CN115075184B - Urban inland river curved river erosion protection shore structure layout and construction method - Google Patents
Urban inland river curved river erosion protection shore structure layout and construction method Download PDFInfo
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Classifications
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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
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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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
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
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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
- 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
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Structural Engineering (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Revetment (AREA)
Abstract
The invention discloses a layout and construction method of an urban inland river curved river erosion-protection bank structure, which spatially divides a river into a sand-stagnation and siltation carbon sink greening area (I), a water and soil conservation and bank fixation erosion-protection area (II) and a slow-flow slope protection garden leisure decoration area (III); the sand-stagnation and siltation carbon sink greening area (I) is positioned at the convex bank of the river channel, and the hydraulic kinetic energy is weakened by planting filtered aquatic weeds, wet shrubs and water-resistant trees, so that the functions of detention, energy buffering and siltation are achieved on upstream water flow; the water and soil conservation shore fixing corrosion prevention area (II) is positioned at the position of the sand-stagnation siltation carbon fixation greening area (I) opposite to the shore river channel concave side, and the slope protection corrosion prevention building blocks are arranged to resist hydraulic flushing, so that the water flow is protected from water, wave cutting and corrosion prevention; the slow flow slope protection garden leisure decoration area (III) is positioned between two adjacent sand-stagnation and siltation carbon sink greening areas (I) on one side of a river channel or between two adjacent water and soil conservation shore-fixing corrosion prevention areas (II) on the other side of the river channel, and a leisure space is created for the river shore by configuring landscape flowers and trees and garden small products.
Description
Technical Field
The invention belongs to the technical field of urban landscaping and river environment treatment and construction, and mainly relates to a layout and construction method of an urban inland river curved river erosion protection bank structure.
Background
Curved rivers are widely found in urban rivers and have two typical characteristics: the tortuous profile and the dynamic characteristics of the serpentine peristalsis. In nature, curved rivers tend to include concave and convex banks.
The impact force of the water flow flowing in the curves in the river channel on the concave bank is large, the erosion is severe, and the damage to the vegetation and soil on the bank side can be brought; on the other hand, the impact force on the convex bank is smaller, the water flow speed is reduced, the effect on the vegetation and soil on the bank is shown as siltation, sediment can be deposited increasingly, and the space is wider and wider. Therefore, in the municipal engineering of the curved river, scientific planning and reasonable treatment can be carried out according to different orientations of the river and according to the hydraulic engineering principle according to local conditions so as to promote the influence of the hydraulic evolution of the urban inland river on the nature to the minimum extent, and the urban inland river is a resource which can be utilized by people.
The traditional river course treatment technology relates to pollutant control (such as CN101293722A, CN 101948213B) of urban inland river, a river bank embankment ecological landscape protection system (such as CN114108558A, CN 202111410289), an urban inland river water quantity and quality improvement or optimization regulation method (CN 110598936A, CN111333197A, CN 111815498A) and the like, and aims at linear river, and has fewer technical documents of river bank treatment and ecological construction aiming at curved river, which brings practical difficulties to ecological treatment and environmental protection of the urban inland river curved river. Especially, in recent years, people have become more and more aware of natural protection and ecology, green mountain construction, harmony between pursuit and nature are increasingly performed, and ecological restoration type river banks with functions of biodiversity protection and water and soil conservation are mainly constructed, and ecological restoration, beautification, environmental protection and the like are increasingly valued and promoted. On the premise of not affecting the natural ecological function of the river bank, the ecological environment protection and the creation of a beautiful natural landscape are taken into consideration, the curved river bank which is easily affected by human interference and waterpower is restored into a friendly zone where the ecology of the water body and the soil body are mutually dependent and the water body and the biology are mutually beneficial, and the water landscape of the water body and the water body can be created for people to create and maintain a clean water environment and simultaneously create a beautiful and pleasant and leisure Kang Yang water landscape.
Disclosure of Invention
The invention aims to: the invention aims to solve the technical problem of providing a layout and construction method of an urban inland curved river erosion protection bank structure aiming at the defects of the existing curved river ecological management technology.
