CN218990048U - Mountain stream river structure considering river flood safety and ecological landscape - Google Patents
Mountain stream river structure considering river flood safety and ecological landscape Download PDFInfo
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- CN218990048U CN218990048U CN202223546020.8U CN202223546020U CN218990048U CN 218990048 U CN218990048 U CN 218990048U CN 202223546020 U CN202223546020 U CN 202223546020U CN 218990048 U CN218990048 U CN 218990048U
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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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- Y02A20/402—River restoration
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Abstract
The utility model discloses a mountain stream river channel structure considering river channel flood safety and ecological landscape, which comprises river channel revetments and reinforced gabions, wherein the two river channel revetments are respectively arranged at two sides of a mountain stream river channel, and the bottom of the mountain stream river channel is a riverbed sand pebble layer. The reinforced gabion is arranged in the mountain stream river channel and divides the mountain stream river channel into a ecological restoration area and a flood-driving area; the ecological restoration area comprises a bottom layer structure, wherein the bottom layer structure sequentially comprises a riverbed sandy pebble layer, a clay layer and a planting soil layer from bottom to top, and aquatic plants are planted on the planting soil layer; according to the utility model, the mountain stream river channel is divided into the ecological restoration area and the flood discharge area which are independent of each other through the reinforcement gabion, normal flood discharge of the river channel can be ensured through the flood discharge area, influence on the coastal area of the river channel is avoided, and the ecological environment can be realized through planting aquatic plants in the ecological restoration area, so that the ecological function of the mountain stream river channel can be effectively restored, and ecological damage to the mountain stream river channel is reduced.
Description
Technical Field
The utility model relates to the field of ecological landscapes of river channels, in particular to a mountain stream river channel structure considering river channel flood safety and ecological landscapes.
Background
Most of mountain stream river beds are sandy pebble strata, have strong permeability, and have outstanding characteristics that rise steeply and fall suddenly, river break in the dry period. The river bed is exposed in the dry period, so that the ecological environment of the river channel is influenced, few plants grow in the river channel, and the ornamental effect is poor.
In the past river course restoration and management, mainly from the perspective of security. The flood discharge capacity of the river course is restored by dredging, and hard revetments are built on two sides of the river course to prevent flood, so that influence caused by ecological environment around the river course is more prominent.
Along with the continuous enhancement of social and economic construction and ecological environmental awareness of people, the ecological function of the river channel is also increasingly emphasized.
Disclosure of Invention
The utility model aims to provide a mountain stream river structure which considers the river flood discharge safety and ecological landscape, combines the river flood discharge with ecological restoration, can realize the flood discharge problem of the river under the normal water level and can restore the ecological function of the river.
The utility model is realized by the following technical scheme:
a mountain stream river structure considering river flood safety and ecological landscape, comprising:
the river bank protection is respectively arranged at two sides of a mountain stream river, and the bottom of the mountain stream river is a river bed sand pebble layer;
the reinforced gabion is arranged in the mountain stream river channel and divides the mountain stream river channel into a ecological restoration area and a flood-driving area;
the ecological restoration zone includes:
the bottom layer structure sequentially comprises a riverbed sandy pebble layer, a clay layer and a planting soil layer from bottom to top, wherein aquatic plants are planted on the planting soil layer;
and the ecological pool concrete baffle is attached to one side of the reinforced gabion.
Further, the ecological restoration area further comprises a plurality of ecological pool concrete partitions, the ecological pool concrete partitions are arranged in the ecological restoration area at intervals and are perpendicular to the river trend of the mountain stream river channel, and the ecological pool concrete partitions divide the ecological restoration area into a plurality of ecological pools.
Specifically, a first end of the ecological pool concrete partition is connected with the river revetment, a second end of the ecological pool concrete partition is connected with the reinforced gabion, a through drain hole is formed in the ecological pool concrete partition, and the drain hole is arranged along the river trend of the mountain stream river and is communicated with two adjacent ecological pools;
the level of the substructure of the ecological pool located upstream is higher than the substructure of the ecological pool located downstream.
