CN207689331U - A kind of infiltrative tester of research soil - Google Patents
A kind of infiltrative tester of research soil Download PDFInfo
- Publication number
- CN207689331U CN207689331U CN201820026145.2U CN201820026145U CN207689331U CN 207689331 U CN207689331 U CN 207689331U CN 201820026145 U CN201820026145 U CN 201820026145U CN 207689331 U CN207689331 U CN 207689331U
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- China
- Prior art keywords
- infiltrative
- tester
- soil sample
- pipe
- tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of infiltrative testers of research soil, including test stand, tube filled with water is connected with by spring on test stand, the lower part of tube filled with water is connected to test specimen tube by communicating pipe, when using, soil sample is housed in test specimen tube, the downside of soil sample is equipped with loaded filter, and porous filter plate is equipped between soil sample and loaded filter, the first pressure-measuring pipe is connected at the top of soil sample, the bottom of soil sample is connected with the second pressure-measuring pipe, and outlet pipe is connected on loaded filter, beaker is provided with immediately below the outlet end of outlet pipe.The utility model can reach the test result as standard test device, and accuracy can be guaranteed.
Description
Technical field
The utility model belongs to soil mass property testing field, and in particular to a kind of infiltrative tester of research soil.
Background technology
In engineering practice, piping and drift sand phenomenon cause the huge person and property loss frequent occurrence, to the mankind,
And piping and the generation of drift sand phenomenon and the infiltration of water have close relationship, so the permeability of research soil is very important.
Currently, the infiltrative experimental provision for measuring soil in earthwork test rule has variable head permeability test and constant head
Infiltration experiment device, although both experimental rig comparative maturities, due to the complexity of soil sample, the limitation of experimental condition, this
Two kinds of devices use inconvenient.
Utility model content
The utility model provides a kind of infiltrative tester of research soil, to solve problem of the prior art, this reality
Native permeability can be measured with novel, and the head of a pressure-measuring pipe therein remains unchanged during the test, meanwhile,
Tube filled with water device is connect with another pressure-measuring pipe also, head height is improved while reducing experiment material therefor, is made
Percolation flow velocity is accelerated, not only economic but also actual effect.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of infiltrative tester of research soil, including test stand are connected with tube filled with water by spring on test stand, contain
The lower part of water drum is connected to test specimen tube by communicating pipe, when in use, being equipped with soil sample in test specimen tube, the downside of soil sample is equipped with
Loaded filter, and porous filter plate is equipped between soil sample and loaded filter, it is connected with the first pressure-measuring pipe at the top of soil sample, soil sample
Bottom is connected with the second pressure-measuring pipe, and outlet pipe is connected on loaded filter, beaker is provided with immediately below the outlet end of outlet pipe.
Further, the spring is connected to the hook on test stand by lanyard.
Further, it is provided with valve on communicating pipe.
Further, test stand includes pedestal, montant is connected on pedestal, and being connected on montant can slide along montant
Cross bar, tube filled with water are connected on cross bar.
Further, the height of test specimen tube is 200mm, internal diameter 90mm, outer diameter 110mm.
Further, the height of soil sample is 100mm, a diameter of 90mm.
Further, the material of loaded filter is rubble.
Further, communicating pipe is rubber tube, and the first pressure-measuring pipe and outlet pipe are glass tube, and the second pressure-measuring pipe is plastics
Pipe.
Further, the bottom of test specimen tube is equipped with cushion block.
Further, the vertical range between outlet pipe and beaker is 40mm.
Compared with prior art, the utility model has technique effect beneficial below：
When the utility model is used, after test specimen tube is made, soil sample is layered in test specimen tube and is hit in fact to one
After determining height, test specimen tube is inverted, then sets up porous filter plate on soil sample top, is then placed on porous filter plate upper anti-
Then filtering layer carries out back cover, then test specimen tube is just being set, bind, and outlet pipe, soil sample are inserted into the lower part of loaded filter
Upper and lower part the first pressure-measuring pipe and the second pressure-measuring pipe be set, and at the upper right quarter bottom of communicating pipe and tube filled with water of test specimen tube
Portion is connected, and after adding water to tube filled with water, closes the lid, screws on spring, hang on test stand, makes the water level and first of tube filled with water
Water level is equally high in pressure-measuring pipe, and water enters in test specimen tube, and control spring makes the water level in the pressure-measuring pipe on sample top and tube filled with water
Interior water level is equally high, and remains unchanged, after a period of time, after the stable level of the second pressure-measuring pipe of soil sample lower part, i.e.,
It can calculation permeability coefficient.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Wherein, 1- lanyards；2- springs；3- tube filled with water；4- communicating pipes；The first pressure-measuring pipes of 5-；The second pressure-measuring pipes of 6-；7- samples
Cylinder；8- outlet pipes；9- beakers；10- cushion blocks；11- loaded filters；The porous filter plates of 12-；13- soil samples；14- test stands.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, a kind of infiltrative tester of research soil, including lanyard 1, spring 2, tube filled with water 3 and test specimen tube 7,
7 high 200mm of test specimen tube, test specimen tube internal diameter 90mm, outer diameter 110mm, soil sample 13 high 100mm, diameter 90mm.Tube filled with water 3 and examination
The communicating pipe 4 of the rubber material of sample cylinder 7 is connected, and tube filled with water 3 is hung over by spring 2 on test stand 14, and 13 top of soil sample is inserted into
First pressure-measuring pipe 5 of glass material makes the water in test specimen tube 7 be connected with air, the lower part of soil sample 13 and the second of plastic material
Pressure-measuring pipe 6 is connected, and the outlet pipe 8 of the lower part connection glass material of loaded filter 11, beaker 9, sample are arranged at 8 external port lower part of outlet pipe
7 lower parts of cylinder are cushion block 10, there is one layer of rounded porous filter plate 12 between soil sample 13 and loaded filter 11.The water outlet of 11 lower part of loaded filter
Vertical range of the pipe 8 away from beaker 9 is 40mm, and the material of loaded filter 11 is rubble.
The utility model is described in detail with reference to embodiment：
When the utility model is used, after test specimen tube 7 is made, by soil sample 13, reality is hit in layering in test specimen tube 7
To certain altitude, test specimen tube 7 is inverted, then porous filter plate 12 is set up on 13 top of soil sample in test specimen tube 7, then more
Rubble is inserted on hole filter plate 12 and works as loaded filter 11, then carries out back cover, then test specimen tube 7 is just being set, is being bound, in loaded filter
Outlet pipe 8 is inserted into 11 lower part, and the first pressure-measuring pipe 5, the second pressure-measuring pipe 6 is arranged in the upper and lower part of soil sample 13.Tube filled with water 3 is filled
Full water closes the lid, and screws on spring 2, is connected with communicating pipe 4 with the upper right quarter of soil sample 13 in the bottom of tube filled with water 3, is hung up
Rope 1, it is equal with the water surface in the first pressure-measuring pipe 5 with the water surface in horizon rule control tube filled with water 3, lanyard 1 is then fixed in hook
On, and test stand 14 is kept to stablize, the valve of 3 bottom of tube filled with water is opened, water is flowed by communicating pipe 4 in test specimen tube 6, and tune is passed through
Section lanyard 1 controls spring 2 in turn makes the water level in first pressure-measuring pipe 5 on 13 top of soil sample as the water level in tube filled with water 3
Height, and remain unchanged.After a period of time, after the stable level of the second pressure-measuring pipe 6 of 13 lower part of soil sample, with 10 bottom of cushion block
It is zero curve with 9 bottom of beaker, measures the height h of the first pressure-measuring pipe 5, the second pressure-measuring pipe 61、h2, Δ h=h1-h2, it is then shut off valve
Door calculates infiltration coefficient by formula k=QL/ Δ h At, and wherein Q indicates to flow through the flow of soil sample, A tables in time t
Show that the cross-sectional area of soil sample, k indicate infiltration coefficient.
Claims (10)
1. a kind of infiltrative tester of research soil, which is characterized in that including test stand (14), test stand passes through bullet on (14)
Spring (2) is connected with tube filled with water (3), and the lower part of tube filled with water (3) is connected to test specimen tube (7) by communicating pipe (4), when in use, examination
Soil sample (13) is housed, the downside of soil sample (13) is equipped with loaded filter (11), and soil sample (13) and loaded filter in sample cylinder (7)
(11) it is equipped with porous filter plate (12) between, the first pressure-measuring pipe (5), the bottom of soil sample (13) are connected at the top of soil sample (13)
It is connected with the second pressure-measuring pipe (6), outlet pipe (8) is connected on loaded filter (11), is provided with immediately below the outlet end of outlet pipe (8)
Beaker (9).
2. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that the spring (2) is logical
Cross the hook that lanyard (1) is connected on test stand (14).
3. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that set on communicating pipe (4)
It is equipped with valve.
4. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that test stand (14) includes
Pedestal is connected with montant on pedestal, the cross bar that can be slided along montant is connected on montant, tube filled with water (3) is connected on cross bar.
5. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that the height of test specimen tube (7)
Degree is 200mm, internal diameter 90mm, outer diameter 110mm.
6. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that the height of soil sample (13)
Degree is 100mm, a diameter of 90mm.
7. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that the material of loaded filter (11)
Material is rubble.
8. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that communicating pipe (4) is rubber
Sebific duct, the first pressure-measuring pipe (5) and outlet pipe (8) are glass tube, and the second pressure-measuring pipe (6) is plastic tube.
9. a kind of infiltrative tester of research soil according to claim 1, which is characterized in that the bottom of test specimen tube (7)
Portion is equipped with cushion block (10).
10. a kind of infiltrative tester of research soil according to claim 9, which is characterized in that outlet pipe (8) and burning
Vertical range between cup (9) is 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026145.2U CN207689331U (en) | 2018-01-08 | 2018-01-08 | A kind of infiltrative tester of research soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026145.2U CN207689331U (en) | 2018-01-08 | 2018-01-08 | A kind of infiltrative tester of research soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689331U true CN207689331U (en) | 2018-08-03 |
Family
ID=62991219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820026145.2U Expired - Fee Related CN207689331U (en) | 2018-01-08 | 2018-01-08 | A kind of infiltrative tester of research soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207689331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799180A (en) * | 2019-03-18 | 2019-05-24 | 成都理工大学 | A kind of device of Simulated soil columns rainfall infiltration overall process |
-
2018
- 2018-01-08 CN CN201820026145.2U patent/CN207689331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799180A (en) * | 2019-03-18 | 2019-05-24 | 成都理工大学 | A kind of device of Simulated soil columns rainfall infiltration overall process |
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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: 20180803 Termination date: 20190108 |