In order to solve the technical problems, the invention discloses a layout and construction method of an urban inland river curved river erosion-protection bank-protection structure, which spatially divides a river into a sand-stagnation and siltation carbon sink greening area, a water-soil conservation and bank-fixing erosion-protection area and a slow-flow slope protection garden leisure and decoration area.
The sand-stagnation siltation carbon sink greening area is positioned at the convex bank of the river channel, and water flow scouring force is weak; the water and soil conservation shore fixing corrosion prevention area is positioned at the concave shore of the coastal river channel of the sand-stagnation siltation carbon fixation greening area, and the water flow scouring force is strong; the slow flow slope protection garden leisure and decoration area is a transition area, and is positioned between two adjacent sand-stagnation and siltation carbon sink greening areas on one side of the river channel or between two adjacent water and soil conservation and shore fixation anti-corrosion areas on the other side of the river channel.
The sand-stagnation and siltation carbon sink greening area is used for planting filtered aquatic plants, wet shrubs and water-resistant trees, so that hydraulic kinetic energy is weakened, the functions of detention, energy buffering and siltation on upstream water flow are achieved, and meanwhile carbon fixation capacity of river wetlands is improved.
Specifically, the filtered water plants are reed PHRAGMITES AUSTRALIS, the wet shrubs are any one or a combination of a plurality of bearberry wood Cornus amomum, cornus walteri Cornus racemosa, inclined Shemu Cornus obliqua, each other Shemu Cornus alternifolia and European red swiss Cornus sanguinea, and the water-resistant arbor is any one or a combination of two of Chinese cypress Glyptostrobus pensilis and larch Taxodium distichum.
Specifically, the filtered aquatic plants are planted in a strip mode from the water surface of the river bank to the outside (namely, planted in the direction of a or b) in parallel to the water flow direction, the density is 80-100 plants/m 2, the width is 1-15 m, the filtered aquatic plants are distributed in a lower crescent shape, the chord length can be roughly calculated by using the formula chord length= Rsin θ, wherein R is the radius, and a is the central angle of a water channel; the wet shrubs are planted on the periphery of the reed belts (i.e. planted in the direction of a or b), the top of the wet shrubs are nearly trapezoidal, the length of the upper bottom is equal to the chord length of the reed belts, the lower bottom is a connecting line at the tail ends of two waists, the waist length is 4-8 m, the length of the lower bottom covers two convex edges, the row spacing of planted plants is 1m multiplied by 1.5m, and the width is 4-8 rows; the water-tolerant arbor is planted in a band shape next to the wet shrub, the plant row spacing is 2m multiplied by 3m, and the width extends to the periphery (namely, extends to the direction of a or b); the woodland is winded and paved with a woodland landscape road according to the curvature of the river, the width is 1.5-2 m, the road surface of the woodland landscape road is an asphalt concrete base layer, and the thickness of the base layer is 15-20 cm.
The water and soil conservation shore fixing anti-corrosion area is provided with a slope protection anti-corrosion building block from a normal water level to the top of the shore fixing slope protection slope so as to resist hydraulic flushing, prevent the collapse of the shore slope and play roles in cutting waves and preventing corrosion of water flow.
Specifically, the raw material of the slope protection anticorrosion building block is water-permeable concrete, the appearance of the finished product is groove-shaped, the slope protection anticorrosion building block comprises a first wall, a second wall, an inner groove and a bottom ridge, the inner groove is positioned between the first wall and the second wall, and the bottom ridge is positioned below the second wall.
Specifically, the revetment corrosion protection building blocks are built in a staggered peak manner and are embedded with each other, namely, the bottom ridges of the upper revetment corrosion protection building blocks are embedded into the inner grooves of the lower revetment corrosion protection building blocks, and the inner grooves of the top revetment corrosion protection building blocks are filled with soil for planting any one or a combination of wet raw grass and grass of weeping forsythia, jasminoides, costustoot and trachelospermum, and simultaneously, ecological space is built by combining geotechnical measures.
Specifically, the geotechnical measures means that a protective fence and a permeable garden embankment are arranged on the slope top of the fixed bank protection slope; the protective fence consists of an upper rod, a lower rod and a support, wherein the upper rod and the lower rod are distributed in parallel; the support is connected with the upper rod and the lower rod, the base part is protruded through the lower rod for 30cm at intervals of 2-3 m, four perforations are uniformly arranged at the 5cm position of the tail end, and the ground surface fixing device is connected.
Specifically, the earth surface fixer comprises circular wall and base, and circular wall fixed orifices is left around the circular wall, and the base is the torus, and the base inner ring is connected to circular wall lower extreme, and the base outer ring is outside the base inner ring, evenly distributed base fixed orifices on the base, fix on the concrete road surface of river bank earth surface through the extension screw of matcing.
Wherein, the slow flow slope protection gardens leisure and decoration area creates a fresh and cool leisure space for the river bank through configuration of colorful landscape flowers and trees and garden small products.
Specifically, the landscape flowers and trees are any one or a combination of a plurality of snowflake, spiraea, cotton rose, hibiscus, brocade with flowers, peony gardenia, mountain hemp stems and dwarf Bignonia, and are planted according to a plant-row spacing sheet-like mixed Chinese character 'pin'; the garden small article is any one or the combination of a plurality of log benches, leisure swings, fashion grass houses and imitation wood grain steps.
Specifically, the raw material of the log bench is water fir, the upright post of the leisure swing is pagodatree, the material of the fashion grass house is straw, and the material of the wood grain-like step stone is concrete.
The beneficial effects are that: compared with the prior art, the invention has the following advantages:
(1) The ecological requirements of plants in different ecological niches are fully considered by comprehensively applying the principles of botanic, ecology and hydraulics, and conditions are created for the habitat survival and biological function exertion of different plants through the pattern division and plant selection according to local conditions, so that a green barrier for ecological conservation and erosion resistance of the urban river is constructed, and the urban curved river is promoted to be stable and continuous and ecological health;
(2) The application has the advantages that the consistent practice of structural singleness, plant simplification and slope hardening existing in the urban river treatment process is abandoned, the river bank vegetation and the slope protection structure are properly laid according to local conditions based on the hydraulic characteristics and the dynamics theory of the urban curved river, and the ecological environment is created for the survival of green plants on the urban river bank on the premise of ensuring the soil fixation and corrosion prevention functions of the curved river, so that the stability of the biological diversity of the urban water bank is maintained, the carbon sink function of the water bank is improved, and the diversification of the ecological functions of the urban water source area is realized;
(3) In the aspect of functional layout, the construction of the river bank landscape is emphasized, a fresh and pleasant rest space is provided for urban residents while the stability and ecological safety of the river channels in the city are ensured, the actual requirements that people love naturally, approach naturally and enjoy naturally are met, and the strategic ideas based on people are embodied.
Therefore, the invention adapts to the requirements of ecological improvement and landscape promotion of the urban curved river in the current urban process through careful design and plant configuration, so as to meet the actual requirements of urban gardens on environmental improvement and river bank treatment diversification. A multi-structure, multifunctional and garden river bank vegetation protection belt is constructed for the curved river channel, flood disasters are effectively resisted, river bank pollution erosion is relieved, and meanwhile, a leisure, hydrophilic and healthy water bank landscape is constructed, so that the river bank vegetation protection belt has the remarkable characteristics of ecology, disaster reduction, green supplementing and sink increasing.
Drawings
FIG. 1 is a schematic diagram of a layout of a curved river protection bank structure of an urban inland river;
FIG. 2 is a cross-sectional view of a design of a water and soil conservation, shore fixation and corrosion prevention area of a curved river of an urban inland river;
FIG. 3 is a cross-sectional view of a revetment erosion block;
FIG. 4 is a side view of a revetment erosion block;
FIG. 5 is a schematic view of the stacking and embedding of the revetment erosion-resistant blocks;
FIG. 6 is a schematic diagram of a guard rail structure;
FIG. 7 is a schematic view of a guard rail holder.
Wherein: a sand-stagnating silted carbon sink greening area I, a water and soil conservation and fixation anti-corrosion area II, a slow flow slope protection garden leisure and decoration area III, filtered aquatic grass 1, wet shrubs 2, water-resistant arbor 3, a shadow landscape road 4, slope protection anti-corrosion building blocks 5, a first wall 51, a second wall 52, an inner groove 53, a bottom ridge 54, a wet grass pot 6, a guard rail 7, an upper rod 71, a lower rod 72, a support 73, a water permeable garden embankment 8, a perforation 9, a fixer 10, a circular wall 101, a circular wall fixing hole 102, a base 103, a base fixing hole 104, a base inner ring 105 and a base outer ring 106
Detailed Description
The foregoing and/or other advantages of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings and detailed description.
As shown in figure 1, a curved river channel of an urban inland river is firstly spatially divided into a sand-stagnation and siltation carbon sink greening area I, a water and soil conservation and shore fixation corrosion prevention area II and a leisure and decoration area III of a river slope protection garden.
The sand-stagnation and energy-retarding carbon sink greening area I is positioned at the convex bank of the river course, the water flow scouring force is weak, the hydraulic kinetic energy is weakened by densely planting filtered aquatic weeds, wet shrubs and water-tolerant trees, the functions of detention, energy retarding and energy accumulation are achieved on upstream water flow, and the carbon fixing capacity of the river wetland is improved; the water and soil conservation shore fixing corrosion prevention area II is positioned at the concave side of the coastal river channel of the sand-stagnation, siltation and carbon fixation greening area I, the water flow scouring force is strong, the use of the slope protection corrosion prevention building blocks 5 resists the water flushing, prevents the collapse of the bank slope, has the functions of cutting waves and preventing corrosion on the water flow, and simultaneously provides a hydrophilic, quiet and pleasant ecological space for people by combining with the use of geotechnical measures; the slow flow slope protection garden leisure and decoration area III is a transition area, is positioned between two adjacent sand-stagnation and siltation carbon sink greening areas I on one side of a river channel or between two adjacent water and soil conservation and shore fixation corrosion prevention areas II on the other side of the river channel, and creates a fresh and cool leisure space with four seasons viewing for the river shore by configuring colorful landscape flowers and trees and garden small products.
The filtered pasture and water 1 planted in the sand-stagnation carbon sink greening area I is monocotyledonous plant reed, the monocotyledonous plant reed is planted in sequence from the water facing surface of the river bank to the outside, the strip-shaped close planting is performed in parallel to the water flow direction (namely planting in the direction of a or b), the density is 80-100 plants/m 2, the width is 1-15 m, the filter pasture and water are distributed in a lower crescent shape, and the chord length can be roughly calculated by using the formula chord length= Rsin θ, wherein R is the radius, and a is the central angle of a water channel. The wet shrub 2 is planted with bearberry, cornus, inclined Shemu, each other Shemu and European red swiss, is planted on the periphery of the filtering aquatic weed 1 consisting of monocotyledonous reed (i.e. planted in the direction of a or b), is nearly trapezoidal in plan view, has the upper bottom length equal to the chord length of the reed strip, has the lower bottom of a connecting line at the two waist length ends, has the waist length of 4-8 m, has the lower bottom length covering the two convex edges, and has the row spacing of 1m multiplied by 1.5m and has the width of 4-8 rows; the water-tolerant arbor 3 is planted with Chinese cypress and larch, the wet shrub 2 is planted in a strip shape, the plant row spacing is 2m multiplied by 3m, the width extends to the periphery (namely extends to the direction of a or b), the woodland is naturally paved with a woodland landscape channel 4, the width is 1.5-2 m, the pavement is an asphalt concrete base layer, and the thickness of the base layer is 15-20 cm.
As shown in fig. 2 to 5, in the water and soil conservation and shore fixation corrosion prevention area ii, the "open-end" type revetment corrosion prevention blocks 5 are built by staggering peaks from the normal water level, and are embedded into the top of the shore fixation and shore protection, i.e. the bottom ridges of the upper revetment corrosion prevention blocks are embedded into the inner grooves of the lower revetment corrosion prevention blocks. The slope protection anticorrosion building block 5 is made of water-permeable concrete, has a groove-shaped finished product, has a length of 50-55 cm and a cross section of a '' shape, and comprises a first wall 51, a second wall 52, an inner groove 53 and an inner groove 53, wherein the widths of the first wall 51, the second wall 52 and the bottom ridge 54 and the width of the inner groove 53 are 10cm, and the heights of the first wall 51, the second wall 52 and the bottom ridge 54 and the depth of the inner groove 53 are 10cm so as to be embedded with each other. The top of the slope protection anticorrosion block 5 is filled with soil in an inner groove 53 for planting wet grass and grass douches 6 such as weeping forsythia, jasminum, costustoot, and curbstone.