Specifically, the foundation of the reinforced gabion is positioned below the scouring depth of the mountain stream river;
the foundation of the ecological pool concrete baffle and the foundation of the ecological pool concrete partition are both positioned in the riverbed sandy pebble layer of the ecological restoration area, and the top of the reinforced gabion is higher than the tops of the ecological pool concrete baffle and the ecological pool concrete partition;
within the same ecological pool: the height of the ecological pool concrete baffle is consistent with the height of the ecological pool concrete partition, and the top of the ecological pool concrete baffle is higher than the highest point of the section river bed in the flood-passing area.
Specifically, the drain hole is positioned above the planting soil layer, and the drain hole is obliquely arranged, and the upstream end of the drain hole is higher than the downstream end of the drain hole;
the number of the drainage holes is multiple, and the drainage holes are sequentially arranged along the ecological pool concrete partition.
Specifically, the heights of the two sides of the flood discharge area are higher than the height of the middle part of the flood discharge area.
Optionally, river landscape stones are arranged on two sides of the flood discharge area, and the bottoms of the river landscape stones are arranged in the river bed sand pebble layer of the flood discharge area.
Specifically, the riverbed sandy pebble layer of the flood discharge area is higher than that of the ecological restoration area.
As one implementation mode, the thickness of the ecological pool concrete baffle is 10cm, and the height difference between the top of the ecological pool concrete baffle and the highest point of the section river bed in the flood-passing area is 30cm;
the thickness of the clay layer is 50cm, the compactness is 92%, the thickness of the planting soil layer is 30cm, and the compactness is 85%;
the distance between two adjacent ecological pool concrete partitions is 50m, the thickness of each ecological pool concrete partition is 20cm, the distance between each drain hole and the top of each ecological pool concrete partition is 20cm, the distance between two adjacent drain holes is 1m, and the diameter of each drain hole is 20cm.
Optionally, the height difference between the two sides of the flood discharge area and the middle part of the flood discharge area is 50 cm-80 cm, the grain size of the river landscape stone is 80 cm-100 cm, and the height of the reinforced gabion exceeds the flood level elevation required by river design.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
according to the utility model, the mountain stream river channel is divided into the ecological restoration area and the flood discharge area which are independent of each other through the reinforcement gabion, normal flood discharge of the river channel can be ensured through the flood discharge area, influence on the coastal area of the river channel is avoided, and the ecological environment can be realized through planting aquatic plants in the ecological restoration area, so that the ecological function of the mountain stream river channel can be effectively restored, and ecological damage to the mountain stream river channel is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 is a schematic cross-sectional view of a mountain stream river structure in consideration of river flood safety and ecological landscape according to the present utility model.
Fig. 2 is a top view of a mountain stream river structure in consideration of river flood safety and ecological landscape according to the present utility model.
Fig. 3 is a schematic structural view of an ecological pool concrete partition according to the present utility model.
Fig. 4 is a longitudinal sectional view of an ecological pool according to the present utility model.
Reference numerals: 1-river bank protection, 2-reinforced gabions, 3-ecological pool concrete partitions, 4-aquatic plants, 5-ecological pool concrete baffles, 6-riverbed sandy pebble stratum, 7-clay layer, 8-planting soil layer, 9-river landscape stone and 10-drainage holes.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and embodiments, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model.
It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Embodiments of the present utility model and features of the embodiments may be combined with each other without conflict. The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As shown in fig. 1 and 2, a mountain stream river structure considering river flood safety and ecological landscape comprises a river bank protection 1 and a reinforced gabion 2.
The river revetment 1 can adopt the existing hard revetments at the present stage, the two river revetments 1 are respectively arranged at two sides of a mountain stream river, and the bottom of the mountain stream river is a river bed sand pebble layer 6. The reinforced gabion 2 is arranged in the mountain stream river channel and divides the mountain stream river channel into a ecological restoration area and a flood-passing area.
The flood-passing area is used as a main flood-passing area to realize a water flow channel under the normal water level; the ecological restoration area restores the environment of the river channel under the normal water level and restores the ecological function of the river channel.
The ecological restoration area comprises a bottom layer joint and an ecological pool concrete baffle 5.
The bottom layer structure is from bottom to top in proper order riverbed sand pebble layer 6, clay layer 7 and planting soil layer 8, plants aquatic plant 4 on the planting soil layer 8, realizes aquatic plant 4's planting demand through setting up clay layer 7 and planting soil layer 8 promptly to realize the environment restoration through planting aquatic plant 4.
The ecological pool concrete baffle 5 is attached to one side of the reinforced gabion 2, and the ecological pool concrete baffle 5 has water blocking performance, so that water in an ecological restoration area can be ensured not to flow away through the reinforced gabion 2, and the growth environment of the aquatic plants 4 is maintained.
As shown in fig. 3 and 4, in general, the mountain stream river has a relatively large specific drop, and in order to ensure the environment in the ecological restoration area, a plurality of ecological pool concrete partitions 3 are provided, the plurality of ecological pool concrete partitions 3 are disposed in the ecological restoration area at intervals, and the ecological restoration area is partitioned into a plurality of ecological pools by the plurality of ecological pool concrete partitions 3.
The ecological pool concrete partition 3 is thus perpendicular to the river course of the mountain stream river, and the first end of the ecological pool concrete partition 3 is connected with the river bank protection 1, and the second end of the ecological pool concrete partition 3 is connected with the reinforced gabion 2.
In order to realize that the flowing ecological pool concrete partition 3 of the water flow is provided with a through drain hole 10, the drain hole 10 is arranged along the river trend of the mountain stream river channel and communicated with two adjacent ecological pools. The drain hole 10 is positioned above the planting soil layer 8, the drain hole 10 is obliquely arranged, and the upstream end of the drain hole 10 is higher than the downstream end of the drain hole 10; the number of the drainage holes 10 is plural, and the drainage holes are sequentially arranged along the ecological pool concrete partition 3.
The bottom layer structure of the ecological pool positioned at the upstream is higher than that of the ecological pool positioned at the downstream, and the planting soil layer 8 of each ecological pool is arranged to be a horizontal structure, so that planting and soil and water conservation are facilitated.
When the ecological restoration area and the flood-passing area are separated, the foundation of the reinforced gabion 2 is positioned below the scouring depth of the mountain stream river so as to avoid being washed away.
And in the same way, the foundations of the ecological pool concrete baffle 5 and the ecological pool concrete partition 3 are both positioned in the riverbed sandy pebble layer 6 of the ecological restoration area, the stability of the ecological pool concrete baffle 5 and the ecological pool concrete partition 3 is increased, and the adjacent ecological pool concrete baffles 5 and the ecological pool concrete partition 3 are connected through steel bars.
In the same ecological pool: the height of the ecological pool concrete baffle 5 is consistent with the height of the ecological pool concrete partition 3, and the top of the ecological pool concrete baffle 5 is higher than the highest point of the section river bed in the Yu Hanghong area. The top of the reinforced gabion 2 is higher than the tops of the ecological pool concrete baffle 5 and the ecological pool concrete partition 3. And each ecological pool is convenient for independent water retention.
And a dredging mode is adopted to comb the river flood-passing area, so that the middle of the river flood-passing area is low, the two sides of the river flood-passing area are high, and water flow is kept to pass through the middle of the river flood-passing area. So that the height of the two sides of the flood discharge area is higher than that of the middle part of the flood discharge area. River course view stone 9 is arranged to the both sides of flood discharge district, and the bottom of river course view stone 9 sets up in the riverbed sand pebble layer 6 of flood discharge district. The foundation of the river landscape stone 9 is buried to a certain depth, so that flood is prevented from flushing, the scour resistance of the river revetment 1 and the reinforced gabion 2 is improved, and the landscape effect is improved.
In addition, the riverbed sand pebble layer 6 of the flood passing area is higher than the riverbed sand pebble layer 6 of the ecological restoration area, namely, part of the riverbed sand pebbles of the ecological restoration area are dug out during construction.
Example two
The present embodiment provides a specific operating dimension.
The river channel flood-discharging area is combed in a dredging mode, so that the middle of the river channel flood-discharging area is low, the two sides of the river channel flood-discharging area are high, the height difference between the two sides of the river channel flood-discharging area and the middle of the river channel flood-discharging area is 50 cm-80 cm, and water flow is kept to pass through the middle of the river channel flood-discharging area, so that the height of the reinforced gabion 2 exceeds the flood level height required by river channel design.
River landscape stones 9 are respectively arranged at the left side and the right side of the flood area, and the grain size of the river landscape stones 9 is 80 cm-100 cm. The foundation of the river landscape stone 9 is buried to a certain depth, so that the river landscape stone is not flushed by flood.
And constructing an ecological pool concrete baffle 5 between the ecological restoration area on the other side of the reinforced gabion 2 and the reinforced gabion 2, wherein the thickness of the ecological pool concrete baffle 5 is 10cm, so that water in the ecological pool can not flow away through the reinforced gabion 2. The height of the ecological pool concrete baffle 5 is not more than the top surface of the reinforced gabion 2 and is 30cm higher than the highest point of the river bed of the same cross section of the flood zone, and the foundation is embedded in the river bed sand pebble layer 6.
And (3) paving a layer of clay above the riverbed sand pebble layer 6 in the ecological restoration area, wherein the thickness is 50cm, rolling compaction is carried out, and the compactness is 92%, so that a clay layer 7 is obtained.
Planting soil with the thickness of 30cm and the compactness of 85% is paved on the clay layer 7, and a planting soil layer 8 is obtained.
The mountain stream river has larger specific drop, an ecological pool concrete partition 3 is arranged every 50m, the thickness is 20cm, and C20 concrete is adopted. The height of the ecological pool concrete partition 3 is consistent with that of the ecological pool concrete baffle 5 at the same position.
And a drainage hole 10 is arranged at a position which is 20cm below the top of the ecological pool concrete partition 3 at intervals of 1m, and the diameter of the drainage hole 10 is 20cm so as to facilitate drainage.
In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the present application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above-described utility model will be apparent to those of skill in the art, and are still within the scope of the utility model.
Claims (10)
1. Consider river course flood safety and ecological landscape's mountain stream river course structure, a serial communication port includes:
the river bank protection device comprises river bank protection (1), wherein two river bank protection (1) are respectively arranged on two sides of a mountain stream river, and a river bed sand pebble layer (6) is arranged at the bottom of the mountain stream river;
a reinforced gabion (2) which is arranged in the mountain stream river channel and divides the mountain stream river channel into a biological restoration area and a flood area;
the ecological restoration zone includes:
the bottom layer structure sequentially comprises a riverbed sandy pebble layer (6), a clay layer (7) and a planting soil layer (8) from bottom to top, wherein aquatic plants (4) are planted on the planting soil layer (8);
and the ecological pool concrete baffle (5) is attached to one side of the reinforced gabion (2).
2. The mountain stream river structure considering river course flood safety and ecological landscape as claimed in claim 1, wherein said ecological restoration zone further comprises a plurality of ecological pool concrete partitions (3), a plurality of said ecological pool concrete partitions (3) are arranged in said ecological restoration zone at intervals and are perpendicular to the river direction of said mountain stream river, and a plurality of said ecological pool concrete partitions (3) divide said ecological restoration zone into a plurality of ecological pools.
