CN111829921A - Hydraulic washout experiment device and method for arsenopyrite region - Google Patents
Hydraulic washout experiment device and method for arsenopyrite region Download PDFInfo
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- CN111829921A CN111829921A CN202010738366.4A CN202010738366A CN111829921A CN 111829921 A CN111829921 A CN 111829921A CN 202010738366 A CN202010738366 A CN 202010738366A CN 111829921 A CN111829921 A CN 111829921A
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Abstract
The invention provides a hydraulic scouring experimental device and method for a sandstone area, wherein the experimental device comprises: the utility model provides a sandstone district hydraulic washout experimental apparatus, it includes: the water supply mechanism is used for loading a water isolating mechanism to be flushed, the water supply mechanism is used for providing a water source for the water isolating mechanism, and the collecting mechanism is used for collecting silt, and the water supply mechanism, the water isolating mechanism and the collecting mechanism are sequentially detachably connected. The invention has the beneficial effects that: through designing water proof mechanism, water supply mechanism and collection mechanism, be convenient for the visual observation water conservancy scouring process, be convenient for visual observation runoff hydrodynamic features and erosion sand production process can the repetition test, improves the experimental data precision.
Description
Technical Field
The invention relates to the technical field of runoff water dynamic characteristic observation and hydraulic erosion monitoring, in particular to a hydraulic erosion experimental device and method for a sandstone area.
Background
Hydraulic erosion is the entire process of destruction, erosion, transport and deposition of soil, earth mass or other ground constituent materials under the action of precipitation, surface runoff and subsurface runoff. The environmental problems of water and soil loss and land productivity degradation caused by hydraulic erosion are one of global problems to be solved urgently in the current international society, particularly in the arsenopyrite area in the junction area of northwest Shanxi province of China, the rainfall is in shortage, the rainfall form is mainly heavy rain, in addition, bedrock in the area is extremely easy to erode to produce sand, and the land degradation problem caused by hydraulic erosion seriously influences the sustainable development of the local farming and animal husbandry and the social and economic stability.
The research on the hydraulic erosion mechanism is always the core problem of water and sand regulation and ecological environment restoration in the exposed sandstone area and is also the premise of scientific decision-making of the artificial vegetation allocation scheme. The measurement of the water dynamics characteristics through the slope water discharge scouring test is the basis for carrying out the works such as water erosion process monitoring, water erosion model verification and revision, water erosion strength and hazard assessment, water erosion control measure effect evaluation and the like.
At present, there is no device and method for measuring hydrodynamic characteristics of slope in arsenopyrite area in unified standard domestically and internationally, and the existing measuring method comprises: the field scouring method comprises the steps of selecting a typical slope, building a wall of a scouring community by adopting materials such as masonry or iron sheets, flushing the slope by water, observing the flow rate, analyzing the hydrodynamic characteristics of runoff and erosion sand production processes. The method is extremely easy to be limited by terrain, is not beneficial to the development of repeated tests, and has lower measurement precision.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a hydraulic washout experimental device and method for a sandstone area.
The technical scheme for solving the technical problems is as follows: the utility model provides a sandstone district hydraulic washout experimental apparatus, it includes: the water supply mechanism is used for loading a water isolating mechanism to be flushed, the water supply mechanism is used for providing a water source for the water isolating mechanism, and the collecting mechanism is used for collecting silt, and the water supply mechanism, the water isolating mechanism and the collecting mechanism are sequentially detachably connected.
The invention has the beneficial effects that: through designing water proof mechanism, water supply mechanism and collection mechanism, be convenient for the visual observation water conservancy scouring process, be convenient for visual observation runoff hydrodynamic features and erosion sand production process can the repetition test, improves the experimental data precision.
Further, the water-resisting mechanism is of an open-top structure.
The beneficial effect of adopting the further scheme is that: the water-resisting mechanism is of an open-top structure, is convenient for water-resisting treatment on the area to be scoured, quantifies the volume of the area to be scoured, improves the accuracy of experimental data, improves the experimental efficiency, and reduces the production cost of the experimental device.
Further, the water stop mechanism includes: the water-resisting device comprises a bottom plate used for loading an area to be flushed and three side plates used for blocking water, wherein the three side plates are detachably arranged at three boundary positions of the water-resisting mechanism respectively.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the bottom plate and the side plates, the assembly and maintenance of the water-resisting mechanism are facilitated, the transportation and storage of the water-resisting mechanism are facilitated, and the portability of the experimental device is improved.
Further, the base plate includes: the water-proof canvas comprises two first frameworks used for supporting an area to be scoured, a plurality of second frameworks used for supporting the area to be scoured and a water-proof canvas sleeve; the two first frameworks are arranged in parallel, the plurality of second frameworks are arranged between the two first frameworks in parallel, two ends of the second frameworks are connected with the two first frameworks in a one-to-one correspondence mode respectively, and the waterproof canvas sleeve is detachably coated on the outer sides of the first frameworks and the second frameworks.
The beneficial effect of adopting the further scheme is that: the setting of skeleton for treating and erodeing the regional supporting role that plays, the experimental apparatus of being convenient for is to the quantitative region of waiting to erode and is experimented, and wait to erode regional setting on the skeleton, can improve and wait to erode the frictional force of region and skeleton, improve the simulation degree that water conservancy erodeed, improve the accurate nature of experimental data. Waterproof canvas cover is used for the water proof, prevents to wait to erode water and soil outside the region and disturbs the experimental data, improves the experiment precision.
Further, the water supply mechanism includes: the water storage bucket, be used for to the overflow launder of water-stop mechanism in and be used for connecting the water storage bucket with the water supply pipe of overflow launder, the water storage bucket passes through water supply pipe and is connected with overflow launder detachably, the overflow launder sets up in the top of water-stop mechanism.
The beneficial effect of adopting the further scheme is that: the overflow groove is used for overflowing into the water-resisting mechanism, overflowing into the area to be scoured through the overflow groove, simulating the hydraulic scouring process, improving the fidelity of the hydraulic scouring experiment and improving the accuracy of the experimental data.
Further, the water supply mechanism further includes: a flow control mechanism for supporting the first support of water storage bucket and being used for controlling water supply pipe flow, water storage bucket detachably sets up on the first support, the one end of water supply pipe with water storage bucket detachably connects, flow control mechanism detachably sets up the other end of water supply pipe.
The beneficial effect of adopting the further scheme is that: flow control mechanism's setting for control water supply pipe flow, the user of being convenient for controls water supply flow according to the experiment needs, is convenient for obtain the experimental data under the different scenes, improves experimental efficiency, improves the experimental data precision.
Further, the water storage bucket includes: the water storage bucket comprises a foldable steel wire framework, a waterproof canvas and a valve used for controlling water outlet of the water storage bucket, wherein the waterproof canvas is detachably coated on the outer side of the foldable steel wire framework, the valve is arranged on the waterproof canvas, and the valve is detachably connected with an overflow groove through a water supply pipeline.
The beneficial effect of adopting the further scheme is that: the setting of collapsible steel wire framework, canvas and valve, the installation and the maintenance of the water storage bucket of being convenient for, the transportation and the storage water storage bucket of being convenient for improve the portability of water storage bucket, and the user of being convenient for is experimented the regional of waiting to erode in different places.
Further, the collecting mechanism is a folding barrel body, and the collecting mechanism is detachably arranged below the water isolating mechanism.
The beneficial effect of adopting the further scheme is that: the collecting mechanism is a folding barrel body, so that the collecting mechanism is convenient to install and maintain, convenient to transport, store and collect, the portability of the collecting mechanism is improved, and a user can conveniently test the to-be-scoured areas in different places.
Further, still include: the flow velocity monitoring mechanism is used for detecting the flow velocity of water in the water-resisting mechanism and is used for supporting the second support of the flow velocity monitoring mechanism, the second support is detachably connected with the water-resisting mechanism, the flow velocity monitoring mechanism is detachably arranged on the second support, and the flow velocity monitoring mechanism is located above the water-resisting mechanism.
The beneficial effect of adopting the further scheme is that: the setting of velocity of flow monitoring mechanism for detect the rivers velocity of flow in the water proof mechanism, the user of being convenient for accurately obtains the rivers velocity of flow in the water proof mechanism, is convenient for produce husky process according to rivers velocity of flow analysis runoff hydrodynamic features and erosion, improves experimental efficiency.
In addition, the invention also provides a hydraulic washout experiment method for the sandstone area, which is based on any one of the hydraulic washout experiment devices for the sandstone area, and the method comprises the following steps:
burying the water isolating mechanism below the area to be flushed;
the water supply mechanism supplies water into the water-resisting mechanism to wash the area to be washed;
the collecting mechanism collects the silt flowing out of the water outlet of the water isolating mechanism.
The invention has the beneficial effects that: by designing the hydraulic scouring experiment method, the hydraulic scouring process can be conveniently and visually observed, the runoff hydrodynamic characteristics and the erosion sand production process can be conveniently and visually observed, repeated tests can be realized, and the accuracy of experiment data is improved.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic flushing experimental apparatus for a sandstone area according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a water supply mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first bracket according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a base plate according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a waterproof canvas cover according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a first framework according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a square three-way fitting according to an embodiment of the present invention.
Fig. 8 is a second schematic structural view of a square three-way fitting according to an embodiment of the present invention.
Fig. 9 is a third schematic structural view of a square three-way fitting according to an embodiment of the present invention.
Fig. 10 is a schematic flow chart of a hydraulic flushing experimental method for a sandstone area according to an embodiment of the present invention.
The reference numbers illustrate: 1-a water-resisting mechanism; 2-a water supply mechanism; 3-a collecting mechanism; 4-a bottom plate; 5-side plate; 6-a first backbone; 7-a second backbone; 8-waterproof canvas cover; 9-a water storage barrel; 10-an overflow trough; 11-water supply pipe; 12-a first scaffold; 13-a flow control mechanism; 14-a foldable steel wire framework; 15-waterproof canvas; 16-a valve; 17-a flow rate monitoring mechanism; 18-a second scaffold; 19-a data acquisition device; 20-square tee fittings; 21-a pillar; 22-a zipper; 23-a steel pipe; 24-a screw; and 25-fixing the pile.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a hydraulic flushing experimental apparatus for a sandstone area, which includes: the water supply mechanism 2 is used for loading a water isolating mechanism 1 to be scoured, providing a water source for the water isolating mechanism 1 and collecting the mechanism 3 for collecting silt, wherein the water supply mechanism 2, the water isolating mechanism 1 and the collecting mechanism 3 are sequentially detachably connected.
The invention has the beneficial effects that: through designing water proof mechanism, water supply mechanism and collection mechanism, be convenient for the visual observation water conservancy scouring process, be convenient for visual observation runoff hydrodynamic features and erosion sand production process can the repetition test, improves the experimental data precision.
As shown in fig. 1, in particular, an embodiment of the present invention provides a portable hydraulic flushing device for a sandstone area, including: the portable washing district outer wall (being water proof mechanism 1), folded cascade water storage bucket (being water storage bucket 9), detachable increase frame (being first support 12), water supply pipe 11, flow control device (being flow control mechanism 13), overflow launder 10, folded cascade silt collecting vessel (being collecting mechanism 3) and velocity of flow monitoring device (being velocity of flow monitoring mechanism 17).
Wherein, as shown in fig. 1, the outer wall of the portable scouring community is embedded around a scouring sample plot; the foldable water storage barrel is fixedly connected with the detachable heightening frame; the water supply pipeline is connected with a valve on the foldable water storage barrel; the flow control device is arranged at the bottom end of the water supply pipeline; the overflow trough is arranged above the portable scouring cell; the foldable silt collecting barrel is arranged below the portable scouring community; the flow rate monitoring mechanism is mounted on a lateral support (i.e., the second support 18) of the portable washout cell, perpendicular to the washout slope. The flow control device and the flow rate monitoring device are connected with a data acquisition device 19 through data lines.
The invention has simple structure, reduces the earth excavation amount, saves the manpower and material resource investment and reduces the disturbance effect on the soil to the maximum extent. The restriction of the terrain on the construction process is reduced, the terrain can be quickly disassembled, and the terrain can be movably installed at any position of a monitoring area, so that runoff hydrodynamic parameters and water erosion data of different slopes, slope lengths and slope positions can be monitored. Through convenient and fast's dismantlement and installation, can lay a plurality of districts that erode in a plurality of samming, carry out the test many times, increase data repetition volume, promote data accuracy. The measurement result can provide data support for scientific research in the fields of soil erosion science, forestry and ecology and the planning of water and soil conservation projects of railways, roads, industrial and mining industries and the like.
As shown in fig. 4, the portable scour cell exterior wall includes removable bones and a square tee fitting 20. The detachable framework comprises a transverse framework (namely a first framework 6), a longitudinal framework (namely a second framework 7) and a strut 21; hole sites with the aperture consistent with that of the longitudinal skeleton are reserved on the transverse skeleton; the longitudinal framework is connected with the transverse framework through hole positions; each set of transverse frames and struts 21 are interconnected by a square tee 20.
The beneficial effect who adopts above-mentioned scheme is: the framework can be quickly disassembled and assembled by adopting the mode that the reserved hole positions are connected with the square tee part 20 on the premise of ensuring the stability.
As shown in fig. 5, the outer layer of the skeleton is wrapped by a waterproof canvas cover 8. The waterproof canvas cover 8 is a rectangular cover provided with a zipper 22. The material is canvas which is processed by a special process and is used for water proofing, moisture proofing, damp proofing and cold proofing, and generally refers to a plastic coated cloth series. Is made up by using fibre fabric and chemical filling material through the processes of soaking, coating, scraping, drying and cooling. The standard material component of the plastic-coated series waterproof canvas is a cloth blank woven by high-strength tensile polyester, high-quality resin powder, plasticizer, stabilizer, appropriate amount of calcium powder and other small amount of chemical raw materials, and the waterproof effect is good.
The beneficial effect who adopts above-mentioned scheme is: the waterproof canvas sleeve can effectively prevent runoff in a scouring district from leaking outwards, and the complicated seepage-proofing work of the brick stone and iron sheet structure districts is saved; the zipper of the waterproof canvas cover can realize quick filling and is convenient to fold and carry. The framework supports the waterproof canvas sleeve, so that the structure of the waterproof canvas sleeve is more upright and serves as a waterproof retaining wall for scouring the residential area.
As shown in fig. 1, the foldable water storage barrel (i.e. water storage barrel 9) and the foldable silt collecting barrel (i.e. collecting mechanism 3) both adopt foldable structures. The crust of folded cascade water storage bucket and folded cascade silt collecting vessel is canvas, and inner structure comprises the extremely strong steel wire framework of toughness.
The beneficial effect who adopts above-mentioned scheme is: the waterproof canvas sleeve can effectively prevent water in the barrel from losing, and complicated seepage-proofing work of small areas with masonry and iron sheet structures is omitted; the internal strong and tough steel wire framework can realize quick loading and is convenient to fold and carry.
As shown in fig. 3, the foldable water storage bucket can be assembled with a detachable heightening frame. The detachable heightening frame (namely, the first support) is connected by a steel pipe 23 through a screw 24, and a fixing pile 25 is arranged at the bottom of the heightening frame.
The beneficial effect who adopts above-mentioned scheme is: the detachable heightening frame is connected by the steel pipe through screws, can be quickly installed and disassembled, and is convenient to carry; the heights of the detachable heightening frames can be freely combined, so that different required flushing water head heights can be met; the bottom of the heightening frame is provided with a fixing pile for improving the stability of the heightening frame.
The device provided by the invention is simple to install, convenient to operate and carry, and free of limitation of terrain and soil conditions, and is suitable for a field hydraulic scouring test in a sandstone area.
The waterproof canvas is a canvas which is processed by a special process and is used for water proofing, moisture proofing, damp proofing and cold proofing, and generally refers to a plastic coated cloth series. Is made up by using fibre fabric and chemical filling material through the processes of soaking, coating, scraping, drying and cooling. The standard material component of the plastic-coated series waterproof canvas is a cloth blank woven by high-strength tensile polyester, high-quality resin powder, plasticizer, stabilizer, appropriate amount of calcium powder and other small amount of chemical raw materials, and the waterproof effect is good. The outer wall of the scouring device is constructed by combining the waterproof canvas and the detachable ribs, and a scouring test area can be quickly established, so that the manpower and material resource investment is effectively saved, and the dynamic characteristics of the slope runoff water and the working efficiency of water erosion monitoring are improved.
As shown in fig. 1, further, the water stop mechanism 1 is an open-top structure.
The beneficial effect of adopting the further scheme is that: the water-resisting mechanism is of an open-top structure, is convenient for water-resisting treatment on the area to be scoured, quantifies the volume of the area to be scoured, improves the accuracy of experimental data, improves the experimental efficiency, and reduces the production cost of the experimental device.
As shown in fig. 1, further, the water stop mechanism 1 includes: the water-retaining device comprises a bottom plate 4 for loading an area to be flushed and three side plates 5 for retaining water, wherein the three side plates 5 are respectively and detachably arranged at three boundary positions of the water-retaining mechanism 1.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the bottom plate and the side plates, the assembly and maintenance of the water-resisting mechanism are facilitated, the transportation and storage of the water-resisting mechanism are facilitated, and the portability of the experimental device is improved.
As shown in fig. 4, further, the bottom plate 4 includes: the water-proof canvas comprises two first frameworks 6 for supporting the area to be scoured, a plurality of second frameworks 7 for supporting the area to be scoured and a water-proof canvas sleeve 8; the two first frameworks 6 are arranged in parallel, the plurality of second frameworks 7 are arranged between the two first frameworks 6 in parallel, two ends of each second framework 7 are connected with the two first frameworks 6 in a one-to-one correspondence mode respectively, and the waterproof canvas sleeve 8 is detachably coated on the outer sides of the first frameworks 6 and the second frameworks 7.
The beneficial effect of adopting the further scheme is that: the setting of skeleton for treating and erodeing the regional supporting role that plays, the experimental apparatus of being convenient for is to the quantitative region of waiting to erode and is experimented, and wait to erode regional setting on the skeleton, can improve and wait to erode the frictional force of region and skeleton, improve the simulation degree that water conservancy erodeed, improve the accurate nature of experimental data. Waterproof canvas cover is used for the water proof, prevents to wait to erode water and soil outside the region and disturbs the experimental data, improves the experiment precision.
As shown in fig. 1, further, the water supply mechanism 2 includes: the water-stopping device comprises a water storage barrel 9, an overflow groove 10 for overflowing into the water-stopping mechanism 1 and a water supply pipeline 11 for connecting the water storage barrel 9 and the overflow groove 10, wherein the water storage barrel 9 is detachably connected with the overflow groove 10 through the water supply pipeline 11, and the overflow groove 10 is arranged above the water-stopping mechanism 1.
The beneficial effect of adopting the further scheme is that: the overflow groove is used for overflowing into the water-resisting mechanism, overflowing into the area to be scoured through the overflow groove, simulating the hydraulic scouring process, improving the fidelity of the hydraulic scouring experiment and improving the accuracy of the experimental data.
As shown in fig. 1, further, the water supply mechanism 2 further includes: a flow control mechanism 13 for supporting first support 12 of water storage bucket 9 and being used for controlling water supply pipe 11 flow, water storage bucket 9 detachably sets up on the first support 12, the one end of water supply pipe 11 with water storage bucket 9 detachably connects, flow control mechanism 13 detachably sets up the other end of water supply pipe 11.
The beneficial effect of adopting the further scheme is that: flow control mechanism's setting for control water supply pipe flow, the user of being convenient for controls water supply flow according to the experiment needs, is convenient for obtain the experimental data under the different scenes, improves experimental efficiency, improves the experimental data precision.
As shown in fig. 2, further, the water storage bucket 9 includes: the water storage device comprises a foldable steel wire framework 14, a waterproof canvas 15 and a valve 16 for controlling water outlet of a water storage barrel 9, wherein the waterproof canvas 15 is detachably covered on the outer side of the foldable steel wire framework 14, the valve 16 is arranged on the waterproof canvas 15, and the valve 16 is detachably connected with the overflow chute 10 through a water supply pipeline 11.
The beneficial effect of adopting the further scheme is that: the setting of collapsible steel wire framework, canvas and valve, the installation and the maintenance of the water storage bucket of being convenient for, the transportation and the storage water storage bucket of being convenient for improve the portability of water storage bucket, and the user of being convenient for is experimented the regional of waiting to erode in different places.
As shown in fig. 1, further, the collecting mechanism 3 is a foldable barrel, and the collecting mechanism 3 is detachably disposed below the water stop mechanism 1.
The beneficial effect of adopting the further scheme is that: the collecting mechanism is a folding barrel body, so that the collecting mechanism is convenient to install and maintain, convenient to transport, store and collect, the portability of the collecting mechanism is improved, and a user can conveniently test the to-be-scoured areas in different places.
As shown in fig. 1, further, the method further includes: a second support 18 for detecting the velocity of flow monitoring mechanism 17 of the water flow velocity of water in the water stop mechanism 1 and being used for supporting velocity of flow monitoring mechanism 17, second support 18 with water stop mechanism 1 detachably connects, velocity of flow monitoring mechanism 17 detachably sets up on the second support 18, velocity of flow monitoring mechanism 17 is located water stop mechanism 1's top.
The beneficial effect of adopting the further scheme is that: the setting of velocity of flow monitoring mechanism for detect the rivers velocity of flow in the water proof mechanism, the user of being convenient for accurately obtains the rivers velocity of flow in the water proof mechanism, is convenient for produce husky process according to rivers velocity of flow analysis runoff hydrodynamic features and erosion, improves experimental efficiency.
In addition, as shown in fig. 10, the invention further provides a hydraulic washout experimental method for a sandstone area, which is based on any one of the hydraulic washout experimental apparatuses for a sandstone area, and the method comprises the following steps:
s1, burying the water-resisting mechanism below the area to be flushed;
s2, supplying water to the water-resisting mechanism by the water supply mechanism to wash the area to be washed;
s3, the collecting mechanism collects the silt flowing out of the water outlet of the water-resisting mechanism.
The invention has the beneficial effects that: by designing the hydraulic scouring experiment method, the hydraulic scouring process can be conveniently and visually observed, the runoff hydrodynamic characteristics and the erosion sand production process can be conveniently and visually observed, repeated tests can be realized, and the accuracy of experiment data is improved.
Specifically, the invention also provides a method for automatically monitoring the wind erosion amount of soil in a sand storm area by using the device, which comprises the following steps.
The method comprises the following steps that firstly, the longitudinal framework is installed in a reserved hole of the transverse framework, and the support is connected with the transverse framework through the square tee joint component.
And secondly, wrapping the waterproof canvas cover outside the framework, tightening the waterproof canvas cover by using the zipper, embedding the waterproof canvas cover into a soil layer around the scoured community, and coating waterproof glue on the junction of the outer wall and the soil layer of the portable scoured community.
And thirdly, installing the overflow groove above the scoured community, and coating waterproof glue on the junction of the outer wall of the portable scoured community and the overflow groove.
Fourthly, combining the steel pipes and the screws into a detachable heightening frame; the foldable water storage barrel is arranged above the detachable elevating frame; and connecting the lower end of the water supply pipeline with the flow control device, and connecting the upper end of the water supply pipeline with the valve.
Fifthly, mounting the flow control device on a transverse support of the portable scouring community, wherein the transverse support is vertical to a scouring slope; the flow control device and the flow rate monitoring device are connected with the data acquisition device through data lines.
And sixthly, installing the foldable silt collecting barrel at the water outlet of the scouring community.
And seventhly, opening the valve, adjusting the flow control device, flushing the community when water flows uniformly flow out of the overflow groove, recording the collected flow rate information in a data acquisition device by the flow rate monitoring device, and collecting runoff silt samples from a water outlet of the community for further indoor tests.
And eighthly, replacing the test site, and repeating the first step to the seventh step after the instrument is removed, so that the runoff water dynamics characteristic and the hydraulic erosion characteristic data of the slope surface of the plurality of sampling points can be obtained.
Therefore, the method can adapt to the complicated and severe wild environment of the sandstone area through reasonable arrangement, effectively save manpower and material resource investment, accurately measure the hydrodynamic parameters of the slope runoff, and obtain the water erosion amount and the water erosion modulus through calculation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a sandstone district hydraulic washout experimental apparatus which characterized in that includes: the water supply device comprises a water isolating mechanism (1) used for loading an area to be flushed, a water supply mechanism (2) used for providing a water source for the water isolating mechanism (1) and a collecting mechanism (3) used for collecting silt, wherein the water supply mechanism (2), the water isolating mechanism (1) and the collecting mechanism (3) are sequentially detachably connected.
2. The hydraulic washout experiment device for sandstone areas as claimed in claim 1, wherein the water-resisting mechanism (1) is of an open-top structure.
3. The hydraulic washout experiment device for sandstone areas as claimed in claim 1, wherein the water-resisting mechanism (1) comprises: the water-proof device comprises a bottom plate (4) used for loading an area to be flushed and three side plates (5) used for blocking water, wherein the three side plates (5) are respectively and detachably arranged at three boundary positions of the water-proof mechanism (1).
4. The hydraulic washout experiment device for sandstone zones as claimed in claim 3, wherein the bottom plate (4) comprises: the device comprises two first frameworks (6) for supporting the area to be scoured, a plurality of second frameworks (7) for supporting the area to be scoured and a waterproof canvas sleeve (8); two first skeleton (6) parallel arrangement each other, it is a plurality of second skeleton (7) parallel arrangement each other is in two between first skeleton (6), the both ends of second skeleton (7) respectively one-to-one ground with two first skeleton (6) are connected, waterproof canvas cover (8) detachably cladding is in the outside of first skeleton (6) and second skeleton (7).
5. The hydraulic washout experiment device for sandstone areas as claimed in claim 1, wherein the water supply mechanism (2) comprises: the water-resisting mechanism comprises a water storage barrel (9), an overflow groove (10) used for overflowing into the water-resisting mechanism (1) and a water supply pipeline (11) used for connecting the water storage barrel (9) and the overflow groove (10), wherein the water storage barrel (9) is detachably connected with the overflow groove (10) through the water supply pipeline (11), and the overflow groove (10) is arranged above the water-resisting mechanism (1).
6. The hydraulic washout experiment device for sandstone zones as claimed in claim 5, wherein the water supply mechanism (2) further comprises: a flow control mechanism (13) for supporting first support (12) of water storage bucket (9) and being used for controlling water supply pipe (11) flow, water storage bucket (9) detachably sets up on first support (12), the one end of water supply pipe (11) with water storage bucket (9) detachably connects, flow control mechanism (13) detachably sets up the other end of water supply pipe (11).
7. The hydraulic washout experiment device for sandstone zones as claimed in claim 5, wherein the water storage bucket (9) comprises: the water storage bucket comprises a foldable steel wire framework (14), a waterproof canvas (15) and a valve (16) used for controlling water outlet of a water storage bucket (9), wherein the waterproof canvas (15) is detachably coated on the outer side of the foldable steel wire framework (14), the valve (16) is arranged on the waterproof canvas (15), and the valve (16) is detachably connected with the overflow trough (10) through a water supply pipeline (11).
8. The hydraulic washout experiment device for sandstone areas as claimed in claim 1, wherein the collecting mechanism (3) is a foldable barrel body, and the collecting mechanism (3) is detachably disposed below the water-resisting mechanism (1).
9. The hydraulic flushing experimental device for sandstone zones as claimed in claim 1, further comprising: a second support (18) for detecting velocity of flow monitoring mechanism (17) of water flow velocity in water-stop mechanism (1) and being used for supporting velocity of flow monitoring mechanism (17), second support (18) with water-stop mechanism (1) detachably connects, velocity of flow monitoring mechanism (13) detachably sets up on second support (18), velocity of flow monitoring mechanism (17) are located the top of water-stop mechanism (1).
10. A hydraulic washout experiment method for sandstone areas, which is based on the hydraulic washout experiment device for sandstone areas of any one of claims 1 to 9, and comprises the following steps:
burying a water isolating mechanism below a region to be flushed;
the water supply mechanism supplies water into the water-resisting mechanism to wash the area to be washed;
the collecting mechanism collects the silt flowing out of the water outlet of the water isolating mechanism.
Priority Applications (1)
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