CN113109239B - Improved multifunctional earth pillar penetration experiment device - Google Patents
Improved multifunctional earth pillar penetration experiment device Download PDFInfo
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- CN113109239B CN113109239B CN202110542119.1A CN202110542119A CN113109239B CN 113109239 B CN113109239 B CN 113109239B CN 202110542119 A CN202110542119 A CN 202110542119A CN 113109239 B CN113109239 B CN 113109239B
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- 230000035515 penetration Effects 0.000 title claims abstract description 17
- 238000002474 experimental method Methods 0.000 title claims description 11
- 239000002689 soil Substances 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000006872 improvement Effects 0.000 claims abstract description 15
- 230000008595 infiltration Effects 0.000 claims abstract description 15
- 238000001764 infiltration Methods 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims abstract description 14
- 239000004575 stone Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 20
- 230000035699 permeability Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Chemical & Material Sciences (AREA)
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- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- 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 provides a multi-functional earth pillar infiltration experimental apparatus of improvement version, relates to a penetration test geotome, and the device realizes its penetration test purpose to the original state soil through the earth pillar structure correction in to current tester. Including remolding earth pillar, annular steady hydrophone, characterized by: the remolded soil column comprises a hollow pipe, a porous plate type flange plate and a bottom flange plate, wherein the porous plate type flange plate is arranged at the upper end of the hollow pipe, and the bottom flange plate is arranged at the lower end of the hollow pipe; the remolded soil column also comprises a remolded soil column which is a small hollow tube and is arranged on a flange plate at the bottom in the remolded soil column, the annular water stabilizer comprises a top cover, a flange plate, an upper hollow tube and a lower flange, the upper part of the top cover is provided with a water inlet hole, the upper end of the upper hollow tube is connected with the flange plate, the flange plate is connected with the top cover, the lower end of the upper hollow tube is connected with the lower flange, and the side surface of the upper hollow tube is provided with an overflow tube; a porous plate type flange plate of the remolded soil column is connected with a lower flange of the annular water stabilizer, an annular water-stop plate is further arranged on the porous plate type flange plate, a bottom flange plate is connected with a flange at the lower end of a hollow pipe of the original soil column, and a lower porous plate is arranged on the bottom flange plate.
Description
Technical Field
The invention relates to a penetration test device, in particular to an improved multifunctional soil column penetration test device.
Background
The indoor penetration test device is a common scientific test device for subjects such as soil mechanics, hydrology and geology, engineering geology and the like, and is generally used for measuring the penetration characteristics of rock and soil bodies. At present, two types of test devices for measuring permeability characteristics in engineering or laboratories are mainly provided, namely a simple Darcy instrument which is mainly used for measuring the permeability coefficient of remolded soil, is limited by a structure, only adapts to a test experiment of remolded soil and cannot perform a permeability test of undisturbed soil; the other type of simple permeameter based on self-control generally utilizes a self-control soil column to take an original state soil sample on site and then transports the original state soil sample to a laboratory for permeability test, and has the advantages that the permeability test of the original state soil can be carried out and the defect that the permeability coefficient cannot be measured. Therefore, the traditional penetration test device has single function and cannot simultaneously complete the penetration test of remolded soil and undisturbed soil.
Remolding soil: the soil obtained by destroying the original soil structure when taking the soil. Undisturbed soil: the soil is obtained by pressing the container into natural soil and then taking out the container and the soil in the container integrally, and the whole structure of the original soil is not damaged in the process.
Disclosure of Invention
The invention aims to: the utility model provides an improvement version multi-functional earth pillar infiltration experimental apparatus, realizes its penetration test purpose to the original state soil through the earth pillar structure correction in to current tester.
The technical scheme of the invention is as follows: the utility model provides a multi-functional earth pillar infiltration experimental apparatus of improvement version, is characterized by including remolding earth pillar, annular steady hydrophone: the remolded soil column comprises a hollow pipe, a porous plate type flange and a bottom flange, wherein the porous plate type flange is arranged at the upper end of the hollow pipe, and the bottom flange is arranged at the lower end of the hollow pipe; the remolded soil column also comprises a undisturbed soil column which is a small hollow pipe, the undisturbed soil column is arranged on a bottom flange in the remolded soil column, the annular water stabilizer comprises a top cover, a flange, an upper hollow pipe and a lower flange, a water inlet hole is formed in the upper part of the top cover, the upper end of the upper hollow pipe is connected with the flange, the flange is connected with the top cover, the lower end of the upper hollow pipe is connected with the lower flange, and an overflow pipe is arranged on the side surface of the upper hollow pipe; a porous plate type flange of the remolded soil column is connected with a lower flange of an annular water stabilizer, an annular water-stop plate is further arranged on the porous plate type flange, a bottom flange is connected with a flange at the lower end of a hollow pipe of the original soil column, a lower porous plate is arranged on the bottom flange, the lower porous plate is radially connected with the hollow pipe and the small hollow pipe, a flange of a water collector is connected below the bottom flange, a water outlet pipe is arranged below the water collector, and an orifice for connecting a hose is arranged on the side surface of the hollow pipe; the side surface of the small hollow pipe is provided with a water outlet, and the orifice and the water outlet are used for connecting a reading system.
Further multi-functional earth pillar infiltration experimental apparatus of improvement version, characterized by: the bottom end of a hollow pipe of the remolded soil column is provided with threads to be connected with a bottom flange plate, a sand column is arranged inside the hollow pipe, a porous flange plate covers the sand column, and an annular water stabilizer is arranged on the upper part of the hollow pipe.
Further multi-functional earth pillar infiltration experimental apparatus of improvement version, characterized by: the annular water stabilizer is provided with a water inlet guide pipe and an overflow guide pipe.
Further an improvement version multi-functional earth pillar infiltration experimental apparatus, characterized by: the upper part of the undisturbed soil column is provided with a porous plate for balancing falling water drops.
Further multi-functional earth pillar infiltration experimental apparatus of improvement version, characterized by: the same permeable stone of diameter is equipped with to original state earth pillar bottom, and the permeable stone is installed on bottom ring flange upper portion.
Further multi-functional earth pillar infiltration experimental apparatus of improvement version, characterized by: the hollow pipe and the small hollow pipe are made of transparent materials.
Further an improvement version multi-functional earth pillar infiltration experimental apparatus, characterized by: the hollow pipe and the small hollow pipe are made of organic glass.
When the soil testing device is used, the original-state soil column can be taken out, and the remolded soil is added into the remolded soil column or directly added into the original-state soil column for testing; when testing undisturbed soil, taking out the undisturbed soil column, pressing the undisturbed soil column into the natural soil to be tested, integrally taking out the undisturbed soil column and the soil in the undisturbed soil column, and re-installing the undisturbed soil column taking-out column with the undisturbed soil on a bottom flange plate in the remolded soil column; after the soil to be tested is installed, the test is started, the flowing water enters the annular water stabilizer from the water inlet hole in the self-sealing flange plate, the flowing water flows into the soil body remolding the soil column through the porous plate type flange plate and flows out through the soil body permeating through the water outlet on the side surface of the undisturbed soil column, and part of the flowing water flows into the bottom collector through the porous plate, the permeable stone and the bottom flange plate and is discharged through the water outlet.
The invention has the beneficial effects that: 1. the annular water stabilizer overcomes the defect that the prior device can not control the water flow balance, and the porous plate type flange plate and the water stop plate maintain the stability of the downward leakage water flow.
2. Satisfy the inside soil body of frequent change of different experiments needs, the original state earth pillar remolds the use of earth pillar, both can be used for after the disturbance or the soil sample of joining in marriage, also can directly be used for original state soil to do the experiment, still makes to be tested soil sample and changes convenient and fast, saves the experimental time and has improved experimental efficiency, the material resources of using manpower sparingly.
3. The problem of only can test remolded soil function singleness for the experimental testing arrangement of darcy in the current laboratory is solved, it is slow to change the soil speed of being surveyed moreover, and the step is many is solved, has realized being surveyed soil quick replacement.
4. The water needed by the laboratory can be used and recycled, and the water cost is saved;
5. the undisturbed soil-taking column can be externally connected with a pressure-measuring water pipe to obtain a section pressure-measuring water head, so that the permeability coefficient of undisturbed soil is measured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the undisturbed soil column taken out according to the present invention;
FIG. 3 is an enlarged schematic view of the top view of the porous flange of the present invention;
FIG. 4 is an enlarged schematic view of the top view structure of the flange of the base of the present invention
In the figure: the water-permeable gravel-free water collector comprises a top cover 1, an overflow pipe 2, bolts 3, a porous plate type flange plate 4, a hollow pipe 5, a porous plate 6, a small hollow pipe 7, a water-permeable stone 8, a bottom flange plate 9, a water outlet pipe 10, a water collector 11, a flange 12, a lower porous plate 13, a water outlet 14, a hole opening 15, a lower flange 16, a water-stop plate 17, an upper hollow pipe 18, a flange plate 19, a water inlet hole 20, an overflow hole 21, cobblestones 22 and water-permeable holes 23.
Detailed Description
In the figure: the utility model provides a multi-functional earth pillar infiltration experimental apparatus of improvement version, is characterized by including remolding earth pillar, annular steady hydrophone: the remolded soil column comprises a hollow pipe 5, a porous plate type flange plate 4 and a bottom flange plate 9, wherein the porous plate type flange plate 4 is arranged at the upper end of the hollow pipe 5, and the bottom flange plate 9 is arranged at the lower end of the hollow pipe 5; the remolded soil column also comprises a remolded soil column 7, wherein the remolded soil column 7 is a small hollow pipe, the remolded soil column 7 is arranged on a flange plate 9 at the bottom in the remolded soil column, the annular water stabilizer comprises a top cover 1, a flange plate 19, an upper hollow pipe 18 and a lower flange 16, the upper part of the top cover 1 is provided with a water inlet hole 20, the upper end of the upper hollow pipe 18 is connected with the flange plate 19, the flange plate 19 is connected with the top cover 1, the lower end of the upper hollow pipe 18 is connected with the lower flange 16, and the side surface of the upper hollow pipe 18 is provided with an overflow pipe 2; a porous plate type flange plate 4 of a remolded soil column is connected with a lower flange 16 of an annular water stabilizer, a water-stop plate 17 is further arranged on the porous plate type flange plate 4, a bottom flange plate 9 is connected with the lower end of a hollow pipe 5 of an original soil column, a lower porous plate 13 is arranged on the bottom flange plate 9, the lower porous plate 13 is radially connected with the hollow pipe 5 and a small hollow pipe 7, a flange 12 of a water collector 11 is connected below the bottom flange plate 9, a water outlet pipe 10 is arranged below the water collector 11, and an orifice 15 for connecting a hose is arranged on the side surface of the hollow pipe 5; the side surface of the small hollow tube 7 is provided with a water outlet 14, and an orifice 15 and the water outlet 15 are used for connecting a reading system.
Further an improvement version multi-functional earth pillar infiltration experimental apparatus, characterized by: the upper part of the undisturbed soil column is provided with a porous plate 6 for balancing falling water drops.
Further an improvement version multi-functional earth pillar infiltration experimental apparatus, characterized by: the same permeable stone 8 of circle diameter is equipped with in original state earth pillar bottom, and permeable stone 8 is installed on 9 upper portions of bottom ring flanges.
Further multi-functional earth pillar infiltration experimental apparatus of improvement version, characterized by: the hollow pipe 5 and the small hollow pipe 7 are made of transparent materials.
Further multi-functional earth pillar infiltration experimental apparatus of improvement version, characterized by: the hollow pipe 5 and the small hollow pipe 7 are made of organic glass.
Claims (7)
1. The utility model provides a multi-functional earth pillar infiltration experimental apparatus of improvement version, is characterized by including remolding earth pillar, annular steady hydrophone: the remolded soil column comprises a hollow pipe, a porous plate type flange and a bottom flange, wherein the porous plate type flange is arranged at the upper end of the hollow pipe, and the bottom flange is arranged at the lower end of the hollow pipe; the remolded soil column also comprises a undisturbed soil column which is a small hollow pipe, the undisturbed soil column is arranged on a bottom flange in the remolded soil column, the annular water stabilizer comprises a top cover, a flange, an upper hollow pipe and a lower flange, a water inlet hole is formed in the upper part of the top cover, the upper end of the upper hollow pipe is connected with the flange, the flange is connected with the top cover, the lower end of the upper hollow pipe is connected with the lower flange, and an overflow pipe is arranged on the side surface of the upper hollow pipe; a porous plate type flange of the remolded soil column is connected with a lower flange of an annular water stabilizer, an annular water-stop plate is further arranged on the porous plate type flange, a bottom flange is connected with a flange at the lower end of a hollow pipe of the original soil column, a lower porous plate is arranged on the bottom flange, the lower porous plate is radially connected with the hollow pipe and the small hollow pipe, a flange of a water collector is connected below the bottom flange, a water outlet pipe is arranged below the water collector, and an orifice for connecting a hose is arranged on the side surface of the hollow pipe; the side surface of the small hollow tube is provided with a water outlet, and the orifice and the water outlet are used for connecting a reading system.
2. The improved multifunctional soil column penetration experiment device of claim 1, which is characterized in that: the remolding soil column hollow tube bottom is equipped with the screw and is connected with the bottom ring flange, and hollow tube internally mounted has the sand column, covers a porous ring flange above the sand column, and annular water stabilizer installs on hollow tube upper portion.
3. The improved multifunctional soil column penetration experiment device of claim 1, which is characterized in that: and the annular water stabilizer is provided with a water inlet guide pipe and an overflow guide pipe.
4. The improved multifunctional soil column penetration experiment device as claimed in claim 1, wherein: and the upper part of the undisturbed soil column is provided with a porous plate for balancing falling water drops.
5. The improved multifunctional soil column penetration experiment device as claimed in claim 1, wherein: the same permeable stone of diameter is equipped with to original state earth pillar bottom, and the permeable stone is installed on bottom ring flange upper portion.
6. The improved multifunctional soil column penetration experiment device of claim 1, which is characterized in that: the hollow pipe and the small hollow pipe are made of transparent materials.
7. The improved multifunctional soil column penetration experiment device of claim 1, which is characterized in that: the hollow tube is made of organic glass.
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| CN202110542119.1A CN113109239B (en) | 2021-05-18 | 2021-05-18 | Improved multifunctional earth pillar penetration experiment device |
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| CN202110542119.1A CN113109239B (en) | 2021-05-18 | 2021-05-18 | Improved multifunctional earth pillar penetration experiment device |
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| CN113109239A CN113109239A (en) | 2021-07-13 |
| CN113109239B true CN113109239B (en) | 2022-10-14 |
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