CN204510136U - Rivers bank slope imitates pasture and water energy dissipating safeguard structure - Google Patents
Rivers bank slope imitates pasture and water energy dissipating safeguard structure Download PDFInfo
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- CN204510136U CN204510136U CN201520127278.5U CN201520127278U CN204510136U CN 204510136 U CN204510136 U CN 204510136U CN 201520127278 U CN201520127278 U CN 201520127278U CN 204510136 U CN204510136 U CN 204510136U
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- steel pipe
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Abstract
The utility model discloses a kind of rivers bank slope and imitate pasture and water energy dissipating safeguard structure, comprise along Parallel to the flow direction be horizontally fixed on rivers bank protection domatic on the steel pipe and put imitative pasture and water flexible energy dissipation body in the inner of cracking, the steel pipe that cracks is for along the domatic upper and lower spaced apart multilayer of bank protection; Imitative pasture and water flexible energy dissipation body is that gap is set in the interior steel pipe cracked in steel pipe, on interior steel pipe, apart windings has the flexible towlines of many imitative pasture and water vertically, and the end that every root imitates the flexible towline of pasture and water all to be extended outside cracking of the steel pipe that cracks and is fixedly connected with low-density ball float; The diameter of low-density ball float is greater than the width that cracks of the steel pipe that cracks.The utility model advantage is to eliminate because protecting the phenomenon causing river bed scouring downcut increasing, tamper protection basis.Protection is become initiatively from passive, improves the flow boundary condition around preventive works, that weakens protection substrate riverbed washes away distortion; Imitative pasture and water flexible energy dissipation body can adjust position and replacing flexibly, extends engineering service life.
Description
Technical field
The utility model relates to rivers bank slope structure, especially relates to rivers bank slope and imitates pasture and water energy dissipating safeguard structure.
Background technology
In river management engineering, to streamflow oblique impact, top trimming bank, narrow section of water stream, need to take certain engineering protection measure, reach and make river course bank slope safety, water flow stationary carry object.At present, the main material summary of building preventive works use can be divided into four large classes: civil structure, masonry structure, concrete structure, combination construction.Civil structure material is based on rammed earth, timber and plant branches and tendrils; Masonry structure, based on burned brick, block stone, mainly resists current scour to build protection structure body; Concrete structure has integral cast-in-situ bank protection, geomembrane enveloped concrete bank protection, reinforced concrete permeable stake dam structure etc.; Combination construction integrated civil and masonry combine utilization.
Rigid structures and flexible structure two kinds can be divided into by protection body structural constraint character, usually, smooth-going section in river course, take rigid structures more; In river course flexural deformation section, adopt flexible structure.Rigid protection many employings cast-in-situ concrete, precast concrete, mold-bagged concrete, reinforced concrete wall, grout stone walling etc.; Rigid structures good integrity, impact resistance is strong, confinement of flow, stable bank slope, beautify the environment in successful, major defect is adaptive deformation ability, wash away distortion, back slope soil matrix deformation effect by river bed, destroy and mostly be fracture, locally collapse, slippage etc.Flexible protective structure main feature has certain deformation space, retrains little between protective materials monomer, and common engineering measure has loose jackstone, cage stone, Liu Shizhen, multiway concrete precast block etc., and advantage is that adaptive deformation ability is strong, easily constructs; Shortcoming is that impact resistance is weak, meets compared with fragile during great flood.Destruction mostly is part collapse, carries secretly and wander away; For strengthening the globality of protection, in engineering, large multiplex cage stone junior unit structure makes up.
Usually, in the improvement of great rivers, the more rigid structures limit bank protection taking stone-laying and concrete to combine, more employing steel mesh cage stone flexible structure, applied wider in the last few years.But no matter any safeguard structure, principle of its protection is all rely on self opposing impact or choose bank of wandering about as a refugee, and biases toward passive adaptation river-bed deformation, and less offshore flow-shape and the energy of initiatively changing is to reach stabilization protective substrate riverbed.How to reach safe order, all relevant reports can be yet there are no by utilizing rivers bank slope protection self structure to reach initiatively to cut down offshore water.
Summary of the invention
The utility model object is to provide a kind of rivers bank slope to imitate pasture and water energy dissipating safeguard structure.
For achieving the above object, the utility model takes following technical proposals:
Rivers bank slope described in the utility model imitates pasture and water energy dissipating safeguard structure, comprise along Parallel to the flow direction be horizontally fixed on rivers bank protection domatic on the steel pipe and put imitative pasture and water flexible energy dissipation body in the inner of cracking, described in crack steel pipe for along the domatic upper and lower spaced apart multilayer of bank protection; Described imitative pasture and water flexible energy dissipation body is that gap is set in the interior steel pipe cracked in steel pipe, on described interior steel pipe, apart windings has the flexible towlines of many imitative pasture and water vertically, and the end that described every root imitates the flexible towline of pasture and water all to be extended outside cracking of the steel pipe that cracks and is fixedly connected with low-density ball float; The diameter of described low-density ball float is greater than the width that cracks of the steel pipe that cracks.
