CN205538525U - Geotextile bank protection water erosion characteristic test device - Google Patents
Geotextile bank protection water erosion characteristic test device Download PDFInfo
- Publication number
- CN205538525U CN205538525U CN201620111448.5U CN201620111448U CN205538525U CN 205538525 U CN205538525 U CN 205538525U CN 201620111448 U CN201620111448 U CN 201620111448U CN 205538525 U CN205538525 U CN 205538525U
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- China
- Prior art keywords
- baffle plate
- geotextile
- bank protection
- characteristic test
- tank
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Abstract
The utility model relates to a geotextile bank protection water erosion characteristic test device. The device includes the basin that cistern and slope set up, be provided with the immersible pump in the cistern, the top top -down of basin sets gradually sclausura baffle, macropore baffle and the aperture baffle of direction of height, is provided with a plurality of holes on macropore baffle and the aperture baffle, macropore baffle, aperture baffle, sclausura baffle enclose into the stationary flow groove with gutter sides jointly, the delivery port and the stationary flow groove intercommunication of immersible pump. Geotextile bank protection water erosion characteristic test device through the condition of the actual engineering of modeling, from erosion process, mechanism and the inefficacy characteristic of analysis geotextile in side slope protecting project, probes the interact relation between each influence factor, guides later side slope protection and the design of optimization side slope.
Description
Technical field
This utility model relates to a kind of geotextile bank protection water erosion characteristic test apparatus, belongs to the technology neck of geotextile bank protection
Territory.
Background technology
Along with the fast development of national economy, China's protection to ecological, environmental protective while greatly developing economy is paid attention to the most further,
Artificial Side-slope needs the problem solved to include, Gu slope bank protection, anti-erosion etc., and present Artificial Side-slope protection works start choosing
With ecological vestige, replace poor durability, ecological effect unconspicuous traditional bank technology.Wherein with geotechnical grid, three
The complex ecological bulkhead tech that the geotextiles such as dimension geotechnique's gauze pad combine with vegetation is most widely used, and obtains good application
Effect.
The outer bank protection about geotextile of Present Domestic is studied and is mostly absorbed in vegetation and grows up to the anti-of rear side slope and invade candle ability, and to planting
Before growing up to, the research of geotextile bank protection antiscour erosiveness and domatic destructive characteristics is less, does not also have in prior art
Specialize in system, be simulated for geotextile bank protection water erosion attribute testing.
Geotextile refers to also known as (geofabrics or geomembrane), with synthetic fibers weaving or through nothings such as cementing, hot pressing acupunctures
The civil engineering coiled material that spinning process is made.Refer to Chinese patent CN202753516U restoration of the ecosystem geotextile, this ecology
Repair geotextile to be formed by three-decker is compound, be 200g acupuncture chopped strand non-woven geotechnical cloth layer the most successively, change
Property montmorillonite breeze layer, continuous fiber acupuncture nonwoven geotechnique's layer of cloth, this three-decker by needling process composite joint together.
Restoration of the ecosystem geotextile energy active adsorption heavy metal, effective purify from surface pond or the heavy metal of air floating thing and
Other noxious substances, so reduce heavy metal to soil and the pollution of water, and save water and energy, slow release environmental protection, reinforcement water resistant soil
Run off.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of geotextile bank protection water erosion characteristic test apparatus.
The technical solution of the utility model is as follows:
A kind of geotextile bank protection water erosion characteristic test apparatus, including cistern and the tank being obliquely installed；Described cistern
Inside it is provided with immersible pump；The top of described tank is disposed with imperforate baffle, macropore baffle plate and aperture baffle plate from top to bottom, greatly
It is provided with multiple hole on hole baffle plate and aperture baffle plate；Macropore baffle plate, aperture baffle plate, imperforate baffle surround jointly with basin sidewall
Stable chute；The outlet of immersible pump connects with stable chute.Be sequentially arranged in stable chute the three thin steel shoes in road (imperforate baffle,
Macropore baffle plate and aperture baffle plate) play the effect of buffering, stationary flow；Hole on macropore baffle plate and aperture baffle plate, can eliminate water
The local turbulent fluctuation of stream, it is ensured that in uniform fluid flow, stable inflow tank.
Preferably, described geotextile bank protection water erosion characteristic test apparatus also includes that gradient regulates system, described gradient
Regulation system includes hydraulic jack and steel wire rope；The free end of hydraulic jack is provided with pulley；One end of steel wire rope is fixedly installed,
The free end of steel wire rope is walked around pulley and is connected with the top of tank.The advantage herein designed is, make use of the characteristic of movable pulley, water
The climb of groove is the twice of hydraulic jack free end climb, more compact structure, controls accurately.Operationally, hydraulic pressure
Steel wire rope on band movable pulley when the free end of oil cylinder lifts, steel wire rope pulls tank to move up and down, the side slope of simulation different angles.
It is further preferred that described gradient regulation system also includes girt, girt is arranged on the freedom of hydraulic jack
End；The quantity of pulley is two, and two pulleys are arranged on the two ends of girt, and the free end of steel wire rope is walked around pulley and set respectively
Put the both sides, end at tank.
Further preferred, the length of girt is more than or equal to the width of tank.The length of girt is more than or equal to tank
Width, the stability of tank can be improved.
It is further preferred that described bottom of gullet is provided with dismountable triangular steelframe, the free end of steel wire rope and triangle steelframe
Top connects；The bottom of triangle steelframe is provided with guide rail, and the bottom of triangle steelframe is connected with slide.Triangle steelframe is in order to protect
Protecting tank, anti-water stopping trough deforms, and tank removably connects with triangle steelframe, can change different size according to different tests demand
Tank, versatility is high.
Further preferred, one end of guide rail is provided with safety screen.Safety screen prevents triangle steelframe from guide rail landing.
Preferably, described diving delivery side of pump has been sequentially connected in series Pressure gauge, choke valve, electromagnetic flowmeter and tee ball valve.Throttling
Valve is used for regulating flow, and electromagnetic flowmeter is used for monitoring flow, and tee ball valve is used for regulating water (flow) direction.
Preferably, the hole on macropore baffle plate and aperture baffle plate is circular hole, a height of the 15 of described imperforate baffle～25cm, macropore baffle plate
A height of 45～55cm, on macropore baffle plate, the aperture of circular hole is 2～3cm；Aperture baffle plate a height of 45～55cm, circle on aperture baffle plate
The aperture in hole is 0.4～0.6cm；The length × width × height of described tank is 5.6m × 1m × 0.5m.
Preferably, the sidewall of tank is poly (methyl methacrylate) plate, and the bottom of tank is stainless steel materials, and described macropore baffle plate, aperture keep off
Plate, imperforate baffle are tightly connected with basin sidewall, bottom of gullet respectively；Aperture baffle plate, macropore baffle plate and imperforate baffle respectively with
Bottom of gullet is vertical.The outlet of described immersible pump is arranged on the upside of aperture baffle plate；The outlet at bottom of tank is provided with sedimentation tank,
Described sedimentation tank is PVC material, and sedimentation tank is used for sample collection and sediment deposition.
A kind of method utilizing said apparatus to carry out geotextile bank protection water erosion attribute testing, comprises the following steps that
(1) banket:
Ground floor soil moved in improve the original is filled out at bottom of gullet, smooth domatic；
(2) laying geotextile:
Laying geotextile fixing geotextile on ground floor soil moved in improve the original, backfill second layer soil moved in improve the original is smooth the most domatic, and utilizes water
Quasi-instrument and levelling rod control slope leveling；
(3) flow is adjusted:
Discharge being adjusted to test necessary flow, current lead to tank；Tee ball valve has an entrance and two outlets, its
In an outlet be opened to cistern, another outlet connects with tank, and in front period regulation period, regulation tee ball valve makes current return
To cistern, not only make equipment and experimentation succinctly efficient, and achieve recycling of water in cistern；After regulation and control terminate,
Change the water (flow) direction of tee ball valve, make the current direction tank in cistern, start experimental test.
Preferably, after step (3), also include the step of observed and recorded, observe and record domatic overland flow in scour process
Experiment parameter, the variation tendency of experiment parameter and the destructive characteristics of slope erosion.
Preferably, in step (2), after backfill soil moved in improve the original, the height of soil moved in improve the original is the height of imperforate baffle.
Preferably, the method for described geotextile bank protection water erosion attribute testing also includes, collection site soil sample, by hitting reality
Test determines optimum moisture content, is optimum moisture content by soil moved in improve the original moisture control, to reach comparatively ideal consolidation effect.
Preferably, the method for described geotextile bank protection water erosion attribute testing also includes the step regulating tank angle；Control
Hydraulic jack free end moves up and down, and makes tank meet requirement of experiment with the angle of horizontal plane.Original state, tank is in level
State, is beneficial to set up soil moved in improve the original and be adjusted the flatness on soil moved in improve the original surface, after backfill soil moved in improve the original step terminates, opens hydraulic jack
The angle of tank is adjusted.
Having the beneficial effect that of this utility model
1, geotextile bank protection water erosion characteristic test apparatus described in the utility model, can simulate different gradient and flow
Orthogonal test；
2, geotextile bank protection water erosion characteristic test apparatus described in the utility model, lifting weight is big, and equipment is simple, behaviour
Facilitating, noise is little；
3, geotextile bank protection water erosion characteristic test apparatus described in the utility model, by choke valve, electromagnetic flowmeter with
And the synergic adjustment of tee ball valve, accurately control discharge, it is to avoid the interference to test of the Flow-rate adjustment process；
4, geotextile bank protection water erosion characteristic test apparatus described in the utility model, reduces current by arranging stable chute
Turbulent fluctuation, reduce current initial kinetic energy, it is ensured that uniform fluid flow stably flows out；
5, geotextile bank protection water erosion characteristic test apparatus described in the utility model, by the condition of modeling Practical Project,
From erosion process, analyze geotextile mechanism of action in side slope protection engineering and failure characteristics, probe into each affect because of
Interaction relationship between element, instructs later side slope protection and optimization Slope Design.
Accompanying drawing explanation
Fig. 1 is the structural representation of geotextile bank protection water erosion characteristic test apparatus described in the utility model；
Fig. 2 is the structural representation of aperture baffle plate described in the utility model；
Fig. 3 is the structural representation of macropore baffle plate described in the utility model；
Fig. 4 is the structural representation of imperforate baffle described in the utility model；
Wherein, 1, cistern；2, immersible pump；3, Pressure gauge；4, choke valve；5, electromagnetic flowmeter；6, tee ball valve；
7, hydraulic jack；8, guide rail；9, stable chute；10, tank；11, pulley；12, sedimentation tank；13, girt.
Detailed description of the invention
Below in conjunction with embodiment and Figure of description, this utility model is described in detail, but is not limited to this.
Embodiment 1
As Figure 1-4.
A kind of geotextile bank protection water erosion characteristic test apparatus, including cistern 1 and the tank 10 being obliquely installed；Described storage
Immersible pump 2 (choosing QX-3-30-1.1 type immersible pump as water supply installation) it is provided with in pond 1；The top of described tank 10
Be disposed with from top to bottom be provided with on imperforate baffle, macropore baffle plate and aperture baffle plate, macropore baffle plate and aperture baffle plate multiple
Hole；Macropore baffle plate, aperture baffle plate, imperforate baffle and basin sidewall surround stable chute 9 jointly；The outlet of immersible pump 2 is with steady
Chute 9 connects.In stable chute 9, it is sequentially arranged the three thin steel shoes in road (imperforate baffle, macropore baffle plate and aperture baffle plate) rise
To buffering, the effect of stationary flow；Circular hole on macropore baffle plate and aperture baffle plate, can eliminate the local turbulent fluctuation of current, it is ensured that water
Flow in uniform, stable inflow tank 10.
Embodiment 2
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 1, its difference is, described geotextile
Bank protection water erosion characteristic test apparatus also includes that gradient regulates system, and described gradient regulation system includes hydraulic jack 7 He
Steel wire rope；The free end of hydraulic jack 7 is provided with pulley 11；One end of steel wire rope is fixedly installed on the ground, steel wire rope from
Walked around pulley 11 by end to be connected with the top of tank 10.The advantage herein designed is, make use of the characteristic of movable pulley, tank 10
The twice that climb is hydraulic jack free end climb, more compact structure, control accurately.Operationally, hydraulic oil
Steel wire rope on band movable pulley 11 when the free end of cylinder 7 lifts, steel wire rope pulls tank 10 to move up and down, and simulates different angles
Side slope.
Embodiment 3
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 2, its difference is, described gradient is adjusted
Joint system also includes that girt 13, girt 13 are arranged on the free end of hydraulic jack 7；The quantity of pulley 11 is two,
Two pulleys 11 are arranged on the two ends of girt 13, and the free end of steel wire rope is walked around pulley 11 and is separately positioned on tank 10
Both sides, end.
Embodiment 4
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 3, its difference is, girt 13
Length is more than the width of tank 10.The length of girt 13, more than the width of tank 10, can improve the stability of tank 10.
Embodiment 5
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 2, its difference is, described tank 10 end
Portion is provided with dismountable triangular steelframe, and the free end of steel wire rope is connected with the top of triangle steelframe；The bottom of triangle steelframe is arranged
Having guide rail 8, the bottom of triangle steelframe is slidably connected with guide rail 8 by roller.Triangle steelframe, in order to protect tank 10, prevents water
Groove 10 deforms, and tank 10 removably connects with triangle steelframe, can change the tank 10 of different size according to different tests demand,
Versatility is high.
Embodiment 6
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 5, its difference is, one end of guide rail 8
End is provided with safety screen, prevents the landing from guide rail 8 of triangle steelframe.
Embodiment 7
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 1, its difference is, described immersible pump 2
Outlet be sequentially connected in series Pressure gauge 3, choke valve 4, electromagnetic flowmeter 5 and tee ball valve 6.Choke valve 4 is used for regulating flow,
Electromagnetic flowmeter 5 is used for monitoring flow, and tee ball valve 6 is used for regulating water (flow) direction.
Embodiment 8
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 1, its difference is, described imperforate baffle
A height of 15cm, a height of 45cm of macropore baffle plate, on macropore baffle plate, the aperture of circular hole is 3cm；The a height of 45cm of aperture baffle plate is little
On the baffle plate of hole, the aperture of circular hole is 0.6cm；The length × width × height of described tank 10 is 5.6m × 1m × 0.5m.
Embodiment 9
According to the geotextile bank protection water erosion characteristic test apparatus described in embodiment 1, its difference is, the sidewall of tank 10
For poly (methyl methacrylate) plate, the bottom of tank 10 is stainless steel materials, described macropore baffle plate, aperture baffle plate, imperforate baffle respectively with water
Groove sidewall, bottom of gullet are tightly connected；Aperture baffle plate, macropore baffle plate are vertical with bottom of gullet respectively with imperforate baffle.Described latent
The outlet of water pump 2 is arranged on the upside of aperture baffle plate；The outlet at bottom of tank 10 is provided with sedimentation tank 12, described sedimentation tank 12
For PVC material, sedimentation tank 12 is for sample collection and sediment deposition.
Claims (9)
1. a geotextile bank protection water erosion characteristic test apparatus, it is characterised in that include cistern and the tank being obliquely installed；It is provided with immersible pump in described cistern；The top of described tank is disposed with from top to bottom on imperforate baffle, macropore baffle plate and aperture baffle plate, macropore baffle plate and aperture baffle plate and is provided with multiple hole；Macropore baffle plate, aperture baffle plate, imperforate baffle and basin sidewall surround stable chute jointly；The outlet of immersible pump connects with stable chute.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 1, it is characterized in that, described geotextile bank protection water erosion characteristic test apparatus also includes that gradient regulates system, and described gradient regulation system includes hydraulic jack and steel wire rope；The free end of hydraulic jack is provided with pulley；One end of steel wire rope is fixedly installed, and the free end of steel wire rope is walked around pulley and is connected with the top of tank.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 2, it is characterised in that described gradient regulation system also includes girt, and girt is arranged on the free end of hydraulic jack；The quantity of pulley is two, and two pulleys are arranged on the two ends of girt, and the free end of steel wire rope is walked around pulley and is separately positioned on the both sides, end of tank.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 3, it is characterised in that the length of girt is more than or equal to the width of tank.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 2, it is characterised in that described bottom of gullet is provided with dismountable triangular steelframe, and the free end of steel wire rope is connected with the top of triangle steelframe；The bottom of triangle steelframe is provided with guide rail, and the bottom of triangle steelframe is connected with slide.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 5, it is characterised in that one end of guide rail is provided with safety screen.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 1, it is characterised in that described diving delivery side of pump has been sequentially connected in series Pressure gauge, choke valve, electromagnetic flowmeter and tee ball valve.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 1, it is characterized in that, hole on macropore baffle plate and aperture baffle plate is circular hole, a height of the 15 of described imperforate baffle～25cm, macropore baffle plate a height of 45～55cm, and on macropore baffle plate, the aperture of circular hole is 2～3cm；Aperture baffle plate a height of 45～55cm, on aperture baffle plate, the aperture of circular hole is 0.4～0.6cm；The length × width × height of described tank is 5.6m × 1m × 0.5m.
Geotextile bank protection water erosion characteristic test apparatus the most according to claim 1, it is characterized in that, the sidewall of tank is poly (methyl methacrylate) plate, and the bottom of tank is stainless steel materials, and described macropore baffle plate, aperture baffle plate, imperforate baffle are tightly connected with basin sidewall, bottom of gullet respectively；Aperture baffle plate, macropore baffle plate are vertical with bottom of gullet respectively with imperforate baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620111448.5U CN205538525U (en) | 2016-02-03 | 2016-02-03 | Geotextile bank protection water erosion characteristic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620111448.5U CN205538525U (en) | 2016-02-03 | 2016-02-03 | Geotextile bank protection water erosion characteristic test device |
Publications (1)
| Publication Number | Publication Date |
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| CN205538525U true CN205538525U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620111448.5U Expired - Fee Related CN205538525U (en) | 2016-02-03 | 2016-02-03 | Geotextile bank protection water erosion characteristic test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510167A (en) * | 2016-02-03 | 2016-04-20 | 山东大学 | Water erosion characteristic testing device and method for geotextile slope protection |
| CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
| CN110286027A (en) * | 2019-05-30 | 2019-09-27 | 青岛农业大学 | Consider that the riverbank soil body of red building root system influence washes away the quantization method of parameter |
-
2016
- 2016-02-03 CN CN201620111448.5U patent/CN205538525U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510167A (en) * | 2016-02-03 | 2016-04-20 | 山东大学 | Water erosion characteristic testing device and method for geotextile slope protection |
| CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
| CN110286027A (en) * | 2019-05-30 | 2019-09-27 | 青岛农业大学 | Consider that the riverbank soil body of red building root system influence washes away the quantization method of parameter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |