CN109100229A - It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig - Google Patents
It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig Download PDFInfo
- Publication number
- CN109100229A CN109100229A CN201810709122.6A CN201810709122A CN109100229A CN 109100229 A CN109100229 A CN 109100229A CN 201810709122 A CN201810709122 A CN 201810709122A CN 109100229 A CN109100229 A CN 109100229A
- Authority
- CN
- China
- Prior art keywords
- amesdial
- experimental rig
- conditions
- column
- volume change
- Prior art date
- 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.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 21
- 238000007654 immersion Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 8
- 229920005479 Lucite® Polymers 0.000 claims abstract description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 abstract 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0021—Measuring arrangements characterised by the use of mechanical techniques for measuring the volumetric dimension of an object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0284—Bulk material, e.g. powders
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses the experimental rig for expanding the soil volume change under the conditions of a kind of measurement immersion, which is divided into experimental rig, loading device, measuring device, and experimental rig is made of two lucite cylinders and permeable stone；Loading device is made of numerical control hydraulic jack, pressure rod, pressurization ball seat, load column and top plate；Measuring device is made of amesdial, amesdial column and dial indicators rack.Three above part connects each other, cooperates jointly.The vertical load that the present invention is subject to by the loading simulation swelled ground of numerical control hydraulic jack, while utilization goes out, water supplying pipe simulation swelled ground is in drying and watering cycle condition, and the deformation rule of the soil body under the above conditions is accurately observed using measuring device.
Description
Technical field
The present invention relates to the experimental rigs that the soil volume change is expanded under the conditions of a kind of measurement immersion.The device can simulate swollen
Volume change rule of swollen soil under the conditions of immersion under the influence of by vertical load.The invention is equipped with outlet pipe and water supplying pipe simultaneously,
Volume change rule of swelled ground under the conditions of drying and watering cycle can also be simulated；The invention further relates to the user of the experimental rig
Method.
Background technique
In recent years, swelled ground was used widely in highway engineering as roadbed filling, and swelled ground is under the conditions of immersion
Cubic deformation can occur, this has seriously affected the safety of highway communication.The traffic due to caused by Treatment of Expansive Soil Embankment cubic deformation
Frequent occurrence, especially cubic deformation of embankment under the influence of by immersion condition has caused domestic and international numerous scholars' to accident
Concern, Treatment of Expansive Soil Embankment is in the construction process and the safety problem after completion has become highway construction person and must solve the problems, such as
One of.This experimental rig has great meaning to volume change rule of the research swelled ground under the influence of by vertical load and immersion condition
Justice.
Summary of the invention
The present invention is that swelled ground is influenced the experimental rig of volume change by vertical load under the conditions of solving a kind of measurement immersion,
The device is divided into experimental rig, loading device and measuring device, and experimental rig is made of two lucite cylinders and permeable stone；Add
It carries to set and be made of numerical control hydraulic jack, pressurizing ball pedestal, pressure rod, load column and top plate；Measuring device by amesdial,
Dial indicators rack and amesdial column composition.
Swelled ground experimental rig integral layout of cubic deformation under the conditions of immersion is: being arranged on the bottom plate of device
There are two lucite cylinders, and wherein the two sides of organic glass outer cylinder are equipped with outlet pipe and water supplying pipe, and organic glass inner cylinder is for trying
It tests fashionable dress and fills out soil body sample, two amesdial columns and four load columns are equipped on the bottom plate of described device.In the dress
There are two dial indicators racks for dress on the amesdial column set, and amesdial, the pointer of amesdial are equipped on two dial indicators racks
Come into full contact with two symmetrical grooves on pressurizing ball pedestal, loading device by numerical control hydraulic jack, pressurizing ball pedestal,
Pressure rod, load column and top plate composition, are equipped with permeable stone on the bottom plate.
The height 100mm of the organic glass inner cylinder, internal diameter 50mm, wall thickness 5mm are equipped with 24 circles on inner cylinder side wall
Hole is uniformly distributed as 4 rows, and the diameter of circular hole is 6mm, and the height of organic glass outer cylinder is 120mm, internal diameter 100mm, wall thickness
20mm.The internal diameter 10mm of described device outlet pipe, water supplying pipe, length 30mm, bottom plate be long 300mm, wide 300mm, with a thickness of
The steel plate of 10mm.
The loading device of described device includes numerical control hydraulic jack, pressurization ball seat, pressure rod, loads column and top plate,
Pressurization pole length is 50mm, and the pressurization ball seat radius is 50mm, and symmetrical thereon there are two long 20mm, and wide 6mm's is recessed
Slot, the height for loading column is 300mm, and it is highly the steel plate of 10mm that top plate, which is long 300mm, wide 300mm,.
The height of the amesdial column is 180mm, is equipped with the amesdial branch that length is 45mm in the amesdial column
Frame, the range of the amesdial are 0 ~ 50mm, precision 1mm.
Innovation of the invention is: can more accurately control load using the load of numerical control hydraulic jack, and have
Machine glass outer cylinder two sides be equipped with, water supplying pipe, can also simulate swelled ground under the conditions of drying and watering cycle volume change rule.
The simple structure of experimental rig of the present invention, test apparatus is at low cost, convenient for disassembly and assembly, can reuse.The test
Device can not only simulate the volume change rule that swelled ground is influenced under the conditions of immersion by vertical load.Expansion can also be observed
Volume change rule of soil under the influence of drying and watering cycle.Loading device uses numerical control hydraulic jack, can efficiently control soil
The load being subject at the top of sample, sets that there are two grooves on pressurizing ball pedestal, can more accurately observe the change of the soil body in this way
Shape.
Detailed description of the invention
Fig. 1 is overall diagram of the present invention
Fig. 2 is experimental rig figure of the present invention
Fig. 3 is loading device figure of the present invention
Fig. 4 is measuring device figure of the present invention.
Specific embodiment
With reference to the accompanying drawing, be described in detail it is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig it is specific
Embodiment.
The device as shown in Figure 1 is divided into experimental rig, measuring device, loading device.Experimental rig is by two organic glasses
Cylinder and permeable stone composition；Loading device is made of numerical control hydraulic jack, pressurization ball seat, pressure rod, load column, top plate；It surveys
Amount device is made of amesdial, dial indicators rack and amesdial column.
Height 100mm, internal diameter 50mm, the wall thickness 5mm of organic glass inner cylinder as shown in Figure 2, are equipped with 24 on inner cylinder side wall
A circular hole is uniformly distributed as 4 rows, and the diameter of circular hole is 6mm, and the height of organic glass outer cylinder is 120mm, internal diameter 100mm, wall thickness
20mm.The internal diameter 10mm of described device outlet pipe, water supplying pipe, length 30mm are placed with one piece below organic glass inner cylinder
Permeable stone.
If Fig. 3 is loading device, loading device is by numerical control hydraulic jack, pressurization ball seat, pressure rod, load column, top
Board group is at pressure rod is connected with pressurization ball seat, thereon symmetrical long 20mm, the groove of wide 6mm, pressure rod and numerical control oil pressure thousand
Jin top telescopic rod is connected by screw, and bottom plate is long 300mm, wide 300mm, and the steel plate of thick 10mm has on bottom plate four loads vertical
Column, the height for loading column is 180mm.
If Fig. 4 is measuring device, dial indicators rack length is 45mm, and dial indicators rack one end is connected with amesdial column,
The other end is connected with amesdial, and amesdial range is 0~50mm, precision 0.01mm.
The present invention provide it is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig and its test method, test
Steps are as follows:
Step 1: getting out instrument, simultaneously whether inspection apparatus is intact available, and organic glass outer cylinder is fixed on bottom plate, will be permeable
Stone is placed among bottom plate, and then the organic glass inner cylinder equipped with soil sample to be measured is placed on permeable stone；
Step 2: pressurization ball seat is placed in organic glass inner cylinder at the top of the soil body to be measured, while by pressure rod and numerical control oil pressure thousand
Jin top telescopic rod bottom is connected, and adjusts the position of organic glass inner cylinder, guarantees pressure rod and pressurization ball seat center same vertical
On line；
Step 3: pressure rod and pressurizing ball seated connection is touched by numerical control hydraulic jack, the load of jack is made by station
Numerical value needed for value reaches test；
Step 4: opening water supplying pipe, filled the water into organic glass outer cylinder, closes and supply when the water surface reaches testing program designated position
Water pipe adjusts the position of dial indicators rack, contacts the free end end of amesdial and the groove for the ball seat that pressurizes and by amesdial
Pointer zeroing, the reading of amesdial is recorded according to testing program；
Step 5: if wanting to realize drying and watering cycle condition after the completion of step 4, outlet pipe only need to be opened, by organic glass outer cylinder
In water flow completely out, drying and watering cycle condition can be realized.
Claims (4)
1. expanding the experimental rig of the soil volume change under the conditions of a kind of measurement immersion, it is characterised in that: be arranged two on bottom plate (4)
A lucite cylinder, respectively organic glass outer cylinder (1) and inner cylinder (2) are equipped with outlet pipe in the bottom symmetrical of the outer cylinder (1)
(3) with water supplying pipe (4), the inner cylinder (2) is for loading test soil sample；The loading device is by numerical control hydraulic jack, pressurization
Bar (10), pressurization ball seat (6), load column (13) and top plate (15) composition；Wherein numerical control hydraulic jack includes telescopic rod bottom
Seat (11), telescopic rod (12), top cover (17), fuel tank (16), operation button (19) and display screen (18) composition；The bottom plate (14)
It is equipped with two amesdial columns (5) and four load columns (13)；On the amesdial column (5) of described device there are two dresses
Dial indicators rack (7), is respectively equipped with two amesdials (8) on two dial indicators racks (7), the free end of amesdial (8) with
Ball seat (6) upper two grooves that pressurize contact；Permeable stone (9) are equipped on the bottom plate (14).
2. the experimental rig of the soil volume change is expanded under the conditions of a kind of measurement immersion according to claim 1, it is characterised in that:
The height of organic glass inner cylinder (2) is 100mm, internal diameter 50mm, wall thickness 5mm, and inner cylinder (2) side wall is equipped with 24 circular holes,
It is uniformly distributed as 4 rows, the diameter of circular hole is 6mm, and the height of organic glass outer cylinder (1) is 120mm, internal diameter 100mm, wall thickness
20mm；The internal diameter 10mm of described device outlet pipe (4), water supplying pipe (3), length 30mm, bottom plate (4) be long 300mm, wide 300mm,
With a thickness of the steel plate of 10mm.
3. the experimental rig of the soil volume change is expanded under the conditions of a kind of measurement immersion according to claim 1, it is characterised in that:
The height of load column (13) is 300mm, and the length of pressure rod (10) is 50mm, and the diameter of pressurization ball seat (6) is 50mm,
It is symmetrical thereon that there are two long 20mm, the grooves of wide 6mm；Elongation range of the telescopic rod (12) from top plate (15) down
It is: 120 ~ 20mm, vertical load needed for test can be effectively provided；Top plate (15) be long 300mm, wide 300mm, with a thickness of
The steel plate of 10mm.
4. the experimental rig of the soil volume change is expanded under the conditions of a kind of measurement immersion according to claim 1, it is characterised in that:
The height of the amesdial column (5) is 180mm, is equipped with the dial indicators rack that length is 45mm, institute in the amesdial column
The range for stating amesdial (8) is 0 ~ 50mm, precision 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810709122.6A CN109100229A (en) | 2018-07-02 | 2018-07-02 | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810709122.6A CN109100229A (en) | 2018-07-02 | 2018-07-02 | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109100229A true CN109100229A (en) | 2018-12-28 |
Family
ID=64845404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810709122.6A Pending CN109100229A (en) | 2018-07-02 | 2018-07-02 | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109100229A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849233A (en) * | 2019-11-28 | 2020-02-28 | 中国计量科学研究院 | Online measurement method for effective volume of piston cylinder of piston type gas flow standard device |
| CN112577898A (en) * | 2020-11-23 | 2021-03-30 | 中建商品混凝土有限公司 | Lightweight aggregate pressure water absorption ratio testing device and method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721618A (en) * | 2012-06-06 | 2012-10-10 | 中国科学院地质与地球物理研究所 | Uniaxial compression creep test method for saturated and unsaturated rock-soil body |
| CN103323576A (en) * | 2013-06-09 | 2013-09-25 | 河海大学 | True three-dimensional swell-shrink instrument |
| CN103675231A (en) * | 2013-11-22 | 2014-03-26 | 长沙理工大学 | Soil layer settlement tester and testing method thereof |
| CN203630131U (en) * | 2013-11-22 | 2014-06-04 | 长沙理工大学 | Soil layer settlement tester |
| CN204649237U (en) * | 2015-05-19 | 2015-09-16 | 兰州交通大学 | Swelled ground infiltration, expansion, loading, consolidation testing device |
| CN104990795A (en) * | 2015-07-13 | 2015-10-21 | 三峡大学 | A testing apparatus for rock and soil sample accelerated dry-wet cycle under load and test method thereof |
| CN205383980U (en) * | 2016-03-10 | 2016-07-13 | 中国路桥工程有限责任公司 | Measure test device of soil sample dry -wet cycle breathing deflection |
| CN106645649A (en) * | 2017-02-17 | 2017-05-10 | 长沙理工大学 | Test apparatus for measuring volume change of carbon mudstone in disintegration process and test method of test apparatus |
| CN106680463A (en) * | 2017-01-19 | 2017-05-17 | 南京工程学院 | True 3D swelling-shrinking instrument capable of calculating swelling-shrinking deformation of soil sample on basis of water volume change |
| CN206208628U (en) * | 2016-12-09 | 2017-05-31 | 安徽理工大学 | A kind of bentonite consolidation device of Anti-inclining |
| CN206431131U (en) * | 2017-02-17 | 2017-08-22 | 长沙理工大学 | A kind of experimental rig for measuring Volume Changes in charcoal mudrock disintegrating procedue |
| CN208254963U (en) * | 2018-03-14 | 2018-12-18 | 长沙理工大学 | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig |
-
2018
- 2018-07-02 CN CN201810709122.6A patent/CN109100229A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721618A (en) * | 2012-06-06 | 2012-10-10 | 中国科学院地质与地球物理研究所 | Uniaxial compression creep test method for saturated and unsaturated rock-soil body |
| CN103323576A (en) * | 2013-06-09 | 2013-09-25 | 河海大学 | True three-dimensional swell-shrink instrument |
| CN103675231A (en) * | 2013-11-22 | 2014-03-26 | 长沙理工大学 | Soil layer settlement tester and testing method thereof |
| CN203630131U (en) * | 2013-11-22 | 2014-06-04 | 长沙理工大学 | Soil layer settlement tester |
| CN204649237U (en) * | 2015-05-19 | 2015-09-16 | 兰州交通大学 | Swelled ground infiltration, expansion, loading, consolidation testing device |
| CN104990795A (en) * | 2015-07-13 | 2015-10-21 | 三峡大学 | A testing apparatus for rock and soil sample accelerated dry-wet cycle under load and test method thereof |
| CN205383980U (en) * | 2016-03-10 | 2016-07-13 | 中国路桥工程有限责任公司 | Measure test device of soil sample dry -wet cycle breathing deflection |
| CN206208628U (en) * | 2016-12-09 | 2017-05-31 | 安徽理工大学 | A kind of bentonite consolidation device of Anti-inclining |
| CN106680463A (en) * | 2017-01-19 | 2017-05-17 | 南京工程学院 | True 3D swelling-shrinking instrument capable of calculating swelling-shrinking deformation of soil sample on basis of water volume change |
| CN106645649A (en) * | 2017-02-17 | 2017-05-10 | 长沙理工大学 | Test apparatus for measuring volume change of carbon mudstone in disintegration process and test method of test apparatus |
| CN206431131U (en) * | 2017-02-17 | 2017-08-22 | 长沙理工大学 | A kind of experimental rig for measuring Volume Changes in charcoal mudrock disintegrating procedue |
| CN208254963U (en) * | 2018-03-14 | 2018-12-18 | 长沙理工大学 | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig |
Non-Patent Citations (1)
| Title |
|---|
| 陈开圣;李振;: "干湿循环与荷载耦合作用下红黏土胀缩特性", 建筑科学与工程学报, no. 03 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849233A (en) * | 2019-11-28 | 2020-02-28 | 中国计量科学研究院 | Online measurement method for effective volume of piston cylinder of piston type gas flow standard device |
| CN112577898A (en) * | 2020-11-23 | 2021-03-30 | 中建商品混凝土有限公司 | Lightweight aggregate pressure water absorption ratio testing device and method |
| CN112577898B (en) * | 2020-11-23 | 2023-05-30 | 中建商品混凝土有限公司 | Device and method for testing pressure water absorption ratio of lightweight aggregate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208254963U (en) | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig | |
| CN105571758B (en) | The dilatometer of constant volume method measurement expansive force | |
| CN103868799B (en) | Rock mechanical characteristic analyzer for non-conventional oil-gas reservoir stratum | |
| CN103675231B (en) | Soil layer settlement tester and testing method thereof | |
| CN103323576B (en) | True three-dimensional swell-shrink instrument | |
| CN205209677U (en) | Dilatometer of bulging force is measured to permanent volumetric method | |
| CN106092849B (en) | A kind of sand-pebble layer earth pressure balanced shield, EPBS driving anti-gush experimental provision and method | |
| CN202126369U (en) | Sample preparation instrument of sand triaxial test | |
| CN204758406U (en) | Consider rock expansion pressure test appearance of drying and watering cycle effect | |
| CN104749081A (en) | Device and method for testing water pressure transmission rule of low-permeability soil body | |
| CN101865813B (en) | Permeability coefficient determinator for geosynthetic clay liner (GCL) | |
| CN111796074A (en) | Device capable of testing multidirectional deformation and expansive force of expansive soil | |
| CN109100229A (en) | It is a kind of measurement immersion under the conditions of expand the soil volume change experimental rig | |
| CN105181468A (en) | Rock expansion pressure test instrument considering dry-wet circulation effect | |
| CN106645649A (en) | Test apparatus for measuring volume change of carbon mudstone in disintegration process and test method of test apparatus | |
| CN104020092A (en) | Consolidation pore water pressure combined test device and method | |
| CN105486843A (en) | Soil body permeation-adsorption tester and testing method thereof | |
| CN204694602U (en) | A kind of measurement capillary soil water climbing height test unit | |
| CN212459689U (en) | Device capable of testing multidirectional deformation and expansive force of expansive soil | |
| CN203630131U (en) | Soil layer settlement tester | |
| CN112630121B (en) | Device and method for testing permeability of fractured surrounding rock of deep chamber under stress action | |
| CN107807219B (en) | Rock core hydration expansion analyzer | |
| CN203349782U (en) | Intelligent normal temperature and pressure mud shale expansion amount tester | |
| CN208206743U (en) | Karst collapse col umn visualizes seepage flow test device | |
| CN111208040A (en) | Boneless slurry pipeline fluidity test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181228 |