CN105256764A - Wave type ecological river bank structure - Google Patents
Wave type ecological river bank structure Download PDFInfo
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- CN105256764A CN105256764A CN201510740105.5A CN201510740105A CN105256764A CN 105256764 A CN105256764 A CN 105256764A CN 201510740105 A CN201510740105 A CN 201510740105A CN 105256764 A CN105256764 A CN 105256764A
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Abstract
The invention discloses a wave type ecological river bank structure. The wave type ecological river bank structure is an alongshore wave type structure formed on an original river bank slope. Wave crests protruding out of the original river bank slope and wave troughs sunken in the original river bank slope are arranged. The inner portions of the wave crests are of an earthwork structure. The outer portions of the portions, above the water surface, of the wave crests are of a concrete structure. The outer portions of the portions, below the water surface, of the wave crests are of a riprap packed structure. A soft body mattress is laid at the joint of the wave type ecological river bank structure and a riverbed and loaded with riprap. Aquatic plants are planted in the wave troughs. The wave type ecological river bank structure is a concave-convex alongshore wave type ecological river bank structure built by conducting excavation and filling on the original river bank slope without excavating or transporting extra earthwork, construction is easy and convenient, the protection range is wide, the anti-flushing effect is good, and the energy conservation and environment protection effects are achieved while the requirements for protecting the river bank and dredging waterways are met.
Description
Technical field
The present invention relates to the riverbank structure of water conservancy and marine traffic engineering technical field, be specifically related to a kind of waves ecological riparian structure.
Background technology
River plays vital effect for human society, but along with social development, particularly in densely populated Plain, River Valley Region, the space of river nature evolution is tied up, one of flood natural calamity becoming human maximum.When Liu Dingchong is met on riverbank, or hydrodynamic axis is close to bank, offshore flow velocity is greater than the initial velocity of bank slope silt, riverbank is moved back washing away and collapsing, so both can mould unfavorable river course form, injure waterway construction, the hydraulic engineerings such as intake can be affected again and play a role, also can constitute a threat to Seawall safety.Therefore shore protection erosion control is the important content of dredging waterway.Traditional shore protection mode has riprap protection and spur dike shore protection; wherein riprap protection is that the block stone utilizing initial velocity larger protects riverbank; to reach the object preventing river bank scouring from retreating; material can be taken from natural; cost is lower; simple to operate; certain protective effect can be played; but protective range is only confined to jackstone scope; when larger flow rate of water flow long term in jettisoning stone time; by the impact of flow-disturbing, scour, the jackstone in prose style free from parallelism structure can be absorbed in riverbed sludge or occur slump, thus affects shore protection effect.The principle of spur dike shore protection is: chosen by current from riverbank; reduce offshore flow velocity near groynes; protection riverbank is from current scour; adopt spur dike shore protection can obtain larger protective range; there are some researches show: the low flow velocity district (recirculating zone) in groynes downstream extends to the dam length of 8 ~ 12 times usually; but because groynes stretches into the narrow area of passage of river course posterior cord, will to have a negative impact to river course flood.
Mainly offshore flow rate of water flow is excessive for the external cause of river bank scouring, and the measure generally taked at present adopts novel form of structure to slow down offshore flow rate of water flow, thus improve the impact resilience on riverbank.Along with the development of technology, large quantities of novel bank protection structure and material are emerged at present, as Triangular Taper Penetrating body water-permeable frame, concrete twist-shaped block body, hollow truncated cone shaped bank protection structure etc., the common feature of these structures is by changing local flow-shape, increase flow energy loss, water flow dynamic energy is reduced, and scouring capability declines, to reach the object of shore protection erosion control.Advantage can obtain good shore protection erosion control effect in short-term, and shortcoming mainly durability is poor, and cost is relatively high, adopts the restriction being subject to cost on a large scale.
In sum, current bank protection structure need perfect.If can change water flow structure with less cost in a big way, improve the flow condition of offshore, so its shore protection effect can improve surely greatly.
Summary of the invention
The present invention provides a kind of waves ecological riparian structure for solving in known technology the technical problem that exists, and this riverbank structure construction is easy, cost is low, protective range is large and erosion control is effective.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is: a kind of waves ecological riparian structure, this structure is the suitable bank wave structure be formed on the bank slope of original riverbank, be provided with the crest protruded outside the bank slope of original riverbank and the trough be recessed within the bank slope of original riverbank, the inside of described crest is cubic metre of earth and stone structure, described crest is positioned at the water surface with the outside of upper part for concrete structure, described crest is positioned at the water surface with the outside of lower part for jackstone packed structures, soft raft is equipped with in this waves ecological riparian structure and joint, riverbed, on described soft raft, ballast has jackstone, plant in described trough and be implanted with water plant.
The height of described crest is no more than the degree of depth of described trough.
The advantage that the present invention has and good effect are: 1. consume water energy by waves riverbank, reduce offshore flow velocity, thus reduce washing away of riverbank, safeguard the stable of riverbank; 2. the backflow constriction flow section formed near waves riverbank, water of compaction flow to river course major trough, can improve flow velocity in boat groove, safeguard fairway depth, improve navigation condition; 3. riverbank of the present invention form is formed by excavation and filling original riverbank bank slope, does not affect the flood discharge capacity in river course flood period, saves material, economical rationality, practical environmental protection; 4. the trough of waves ecological riparian, suitable various aquatic animals and plants growth, effectively can improve local environment.Compared with existing various regulating structure; the present invention utilizes current to go to change flow-shape through a series of whirlpools that wave structure produces; change in the past to riverbank and the hard protection in navigation channel, by force renovation pattern; realize transforming minimumization in river under the condition realizing control target, meet the theories such as Ecological River, Ecological waterscape and river health.In sum; the present invention is that a kind of uneven bank that excavation and filling is built on the bank slope of original riverbank is along wave ecological riparian structure; do not need excavation and transport the extra cubic metre of earth and stone; easy construction; cost is low; protective range is large and erosion control is effective, while satisfied protection riverbank and harnessing navigation channels needs, also has the effect of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure schematic diagram of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the sectional elevation of Fig. 1;
Fig. 4 is the longitudinal section of Fig. 1.
In figure: 1, original riverbank bank slope, 2, crest, 3, trough, 4, the water surface, 5, riverbed.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 ~ Fig. 4, a kind of waves ecological riparian structure, this structure is the suitable bank wave structure be formed on original riverbank bank slope 1, be provided with the crest 2 protruded outside original riverbank bank slope 1 and the trough 3 be recessed within original riverbank bank slope 1, the inside of described crest 2 is cubic metre of earth and stone structure, described crest 2 is positioned at the water surface 4 with the outside of upper part for concrete structure, described crest 2 is positioned at the water surface with the outside of lower part for jackstone packed structures, the toe place connected with riverbed 5 in this waves ecological riparian structure is equipped with soft raft, on described soft raft, ballast has jackstone, plant in described trough 3 and be implanted with water plant.
In the present embodiment, the height of described crest 2 is no more than the degree of depth of described trough 3.
The inner cubic metre of earth and stone structure of crest of above-mentioned waves ecological riparian structure and trough are formed by excavation and filling local bank slope land, the original riverbank cubic metre of earth and stone, concrete construction method is: first carry out earthwork evacuation in trough shaping area, then the cubic metre of earth and stone is built in crest shaping area, subsequently, be positioned at the water surface at described crest and form concrete structure with the outside of upper part, be positioned at the water surface at described crest and form jackstone packed structures with the outside of lower part, and be equipped with soft raft at the toe place that waves ecological riparian structure connects with riverbed, soft raft carries out jackstone ballast.Planting aquatic plants in described trough.Slightly larger than the cubic metre of earth and stone heap needed for crest shaping area high-volume, the residue cubic metre of earth and stone can be used for the reinforcing of river levee to the earthwork evacuation amount of trough shaping area, to strengthen the stability of waves ecological riparian structure self flood period.
Refer to Fig. 3, the present invention is in order to strengthen the stability of self structure, and be formed on the bank slope of original riverbank, the gradient is identical with original riverbank bank slope.Refer to Fig. 4, described crest is positioned at the water surface and adopts concrete structure to carry out shore protection with upper part, described crest is positioned at the water surface and adopts jackstone packed structures to carry out bank protection with lower part, adopts soft raft and ballast jackstone structure to carry out river bottom protection at the toe place of waves ecological riparian structure; In trough, according to the ecological environment of locality, the ecomaterials such as plant are utilized to carry out shore protection.
Above-mentioned waves ecological riparian can improve the flow-shape of protection zone, plays the effect of protection riverbank, harnessing navigation channels, and can improve local environment.Its specific works principle is as follows:
(1) when water body flows through waves riverbank, river cross-section is experiencing a series of unexpected mitigation and amplification along water (flow) direction, and this riverbank structure makes current between crest, form a series of whirlpool district, consumes water energy, reduce offshore flow velocity, weaken the degree that riverbank is washed away.
(2) the offshore backflow that waves ecological riparian is formed can constriction flow section, and water of compaction flow in the middle part of river course, the flow velocity navigated in groove is increased to some extent, thus reduces channel accretion, safeguard the depth of water needed for navigation channel.
(3) near waves ecological riparian, flow velocity is less, enriches especially at trough recirculating zone current gradient, and water body turbulent fluctuation is comparatively strong, and away from navigation channel, is applicable to aquatic animals and plants growth, and then improves local ecological environment.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (2)
1. a waves ecological riparian structure, it is characterized in that, this structure is the suitable bank wave structure be formed on the bank slope of original riverbank, be provided with the crest protruded outside the bank slope of original riverbank and the trough be recessed within the bank slope of original riverbank, the inside of described crest is cubic metre of earth and stone structure, described crest is positioned at the water surface with the outside of upper part for concrete structure, described crest is positioned at the water surface with the outside of lower part for jackstone packed structures, be equipped with soft raft in this waves ecological riparian structure and joint, riverbed, on described soft raft, ballast has jackstone; Plant in described trough and be implanted with water plant.
2. waves ecological riparian structure according to claim 1, it is characterized in that, the height of described crest is no more than the degree of depth of described trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510740105.5A CN105256764B (en) | 2015-11-03 | 2015-11-03 | Waves ecological riparian structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510740105.5A CN105256764B (en) | 2015-11-03 | 2015-11-03 | Waves ecological riparian structure |
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| CN105256764A true CN105256764A (en) | 2016-01-20 |
| CN105256764B CN105256764B (en) | 2017-06-16 |
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| CN201510740105.5A Expired - Fee Related CN105256764B (en) | 2015-11-03 | 2015-11-03 | Waves ecological riparian structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306677A (en) * | 2018-11-21 | 2019-02-05 | 交通运输部天津水运工程科学研究所 | A kind of waveform ecology shield beach structure |
| CN109338988A (en) * | 2018-11-21 | 2019-02-15 | 交通运输部天津水运工程科学研究所 | Unilateral aileron formula ecotype groynes |
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| JP2003253647A (en) * | 2002-02-28 | 2003-09-10 | Tetra Co Ltd | Combined steel sheet pile bank protection structure |
| KR20030074050A (en) * | 2002-06-24 | 2003-09-19 | 이명주 | Wooden landscape retaining wall |
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| CN204163047U (en) * | 2014-09-28 | 2015-02-18 | 上海库克莱生态科技有限公司 | A kind of novel unrestrained ecological revetment that disappears |
| CN104695380A (en) * | 2015-01-30 | 2015-06-10 | 海盐汇祥新型建材科技有限公司 | Revetment structure composed of plastic steel plate piles and concrete |
| CN205116087U (en) * | 2015-11-03 | 2016-03-30 | 交通运输部天津水运工程科学研究所 | Ecological river bank of ripples formula structure |
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2015
- 2015-11-03 CN CN201510740105.5A patent/CN105256764B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003253647A (en) * | 2002-02-28 | 2003-09-10 | Tetra Co Ltd | Combined steel sheet pile bank protection structure |
| KR20030074050A (en) * | 2002-06-24 | 2003-09-19 | 이명주 | Wooden landscape retaining wall |
| CN102352614A (en) * | 2011-08-19 | 2012-02-15 | 杨丽萍 | Continuous multiple arc type wave-absorbing bank |
| CN103774610A (en) * | 2014-02-12 | 2014-05-07 | 沈阳农业大学 | Wave type wave-absorbing dam |
| CN204163047U (en) * | 2014-09-28 | 2015-02-18 | 上海库克莱生态科技有限公司 | A kind of novel unrestrained ecological revetment that disappears |
| CN104695380A (en) * | 2015-01-30 | 2015-06-10 | 海盐汇祥新型建材科技有限公司 | Revetment structure composed of plastic steel plate piles and concrete |
| CN205116087U (en) * | 2015-11-03 | 2016-03-30 | 交通运输部天津水运工程科学研究所 | Ecological river bank of ripples formula structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306677A (en) * | 2018-11-21 | 2019-02-05 | 交通运输部天津水运工程科学研究所 | A kind of waveform ecology shield beach structure |
| CN109338988A (en) * | 2018-11-21 | 2019-02-15 | 交通运输部天津水运工程科学研究所 | Unilateral aileron formula ecotype groynes |
| CN109338988B (en) * | 2018-11-21 | 2024-01-23 | 交通运输部天津水运工程科学研究所 | Single-side wing wall type ecological type spur dike |
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| CN105256764B (en) | 2017-06-16 |
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Granted publication date: 20170616 Termination date: 20201103 |