CN206756653U - Determine head and varying head soil permeability coefficient measure combination unit - Google Patents
Determine head and varying head soil permeability coefficient measure combination unit Download PDFInfo
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- CN206756653U CN206756653U CN201720387153.5U CN201720387153U CN206756653U CN 206756653 U CN206756653 U CN 206756653U CN 201720387153 U CN201720387153 U CN 201720387153U CN 206756653 U CN206756653 U CN 206756653U
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Abstract
The utility model belongs to saturated soil osmotic coefficient investigating technical field, and in particular to a kind of to determine head and varying head soil permeability coefficient measure combination unit.It is a kind of to determine head and varying head soil permeability coefficient measure combination unit, mainly include support, the support includes top plate, backboard and base, Markov bottle is placed with the top plate, it is fixed with backboard and determines head feed pipe, graduated scale, varying head feed pipe, described to determine head feed pipe upper end and be connected with Markov bottle, lower end is connected with water-supply-pipe, the varying head feed pipe upper end is opening, and lower end is also connected with water-supply-pipe；The water-supply-pipe lower end is connected with test device inner space.The utility model is simple in construction, convenient and practical, can solve the saturation infiltrated water of cohesive soil and sandy loam with the conditions of, can effectively reduce error, reduces the complex process of experiment, improves conventional efficient, increases the accuracy and reliability of measure.
Description
Technical field
The utility model belongs to saturated soil osmotic coefficient investigating technical field, and in particular to a kind of to determine head and varying head soil
Earth osmotic coefficient investigating combines the unit.
Background technology
In the case that saturated hydraulic conductivity in soil refers to that soil whole hole is each filled with water, under the effect of unit water potential gradient,
Pass through the water flux density or seepage flow speed of the unit area soil of Transverse to the flow direction.Saturated hydraulic conductivity in soil is important soil
One of hydraulic parameters, are an important soil parameters of irrigation and drainage engineering, and the important parameter in numerical model simulation, shadow
The migration of moisture, solute in soil is rung, the measure and accuracy of soil permeability coefficient determine the process of moisture and salt regime.
The two methods commonly used at present in laboratory, to determine head permeability test and variable head permeability test, both assay methods are all
It is to be carried out based on independent experimental rig with the conditions of, lacks a kind of combination unit in the prior art, and this combination unit is
It can be used for determining head permeability test, can be used for variable head permeability test, and be avoided that permeability test by temperature and steaming
The influence of hair, greatly improve the accuracy of result of the test.
The content of the invention
The purpose of this utility model is to provide a kind of simple in construction, and convenient and practical determines head and varying head combination infiltration
Factor detection device, solve the saturation infiltrated water of cohesive soil and sandy loam with the conditions of, can effectively reduce error, improve real
The accuracy tested.
Determine head and varying head soil permeability coefficient measure combination unit the utility model discloses a kind of, it is characterised in that
Mainly include support, the support includes top plate, backboard and base, Markov bottle is placed with the top plate, solid on backboard
Fixed be provided with determines head feed pipe, graduated scale, varying head feed pipe, described to determine head feed pipe upper end and be connected with Markov bottle, under
End is connected with water-supply-pipe, and the varying head feed pipe upper end is opening, and lower end is also connected with water-supply-pipe；Under the water-supply-pipe
End is connected with test device inner space；
The test device includes cylinder, and bottom is provided with water strainer in the cylinder, is in the water strainer lower space
Cistern, cistern are provided with delivery port, and the water strainer upper space is followed successively by filtrate space, cutting ring soil sample space, fitros sky
Between, filtrate is placed in the filtrate space, the cutting ring with soil sample is placed in the cutting ring soil sample space, and the fitros space is placed
Fitros.
Preferably, described head feed pipe upper end of determining is connected through top plate by elbow I with Markov bottle, lower end leads to
Elbow II is crossed with water-supply-pipe to be connected；The varying head feed pipe upper end is fixed through top plate, and lower end passes through threeway and water-supply-pipe
It is connected；Water-supply-pipe between elbow II and threeway is provided with ball valve I, and the water-supply-pipe between threeway and test device is provided with ball
Valve II, the outflow end of the water-supply-pipe are passed directly into cutting ring soil sample.