3. The mountain stream river structure considering river course flood safety and ecological landscape according to claim 2, wherein a first end of the ecological pool concrete partition (3) is connected with the river course revetment (1), a second end of the ecological pool concrete partition (3) is connected with the reinforced gabion (2), a penetrating drain hole (10) is formed in the ecological pool concrete partition (3), and the drain hole (10) is arranged along the river trend of the mountain stream river course and is communicated with two adjacent ecological pools;
the level of the substructure of the ecological pool located upstream is higher than the substructure of the ecological pool located downstream.
4. A mountain stream river structure taking into account river course flood safety and ecological landscape as claimed in claim 3, wherein the foundation of said reinforced gabion (2) is located below the flushing depth of said mountain stream river;
the foundations of the ecological pool concrete baffle (5) and the ecological pool concrete partition (3) are both positioned in a riverbed sandpebble layer (6) of the ecological restoration area, and the top of the reinforced gabion (2) is higher than the tops of the ecological pool concrete baffle (5) and the ecological pool concrete partition (3);
within the same ecological pool: the height of the ecological pool concrete baffle (5) is consistent with the height of the ecological pool concrete partition (3), and the top of the ecological pool concrete baffle (5) is higher than the highest point of the section river bed in the flood-passing area.
5. A mountain stream river structure taking into account river course flood safety and ecological landscape according to claim 4, characterized in that said drain holes (10) are located above said planting soil layer (8) and said drain holes (10) are arranged obliquely, the upstream ends of said drain holes (10) being higher than the downstream ends of said drain holes (10);
the number of the drainage holes (10) is multiple, and the drainage holes are sequentially arranged along the ecological pool concrete partition (3).
6. The mountain stream river structure taking into account river course flood safety and ecological landscape as claimed in claim 1, wherein the height of both sides of said flood discharge zone is higher than the height of the middle part of said flood discharge zone.
7. The mountain stream river structure considering river course flood safety and ecological landscape as claimed in claim 6, wherein river course landscape stones (9) are arranged on two sides of the flood discharge area, and the bottoms of the river course landscape stones (9) are arranged in the river bed sand pebble layer (6) of the flood discharge area.
8. A mountain stream river structure taking into account river course flood safety and ecological landscape as claimed in claim 7, wherein said river bed sand pebble layer (6) of said flood discharge zone is higher than said river bed sand pebble layer (6) of said ecological restoration zone.
9. The mountain stream river structure considering river course flood safety and ecological landscape as claimed in claim 4, wherein the thickness of the ecological pool concrete baffle (5) is 10cm, and the height difference between the top of the ecological pool concrete baffle (5) and the highest point of the section river bed in the flood zone is 30cm;
the thickness of the clay layer (7) is 50cm, the compactness is 92%, the thickness of the planting soil layer (8) is 30cm, and the compactness is 85%;
the distance between two adjacent ecological pool concrete partitions (3) is 50m, the thickness of each ecological pool concrete partition (3) is 20cm, the distance between each drain hole (10) and the top of each ecological pool concrete partition (3) is 20cm, the distance between two adjacent drain holes (10) is 1m, and the diameter of each drain hole (10) is 20cm.
10. The mountain stream river structure considering river course flood safety and ecological landscape as claimed in claim 8, wherein the height difference between two sides of the flood discharge area and the middle part of the flood discharge area is 50 cm-80 cm, the grain size of the river course landscape stone (9) is 80 cm-100 cm, and the height of the reinforced gabion (2) exceeds the flood level elevation required by river course design.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546020.8U CN218990048U (en) | 2022-12-28 | 2022-12-28 | Mountain stream river structure considering river flood safety and ecological landscape |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223546020.8U CN218990048U (en) | 2022-12-28 | 2022-12-28 | Mountain stream river structure considering river flood safety and ecological landscape |
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| CN202223546020.8U Active CN218990048U (en) | 2022-12-28 | 2022-12-28 | Mountain stream river structure considering river flood safety and ecological landscape |
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