CN102070245A - Riverway ecological decontaminating type square frame body and construction, combination and dam fending method thereof - Google Patents
Riverway ecological decontaminating type square frame body and construction, combination and dam fending method thereof Download PDFInfo
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- CN102070245A CN102070245A CN2010105707735A CN201010570773A CN102070245A CN 102070245 A CN102070245 A CN 102070245A CN 2010105707735 A CN2010105707735 A CN 2010105707735A CN 201010570773 A CN201010570773 A CN 201010570773A CN 102070245 A CN102070245 A CN 102070245A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a riverway ecological decontaminating type square frame body and a construction, combination and dam fending method thereof. The frame body is formed by assembling a precast reinforced concrete pole and elastic filter ball biological filter. Multiple riverway ecological decontaminating type square frame bodies are overlapped together and fixed in a form of pilling, so that the combination is fixedly placed above a river bed in the direction that the axial line of the combination and the flow line of water form an included angle of 110-120 degrees, and the length of a dam body meets the fact that the ratio of the projected length of the dam body in the direction vertical to the direction of water flow to stable river width is less than 0.3. The frame body disclosed by the invention can be used for stabilizing a bank slope, protecting the river bed, reducing the flow speed and trapping silt, has a better management effect on a high silt-content water body, has a better purification effect on the water body, is favorable for improving the water environment quality, can be used for constructing diversified river bank rest environments, is favorable for repairing an ecological system, is suitable for river realignment of different scales, has lower manufacturing cost, is simple to manufacture, and is relatively convenient to construct, maintain and manage.
Description
Technical field
The present invention relates to a kind of environmental river conservancy worker's buildings, particularly a kind of have the clean dirty type square framework of river channel ecology that purifies river water, the biological habitat function in the various riverbank of construction and make up combination retaining dam method.
Background technology
River conservancy worker's buildings is meant stable or improves the river gesture, adjusts the hydraulic structure that current are built.Commonly used have groynes, rock head, shore protection, longitudinal dike, closure dam, stake dam, an abatis dam etc.River regulating structure can use river conservancy worker's materials such as soil, stone, bamboo and wood, concrete, metal, geotextile to build, and the member that also available river conservancy worker's material is made is as builds such as fascine, Liu Shizhen, gabion, abatis, concrete blockss.
River conservancy worker's buildings generally is divided into permeable buildings and entity buildings and circulation buildings.The entity buildings does not allow current to see through dam body, and flow conductivity is strong, and scour pit is dark before the buildings, is used for heavy permanent work more.The entity buildings is divided into two classes: a class builds up the dam with the impact resistant material heap, claims the impact resistant material heap to build a dam, as rockfill groin, dam, willow masonry dam etc.When on sandy riverbed, building the dam, can spread the mattress sinking river bottom protection earlier.Another kind of is dam body with soil, with the impact resistant material bank protection, protect base (pin), claims native heart entity dam.The entity buildings generally mostly is native heart entity dam, uses as the Yellow River, the Changjiang river are promptly a large amount of.All will stand the current scour after the entity buildings is built, what have uses the mattress sinking river bottom protection, have along with the respective depth that is affixed to scour pit need be rushed to repair, be added to river-bed deformation, domaticly also to constantly keep in repair, to adapt to current, could be comparatively stable, its maintenance management need consume lot of manpower and material resources.
Permeable buildings then allows current to pass through dam body, and flow conductivity is little than the entity buildings, and scour pit is shallow before the buildings, has and flows slowly the silt effect.Permeable buildings mainly contains following several structure: 1. stake dam: this is a kind of permeable buildings commonly used, can be made up of single or number campsheds.Use pile dike, have and flow slowly to fall to becoming silted up effect as far back as the unhurried current shoal.The stake on plumb pile dam, squeezing into the river bed part, to account for stake long by 2/3, and the top of stake is got in touch with crossbeam.The taper pile dam is an a group with three piles, and bamboo cable or galvanized wire colligation are used together in top, connects between row to connect wood in length and breadth, the basic available mattress sinking protection or the material protection of rockfilling in stake formula dam.The stake dam has now developed and use the reinforced concrete pile dam, and with water hammer drill or vibro-pile driver piling, the long and stake embedded depth of stake all can increase, owing to impact resistance can be used for the channel thread district greatly.Its main drawback is that cost is big, construction is complicated and compares difficulty.2. abatis: with three or four rod members (rod member can be timber, steel, Steel Concrete etc.), one is held together, and the other end struts, fixing with the cross bar contact in the middle of per two rod members, makes shelf, is called abatis.Bed board is pressed with weight (stone or Liu Shi, willow are become silted up and wrap) in the abatis, arranges and is sunken to the abatis dam that permeable (also can be waterproof) be built in the river bed, can make groynes, longitudinal dike, closure dam etc., is applicable to the more shallow place of the sandy gravel riverbed and the depth of water.Its main drawback is to make and all more complicated of constructing, and requires the technician to have stronger experience, and the technical difficulty of especially on-the-spot input abatis is very big.3. anchored trees: lie on the trunk with weights such as stones, be sink to the river bed, make permeable buildings, utilize the branch on the tree crown, the unhurried current erosion control.Anchored trees discrete, horizontal, upright crouch combination, tandem etc.4. compile hedge: on the river bed, squeeze into a row or number row's timber, with withy, willow or the thin bamboo strip being organized on the timber likeness in form hedge, formation permeable dike.Single volume hedge, double volume hedge or permeable groynes, longitudinal dike, the closure dam of many schedulings hedge are arranged.5. plant trees: plant shore protection forest belt (its width is a principle not influence flood passage) on the ground at the embankment foreshore, the defence stormy waves is bounced embankment obvious effect.In dike root depression, river shoal string ditch willow stake (root of willow is planted in the soil) dam of laboring, the silt that also can flow slowly, erosion control dyke strengthening.Methods such as anchored trees, volume hedge, tree planting mainly are applicable to the regulation of middle or small river Zhong Shui, low flow channel.
As seen, the structure formation of the present river conservancy worker's buildings that generally uses, either destroyed easily, or cost is high, difficulty of construction is very big, and maintenance management expends a large amount of manpower and materials.What is more important, along with the continuous deterioration of river course quality of water environment and the ecosystem are constantly degenerated, river regulation has been developed into by traditional engineering regulation and has taken into account environment and ecological comprehensive improvement, be river conservancy worker's buildings shore protection Gu Tan, hold back silt, poised stream gesture, waterway regulation, dash dam, speedily carry out rescue work block up in, performance simultaneously improves quality of water environment, build biological habitat and repair functions such as the ecosystem.As seen, river conservancy worker's buildings does not in the past still have the quality of water environment of improvement, builds functions such as the biological habitat and the reparation ecosystem.
Summary of the invention
Purpose of the present invention just is to overcome the defective separately of above-mentioned various river conservancy worker's buildingss, develop a kind of be used to develop a kind ofly be applied to shore protection Gu Tan, hold back silt, the poised stream gesture, have simultaneously comprehensive functions such as removing pollutant and restoration of the ecosystem the clean dirty type square framework of river channel ecology and make up combination retaining dam method.
Technical scheme of the present invention is: the clean dirty type square framework of river channel ecology, comprise cube-shaped hollow skeleton and several elasticity filter bulb biologic packing material strings, described cube-shaped hollow skeleton is that 12 reinforced concrete rod members are formed by fixedly connecting, all be fixedly connected with reinforcing rod on each bar diagonal lines in four sides of described cube-shaped hollow skeleton, be equipped with square framework and four poles in the upper and lower surface of cube-shaped hollow skeleton, and each root pole all fixedlys connected square framework along diagonal lines with cube-shaped hollow skeleton, being centered close on the same axis of the center of two square frameworks and upper and lower surface, described several elasticity filter bulb biologic packing material strings all are connected along vertical direction, on the interior two relative poles of lower surface;
The long 1m of concrete rod member in the described reinforced concrete rod member, cross dimensions is 0.1 m * 0.1m, and concrete strength is C13～C15, and described concrete bar is imbedded 1 long 1.3 m Φ, 10 reinforcing bar in advance along axis, and the concrete bar is all stretched out at the two ends of reinforcing bar;
Described elasticity filter bulb string is in series by galvanized wire pole at least two elasticity filter bulbs, and the elasticity filter bulb is filled radial polyethylene filaments for being made by polyolefin plastics in the hollow skeleton of spheric, and inside has bigger specific surface area.
Another object of the present invention provides the clean dirty type square framework of a kind of river channel ecology to make up combination retaining dam method, its construction step is as follows: a, several ecological clean dirty type square frameworks are stacked together, and by piling the square-shaped frame body that timber or imitative timber pass on each ecological clean dirty type square framework upper and lower surface are successively formed molectron; B, a plurality of molectrons are lined up two rows side by side be fixed on the riverbed, form the retaining dam, described retaining dam and elementary stream are the direction of 110 °～120 ° of angles.
The height that stacks of ecological clean dirty type square framework is decided according to the river course degree of depth in the described molectron, is not higher than dam crest with the river course water surface period when a river is at its normal level and is as the criterion.
The dam body length on described retaining dam perpendicular to the ratio of the projecting length of water (flow) direction and river width less than 0.3.
Its further technical scheme be: 3～5 grades of retaining dams are set continuously to form the dam group along water (flow) direction, the spacing on adjacent two retaining dams is 1.5～2.5 times of dam length, lays order for by the downstream upstream.
Advantage of the present invention and effect are: (1) can change the local brunt in bank for not dashing or the silt gesture, play the effect of holding bank slope, protecting the riverbed, and homeostasis, is difficult for rolling, is subjected to water flow impact pressure little, can not washed away loss by current.(2) effect that tangible dispersion current, dissipation energy are arranged, reduces flow velocity, holds back silt has regulation effect preferably to high sediment charge water body.(3) the intravital elasticity filter bulb of square frame biologic packing material has bigger specific surface area, and a large amount of microorganisms of apposition growth form microbial film easily, and water body is had decontamination effect improving preferably, help the improvement of quality of water environment.(4) have short preferably the silt and make the beach effect, can build diversified riverbank habitat, not only can be microorganism, algae provides and adheres to medium, can also perch environment with egg reproduction for zoobenthos, fish provide growth, helps the reparation of the ecosystem.(5) the square frame structure is stable, be fit to any landform and current situation, be different from the form that common water-permeable frame is piled up by jettisoninging, ecological clean dirty type square framework is fixed by the mode and the riverbed of piling, has flow impact resistant and easy working characteristics.(6) the square framework is made simply, can realize batch production production, easy construction, and easy quality and the quantity that guarantees construction, maintenance management is more convenient and expense is lower, and on the whole, the ratio of performance to price is very high.
Description of drawings
Fig. 1---reinforced concrete rod schematic representation.
Fig. 2---elasticity filter bulb string synoptic diagram.
Fig. 3---the clean dirty type square framework synoptic diagram of river channel ecology.
Fig. 4---six framework multiple layer combination of ecological clean dirty type body synoptic diagram.
Fig. 5---six framework combinations of ecological clean dirty type retaining dam plot plan.
Among the figure 1 is the reinforced concrete rod member, the 2nd, and reinforcing bar, the 3rd, elasticity filter bulb, the 4th, polyethylene filaments, the 5th, reinforcing rod, the 6th, elasticity filter bulb string, the 7th, cube-shaped hollow skeleton, the 8th, square framework, the 9th, the clean dirty type square framework of river channel ecology, the 10th, timber or imitative timber, the 11st, retaining dam, 12 water (flow) directions.
Embodiment
The clean dirty type square framework of river channel ecology, as shown in Figure 1, prefabricated long 1m, cross dimensions are that 0.1 m * 0.1m, concrete strength are the reinforced concrete rod member 1 of C13～C15, imbed 1 long 1.3 m Φ, 10 reinforcing bar 2 in the every reinforced concrete rod member 1, and the concrete bar are all stretched out at the two ends of reinforcing bar 2.
As shown in Figure 2, make elasticity filter bulb 3 with materials such as polyethylene, polyolefin plasticss, elasticity filter bulb 3 is spherical, filter bulb inside is radial polyethylene filaments 4, have bigger specific surface area, a large amount of microorganisms of apposition growth form microbial film, effectively purifying water body easily.Elasticity filter bulb 3 is connected on the galvanized wire pole, forms elasticity filter bulb string 6.
As shown in Figure 3, the 1 welding formation of 12 reinforced concrete rod members is cube-shaped hollow skeleton 7.All be fixedly connected with reinforcing rod 5 on each bar diagonal lines in four sides of cube-shaped hollow skeleton 7, be equipped with square framework 8 and four poles in the upper and lower surface of cube-shaped hollow skeleton 7, and each root pole all fixedlys connected square framework 8 along diagonal lines with cube-shaped hollow skeleton 7, being centered close on the same axis of the center of two square frameworks 8 and upper and lower surface is connected in several elasticity filter bulb strings 6 on two relative in upper and lower surface bars along vertical direction.
Shown in Fig. 4,5, several ecological clean dirty type square frameworks are stacked together, and the square framework 8 that timber or imitative timber 10 pass on each ecological clean dirty type square framework upper and lower surface are successively formed molectrons by piling; B, a plurality of molectrons are lined up two rows side by side be fixed on the riverbed, form retaining dam 11, described retaining dam 11 and elementary stream are the direction of 110 °～120 ° of angles.The dam body length on retaining dam 11 satisfy its perpendicular to the ratio of the projecting length of elementary stream direction and river width less than 0.3.3～5 retaining dams 11 are set to form the dam group by the water (flow) direction consecutive intervals, the dam spacing is 1.5～2.5 times of dam length, lays order for by the downstream upstream.
The invention is not restricted to the square frame structure, the retaining dam technology of other multiaspect framework (as four sides framework, five frameworks etc.) combination is also within protection domain of the present invention.
After the moulding of the present invention; because the clean dirty type square framework combination retaining of river channel ecology dam is to the stream effect of choosing of current; wash away light before the dam; a little less than the backflow that produces; can alleviate current to the washing away of bank slope and riverbed, effectively play the effect of holding bank slope, protection riverbed, himself stablize, be difficult for rolling; and, can not washed away loss by current owing to permeable structure is subjected to water flow impact pressure little.
Because elasticity filter bulb 3 has bigger specific surface area, the a large amount of microorganisms of apposition growth form microbial film easily, when water body is flowed through the clean dirty type square framework combination retaining of river channel ecology dam, pollutent can obtain holding back purification under the effect of elasticity filter bulb 3 surface biological films, thereby water body had decontamination effect improving preferably, help the improvement of quality of water environment.
Because the clean dirty type square framework combination of river channel ecology retaining dam makes flow rate of water flow slow down at Ba Qu to the regulating effect of current, thereby the silt in the water body is settled down and is deposited in the riverbed.Show that according to the prototype measurement data through a flood season, the district of jettisoninging all forms a large amount of alluvials, the clean dirty type square framework of river channel ecology 1m that can deposit at least
3～2m
3More than the sand.And, because Ba Qu has produced a large amount of alluvials, help slowly forming seashore on the riverbank of straight hard, can build diversified riverbank habitat, not only can be microorganism, algae provides and adheres to medium, can also perch environment with egg reproduction for zoobenthos, fish provide growth, help the reparation of the ecosystem.
Claims (8)
1. clean dirty type square framework of river channel ecology, comprise cube-shaped hollow skeleton (7) and several elasticity filter bulb biologic packing material strings (6), it is characterized in that: described cube-shaped hollow skeleton (7) is that 12 reinforced concrete rod members (1) are formed by fixedly connecting, all be fixedly connected with reinforcing rod (5) on each bar diagonal lines in four sides of described cube-shaped hollow skeleton (7), be equipped with square framework (8) and four poles in the upper and lower surface of cube-shaped hollow skeleton (7), and each root pole all fixedlys connected square framework (8) along diagonal lines with cube-shaped hollow skeleton (7), being centered close on the same axis of the center of two square frameworks (8) and upper and lower surface, described plurality of elastic filter bulb biologic packing material string (6) all is connected along vertical direction, on the interior two relative poles of lower surface.
2. the clean dirty type square framework of river channel ecology according to claim 1, it is characterized in that: the long 1m of concrete rod member in the described reinforced concrete rod member (1), cross dimensions is 0.1 m * 0.1m, concrete strength is C13～C15, described concrete bar is imbedded 1 long 1.3 m Φ, 10 reinforcing bar (2) in advance along axis, and the concrete bar is all stretched out at the two ends of reinforcing bar (2).
3. the clean dirty type square framework of river channel ecology according to claim 1, it is characterized in that: described elasticity filter bulb string (6) is in series by galvanized wire pole at least two elasticity filter bulbs (3).
4. the clean dirty type square framework of river channel ecology according to claim 3 is characterized in that: elasticity filter bulb (3) is filled radial polyethylene filaments for being made by polyolefin plastics in the hollow skeleton of spheric.
5. one kind is adopted the clean dirty type square framework of river channel ecology as claimed in claim 1 to make up combination retaining dam method, it is characterized in that construction step is as follows: a, several ecological clean dirty type square frameworks are stacked together, and timber or imitative timber (10) are passed square framework (8) formation molectron on each ecological clean dirty type square framework upper and lower surface successively by piling; B, a plurality of molectrons are lined up two rows side by side be fixed on the riverbed, form retaining dam (11), the axis on described retaining dam (11) and elementary stream are the direction of 110 °～120 ° of angles.
6. the clean dirty type square framework of river channel ecology according to claim 5 makes up combination retaining dam method, it is characterized in that the height that stacks of ecological clean dirty type square framework is decided according to the river course degree of depth in the described molectron, be not higher than dam crest (11) with the river course water surface period when a river is at its normal level and be as the criterion.
7. the clean dirty type square framework of river channel ecology according to claim 5 makes up combination retaining dam method, the dam body length that it is characterized in that described retaining dam (11) perpendicular to the ratio of the projecting length of water (flow) direction and river width less than 0.3.
8. the clean dirty type square framework of river channel ecology according to claim 5 makes up combination retaining dam method, it is characterized in that 3～5 retaining dams (11) being set continuously to form the dam group along water (flow) direction, the spacing on adjacent two retaining dams (11) is 1.5～2.5 times of dam length, lays order for by the downstream upstream.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923914A (en) * | 2012-11-14 | 2013-02-13 | 浙江大学 | Original-position denitrification reactor in flowing water area |
| CN102942252A (en) * | 2012-11-23 | 2013-02-27 | 杭州银江环保科技有限公司 | Combined zoology purifying cage |
| CN103526722A (en) * | 2013-10-16 | 2014-01-22 | 中国科学院、水利部成都山地灾害与环境研究所 | Debris flow gabion prevention and control structural body and design method thereof |
| CN104773813A (en) * | 2015-03-24 | 2015-07-15 | 天津大学 | In-situ biological strengthening purification method for river and lake water |
| CN105948231A (en) * | 2016-05-09 | 2016-09-21 | 安徽工程大学 | Polyhedron hollow ball filler device and filler-cyclic activated sludge system having the same |
| CN107032480A (en) * | 2017-06-07 | 2017-08-11 | 安吉国千环境科技有限公司 | A kind of water quality monitoring apparatus |
| CN109122271A (en) * | 2018-08-01 | 2019-01-04 | 中国水利水电科学研究院 | Adopt the Ecosystem restoration system in sand riverbed |
| CN109574236A (en) * | 2019-01-17 | 2019-04-05 | 长江水利委员会长江科学院 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
| CN109707001A (en) * | 2019-01-11 | 2019-05-03 | 中国水利水电科学研究院 | Water supply high sand-carrying water body water fetching device based on Flow vibration principle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923914A (en) * | 2012-11-14 | 2013-02-13 | 浙江大学 | Original-position denitrification reactor in flowing water area |
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| CN105948231A (en) * | 2016-05-09 | 2016-09-21 | 安徽工程大学 | Polyhedron hollow ball filler device and filler-cyclic activated sludge system having the same |
| CN107032480A (en) * | 2017-06-07 | 2017-08-11 | 安吉国千环境科技有限公司 | A kind of water quality monitoring apparatus |
| CN107032480B (en) * | 2017-06-07 | 2023-07-07 | 浙江国千环境技术发展有限公司 | Water quality monitoring device |
| CN109122271A (en) * | 2018-08-01 | 2019-01-04 | 中国水利水电科学研究院 | Adopt the Ecosystem restoration system in sand riverbed |
| CN109122271B (en) * | 2018-08-01 | 2020-08-11 | 中国水利水电科学研究院 | Adopt ecological remediation system of sand riverbed |
| CN109707001A (en) * | 2019-01-11 | 2019-05-03 | 中国水利水电科学研究院 | Water supply high sand-carrying water body water fetching device based on Flow vibration principle |
| CN109707001B (en) * | 2019-01-11 | 2024-03-19 | 中国水利水电科学研究院 | Water supply high-sand-content water body water taking device based on flow-induced vibration principle |
| CN109574236A (en) * | 2019-01-17 | 2019-04-05 | 长江水利委员会长江科学院 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
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Application publication date: 20110525 |