Preferably, the graduated scale is set close to varying head feed pipe.
Utility model works principle：
Before on-test, first fitros and filtrate are immersed in water up to saturation, then in the water strainer of test device
On, it is being put into filtrate, cutting ring soil sample, fitros successively.When head experiment is determined in development, ball valve I is opened, directly using Markov bottle through fixed
Head feed pipe and fitros are slowly drenched to soil, when having the globule on water storage pool wall, then it is assumed that soil sample reaches saturation, opens
Begin to test.When experiment starts, the change of water level, the volume of measurement delivery port discharge water are recorded by Markov bottle.Determine varying head
During experiment, ball valve I is closed, ball valve II is opened, injects water into varying head feed pipe manually, through water-supply-pipe, fitros, make soil slow
Saturation, when having the globule on water storage pool wall, then it is assumed that soil sample reaches saturation, starts to test, and passes through scale observational record water level
Change, then measure the water of delivery port discharge.
Compared with prior art, the advantages of the utility model：It is simple in construction, convenient and practical, available for determine head and become water
The combine measured of head infiltration coefficient, solves the saturation infiltrated water of cohesive soil and sandy loam with the conditions of, can effectively reduce mistake
Difference, the complex process of experiment is reduced, improve conventional efficient, increase the accuracy and reliability of measure.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the side structure schematic view of Fig. 1 medium-height trestles.
Fig. 3 is the structural representation of test device in Fig. 1.
Shown in figure：1 is Markov bottle, and 2 be top plate, and 3 be backboard, and 4 be graduated scale, and 5 be varying head feed pipe, and 6 be elbow
I, 7 is determine head feed pipe, and 8 be elbow II, and 9 be ball valve I, and 10 be threeway, and 11 be base, and 12 be ball valve II, and 13 be water-supply-pipe,
14 be test device, and 15 be fitros, and 16 be cutting ring, and 17 be soil sample, and 18 be filtrate, and 19 be delivery port, and 20 be cistern, and 21 be filter
The network of rivers.
Embodiment
Embodiment 1：
Reference picture 1, Fig. 2, Fig. 3, are the structural representation of the utility model embodiment, including a kind of determine head and varying head
Soil permeability coefficient measure combination unit, mainly including support, the support includes top plate 2, backboard 3 and base 11, described
Markov bottle 1 is placed with top plate 2, is fixed with backboard 3 and determines head feed pipe 7, graduated scale 4, varying head feed pipe 5, institute
State and determine the upper end of head feed pipe 7 and be connected with Markov bottle 1, lower end is connected with water-supply-pipe 13, the upper end of varying head feed pipe 5
For opening, lower end is also connected with water-supply-pipe 13；The lower end of water-supply-pipe 13 is connected with the inner space of test device 14；
The test device 14 includes cylinder, and bottom is provided with water strainer 21 in the cylinder, in the bottom of water strainer 21
Space is cistern 20, and cistern 20 is provided with delivery port 19, and the upper space of water strainer 21 is followed successively by filtrate space, cutting ring soil
Sample space, fitros space, filtrate 18 is placed in the filtrate space, and the cutting ring with soil sample is placed in the cutting ring soil sample space
16, fitros 15 is placed in the fitros space.
The top plate 2, backboard 3, base 11 form an integral frame structure, and the varying head feed pipe 5 is organic glass
Glass pipe, it is PVC hard tubes to determine head feed pipe 7, and the zero graduation line of graduated scale 4 is on top.
The Markov bottle 1 is positioned over above top plate 2, is determined head feed pipe 7 and is fixed on above backboard 3, and one end passes through top plate 2
It is connected by elbow I 6 with water supply Markov bottle, the other end is connected by elbow II 8 with threeway 10；Varying head feed pipe 5 is fixed
In backboard 3, one end passes through top plate 2, and the other end is connected with threeway 10；The ball valve I 9 is located between elbow II 8 and threeway 10
On water-supply-pipe 13, for ball valve II 12 on the water-supply-pipe 13 between threeway 10 and test device, the water-supply-pipe 13 is that plastics are soft
Pipe, is passed directly into cutting ring soil sample.
The utility model combines the unit the measure for being respectively used to determine head and varying head soil permeability coefficient, in on-test
Before, first fitros and filtrate are immersed in water until saturation, then on the water strainer 21 of test device 14, is sequentially placed into filtrate
18th, cutting ring soil sample 17, fitros 15.When head experiment is determined in development, ball valve I 9 is opened, directly using Markov bottle 1 through determining head water supply
Pipe and fitros are slowly drenched to soil, when having the globule on the wall of cistern 20, then it is assumed that soil sample reaches saturation, starts to try
Test.When experiment starts, the change of water level, the volume of measurement delivery port discharge water are recorded by Markov bottle 1.Determine varying head experiment
When, ball valve I 9 is closed, ball valve II 12 is opened, injects water into varying head feed pipe 5 manually, through water-supply-pipe 13, fitros 15, make soil
Slow saturation, when having the globule on the wall of cistern 20, then it is assumed that soil sample reaches saturation, starts to test, and passes through scale observational record
The change of water level, then measure the water that delivery port 19 is discharged.The utility model has the advantages that by determining head and varying head group
Attach together and put, reduce the complex process of experiment, improve conventional efficient in laboratory, add the reliability of result of the test.
Embodiment 2：
Compared with Example 1, the different places of the present embodiment technical scheme are：The graduated scale 4 supplies close to varying head
Water pipe 5 is set.
Claims (3)
1. a kind of determine head and varying head soil permeability coefficient measure combination unit, it is characterised in that described mainly including support
Support includes top plate, backboard and base, and Markov bottle is placed with the top plate, is fixed with backboard and determines head water supply
Pipe, graduated scale, varying head feed pipe, described to determine head feed pipe upper end and be connected with Markov bottle, lower end is connected with water-supply-pipe,
The varying head feed pipe upper end is opening, and lower end is also connected with water-supply-pipe；Inside the water-supply-pipe lower end and test device
Space is connected；
The test device includes cylinder, and bottom is provided with water strainer in the cylinder, is water storage in the water strainer lower space
Pond, cistern are provided with delivery port, and the water strainer upper space is followed successively by filtrate space, cutting ring soil sample space, fitros space, institute
Placement filtrate in filtrate space is stated, the cutting ring with soil sample is placed in the cutting ring soil sample space, and fitros is placed in the fitros space.
2. as claimed in claim 1 determine head and varying head soil permeability coefficient measure combination unit, it is characterised in that described
Head feed pipe upper end of determining be connected through top plate by elbow I with Markov bottle, lower end is connected by elbow II with water-supply-pipe
It is logical；The varying head feed pipe upper end is fixed through top plate, and lower end is connected by threeway with water-supply-pipe；Elbow II and threeway it
Between water-supply-pipe be provided with ball valve I, the water-supply-pipe between threeway and test device is provided with ball valve II, the outflow of the water-supply-pipe
End is passed directly into cutting ring soil sample.
3. as claimed in claim 1 or 2 determine head and varying head soil permeability coefficient measure combination unit, it is characterised in that institute
Graduated scale is stated to set close to varying head feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387153.5U CN206756653U (en) | 2017-04-13 | 2017-04-13 | Determine head and varying head soil permeability coefficient measure combination unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387153.5U CN206756653U (en) | 2017-04-13 | 2017-04-13 | Determine head and varying head soil permeability coefficient measure combination unit |
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| Publication Number | Publication Date |
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| CN206756653U true CN206756653U (en) | 2017-12-15 |
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| CN201720387153.5U Expired - Fee Related CN206756653U (en) | 2017-04-13 | 2017-04-13 | Determine head and varying head soil permeability coefficient measure combination unit |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333097A (en) * | 2018-04-23 | 2018-07-27 | 贵州大学 | A kind of initial infiltration rate assay method of soil and its mancarried device |
| CN109444017A (en) * | 2018-11-14 | 2019-03-08 | 扬州大学 | A kind of multi-functional pavement material device for testing permeability coefficient and its test method |
| CN109752304A (en) * | 2019-02-27 | 2019-05-14 | 中国地质大学（武汉） | A kind of varying head soil permeability coefficient measurement device |
| CN109752305A (en) * | 2019-02-27 | 2019-05-14 | 中国地质大学（武汉） | A kind of constant head soil permeability coefficient measurement device |
| CN110850058A (en) * | 2019-11-18 | 2020-02-28 | 长安大学 | Leaching test device and using method thereof |
| CN110907332A (en) * | 2019-12-11 | 2020-03-24 | 天津市市政工程设计研究院 | Testing device and method for horizontal permeability coefficient of shallow soil |
| CN111024590A (en) * | 2020-01-13 | 2020-04-17 | 昆明理工大学 | Can fix on-spot measurement bulk material penetration test device of soil body |
| CN111896449A (en) * | 2020-07-14 | 2020-11-06 | 中国海洋大学 | Permeameter and method for measuring permeability coefficient of saturated silt |
| CN114279930A (en) * | 2021-12-24 | 2022-04-05 | 云南华水投资管理有限公司 | Permeation device |
| CN114518314A (en) * | 2022-03-14 | 2022-05-20 | 云南云水工程技术检测有限公司 | Soil material infiltration detection device |
| CN115290533A (en) * | 2022-08-05 | 2022-11-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Centrifugal model test device and method for simulating soil body permeation |
-
2017
- 2017-04-13 CN CN201720387153.5U patent/CN206756653U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333097A (en) * | 2018-04-23 | 2018-07-27 | 贵州大学 | A kind of initial infiltration rate assay method of soil and its mancarried device |
| CN109444017A (en) * | 2018-11-14 | 2019-03-08 | 扬州大学 | A kind of multi-functional pavement material device for testing permeability coefficient and its test method |
| CN109752305B (en) * | 2019-02-27 | 2022-09-30 | 中国地质大学（武汉） | Constant head soil permeability coefficient measuring device |
| CN109752304A (en) * | 2019-02-27 | 2019-05-14 | 中国地质大学（武汉） | A kind of varying head soil permeability coefficient measurement device |
| CN109752305A (en) * | 2019-02-27 | 2019-05-14 | 中国地质大学（武汉） | A kind of constant head soil permeability coefficient measurement device |
| CN109752304B (en) * | 2019-02-27 | 2022-11-04 | 中国地质大学（武汉） | Variable water head soil permeability coefficient measuring device |
| CN110850058A (en) * | 2019-11-18 | 2020-02-28 | 长安大学 | Leaching test device and using method thereof |
| CN110850058B (en) * | 2019-11-18 | 2023-11-14 | 长安大学 | Leaching test device and application method thereof |
| CN110907332A (en) * | 2019-12-11 | 2020-03-24 | 天津市市政工程设计研究院 | Testing device and method for horizontal permeability coefficient of shallow soil |
| CN111024590A (en) * | 2020-01-13 | 2020-04-17 | 昆明理工大学 | Can fix on-spot measurement bulk material penetration test device of soil body |
| CN111024590B (en) * | 2020-01-13 | 2024-04-26 | 昆明理工大学 | Site measurement discrete material penetration test device capable of fixing soil body |
| CN111896449A (en) * | 2020-07-14 | 2020-11-06 | 中国海洋大学 | Permeameter and method for measuring permeability coefficient of saturated silt |
| CN111896449B (en) * | 2020-07-14 | 2021-06-01 | 中国海洋大学 | Permeameter and method for measuring permeability coefficient of saturated silt |
| CN114279930A (en) * | 2021-12-24 | 2022-04-05 | 云南华水投资管理有限公司 | Permeation device |
| CN114518314A (en) * | 2022-03-14 | 2022-05-20 | 云南云水工程技术检测有限公司 | Soil material infiltration detection device |
| CN115290533A (en) * | 2022-08-05 | 2022-11-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Centrifugal model test device and method for simulating soil body permeation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180413 |