of reinforcing steel bars, the diameter is 12-14 mm, and the length is 500-600 mm.
8. The ecological slope protection structure for channels of claim 1, wherein the interlocking bricks (13) are prefabricated, the material is concrete C25, the thickness is 10cm, and the interlocking bricks (13) are fastened with each other; aquatic plants are planted on the interlocking bricks (13).
9. The ecological slope protection structure for channels according to claim 1, wherein drainage ditches (7) are arranged at intervals of 30-35 m on the primary hard-built slope protection (6), the upper parts of the drainage ditches (7) are connected with drainage concealed pipes (5), and the lower parts of the drainage ditches are connected with channel bottoms (15); the upper structure of the drainage ditch (7) is the same as that of the intercepting ditch (2), and the lower structure of the drainage ditch is in a splayed row opening form; the drainage ditch (7) is made of C25 concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222627200.2U CN218842992U (en) | 2022-09-28 | 2022-09-28 | Ecological slope protection structure for channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222627200.2U CN218842992U (en) | 2022-09-28 | 2022-09-28 | Ecological slope protection structure for channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218842992U true CN218842992U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222627200.2U Active CN218842992U (en) | 2022-09-28 | 2022-09-28 | Ecological slope protection structure for channel |
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| CN (1) | CN218842992U (en) |
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- 2022-09-28 CN CN202222627200.2U patent/CN218842992U/en active Active
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