Described interior steel pipe is the interior steel pipe that cracks, in the described interior steel pipe that cracks, gap is fitted with card article vertically, the seam that the width of described card article is greater than the interior steel pipe that cracks is wide, and card article is fixed with selvedge vertically, and the flexible towline of described many imitative pasture and water is all fixedly connected with described selvedge; Two mouths of pipe of the described steel pipe that cracks are respectively arranged with pipe plug, and described pipe plug inner face is provided with locating shaft, and described locating shaft extends to and cracks in the mouth of pipe of interior steel pipe.
The length of the described steel pipe that cracks is 6 meters-9 meters, along the upper and lower interlaced arrangement of the steel pipe that cracks that Parallel to the flow direction is adjacent.
The utility model advantage is to eliminate because protecting the phenomenon causing river bed scouring downcut increasing, tamper protection basis.Imitative pasture and water flexible material and rigidity measure are combined, add the energy dissipating effect of preventive works, protection is become initiatively from passive, improves the flow boundary condition around preventive works, that weakens protection substrate riverbed washes away distortion; Imitative pasture and water flexible energy dissipation body can adjust position and replacing flexibly, extends engineering service life.
Accompanying drawing explanation
Fig. 1 be the steel pipe that cracks described in the utility model be arranged in rivers bank protection domatic on schematic diagram (concealing the flexible towline of imitative pasture and water and low-density ball float in figure).
Fig. 2 is that the A-A of Fig. 1 is to section structure schematic diagram.
Fig. 3 is that the B-B of Fig. 2 is to sectional drawing.(in figure, concealing rivers bank protection).
Fig. 4 is steel pipe and the assembling schematic diagram putting imitative pasture and water flexible energy dissipation body in the inner of cracking described in the utility model.
Detailed description of the invention
As Figure 1-4, rivers bank slope described in the utility model imitates pasture and water energy dissipating safeguard structure, comprise crack steel pipe 3 and the imitative pasture and water flexible energy dissipation body put in the inner that to be horizontally fixed on along Parallel to the flow direction 1 by cast-in fixing bolt on rivers bank protection domatic 2, according to the elevation of rivers bank slope, cracking steel pipe 3 can along on bank protection domatic 2, lower interval is arranged two-layer, three layers or multilayer, the length of steel pipe 3 of cracking is selected between 6 meters-9 meters according to different slopes section, adjacent slope section crack on steel pipe 3, lower floor's interlaced arrangement, be convenient to change the imitative pasture and water flexible energy dissipation body cracked in steel pipe 3 like this.
As shown in Figure 3-4, imitative pasture and water flexible energy dissipation body is that gap is set in the interior steel pipe 4 that cracks cracked in steel pipe 3, gap vertically of cracking in interior steel pipe 4 is fitted with card article 5, the seam that the width of card article 5 is greater than the interior steel pipe 4 that cracks is wide to avoid card article 5 to pass in seam, card article 5 is fixed with selvedge 6 vertically, on selvedge 6, interval is fixed with the many flexible towlines 7 of imitative pasture and water along its length, the flexible towline 7 of imitative pasture and water adopts PET-PP polyester/polypropylene material to make, the length of the flexible towline 7 of imitative pasture and water is determined according to protection streamflow regime, selvedge 6 and Duo Gen imitate the flexible towline 7 of pasture and water and are wrapped in the interior steel pipe outer peripheral face that cracks, the end that every root imitates the flexible towline 7 of pasture and water all to be extended outside cracking of the steel pipe 3 that cracks and is fixedly connected with low-density ball float 8, the diameter of low-density ball float 8 is greater than the width that cracks of the steel pipe 3 that cracks, to avoid low-density ball float 8 to enter cracking the inner chamber of steel pipe 3, two mouths of pipe of steel pipe 3 of cracking are respectively arranged with pipe plug 9, and pipe plug 9 inner face is provided with locating shaft 10, and locating shaft 10 extends in the mouth of pipe of the interior steel pipe 4 that cracks and acts on to play the location interior steel pipe 4 that cracks.
The utility model energy dissipating preventing principle is summarized as follows:
Bank complicated current in rivers limit superpose due to whirling motion, such that riverbed water vortex bottom preventive works is more favourable moves riverbed grogs, and root is occurred, and incision is washed in a pan digs phenomenon.Weaken backflow and whirlpool intensity, then can cut down the detrimental effect of current to riverbed.
During natural river course high water level, oblique impact, top rush the streamflow regime at position for turbulent flow, have the feature of vortex, diffusivity and dissipativeness.The operation being conducted through vortex transmission maintenance turbulent flow of field of turbulent flow energy, turbulent energy loss mainly realizes in the stickiness dissipation of the final stage small scale vortex of energy level string, and therefore the effect of small scale vortex in energy dissipation is very remarkable.The process of breakup step by step of turbulent eddy has the effect making turbulent motion be tending towards homogenising and isotropization, and it makes the vortex anisotropy of small scale greatly weaken consequently close to isotropism.Small scale vortex also weakens gradually by the impact of flow field fringe conditions, directly causes and has nothing to do with flow field fringe conditions.
The turbulent flow of natural river course bend section, belong to the boundary layer turbulent flow sheared in turbulent flow under nearly wall turbulent flow, turbulent fluctuation eddy current is descending, propagates along domatic 2, and near bottom, turbulence intensity is maximum, the most weak near water surface turbulence intensity, and is inwardly weakened gradually by limit bank.
Imitative pasture and water flexible energy dissipation protection changes current whirling motion space, low-density ball float 8 and the flexible towline 7 of imitative pasture and water float in water and play drag interaction to current, prevent the conveying of whirlpool body, play Ti Wei little whirlpool, accelerated decomposition large whirlpool body, reduce the effect of current eddy velocity, water level local is made to stop up high, kinetic energy reduces, thus reaches rivers bank slope energy dissipation protection object.
Claims (3)
1. a rivers bank slope imitates pasture and water energy dissipating safeguard structure, it is characterized in that: comprise along Parallel to the flow direction be horizontally fixed on rivers bank protection domatic on the steel pipe and put imitative pasture and water flexible energy dissipation body in the inner of cracking, described in crack steel pipe for along the domatic upper and lower spaced apart multilayer of bank protection; Described imitative pasture and water flexible energy dissipation body comprises gap and is set in the interior steel pipe cracked in steel pipe, on described interior steel pipe, apart windings has the flexible towlines of many imitative pasture and water vertically, and the end that described every root imitates the flexible towline of pasture and water all to be extended outside cracking of the steel pipe that cracks and is fixedly connected with low-density ball float; The diameter of described low-density ball float is greater than the width that cracks of the steel pipe that cracks.
2. rivers bank slope according to claim 1 imitates pasture and water energy dissipating safeguard structure, it is characterized in that: described interior steel pipe is the interior steel pipe that cracks, in the described interior steel pipe that cracks, gap is fitted with card article vertically, the seam that the width of described card article is greater than the interior steel pipe that cracks is wide, card article is fixed with selvedge vertically, and the flexible towline of described many imitative pasture and water is all fixedly connected with described selvedge; Two mouths of pipe of the described steel pipe that cracks are respectively arranged with pipe plug, and described pipe plug inner face is provided with locating shaft, and described locating shaft extends to and cracks in the mouth of pipe of interior steel pipe.
3. rivers bank slope according to claim 1 and 2 imitates pasture and water energy dissipating safeguard structure, it is characterized in that: described in the crack length of steel pipe be 6 meters-9 meters, along the upper and lower interlaced arrangement of the steel pipe that cracks that Parallel to the flow direction is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127278.5U CN204510136U (en) | 2015-03-05 | 2015-03-05 | Rivers bank slope imitates pasture and water energy dissipating safeguard structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127278.5U CN204510136U (en) | 2015-03-05 | 2015-03-05 | Rivers bank slope imitates pasture and water energy dissipating safeguard structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204510136U true CN204510136U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520127278.5U Withdrawn - After Issue CN204510136U (en) | 2015-03-05 | 2015-03-05 | Rivers bank slope imitates pasture and water energy dissipating safeguard structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204510136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695381A (en) * | 2015-03-05 | 2015-06-10 | 黄河勘测规划设计有限公司 | Water plant simulated energy-dissipation protective structure for river bank slopes |
| CN105113457A (en) * | 2015-09-14 | 2015-12-02 | 朱明德 | Method for improving survival rate of biological water grasses and reducing erosion corrosion of bottom and side walls of stream ditches due to turbulent flows in water flows in water conservancy engineering |
-
2015
- 2015-03-05 CN CN201520127278.5U patent/CN204510136U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695381A (en) * | 2015-03-05 | 2015-06-10 | 黄河勘测规划设计有限公司 | Water plant simulated energy-dissipation protective structure for river bank slopes |
| CN104695381B (en) * | 2015-03-05 | 2016-03-02 | 黄河勘测规划设计有限公司 | Rivers bank slope imitates pasture and water energy dissipating safeguard structure |
| CN105113457A (en) * | 2015-09-14 | 2015-12-02 | 朱明德 | Method for improving survival rate of biological water grasses and reducing erosion corrosion of bottom and side walls of stream ditches due to turbulent flows in water flows in water conservancy engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |