CN209356493U - High gradient slope soil erosion Field simulation test macro - Google Patents
High gradient slope soil erosion Field simulation test macro Download PDFInfo
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- CN209356493U CN209356493U CN201822036763.8U CN201822036763U CN209356493U CN 209356493 U CN209356493 U CN 209356493U CN 201822036763 U CN201822036763 U CN 201822036763U CN 209356493 U CN209356493 U CN 209356493U
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- soil erosion
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Abstract
The utility model discloses high gradient slope soil erosion high gradient slope soil erosion Field simulation test macros, including energy dissipating water system, test material fill system, runoff and sediment collection system.Energy dissipating water system by forebay, baffle wall style, cross the mouth of a river, after-bay and the buffer area section that discharges water form, which is located at the most top section of test macro, and before the system main function is washes away, the water flows gently, even into test material fill system；Test material fill system immediately energy dissipating drainage system, by abutment wall, raw material compacting zone, test material filling area, infiltrate testing tube, test section mark line forms, be the area Po Duan of entire test macro；Runoff and sediment collection system is located at the end of test material fill system, is made of divider wall, trigonum, runoff bucket, runoff bucket pedestal, valve, drainage ditch, is the lowermost end of whole system.
Description
Technical field
The utility model relates to a kind of high gradient slope soil erosion Field simulation test macros, specifically, being related to one kind
Measure the high gradient slope soil erosion Field simulation test macro of engineering accumulation body high gradient slope soil erosion.
Background technique
The main reason for engineering accumulation body soil erosion intensity is big, and harm is serious, prediction is difficult and Control Technology lags
Be constitute accumulation body slope underlying surface component it is loose, and the gradient is big, and laws of soil erosion is totally different with sloping upland, biography
No matter the indoor simulation runoff plots of system are difficult to meet the requirements in length of grade, the gradient and precision aspect, and urgent need establishes Field simulation height
Its loss process and Hydrodynamic Parameters are probed into gradient slope runoff plots, to push engineering accumulation body high gradient slope erosion mechanism
It discloses and Control Technology correlative study works.
Utility model content
The purpose of the utility model is to provide a kind of high gradient slope soil erosion Field simulation test macros, mainly by
Energy dissipating water system, test material filling system, runoff and sediment collection system three parts composition, the either precipitous journey of slope surface
The gradation nonuniformity coefficient and coefficient of curvature etc. of degree or filler are to initiate both at home and abroad, have novelty.
Its technical solution is as follows:
A kind of high gradient slope soil erosion Field simulation test macro, including energy dissipating water system 1, test material filling system
System 2, runoff and sediment collection system 3.The energy dissipating water system 1, test material fill system 2, runoff and sediment collection system 3 by
Height is sequentially connected to low.Energy dissipating water system 1 by forebay 4, baffle wall style 5, cross the mouth of a river 6, after-bay 7 and buffer area 8 from the front to the back according to
Secondary composition.Test material fill system 2 by abutment wall 9, test material filling area 10, raw material compacting zone 11, infiltrate testing tube 12,
It tests section mark line 13 to form, test material filling area 10 is located on raw material compacting zone 11, and it is embedding to infiltrate testing tube 12
In in test material filling area 10, abutment wall 9 is the outer boundary of test material filling area 10.Runoff and sediment collection system 3 is by being isolated
Wall 14, trigonum 15, runoff bucket 17, drainage ditch 18 from top to bottom successively form, and valve 20, drainage ditch are installed in 17 bottom of runoff bucket
18 are located in runoff bucket pedestal 16, the 20 face drainage ditch 18 of valve of 17 bottom of runoff bucket.
Energy dissipating water system 1 is located at the most top section of entire test macro, which is before washing away, by disappearing
After energy, the water flows gently even into test material fill system 2.The filling of test material fill system 2 is backfilled according to test request
Test material, filling thickness are controlled according to the height of vertical slope surface, and the reality of test macro is disposed in test material filling area 10
When test section equipment, material pile set terminal connects runoff and sediment collection system 3.It uses the trigonum 15 of runoff and sediment collection system 3
To collect the bed load sediment for being easy to precipitate of test material filling area 10, delay is played for the part silt that slope surface generates and is made
With；Barricade 21 is located at the front end of the lowermost end of trigonum 15, afflux bucket 17, plays the role of protecting afflux bucket 17；Afflux bucket
17 to collect based on suspended sediment, and afflux bucket 17 is arranged by step, plays the function of collection, sedimentation, test, is located at entire survey
The least significant end of test system.
Further preferably, buffer area is filled with Extra-fine sand, the fluid-tight smooth plate 19 in surface, is placed in the table of filling sand
Face, with the smooth drop-over of test material fill area top end surface.The compactness of raw material compacting zone is greater than the test material on top
Compactness, permeability is less than top test material can be between test material and raw material material if cannot reach requirement
Arrange water barrier device.
Further, the arrangement for infiltrating testing tube 12 must be according to quincuncial arrangement, so as to measure test material
Different parts and depth infiltrate situation.Infiltrating testing tube must be using the tubing thin and transparent with certain intensity, caliber
Such as organic glass, the diameter of pipe is generally relatively carefully not more than 2.5mm, is conducive to the accuracy for just improving test.In placement testing tube
When, engaged test material end blocks nozzle using non-woven wraps filter material, to prevent particulate from entering testing tube, blocks pipeline.
It is infiltrating in testing tube 12, at distance blocking end 2cm, is filling 5~10mm colored liquid oil column, be accurately to calculate to infiltrate
Number.For the divider wall of trigonum and packing material, it is necessary to play the role of antiseepage.It trigonum must be with test material fill area light
Sliding, drop-over, being conducive to runoff and sediment can smoothly enter into trigonum.
The utility model has the beneficial effects that
The advantages of this experimental design is improved is to overcome field trial observed result to be difficult to disadvantage that is timely, accurately obtaining
End；Interior is overcome to be difficult to meet the requirement for height of high gradient slope；Be conducive to the artificial control to different factors, realize to Dan Yin
Element causes the Accurate Analysis of soil losses；It by runoff and infiltrates test and combines, be conducive to the height soil erosion of side slope origin cause of formation
Factor coupling analysis.
Detailed description of the invention
Fig. 1 is high gradient slope soil erosion Field simulation test macro plan view；
Fig. 2 is high gradient slope soil erosion Field simulation test macro profilograph；
Fig. 3 is high gradient slope soil erosion Field simulation test macro drawing in side sectional elevation.
Specific embodiment
The technical solution of the utility model is described in more detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1~3, a kind of high gradient slope soil erosion Field simulation test macro, including energy dissipating water system, test
Material-filled system, runoff and sediment collection system.Energy dissipating water system is discharged water a section group by forebay, baffle wall style, after-bay and buffer area
At the system is located at the most top section of test macro, which is before washing away, and after energy dissipating, the water flows gently,
It is even to enter test material fill system；Test material fill system immediately energy dissipating drainage system, by abutment wall, raw material compacting zone,
Testing tube, test section mark line composition are infiltrated in test material filling area, are the area Po Duan of entire test macro；Runoff and sediment
Collection system is located at the end of test material fill system, is made of divider wall, trigonum, runoff bucket, valve, drainage ditch, is
The lowermost end of whole system.
Further preferably, buffer area is filled with Extra-fine sand, and surface is placed in filling with smooth, smooth, fluid-tight plate
The surface of sand, with the smooth drop-over of test material fill area top end surface.The compactness of raw material compacting zone is greater than the test on top
The compactness of material, permeability is less than top test material can be in test material and raw material material if cannot reach requirement
Water barrier device is arranged between material.Arrangement for infiltrating testing tube must be according to quincuncial arrangement, so as to measure test material
Material different parts and depth infiltrate situation.Infiltrating testing tube must be using the pipe thin and transparent with certain intensity, caliber
Material such as organic glass, the diameter of pipe are generally relatively carefully not more than 2.5mm, are conducive to the accuracy for just improving test.It is tested in placement
Guan Shi, engaged test material end block nozzle using non-woven wraps filter material, to prevent particulate from entering testing tube, blocking pipe
Road.In testing tube, at distance blocking end 2cm, 5~10mm colored liquid oil column is filled, accurately to calculate infiltrated water.It is right
Divider wall in trigonum and packing material, it is necessary to play the role of antiseepage.It trigonum must be smooth, suitable with test material fill area
It connects, being conducive to runoff and sediment can smoothly enter into trigonum.
High gradient slope soil erosion Field simulation test macro described in the utility model in the specific application process, including with
Lower step:
Step 1, according to test request, the raw material compacting zone of processing test fill area.
Step 2, according to test request, measure the grading curve of test material.
Step 3, the antiseepage situation for checking divider wall.
Step 4, according to test requirements document, fill test material；During filling, testing tube is infiltrated in laying；
Step 5, cleaning trigonum and runoff bucket, to guarantee the accuracy of test；
Step 6 is filled buffer area, is laid with smooth plate 19；
Step 7 discharges water, and observation water flow adjusts smooth plate 19 in the distribution situation of smooth plate 19, so as to as gentle equal as possible
It is even to be covered with smooth plate 19；
Step 8 carries out washout test, measures flow velocity according to testing tube arrangement section；The colored liquid for recording testing tube moves
Dynamic distance and water surface site, measure test material infiltrates situation, when entire testing tube is filled by water completely, shows test material
It has been saturated or has approached saturation；
Step 9 picks up water sample in the water inlet of top runoff bucket every 5~10min；
After the completion of step 10, test, the water sand sample of the silt and runoff bucket of collecting trigonum is handled, and calculates ensemble stream
Vector.
The preferable specific embodiment of the above, only the utility model, the protection scope of the utility model are not limited to
This, anyone skilled in the art can become apparent in the technical scope that the utility model discloses
Technical solution simple change or equivalence replacement each fall in the protection scope of the utility model.
Claims (4)
1. high gradient slope soil erosion Field simulation test macro, which is characterized in that filled out including energy dissipating water system, test material
Charging system, runoff and sediment collection system；
Energy dissipating water system by forebay, baffle wall style, cross the mouth of a river, after-bay and the buffer area section that discharges water form, which is located at test system
The most top section of system, the system main function are before washing away, and the water flows gently, even into test material fill system；Test material
Expect fill system immediately energy dissipating drainage system, by abutment wall, raw material compacting zone, test material filling area, infiltrates testing tube, test
Section mark line composition is the area Po Duan of entire test macro；Runoff and sediment collection system is located at test material fill system
End is made of divider wall, triangle collecting region, runoff bucket, runoff bucket pedestal, valve, drainage ditch, is the most bottom of whole system
End.
2. high gradient slope soil erosion Field simulation test macro according to claim 1, it is characterised in that: use buffer area
Extra-fine sand filling, surface is with fluid-tight smooth plate (19).
3. high gradient slope soil erosion Field simulation test macro according to claim 1, it is characterised in that: described to infiltrate
The arrangement of testing tube (12) must be according to quincuncial arrangement.
4. high gradient slope soil erosion Field simulation test macro according to claim 1, it is characterised in that: surveyed infiltrating
In test tube (12), at distance blocking end 2cm, it is equipped with 5~10mm colored liquid oil column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822036763.8U CN209356493U (en) | 2018-12-05 | 2018-12-05 | High gradient slope soil erosion Field simulation test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822036763.8U CN209356493U (en) | 2018-12-05 | 2018-12-05 | High gradient slope soil erosion Field simulation test macro |
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| Publication Number | Publication Date |
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| CN209356493U true CN209356493U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822036763.8U Expired - Fee Related CN209356493U (en) | 2018-12-05 | 2018-12-05 | High gradient slope soil erosion Field simulation test macro |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406757A (en) * | 2018-12-05 | 2019-03-01 | 西北农林科技大学 | High gradient slope soil erosion Field simulation test macro and its operating method |
-
2018
- 2018-12-05 CN CN201822036763.8U patent/CN209356493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406757A (en) * | 2018-12-05 | 2019-03-01 | 西北农林科技大学 | High gradient slope soil erosion Field simulation test macro and its operating method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20201205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |