CN102608288A - Experimental device for roughness and erosion quantity of slope surface and using method of experimental device - Google Patents
Experimental device for roughness and erosion quantity of slope surface and using method of experimental device Download PDFInfo
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- CN102608288A CN102608288A CN2011104281744A CN201110428174A CN102608288A CN 102608288 A CN102608288 A CN 102608288A CN 2011104281744 A CN2011104281744 A CN 2011104281744A CN 201110428174 A CN201110428174 A CN 201110428174A CN 102608288 A CN102608288 A CN 102608288A
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Abstract
The invention discloses an experimental device for roughness and an erosion quantity of a slope surface and a using method of the experimental device. The experimental device is characterized by comprising a water supplier, a connection hose, an overflow box, a water isolation plate and a water collecting tank, wherein a water filling port with a piston A and an air exhaust pipe B are arranged above the water supplier; a water outlet valve C is arranged on the side wall of the bottom of the water supplier; a valve D is arranged at the bottom of the overflow box; a flow guide plate E is arranged on one side below the overflow box; a valve F is arranged at the bottom of the water collecting tank; a flow guide plate G is arranged above the water collecting tank; the valve C of the water supplier is connected with the valve D of the overflow box through the connection hose; and the flow guide plate E of the overflow box is connected with the flow guide plate G of the water collecting tank through the water isolation plate. The water collecting tank is used for collecting water from a measurement region, and the water is guided into a measurement cylinder through the valve F at the bottom of the water collecting tank, so that the flow-out water amount within unit time can be measured. The experimental device can be used for measuring the roughness and erosion quantity of slope surfaces under various outdoor topographic conditions and evaluating the impact resistance of the slope surface; and the device is easy to use and convenient to mount and carry.
Description
Technical field
The present invention relates to a kind of field and measure the experimental provision and the method for application thereof of domatic roughness and erosion quantity on the spot.
Background technology
Domatic roughness is the key parameter that calculates the slope flow flow velocity, sets up the key parameter of domatic soil erosion model especially, and therefore, roughness is significant to the research slope soil erosion and the slope runoff agent of erosion.But the specialized equipment that does not also have the domatic roughness of field measuring at present, the slope wash test is also carried out in the laboratory mostly, and the light instrument that field measuring is used rarely has introduction.
Summary of the invention
Technical matters to be solved by this invention provides the experimental provision and the method for application thereof of a kind of domatic roughness and erosion quantity, applicable to measuring domatic roughness and erosion quantity under the various topographic conditions in the open air.
Technical matters to be solved by this invention realizes through following technical scheme:
The experimental provision of a kind of domatic roughness and erosion quantity is characterized in that: said water-feed, connection flexible pipe, spill box, water-stop sheet, raggle;
The top of said water-feed is provided with filler and the gas outlet B of band piston A, and a flowing water Valve C is arranged on the side walls; Said spill box bottom is provided with a valve D, and a side of spill box below is provided with fair water fin E; Said raggle bottom is provided with a valve F, and the raggle top is provided with drainage plate G; The valve C of said water-feed is connected with the valve D of spill box through connecting flexible pipe, and the fair water fin E of spill box is connected with the drainage plate G of raggle through water-stop sheet.
Said water-feed is the upright Otto bottle of agate.
Said connection flexible pipe is a zigzag.Said water-stop sheet two ends are provided with connecting hole, are used for the connection between the water-stop sheet.
The method of application of the experimental provision of a kind of above-mentioned domatic roughness and erosion quantity may further comprise the steps:
(1) the selected ground of measuring, with water-stop sheet along in the domatic insertion soil 5 centimetres surround strip and measure and distinguish;
(2) measure the district above dig and establish an arrangement hole identical with spill box volume shape, spill box is put into is settled the hole, the fair water fin E of spill box is contacted closely, and fair water fin maintenance level with measuring the soil of distinguishing;
(3) measure the district below dig and establish an arrangement hole identical with raggle volume shape, raggle is put into is settled the hole, the drainage plate G of raggle is measured the soil in district along domatic insertion, to guarantee that measuring the current of distinguishing all imports raggle;
(4) the water-feed horizontal setting is coupled together the valve C of water-feed and the valve D of spill box with connecting flexible pipe above measuring the district then;
(5) to measure district's topsoil fully moistening to saturated and can not runoff yield to measuring district's watering, making with watering can before measuring;
(6) open the valve C of water-feed and the valve D of spill box, make to be full of water in the spill box and to overflow, get into and measure slope flow is measured in the back, district with decoration method flow velocity V from fair water fin E;
(7) after current get into raggle, flow out, measure flow Q with graduated cylinder by valve F, and record minute T;
(8), calculate erosion quantity W with muddy water spline filter, oven dry in the graduated cylinder.
Said raggle is settled excavation catch gutter in the hole.
Said water-feed is opened the piston A of filler, and jam-pack piston after the topped up with water is opened valve C and discharged water, and treats valve-off C behind the stability of flow, is connected with the valve D of spill box again.
Get into spill box waterborne be raised to behind the fair water fin E current are imported measure the district, current are 0 along domatic mobile initial velocity.
The computing formula of domatic roughness is as follows:
Wherein: n is domatic roughness, and R is a hydraulic radius, R=S/L, and J measures the gradient in district, and V is the flow velocity of slope runoff, and S is a discharge section area, S=Q/V, L is for measuring the width in district, and Q is a flow.
Domatic impact resistance is shown with the soil scale that the water yield corroded of unit volume: KC=W/Q, and wherein W is an erosion quantity, Q is a flow.
The present invention has following advantage:
The present invention estimates domatic impact resistance applicable to measuring domatic roughness and erosion quantity under the various topographic conditions in the open air, and this instrument uses simple, installs easy to carry.
Description of drawings
Fig. 1 is a structural representation of the present invention
As shown in Figure 1,1-water-feed, 2-connect flexible pipe, 3-spill box, 4-water-stop sheet, 5-raggle, 6-piston A, 7-gas outlet B, 8-valve C, 9-valve D, 10-fair water fin E, 11-valve F, 12-drainage plate G
Embodiment
Below in conjunction with Figure of description the present invention is described further.
The experimental provision of a kind of domatic roughness and erosion quantity is characterized in that: said water-feed 1, connect flexible pipe 2, spill box 3, water-stop sheet 4, raggle 5; Said water-feed 1 has a flowing water Valve C 8 for the upright Otto bottle of agate, its top is provided with filler and the gas outlet B 7 of band piston A 6 on the side walls; Said spill box bottom is provided with a valve D 9; The valve C 8 of said water-feed is connected said connection flexible pipe 2 and is zigzag through connecting flexible pipe 2 with the valve D9 of spill box, being connected between the valve C 8 that zigzag connection flexible pipe 2 is easy to the different water-feed of position height and the valve D 9 of spill box.
One side of spill box below is provided with fair water fin E 10; Raggle 5 tops are provided with drainage plate G 12; The fair water fin E 10 of spill box 3 is connected with the drainage plate G 12 of raggle 5 through water-stop sheet 4, guarantees that current flow in the zone that water-stop sheet 4 is divided into, and because the effect that is connected of top fair water fin E 10 and below drainage plate G 12, water can not run off.Said water-stop sheet 4 two ends are provided with connecting hole, are used for the connection between the water-stop sheet 4.Said raggle bottom is provided with a valve F 11, and current are flowed out by valve F after getting into raggle, are used for calculating required measurement data.
The method of application of the above-mentioned domatic roughness and the experimental provision of erosion quantity may further comprise the steps:
(1) the selected ground of measuring, with water-stop sheet along in the domatic insertion soil 5 centimetres surround 10 centimetres of wide mensuration districts, measure the length in district and can decide according to landform and research requirement;
(2) above the mensuration district, dig one 15 centimeter length, 10 centimetres wide, 7 centimetres dark spill boxes 3 arrangement holes with scuppit; Spill box 3 is put into the arrangement hole; The fair water fin E 10 of spill box 3 is contacted with the soil of measuring the district closely, and spill box 3 must guarantee fair water fin E 10 maintenance levels when settling;
(3) below the mensuration district, dig one 10 centimeter length, 10 centimetres wide, 10 centimetres dark raggles 5 arrangement holes with scuppit; Raggle 5 is put into the arrangement hole; The drainage plate G 12 of raggle 5 is measured the soil of distinguishing along domatic insertion, all import raggle 5 to guarantee the current of measuring the district.Raggle 5 is settled domestic demand excavation catch gutter in the hole;
(4) use the upright Otto bottle horizontal setting of agate above the mensuration district water-feed 1, open the skin plug A 6 of filler, jam-pack skin plug after the topped up with water.The valve C 8 that opens the upright Otto bottle of agate discharges water, and treats valve-off C 8 behind the stability of flow.With connecting flexible pipe 2 the valve C 8 of the upright Otto bottle of agate and the valve D 9 of spill box are coupled together then, guarantee water-tight;
(5) to measure district's topsoil fully moistening to saturated to measuring district's watering, making with watering can, but can not runoff yield;
(6) open the valve C 8 of the upright Otto bottle of agate and the valve D 9 of spill box, make to be full of water in the spill box 3 and to overflow, get into and measure slope flow is measured in the back, district with decoration method flow velocity V from fair water fin E 10;
(7) after current get into raggle 5, flow out, and measure flow Q with 1000 milliliters graduated cylinder by valve F 11, and record minute T;
(8), calculate erosion quantity W with muddy water spline filter, oven dry in the graduated cylinder.
The computing formula of domatic roughness is as follows:
Wherein: n is domatic roughness, and R is a hydraulic radius, R=S/L, and J measures the gradient in district, and V is the flow velocity of slope runoff, and S is a discharge section area, S=Q/V, L is for measuring the width in district, and Q is a flow.
Domatic impact resistance is shown with the soil scale that the water yield corroded of unit volume: KC=W/Q, and wherein W is an erosion quantity, Q is a flow.
Claims (10)
1. the experimental provision of domatic roughness and erosion quantity is characterized in that: said water-feed, connect flexible pipe, spill box, water-stop sheet, raggle; The top of said water-feed is provided with filler and the gas outlet B of band piston A, and a flowing water Valve C is arranged on the side walls; Said spill box bottom is provided with a valve D, and a side of spill box below is provided with fair water fin E; Said raggle bottom is provided with a valve F, and the raggle top is provided with drainage plate G; The valve C of said water-feed is connected with the valve D of spill box through connecting flexible pipe, and the fair water fin E of spill box is connected with the drainage plate G of raggle through water-stop sheet.
2. the experimental provision of domatic roughness as claimed in claim 1 and erosion quantity is characterized in that: said water-feed is the upright Otto bottle of agate.
3. the experimental provision of domatic roughness as claimed in claim 1 and erosion quantity is characterized in that: said connection flexible pipe is a zigzag.
4. the experimental provision of domatic roughness as claimed in claim 1 and erosion quantity is characterized in that: said water-stop sheet two ends are provided with connecting hole, are used for the connection between the water-stop sheet.
5. method of application like the experimental provision of described domatic roughness of one of claim 1-4 and erosion quantity may further comprise the steps:
(1) the selected ground of measuring, with water-stop sheet along in the domatic insertion soil 5 centimetres surround strip and measure and distinguish;
(2) measure the district above dig and establish an arrangement hole identical with spill box volume shape, spill box is put into is settled the hole, the fair water fin E of spill box is contacted closely, and fair water fin maintenance level with measuring the soil of distinguishing;
(3) measure the district below dig and establish an arrangement hole identical with raggle volume shape, raggle is put into is settled the hole, the drainage plate G of raggle is measured the soil in district along domatic insertion, to guarantee that measuring the current of distinguishing all imports raggle;
(4) the water-feed horizontal setting is coupled together the valve C of water-feed and the valve D of spill box with connecting flexible pipe above measuring the district then;
(5) to measure district's topsoil fully moistening to saturated and can not runoff yield to measuring district's watering, making with watering can before measuring;
(6) open the valve C of water-feed and the valve D of spill box, make to be full of water in the spill box and to overflow, get into and measure slope flow is measured in the back, district with decoration method flow velocity V from fair water fin E;
(7) after current get into raggle, flow out, measure flow Q with graduated cylinder by valve F, and record minute T;
(8), calculate erosion quantity W with muddy water spline filter, oven dry in the graduated cylinder.
6. the method for application of the experimental provision of domatic roughness as claimed in claim 5 and erosion quantity is characterized in that: said raggle is settled excavation catch gutter in the hole.
7. the method for application of the experimental provision of domatic roughness as claimed in claim 5 and erosion quantity is characterized in that: said water-feed, open the piston A of filler; Jam-pack piston after the topped up with water; Open valve C and discharge water, treat valve-off C behind the stability of flow, be connected with the valve D of spill box again.
8. the method for application of the experimental provision of domatic roughness as claimed in claim 5 and erosion quantity is characterized in that: get into spill box waterborne be raised to behind the fair water fin E current are imported measure the district, current are 0 along domatic mobile initial velocity.
9. the method for application of the experimental provision of domatic roughness as claimed in claim 5 and erosion quantity is characterized in that: the computing formula of domatic roughness is as follows:
Wherein: n is domatic roughness, and R is a hydraulic radius, R=S/L, and J measures the gradient in district, and V is the flow velocity of slope runoff, and S is a discharge section area, S=Q/V, L is for measuring the width in district, and Q is a flow.
10. the method for application of the experimental provision of domatic roughness as claimed in claim 5 and erosion quantity is characterized in that: domatic impact resistance is shown with the soil scale that the water yield corroded of unit volume: KC=W/Q, and wherein W is an erosion quantity, Q is a flow.
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| CN201110428174.4A CN102608288B (en) | 2011-12-20 | 2011-12-20 | Experimental device for roughness and erosion quantity of slope surface and using method of experimental device |
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| CN201110428174.4A CN102608288B (en) | 2011-12-20 | 2011-12-20 | Experimental device for roughness and erosion quantity of slope surface and using method of experimental device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556598A (en) * | 2013-11-18 | 2014-02-05 | 北京林业大学 | Sand supply instrument for slope-variable water flume |
| CN104535295A (en) * | 2015-01-26 | 2015-04-22 | 山东科技大学 | Multi-functional experimental device for simulating bevel flowing water force factor and experimental method thereof |
| CN105206172A (en) * | 2015-11-05 | 2015-12-30 | 安徽理工大学 | Underwater coal mining simulator with automatic mining and pressure monitoring functions |
| CN105259047A (en) * | 2015-11-05 | 2016-01-20 | 孙姗姗 | Water bag device provided with water tanks and used for simulating pressure-bearing water |
| CN105303956A (en) * | 2015-11-05 | 2016-02-03 | 安徽理工大学 | Aquifer simulation experimental device used for teaching |
| CN105403667A (en) * | 2015-11-05 | 2016-03-16 | 冯飞燕 | Experimental device for demonstrating coal underwater mining and application method of experimental device |
| CN105699237A (en) * | 2016-03-18 | 2016-06-22 | 北京林业大学 | Experimental device and experimental method for comparing protective benefits of ecological mats |
| CN105717276A (en) * | 2016-02-24 | 2016-06-29 | 中国科学院东北地理与农业生态研究所 | Field piece scale slope cropland water and soil loss monitoring system and monitoring method thereof |
| CN106869075A (en) * | 2017-03-01 | 2017-06-20 | 北京林业大学 | It is a kind of to determine the analogue means with vegetation bank stability and method |
| CN107255702A (en) * | 2017-07-18 | 2017-10-17 | 长安大学 | A kind of portable surface runoff modeling determines device |
| CN108362858A (en) * | 2018-02-01 | 2018-08-03 | 三峡大学 | A kind of experimental provision and method of simulation Canal in Loess Area soil erosion characteristic |
| CN108508183A (en) * | 2018-03-19 | 2018-09-07 | 同济大学 | A kind of test soil body resists the laboratory testing rig of local scour ability |
| CN109100300A (en) * | 2018-06-13 | 2018-12-28 | 三峡大学 | A kind of experimental rig and method for simulating weathered mudstone slope erosion |
| CN109752511A (en) * | 2019-03-21 | 2019-05-14 | 北京林业大学 | A kind of field Simple soil runoff observation subdistrict |
| CN113484498A (en) * | 2021-06-18 | 2021-10-08 | 西南林业大学 | In-situ scouring measuring device and using method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556598A (en) * | 2013-11-18 | 2014-02-05 | 北京林业大学 | Sand supply instrument for slope-variable water flume |
| CN104535295A (en) * | 2015-01-26 | 2015-04-22 | 山东科技大学 | Multi-functional experimental device for simulating bevel flowing water force factor and experimental method thereof |
| CN104535295B (en) * | 2015-01-26 | 2017-02-22 | 山东科技大学 | Multi-functional experimental device for simulating bevel flowing water force factor and experimental method thereof |
| CN105303956A (en) * | 2015-11-05 | 2016-02-03 | 安徽理工大学 | Aquifer simulation experimental device used for teaching |
| CN105403667A (en) * | 2015-11-05 | 2016-03-16 | 冯飞燕 | Experimental device for demonstrating coal underwater mining and application method of experimental device |
| CN105206172A (en) * | 2015-11-05 | 2015-12-30 | 安徽理工大学 | Underwater coal mining simulator with automatic mining and pressure monitoring functions |
| CN105259047A (en) * | 2015-11-05 | 2016-01-20 | 孙姗姗 | Water bag device provided with water tanks and used for simulating pressure-bearing water |
| CN105717276A (en) * | 2016-02-24 | 2016-06-29 | 中国科学院东北地理与农业生态研究所 | Field piece scale slope cropland water and soil loss monitoring system and monitoring method thereof |
| CN105699237A (en) * | 2016-03-18 | 2016-06-22 | 北京林业大学 | Experimental device and experimental method for comparing protective benefits of ecological mats |
| CN106869075B (en) * | 2017-03-01 | 2022-10-21 | 北京林业大学 | Simulation device and method for determining stability of riverbank with vegetation |
| CN106869075A (en) * | 2017-03-01 | 2017-06-20 | 北京林业大学 | It is a kind of to determine the analogue means with vegetation bank stability and method |
| CN107255702A (en) * | 2017-07-18 | 2017-10-17 | 长安大学 | A kind of portable surface runoff modeling determines device |
| CN108362858A (en) * | 2018-02-01 | 2018-08-03 | 三峡大学 | A kind of experimental provision and method of simulation Canal in Loess Area soil erosion characteristic |
| CN108508183A (en) * | 2018-03-19 | 2018-09-07 | 同济大学 | A kind of test soil body resists the laboratory testing rig of local scour ability |
| CN109100300A (en) * | 2018-06-13 | 2018-12-28 | 三峡大学 | A kind of experimental rig and method for simulating weathered mudstone slope erosion |
| CN109752511A (en) * | 2019-03-21 | 2019-05-14 | 北京林业大学 | A kind of field Simple soil runoff observation subdistrict |
| CN113484498A (en) * | 2021-06-18 | 2021-10-08 | 西南林业大学 | In-situ scouring measuring device and using method thereof |
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