CN108951548B - Adjustable flashboard type ecological revetment body and revetment structure adopting same - Google Patents

Adjustable flashboard type ecological revetment body and revetment structure adopting same Download PDF

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Publication number
CN108951548B
CN108951548B CN201811132024.7A CN201811132024A CN108951548B CN 108951548 B CN108951548 B CN 108951548B CN 201811132024 A CN201811132024 A CN 201811132024A CN 108951548 B CN108951548 B CN 108951548B
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China
Prior art keywords
revetment
ecological
clamping plate
cardboard
rear side
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CN201811132024.7A
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CN108951548A (en
Inventor
徐俊锋
马殿光
李晓松
赵津京
张磊
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Tianjin Research Institute for Water Transport Engineering MOT
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Tianjin Research Institute for Water Transport Engineering MOT
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers

Abstract

The invention discloses an adjustable flashboard type ecological bank protection body which is characterized by comprising an arch bridge-shaped bottom plate with a fish groove at the bottom, wherein a clamping plate is respectively arranged above the left end and the right end of the arch bridge-shaped bottom plate, the left clamping plate and the right clamping plate have the same structure and are respectively in a quarter round surface structure, a bottom edge which is matched with the arch bridge-shaped bottom plate and a rear side edge which is perpendicular to the bottom edge are arranged, the left clamping plate and the right clamping plate are coaxially arranged, a rear side vertical plate is arranged between the rear side edges of the left clamping plate and the right clamping plate, the rear side vertical plate is respectively connected with the left clamping plate, the right clamping plate and the arch bridge-shaped bottom plate, a plurality of middle radial partition plates which are uniformly distributed along the circumferential direction and extend along the whole radius of the clamping plate are arranged between the left clamping plate and the right clamping plate, a plurality of holes are arranged on the middle radial partition plates, and planting grooves are arranged behind the middle radial partition plates with the largest inclination angle. The invention also discloses a revetment structure adopting the adjustable plugboard type ecological revetment body. The invention can meet the requirements of functionality, ecology and landscape simultaneously.

Description

Adjustable flashboard type ecological revetment body and revetment structure adopting same
Technical Field
The invention relates to a revetment structure in the technical field of water conservancy and water transportation, in particular to an adjustable and plugboard type ecological revetment body and a revetment structure adopting the same.
Background
The construction of the inland ecological channel is a novel construction mode which unifies the traditional channel with navigation function and the natural river ecological system, and the integral function of the river system is played in an important way, so that the inland ecological channel has the basic water transport function which is convenient, efficient, safe and smooth, and also balances the harmonious ecological environment system.
Traditionally, the revetment of a inland waterway generally only relates to the prevention of river bed scouring, and especially only considers the requirements of rigidity such as collision resistance and the like. Such "hard guard" projects rarely take into account river management and the unified protection of surrounding natural, historical, social, ecological and mankind.
The ecological bank protection structure is applied to inland waterways, lakes, banks and the like, so that engineering can play a role in conservation, a green landscape effect can be achieved, and the aquatic environment and the surrounding atmosphere are improved. Meanwhile, the biological diversity can be effectively maintained, the water quality is indirectly purified, and the water circulation is realized, so that the environmental protection effect of multiple purposes is achieved. Therefore, the research, development and application of the ecological revetment have positive significance for the development of the slope protection technology, and are the necessary requirements for promoting the construction of the ecological channel.
Disclosure of Invention
The invention provides an adjustable plugboard type ecological bank protection body and a bank protection structure adopting the same, which can meet the requirements of functionality, ecology and landscape.
The invention adopts a technical scheme for solving the technical problems in the prior art that: the utility model provides an adjustable, picture peg formula ecological bank protection body, includes the arch bridge shape bottom plate of fish tank in the bottom the arch bridge shape bottom plate is left and right sides top at both ends respectively installs a cardboard, and left cardboard and right cardboard structure are the same, all adopt quarter circle structure, be equipped with the anastomotic base of arch bridge shape bottom plate and with the perpendicular rear side of base, left cardboard with right cardboard coaxial arrangement be provided with the rear side riser between the rear side of left cardboard with right cardboard, the rear side riser respectively with left cardboard right cardboard with arch bridge shape bottom plate is connected be equipped with a plurality of radial baffles in the middle of circumference equipartition, along the whole radius extension of cardboard between left cardboard with be equipped with a plurality of holes on the radial baffle in the middle, be equipped with the planting groove in the biggest rear of radial baffle in the middle of inclination.
The bank protection body adopts an assembly structure, the left clamping plate and the right clamping plate are inserted into the arch bridge-shaped bottom plate, the left end and the right end of the middle radial partition plate are respectively inserted into the left clamping plate and the right clamping plate, and the rear side vertical plate is respectively inserted into the left clamping plate, the right clamping plate and the arch bridge-shaped bottom plate.
The invention adopts another technical scheme for solving the technical problems in the prior art: the ecological bank protection structure adopts the adjustable plug-in plate type ecological bank protection body, an ecological bank protection body layer is arranged on each stage of step surface by utilizing a step structure, the ecological bank protection body layer is formed by a plurality of ecological bank protection bodies, the ecological bank protection bodies forming the ecological bank protection body layer are longitudinally arranged in a row along a bank slope, the back side vertical plates of the ecological bank protection bodies are arranged in a back water direction, the fish grooves are arranged along the water flow direction, and green landscape plants are planted in planting grooves of the ecological bank protection bodies forming the ecological bank protection body layer, which are positioned above a normal water level; the ecological bank protection body of the lower-stage bank protection slope is longitudinally arranged in a row along the bank slope, the back side vertical plate back water is arranged, the fish groove is arranged along the water flow direction, and the top of the lower-stage bank protection slope is level with the step surface of the lower-stage step.
Submerged aquatic plants are planted in the planting grooves of the ecological bank protection bodies forming the slope of the lower bank protection surface of the step and the planting grooves of the ecological bank protection bodies forming the ecological bank protection body layer below the normal water level.
The ladder structure is built by adopting a gabion net cage.
And forming the staggered arrangement of the ecological bank protection bodies of the two upper and lower adjacent ecological bank protection body layers of the step lower bank protection slope surface.
The invention has the advantages and positive effects that:
1) The porous frame can play a role in reducing the flow speed of water and promoting sediment accumulation, and the accumulated sediment can protect a coverage area and also can guard the beach formation outside the frame structure, so that the water flow scouring resistance is high. 2) Compared with the traditional physical shore protection engineering, the multi-cavity structure formed by the hollow partition boards has the advantages that the structural stability is not reduced, even increased, the cement consumption is saved compared with a common frame structure, the engineering cost can be further reduced, and the method is economical and practical. 3) The structure can be assembled by prefabricated parts and components on a construction site, and the construction is simple and convenient. 4) The water permeable fan-shaped frame has low mass center and good stability, and can keep the height unchanged even if the frame is displaced under the impact of water flow, continuously play a role, and can bear a large range of deformation without collapsing. 5) The gaps in the blocks can construct a small ecological system, which is beneficial to the growth of microorganisms, animals and plants and can be well fused with the surrounding aquatic environment. 6) The planting groove can plant various green landscape plants, creates a beautiful ecological landscape for the river bank, and has good landscape experience.
Drawings
FIG. 1 is a schematic view of an adjustable, plug-in type ecological bank protection structure of the present invention;
FIG. 2 is a schematic diagram of a left cardboard structure of an adjustable, plugboard type ecological bank protection body according to the present invention;
FIG. 3 is a schematic view of the structure of a right cardboard of an adjustable, plugboard type ecological bank protection body;
FIG. 4 is a schematic view of a middle radial partition plate structure of an adjustable plug-in type ecological bank protection body;
FIG. 5 is a side cross-sectional view of an adjustable, plug-in ecological bank protection body of the present invention;
fig. 6 is a side cross-sectional view of an adjustable insert plate type ecological revetment structure according to the present invention.
In the figure: 1. an arch bridge shaped bottom plate; 2. a left clamping plate; 3. a rear side riser; 4. a right clamping plate; 5. a middle radial partition; 6. a hole; 7. a planting groove; 8. green landscape plants; 9. a river bed; 10. gabion cage.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1-6, an adjustable and plugboard type ecological bank protection body comprises an arch bridge-shaped bottom plate 1 with a fish groove 1-1 at the bottom, wherein a clamping plate is respectively arranged above the left end and the right end of the arch bridge-shaped bottom plate 1, the left clamping plate 2 and the right clamping plate 4 have the same structure, a quarter round surface structure is adopted, a bottom edge which is anastomotic with the arch bridge-shaped bottom plate 1 and a rear side edge which is perpendicular to the bottom edge are arranged, the left clamping plate 2 and the right clamping plate 4 are coaxially arranged, a rear side vertical plate 3 is arranged between the rear side edges of the left clamping plate 2 and the right clamping plate 4, the rear side vertical plate 3 is respectively connected with the left clamping plate 2, the right clamping plate 4 and the arch bridge-shaped bottom plate 1, a plurality of middle radial partition plates 5 which are uniformly distributed along the circumferential direction and extend along the whole radius of the clamping plate are arranged between the left clamping plate 2, a plurality of holes 6 are arranged on the middle radial partition plates 5, and planting grooves 7 are arranged behind the middle radial partition plates 5 with the largest inclination angle.
The adjustable flashboard type ecological bank protection body is integrally in a quarter column shape, the arch bridge type bottom plates can be anastomosed and stacked on a flat riverbed, so that the local scouring of the riverbed can be reduced, the accurate and stable implantation of the bank protection body is facilitated, the construction is convenient, the rear side vertical plates perpendicular to the arch bridge type bottom edges are arranged by adopting back water, on one hand, the rear side vertical plates positioned at the rear row can be clung to a gabion cage, on the other hand, the bank protection body is arched into a curved surface shape, when the bank protection body is stressed in all directions under the action of external force, the bending moment in the arch can be reduced to the minimum, the main internal force is changed into axial pressure, the stress distribution is uniform, the strength of materials can be fully utilized, and compared with other types of permeable frame structures, the materials are saved, and the engineering cost is further reduced.
The water permeable fan-shaped frame adopted in the method has the advantages of low mass center, good stability, capability of keeping the height unchanged even if the water flow is impacted to displace, continuous function and capability of bearing a large range of deformation without collapsing.
The fish tank can provide refuge sites for aquatic organisms such as fish and the like, is beneficial to protecting the biological diversity of river channels, is beneficial to restoring the natural environment and the ecological environment of the revetment section, provides reference for increasing the structure of the fish tank in ecological shoreline restoration engineering, and realizes virtuous circle of a river basin water ecological system. Meanwhile, in order to solve the problems that the traditional fish tank is small in structure and only suitable for smaller fishes to perch, the fish tank can splice a plurality of fish tanks, the cavity space is enlarged, and the living habit requirements of more and larger fishes can be met.
The space between the two middle radial partition plates 5 and the planting groove cavity arranged under water can form water turbulence due to the hollow cavity structure, different flow velocity bands are formed in the water body, dissolved oxygen in the water can be increased, and the survival of fish and other aerobic organisms is facilitated, so that the diversity of a river ecosystem is increased, and the self-cleaning capability of the water body is improved.
The holes 6 in the invention can ensure that the frame is permeable, has small stress, can not be washed away by water, has the functions of obviously weakening water flow, dissipating energy and reducing flow speed, effectively weakens the impact force of the water flow, and forms a 'slow flow area' nearby the slow flow area so as to provide habitat, shelter and foraging area for aquatic and terrestrial animals.
In this embodiment, considering the cost of saving preparation and transportation, this bank protection body adopts assembly structure, is equipped with the cardboard slot at the upper surface both ends of arched bridge shape bottom plate 1 left cardboard 2 with be equipped with the plug on the right cardboard 4, left cardboard 2 with right cardboard 4 with arched bridge shape bottom plate 1 peg graft left cardboard 2 with be equipped with the baffle slot on the right cardboard 4 the both ends all are equipped with the plug about middle radial baffle 5, the both ends about middle radial baffle 5 peg graft with left cardboard 2 with right cardboard 4 respectively, adopt the same structure, rear side riser 3 peg graft with left cardboard 2 respectively with right cardboard 4 with arched bridge shape bottom plate 1. Meanwhile, the structure of the bank protection body is convenient to adjust by adopting an assembly structure: according to the seasonal variation of river surface water level, the height of the planting groove is effectively adjusted by adjusting the assembly quantity and/or the assembly position of the middle radial partition plates 5, so that the variety of green landscape plants planted in the planting groove is determined.
The shore protection body can also adopt an integrated structure, and the height of the planting groove is determined according to the seasonal variation of the river surface water level, so that the variety of green landscape plants planted in the planting groove is determined.
Referring to fig. 6, in a revetment structure using the adjustable and plugboard type ecological revetment body, an ecological revetment body layer is arranged on each stage of step surface by using a step structure, the ecological revetment body layer is composed of a plurality of ecological revetment bodies, the ecological revetment bodies forming the ecological revetment body layer are longitudinally arranged in a row along a slope, and a back side vertical plate back water is arranged, a fish tank 1-1 is arranged along the water flow direction, and green landscape plants 8 are planted in planting grooves 7 of the ecological revetment bodies forming the ecological revetment body layer, which are positioned above a normal water level; the ecological bank protection body of the ecological bank protection slope is longitudinally arranged in a row along the bank slope, the rear side vertical edge of the ecological bank protection body is arranged towards the bank slope and the fish groove 1-1 along the water flow direction, and the top of the ecological bank protection slope is level with the step surface of the lowest stage of step.
In this embodiment, in order to improve the ecology of the revetment structure, submerged aquatic plants can be planted in the planting groove 7 of the ecological revetment below the normal water level according to actual demands, specifically, submerged aquatic plants are planted in the planting groove of the ecological revetment constituting the slope of the lower revetment and in the planting groove of the ecological revetment constituting the ecological revetment layer below the normal water level. Of course, it may be different if not required. In order to improve the stability of the revetment structure, the ladder structure is built by adopting a gabion cage 10, so that the staggered arrangement of the ecological revetments of two adjacent upper and lower ecological revetment layers of the ladder lower revetment slope is formed.
In this embodiment, the installation position of the middle radial partition board 5 can be determined according to the seasonal variation of the river surface water level, so as to determine the height of the planting groove, avoid the green landscape plant from being submerged by water, and plant the green landscape plant in the planting groove, which can be planted by using a plant-growing bag or by using other modes.
The construction method of the revetment structure comprises the following steps:
firstly, determining the number of layers of the bank protection body according to the bank protection height;
secondly), leveling the river bed 9, adopting a gabion net cage 10 to build the lowest stage of steps, and adopting an ecological bank protection body to build a lower bank protection slope of the steps in front of the lowest stage of steps; the number of the bank protection bodies in each row is determined according to the length of the bank protection; paving an ecological bank protection body layer on the step surface, and planting green landscape plants in the planting groove;
thirdly), building a first-stage step by adopting a gabion net cage 10, paving an ecological bank protection layer on the step surface, and planting green landscape plants in the planting groove;
fourth), repeating the third) until the construction of the upper layers is completed.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.

Claims (6)

1. The utility model provides an adjustable, picture peg formula ecological bank protection body, its characterized in that includes the arched bridge shape bottom plate of bottom area fish tank the cardboard is installed respectively to arched bridge shape bottom plate both ends about the top, and left cardboard and right cardboard structure are the same, all adopt quarter circle structure, be equipped with arched bridge shape bottom plate anastomotic base and with the rear side that the base is perpendicular, left cardboard with right cardboard coaxial arrangement be provided with the rear side riser between left cardboard with right cardboard's the rear side, the rear side riser respectively with left cardboard right cardboard with arched bridge shape bottom plate is connected be equipped with a plurality of along circumference equipartition between the right cardboard, along the centre radial baffle of cardboard whole radius extension be equipped with a plurality of holes on the centre radial baffle, be equipped with the planting groove in the biggest rear of centre radial baffle of inclination.
2. The adjustable, plug-in board type ecological bank protection body according to claim 1, wherein the bank protection body adopts an assembly structure, the left clamping board and the right clamping board are inserted into the arch-bridge-shaped bottom plate, the left end and the right end of the middle radial partition board are inserted into the left clamping board and the right clamping board respectively, and the rear side vertical board is inserted into the left clamping board, the right clamping board and the arch-bridge-shaped bottom plate respectively.
3. The revetment structure adopting the adjustable and plugboard type ecological revetment body according to claim 1, characterized in that an ecological revetment body layer is arranged on each step surface by utilizing a step structure, the ecological revetment body layer is composed of a plurality of ecological revetments, the ecological revetment bodies forming the ecological revetment body layer are longitudinally arranged in a row along a revetment slope, a rear side vertical plate is arranged in a back water direction, a fish tank is arranged along a water flow direction, and green landscape plants are planted in planting tanks of the ecological revetment bodies forming the ecological revetment body layer, wherein the planting tanks are positioned above a normal water level; the ecological bank protection body of the lower-stage bank protection slope is longitudinally arranged in a row along the bank slope, the back side vertical plate back water is arranged, the fish groove is arranged along the water flow direction, and the top of the lower-stage bank protection slope is level with the step surface of the lower-stage step.
4. A revetment structure according to claim 3, wherein submerged aquatic plants are planted in both the planting grooves of the ecological revetments constituting the lower revetment slope of the step and the planting grooves of the ecological revetments constituting the ecological revetment layer below a constant water level.
5. A revetment structure according to claim 3, wherein the ladder structure is constructed using gabion cages.
6. A revetment structure according to claim 3, wherein two adjacent upper and lower ecological revetment layers forming said step lower revetment slope are arranged in a staggered manner.
CN201811132024.7A 2018-09-27 2018-09-27 Adjustable flashboard type ecological revetment body and revetment structure adopting same Active CN108951548B (en)

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CN110241783A (en) * 2019-07-04 2019-09-17 中环宇恩(广东)生态科技有限公司 It takes precautions against natural calamities in a kind of marine ecology reparation ecological revetment slope structure

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