As shown in fig. 6, geotechnical measures such as a protective fence 7, a permeable garden embankment 8 and the like are arranged on the slope top of the slope fixing revetment, the protective fence 7 consists of an upper rod 71, a lower rod 72 and a support 73, the protective fence 7 is made of 304 hollow stainless steel, is cylindrical, has the outer diameter of 6cm and the wall thickness of 2-3 mm, the upper rod 71 and the lower rod 72 are distributed in parallel, the shape is corrugated, and the protective fence can be extended infinitely; the support 73 is 1.2-1.8 m high, connects the upper and lower two poles, the base part passes through the lower pole 72 every 2-3 m support 73 and protrudes 30cm, four 6mm perforations 9 are uniformly arranged around the 5cm position at the top end and are used for connecting and fixing the fixer 10 at a proper position on the ground surface.
As shown in FIG. 7, the fixer 10 comprises a circular wall 101 and a base 103, wherein the circular wall 101 is 10-15 cm in height, 6cm in inner diameter and 2-3 mm in wall thickness, fixing holes 102 are reserved on the periphery, and the aperture is 1-1.2 cm; the base 103 is a torus with the thickness of 3-4 mm, the lower end of the torus wall 101 is connected with the base inner ring 105, the base outer ring 106 is arranged outside the base inner ring 105, the diameter is 10-12 cm, the base 103 is uniformly distributed with fixing holes 104 with the aperture of 1-1.2 cm, and the fixing holes are fixed on the concrete pavement of the river bank ground surface through matched lengthening screws.
And a colorful landscape flower and tree and garden small products are arranged in the slow-flow slope protection garden leisure decoration area III, so that a fresh and cool leisure space with four seasons' viewing prospect is created for the river bank. The landscape flower and tree consists of snowflake, spiraea, cotton rose, shrubalthea, brocade, tree peony, hemp stem, dwarf Bignonia, etc. and is planted according to the plant-row spacing of 1m x 2m in the shape of sheet mixed Chinese character 'pin', to form the four-season flower nursery. Gardens small article includes log bench, leisure swing, fashion grass house, imitative grain step stone etc. lay at slow flow bank protection gardens leisure and affix district III at random to satisfy peripheral resident's demand of recreation. Wherein, the raw material of the log stool is sequoia, the upright post material of the leisure swing is pagodatree, the material of the fashion grass house is straw, and the material of the wood grain imitation step stone is base concrete.
The invention provides a thought and a method for realizing a city inland river ecological viewing bank protection structure, and the method and the way for realizing the technical scheme are a plurality of methods, the above is only a preferred embodiment of the invention, and it should be pointed out that a plurality of improvements and modifications can be made by a person with ordinary skill in the art without departing from the principle of the invention, and the improvements and modifications are also regarded as the protection scope of the invention. The components not explicitly described in this embodiment can be implemented by using the prior art.
Claims (3)
1. A layout and construction method of an urban inland river curved river erosion-protection shore protection structure is characterized in that a river is spatially divided into a sand-stagnation and siltation carbon sink greening area (I), a water and soil conservation shore-fixing erosion-protection area (II) and a slow-flow slope protection garden leisure decoration area (III);
wherein, the sand-stagnation and siltation carbon sink greening area (I) is positioned at the convex bank of the river channel;
The water and soil conservation shore fixing corrosion prevention area (II) is positioned at the concave side of the river channel opposite to the sand stagnation and siltation carbon fixation greening area (I);
The slow flow slope protection garden leisure and decoration area (III) is a transition area and is positioned between two adjacent sand-stagnation and siltation carbon sink greening areas (I) on one side of the river channel or between two adjacent water and soil conservation and shore fixation anti-corrosion areas (II) on the other side of the river channel;
Wherein, the sand-stagnation siltation carbon sink greening area (I) is planted with a filtering aquatic weed (1), a wet shrub (2) and a water-resistant arbor (3); wherein the filtered water grass (1) is reed, the wet shrub (2) is any one or a combination of a plurality of bearberry cornus, cornus walteri, inclined Shemu, each other Shemu and European red sweepstakes, and the water-resistant arbor (3) is any one or two of Chinese cypress and larch;
Specifically, the filtered aquatic weed (1) is planted from the coastal water surface to the outside in parallel to the water flow direction; the wet shrubs (2) are planted on the periphery of the reed belts; planting water-resistant arbor (3) next to the wet shrubs (2); lin Jian laying a shadow landscape road (4);
Specifically, the planting density of the filtered aquatic weed (1) is 80-100 plants/m 2, the width is 1-15 m, the filtered aquatic weed is distributed in a lower crescent shape, the chord length is calculated by using the formula chord length= Rsin θ, wherein R is a radius, and a is a central angle of a water channel; the length of the upper bottom of the wet raw shrub (2) is equal to the chord length of the reed strip, the length of the lower bottom is a connecting line at the tail ends of two waists, the waist length is 4-8 m, the length of the lower bottom covers two convex edges, the row spacing of the plant is 1m multiplied by 1.5m, and the width is 4-8 rows; the water-resistant arbor (3) is planted according to the plant row spacing of 2m multiplied by 3 m; the width of the shadow landscape road (4) is 1.5-2m, the pavement of the shadow landscape road is an asphalt concrete base layer, and the thickness of the base layer is 15-20 cm;
wherein, the water and soil conservation shore fixing corrosion prevention area (II) is provided with a revetment corrosion prevention building block (5) from the normal water level to the top of the shore fixing revetment;
Specifically, the raw material of the slope protection anti-corrosion building block (5) is water-permeable concrete, the appearance of a finished product is groove-shaped, the cross section of the finished product is ' ' n ' -shaped, the slope protection anti-corrosion building block (5) comprises a first wall (51), a second wall (52), an inner groove (53) and a bottom ridge (54), the inner groove (53) is positioned between the first wall (51) and the second wall (52), and the bottom ridge (54) is positioned below the second wall (52);
Specifically, the inner groove (53) at the top of the slope protection corrosion-resistant building block (5) is filled with soil and is used for planting any one or a combination of wet grass-growing irrigation (6) of weeping forsythia, jasminum, elecampane and collateral stones, and simultaneously, ecological space is constructed by combining geotechnical measures; the geotechnical measures are that a protective fence (7) and a permeable garden embankment (8) are arranged on the slope top of the fixed bank protection slope;
Wherein, the slow flow slope protection garden leisure decoration area (III) creates leisure space for river banks by configuring landscape flowers and trees and garden small products; the landscape flowers and trees are any one or a combination of a plurality of snowflake, spiraea, cotton rose, hibiscus, chinaroot greenbrier, peony gardenia, mountain hemp stems and dwarf campania; the garden small article is any one or the combination of a plurality of log benches, leisure swings, fashion grass houses and imitation wood grain steps.
2. The method for arranging and constructing the urban inland river curved river erosion protection shore structure according to claim 1, wherein the guard rail (7) consists of an upper rod (71), a lower rod (72) and a support (73), and the upper rod (71) and the lower rod (72) are distributed in parallel; the support (73) connects the upper rod (71) and the lower rod (72), the base support (73) penetrates through the lower rod (72), four through holes (9) are uniformly formed in the tail end of the base support, and the base support is fixed on the ground surface through the ground surface fixing device (10).
3. The urban inland river curved river erosion protection shore structure layout and construction method according to claim 2, wherein the surface fixator (10) is composed of a circular wall (101) and a base (103), circular wall fixing holes (102) are reserved around the circular wall (101), the base (103) is a circular ring body, the lower end of the circular wall (101) is connected with a base inner ring (105), the outer part of the base inner ring (105) is a base outer ring (106), base fixing holes (104) are uniformly distributed on the base (103), and the base is fixed on a concrete pavement of the river shore surface through screws.
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