CN207991982U - Test the device that the soil body resists scouring capability - Google Patents
Test the device that the soil body resists scouring capability Download PDFInfo
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- CN207991982U CN207991982U CN201820562722.XU CN201820562722U CN207991982U CN 207991982 U CN207991982 U CN 207991982U CN 201820562722 U CN201820562722 U CN 201820562722U CN 207991982 U CN207991982 U CN 207991982U
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Abstract
A kind of test soil body resists the device of scouring capability, including bearing frame, upper flume and lower flume are provided on bearing frame, upper flume inner space is separated into three flow approach section, waterflow stabilization section and flow discharge section parts by vertical water inlet sieve tray and draining sieve tray；Sample frame is installed above bearing frame, in sample frame, the power transmission platform of having electronic balance is connect by more transmission rods with sample box, and sample box stretches into waterflow stabilization section, the sample box end face vertical with flow is metal wire side, and Flow speed measurer is provided in waterflow stabilization section.The test soil body provided by the utility model resists the device of scouring capability, it can solve the problems, such as that the existing test soil body resists scouring capability without experimental provision, it is simple in structure, it is easy to use, the data of automatic collection electronic balance, scouring force can be calculated according to water velocity, establish the time relationship between scouring force and particle number of dropouts, test the erosion resistibility of different soil samples.
Description
Technical field
The utility model is related to ground experimental field, especially a kind of test soil body resists the device of scouring capability.
Background technology
With the foundation of Chinese large-sized reservoir, form a large amount of new library banks, the erosion resistibility of reservoir stability mainly by
The influence of internal factor and external factor.Internal factor is mainly the constituent of the soil body and the moisture content of the soil body, dry density, glutinous
The mechanics index of physics such as poly- power c.External factor is mainly flow velocity, water temperature, fluidised form of library water etc..There are some scholars to attempt at present
Qualitative flume experiment and field experiment are carried out, but experimental variable is difficult to control, measurement accuracy is difficult to ensure.
Invention content
The technical problem to be solved by the utility model is to provide the devices that a kind of test soil body resists scouring capability, can be with
Solve the problems, such as that the existing test soil body resists scouring capability without experimental provision, simple in structure, easy to use, automatic collection electronics day
Flat data can calculate scouring force according to water velocity, establish the time relationship between scouring force and particle number of dropouts, test is not
With the erosion resistibility of soil sample.
In order to solve the above technical problems, technical solution used by the utility model is：A kind of resistance of the test soil body is washed away
The device of ability, including bearing frame,
Upper flume and lower flume are provided on bearing frame, upper flume inner space is sieved by vertical water inlet sieve tray and draining
Orifice plate is separated into flow approach section, three parts of waterflow stabilization section and flow discharge section, water inlet sieve tray and draining sieve tray
On aperture gradually reduce from top to bottom；
Electronic balance is installed above bearing frame, sample frame is made of power transmission platform, transmission rod and sample box, and sample frame is logical
The upper surface for crossing power transmission platform is hung on electronic balance, and the lower surface of power transmission platform is connect by more transmission rods with sample box, sample
Box stretches into waterflow stabilization section, and the sample box end face vertical with flow is metal wire side, and flow velocity survey is provided in waterflow stabilization section
Instrument is measured, Flow speed measurer is matched with the soil sample in sample box；
Lower flume is divided into water pump section and circulation section by the vertical dirty sponge plate that blocks, and variable frequency pump is equipped in water pump section,
Variable frequency pump is connected to by the upper hose with valve with flow approach section, and flow is discharged section and is connected by lower aquaporin and circulation section
It is logical；
Flowmeter and electronic balance are connect by data line with data collecting system respectively.
Variable frequency pump is the water pump for having multiple gears.
Upper flume and lower flume are using sink made of transparent organic glass.
Power transmission platform is hollow power transmission platform, and the upper surface of sample box is detachable organic glass lid.
A method of scouring capability being resisted using the above-mentioned apparatus test soil body, this approach includes the following steps：
Step 1：Close valve；
Step 2：The water of lower flume volume 3/4 is added into lower flume；
Step 3：Valve is opened, while opening variable frequency pump；
Step 4：Continue to add water into lower flume；
Step 5：Variable frequency pump send the water of lower flume to upper flume by upper hose, until upper flume, lower flume pass through
After variable frequency pump and the successive watercourse at both ends form the circulatory system and tend towards stability, stop adding water；
Step 6：The soil sample made is put into sample box, detachable organic glass lid is then covered；
Step 7：Electronic balance is opened, and electronic balance is read and is reset；
Step 8：It opens:Data collecting system acquires and records at timed intervals electronic balance reading；
Step 9：Sample box is hung over by the upper surface of transmission rod on electronic balance, and sample box is made to be immersed in upper flume
Flowing water in, washout test formally starts, and with the generation washed away, the particle in soil sample is taken away by the water, quality reduce, balance read
Number changes therewith；
Step 10：The amount being washed according to soil sample, Control experiment progress close data collecting system and change at the end of experiment
Frequency water pump completes the test that the soil body resists scouring capability.
The test soil body provided by the utility model resists the device of scouring capability, has the beneficial effect that：
1, can and dry density, cohesion c and drying moistening cycle identical soil sample different for several groups of moisture content, point
Not carry out identical flow velocity washout test, obtain cohesive soil be washed erosion process and moisture content quantitative relationship and its variation rule
Rule.
2, can and moisture content, cohesion c and drying moistening cycle identical soil sample different for several groups of dry densities, point
Not carry out identical flow velocity washout test, obtain cohesive soil be washed erosion process and dry density quantitative relationship and its variation rule
Rule.
3, can and dry density, moisture content and drying moistening cycle identical soil sample different for several groups of cohesive strengths, respectively
The washout test for carrying out identical flow velocity obtains quantitative relationship and its variation rule that cohesive soil is washed erosion process and cohesive strength
Rule.
4, can and dry density, moisture content and cohesive strength identical soil sample different for several groups of drying moistening cycles, respectively
The washout test for carrying out identical flow velocity, obtains quantitative relationship and its change that cohesive soil is washed erosion process and drying moistening cycle
Law.
It can solve the problems, such as that the existing test soil body resists scouring capability without experimental provision, it is simple in structure, it is easy to use, from
The data of dynamic acquisition electronic balance can calculate scouring force according to water velocity, establish between scouring force and particle number of dropouts when
Between relationship, test the erosion resistibility of different soil samples.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of utility model device；
Fig. 2 is the Local map of the sample frame and balance position relationship of utility model device.
Specific implementation mode
Embodiment one
As depicted in figs. 1 and 2, a kind of test soil body resists the device of scouring capability, including bearing frame 1,
Upper flume 3 and lower flume 2 are provided on bearing frame 1,3 inner space of upper flume is by vertical 8 He of water inlet sieve tray
Draining sieve tray 9 is separated into 21 3 flow approach section 19, waterflow stabilization section 20 and flow discharge section parts, sieve tray of intaking
Aperture on 8 gradually reduces from top to bottom, and it is stable to wash away the flow of sample to control；Drain the aperture on sieve tray 9
It gradually reduces from top to bottom, to the waterflow stabilization between two sieve trays of control.
1 top of bearing frame is equipped with electronic balance 14, and sample frame 5 is made of power transmission platform, transmission rod 16 and sample box 15,
Sample frame 5 is hung over by the upper surface of power transmission platform on electronic balance 14, and the lower surface of power transmission platform passes through more transmission rods 16 and examination
Sample box 15 connects, and sample box 15 stretches into waterflow stabilization section 20, and the end face vertical with flow of sample box 15 is metal wire side 17, water
It is provided with Flow speed measurer 6 in stream stable section 20, Flow speed measurer 6 is matched with the soil sample in sample box 15, for accurately surveying
Determine speed when current scour soil sample；
Lower flume 2 is divided into water pump section 22 and circulation section 23 by the vertical dirty sponge plate 11 that blocks, and is equipped in water pump section 22
Variable frequency pump 4, variable frequency pump 4 are connected to by the upper hose 12 with valve 13 with flow approach section 19, and flow discharge section 21 passes through
Lower aquaporin 10 is connected to circulation section 23；
Flowmeter 6 and electronic balance 14 are connect by data line 18 with data collecting system 7 respectively.
Variable frequency pump 4 is the water pump for having ten gears, and flow rate of water flow is controlled by different stalls.
Upper flume 3 and lower flume 2 are sink made of the transparent organic glass using thickness 10mm.
Power transmission platform is hollow power transmission platform, and the upper surface of sample box 15 is detachable organic glass lid, and transmission rod 16 is
Metallic rod.
Data collecting system is the CPU processor in computer.
Embodiment two
A method of scouring capability being resisted using the above-mentioned apparatus test soil body, this approach includes the following steps：
Step 1：Close valve 13；
Step 2：The water of lower flume volume 3/4 is added into lower flume 2；
Step 3：Valve 13 is opened, while opening variable frequency pump 4；
Step 4：Continue to add water into lower flume 2；
Step 5：Variable frequency pump 4 send the water of lower flume 2 to upper flume 3 by upper hose 12, until upper flume 3, lower water
Slot 2 stops adding water by variable frequency pump 4 and the successive watercourse at the both ends composition circulatory system and after tending towards stability；
Step 6：The soil sample made is put into sample box 15, detachable organic glass lid is then covered；
Step 7：Electronic balance 14 is opened, and electronic balance 14 is read and is reset；
Step 8：It opens:Data collecting system 7 acquires and records at timed intervals electronic balance 14 and reads；
Step 9：Sample box 15 is hung over by the upper surface of transmission rod 16 on electronic balance 14, and sample box 15 is made to submerge
In the flowing water of upper flume, washout test formally starts, and with the generation washed away, the particle in soil sample is taken away by the water, and quality subtracts
Small, balance reading changes therewith；
Step 10：The amount being washed according to soil sample, Control experiment progress close 7 He of data collecting system at the end of experiment
Variable frequency pump 4 completes the test that the soil body resists scouring capability.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, mutually can be combined arbitrarily.This practicality is new
Technical characteristic in the technical solution that the protection domain of type should be recorded with claim, including the technical solution of claim record
Equivalents are protection domain.Equivalent replacement i.e. within this range is improved, also the scope of protection of the utility model it
It is interior.
Claims (3)
1. a kind of test soil body resists the device of scouring capability, including bearing frame（1）, it is characterised in that：
Bearing frame（1）On be provided with upper flume（3）And lower flume（2）, upper flume（3）Inner space is by vertical water inlet sieve tray
（8）With draining sieve tray（9）It is separated into flow approach section（19）, waterflow stabilization section（20）And section is discharged in flow（21）Three portions
Point；
Bearing frame（1）Top is equipped with electronic balance（14）, sample frame（5）By power transmission platform, transmission rod（16）And sample box（15）
Composition, sample frame（5）Electronic balance is hung over by the upper surface of power transmission platform（14）On, the lower surface of power transmission platform passes through more power transmissions
Bar（16）With sample box（15）Connection, sample box（15）Stretch into waterflow stabilization section（20）It is interior, waterflow stabilization section（20）Inside it is provided with
Flow speed measurer（6）, Flow speed measurer（6）With sample box（15）Interior soil sample matches；
Lower flume（2）Dirty sponge plate is blocked by vertical（11）It is divided into water pump section（22）And circulation section（23）, water pump section（22）It is interior
Variable frequency pump is installed（4）, variable frequency pump（4）Pass through band valve（13）Upper hose（12）With flow approach section（19）Connection,
Section is discharged in flow（21）Pass through lower aquaporin（10）With circulation section（23）Connection.
2. the test soil body according to claim 1 resists the device of scouring capability, it is characterised in that：Upper flume（3）With under
Sink（2）For using sink made of transparent organic glass.
3. the test soil body according to claim 1 resists the device of scouring capability, it is characterised in that：Power transmission platform is hollow
Power transmission platform, sample box（15）Upper surface be detachable organic glass lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562722.XU CN207991982U (en) | 2018-04-19 | 2018-04-19 | Test the device that the soil body resists scouring capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562722.XU CN207991982U (en) | 2018-04-19 | 2018-04-19 | Test the device that the soil body resists scouring capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991982U true CN207991982U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820562722.XU Expired - Fee Related CN207991982U (en) | 2018-04-19 | 2018-04-19 | Test the device that the soil body resists scouring capability |
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| CN (1) | CN207991982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781567A (en) * | 2019-02-25 | 2019-05-21 | 黄河水利委员会黄河水利科学研究院 | A method of property is washed away in test cohesive soil starting |
-
2018
- 2018-04-19 CN CN201820562722.XU patent/CN207991982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781567A (en) * | 2019-02-25 | 2019-05-21 | 黄河水利委员会黄河水利科学研究院 | A method of property is washed away in test cohesive soil starting |
| CN109781567B (en) * | 2019-02-25 | 2023-06-02 | 黄河水利委员会黄河水利科学研究院 | Method for testing starting scouring property of clay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20181019 Termination date: 20190419 |