CN107966374A - A kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading - Google Patents
A kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading Download PDFInfo
- Publication number
- CN107966374A CN107966374A CN201610912213.0A CN201610912213A CN107966374A CN 107966374 A CN107966374 A CN 107966374A CN 201610912213 A CN201610912213 A CN 201610912213A CN 107966374 A CN107966374 A CN 107966374A
- Authority
- CN
- China
- Prior art keywords
- fissuted medium
- infiltration
- fissuted
- medium
- pressure
- 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
- 238000009715 pressure infiltration Methods 0.000 title claims abstract description 13
- 238000001764 infiltration Methods 0.000 claims abstract description 24
- 230000008595 infiltration Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000011888 foil Substances 0.000 claims abstract description 11
- 238000009527 percussion Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
-
- 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
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
-
- 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
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to test device technical field, and in particular to a kind of to realize the test device for being used for fissuted medium dynamic pressure infiltration hydraulic pressure combination loading for combining the Accurate Determining loaded under mechanical state with infiltration hydraulic pressure in dynamic pressure to fissuted medium；Including incident bar (1), transmission bar (2), fissuted medium (3), foil gauge (4), percussion mechanism (5), bullet (6), buffer unit (7), connecting line (8) and infiltration pressure device (9)；Fissuted medium (3) is equipped between the incident bar (1) and transmission bar (2), described two foil gauges (4) are respectively arranged on incident bar (1) and transmission bar (2), two foil gauges (4) are equal apart from the distance of fissuted medium (3), and the other end of the transmission bar (2) is equipped with buffer unit (7)；One end of connecting line (8) is connected with fissuted medium (3), and the other end is connected with infiltration pressure device (9).
Description
Technical field
The invention belongs to test device technical field, and in particular to one kind is used for fissuted medium dynamic pressure-infiltration hydraulic pressure combination
The test device of loading.
Background technology
The security control that physical mechanics of the fissuted medium material under dynamic action is responded for engineering has important meaning
Justice, whether determining the stabilization of field engineering.Particularly mechanical response of the fissuted medium under multi- scenarios method state is even more important,
It can more reflect the virtual condition of engineering.So-called multi- scenarios method, refers to the different outfields such as temperature field-seepage field-stress field；Crack
For medium under the couple state of different fields, mechanical behavior is increasingly complex, Accurate Determining need to be carried out in laboratory, so as to obtain crack
The mechanical response of medium.The present apparatus is directed to fissuted medium under dynamic impulsion loading, and the work under infiltration hydraulic pressure coupling
Condition, have developed this equipment.It can be obtained under its dynamic load-infiltration hydraulic pressure coupling loading by implementing directly to test to fissuted medium
Mechanical characteristic.The test device is particularly suitable for the quasi- brittleness medium such as rock, concrete.
The device of fissuted medium dynamic mechanical test is currently used for, its object measured is complete medium, with water
Press the device being coupled is enforceable to be subject to Water hydraulic static pressure loading for complete medium surface.And actual fissuted medium, it is particularly rock, mixes
The media such as solidifying soil, it is more the infiltration hydraulic pressure effect being subject in crack, and therefore, this test device can preferably simulate crack
The mechanical characteristic of medium, its mechanical test result measured can more accurately reflect the mechanical characteristic of fissuted medium.
The content of the invention
The purpose of the present invention, in view of the shortcomings of the prior art, providing a kind of realize to fissuted medium in dynamic pressure and infiltration hydraulic pressure
A kind of test dress for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading of Accurate Determining under combination loading mechanical state
Put.
The technical scheme is that：
A kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading, it is characterised in that：Including incidence
Bar, transmission bar, fissuted medium, foil gauge, percussion mechanism, bullet, buffer unit, connecting line and infiltration pressure device；It is described enter
Penetrate and fissuted medium is equipped between bar and transmission bar, described two foil gauges are respectively arranged on incident bar and transmission bar, two strains
Piece is equal apart from the distance of fissuted medium, and the other end of the transmission bar is equipped with buffer unit；One end and crack of connecting line
Medium is connected, and the other end is connected with infiltration pressure device.
Permeated in the fissuted medium upper surface arrangement under increased pressure board, lower surface arrangement and permeate increased pressure board.
The fissuted medium is internally provided with prefabricated left passage and prefabricated right passage.
The beneficial effects of the invention are as follows：
1., can mould using a kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading of the present invention
Intend fissuted medium in dynamic impulsion and the true stressing conditions under infiltration hydraulic pressure coupling；
2. using a kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading of the present invention, can make
The dynamic pressure of fissuted medium-infiltration hydraulic pressure coupling loading measure is achieved；
3. by computerized control system, it can obtain in loading procedure, the mechanics fundamental characteristics parameter of the fissuted medium；
4. a kind of fissuted medium dynamic pressure-infiltration hydraulic pressure that is used for of the present invention combines the test device loaded the not only side of operation
Just it is convenient, to measure, and measurement result is accurately and reliably.
5. a kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading of the present invention, is particularly suitable for
Tested in the permeance property of rock, coagulation great soil group quasi-brittle material.
Brief description of the drawings
Fig. 1 is a kind of test device structure chart for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading；
Fig. 2 is fissuted medium schematic diagram.
Embodiment
A kind of combined for fissuted medium dynamic pressure-infiltration hydraulic pressure proposed by the present invention is added with embodiment below in conjunction with the accompanying drawings
The test device of load is further introduced：
Including incident bar 1, transmission bar 2, fissuted medium 3, foil gauge 4, percussion mechanism 5, bullet 6, buffer unit 7, connection
Pipeline 8 and infiltration pressure device 9；Fissuted medium 3 is equipped between the incident bar 1 and transmission bar 2, described two foil gauges 4 are distinguished
On incident bar 1 and transmission bar 2, two foil gauges 4 are equal apart from the distance of fissuted medium 3, the other end of the transmission bar 2
Equipped with buffer unit 7；One end of connecting line 8 is connected with fissuted medium 3, and the other end is connected with infiltration pressure device 9.
Permeated in 3 upper surface of the fissuted medium arrangement and increased pressure board 11 is permeated under increased pressure board 10, lower surface arrangement.
The fissuted medium 3 is internally provided with prefabricated left passage 12 and prefabricated right passage 13.
Described device incident bar 1, transmission bar 2, percussion mechanism 5, buffer unit 7 are by identical high density stainless steel
Prepare.
The incident bar 1, transmission bar 2 are same diameter cylindrical type rod piece.
The fissuted medium 3 is collar plate shape test specimen, and diameter is identical with incident bar 1, transmission bar 2.
The fissuted medium 3 implements portion including seepage flow current by internal prefabricated left passage 12 and prefabricated right passage 13
Flowing, the problem that complete medium seepage flow current are difficult to interpenetrate, connect can be solved.
Permeated in the upper surface arrangement of the fissuted medium 3 and increased pressure board 11 is permeated under increased pressure board 10, lower surface arrangement, can be right
Fissuted medium implements loading and the measure of infiltration hydraulic pressure.
Prefabricated two seepage channels inside fissuted medium, are respectively prefabricated left passage and prefabricated right passage, on fissuted medium,
Lower surface has installed upper infiltration increased pressure board and lower infiltration increased pressure board additional respectively.Wherein upper infiltration increased pressure board is used for prefabricated left channel interior
The pressure control and measurement of seepage flow current, lower infiltration increased pressure board are used for the pressure control of prefabricated right channel interior seepage flow current and survey
Amount.
Fissuted medium 3 is placed between incident bar 1 and transmission bar 2；Controlled by computer, start percussion mechanism 5, transmitting
Bullet 6, implements dynamic pressurized impact to incident bar 1.Meanwhile start infiltration pressue device 9, implement infiltration hydraulic pressure to fissuted medium 3
Loading.
The strain sheet data and infiltration Water hydraulic static pressure loading data obtained by computer system, can obtain the dynamic of fissuted medium
The test parameters such as surge and infiltration hydraulic pressure.
Claims (3)
- A kind of 1. test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading, it is characterised in that：Including incident bar (1), transmission bar (2), fissuted medium (3), foil gauge (4), percussion mechanism (5), bullet (6), buffer unit (7), connecting line (8) and infiltration pressure device (9)；Fissuted medium (3), described two foil gauges are equipped between the incident bar (1) and transmission bar (2) (4) it is respectively arranged on incident bar (1) and transmission bar (2), two foil gauges (4) are equal apart from the distance of fissuted medium (3), described The other end of transmission bar (2) is equipped with buffer unit (7)；One end of connecting line (8) is connected with fissuted medium (3), the other end It is connected with infiltration pressure device (9).
- It is 2. as claimed in claim 1 a kind of, it is characterised in that：Increased pressure board is permeated in fissuted medium (3) the upper surface arrangement (10), increased pressure board (11) is permeated under lower surface arrangement.
- It is 3. as claimed in claim 1 a kind of, it is characterised in that：The fissuted medium (3) is internally provided with prefabricated left passage (12) With prefabricated right passage (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912213.0A CN107966374A (en) | 2016-10-19 | 2016-10-19 | A kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912213.0A CN107966374A (en) | 2016-10-19 | 2016-10-19 | A kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966374A true CN107966374A (en) | 2018-04-27 |
Family
ID=61996367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610912213.0A Pending CN107966374A (en) | 2016-10-19 | 2016-10-19 | A kind of test device for fissuted medium dynamic pressure-infiltration hydraulic pressure combination loading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092059A (en) * | 2021-03-26 | 2021-07-09 | 武汉大学 | Device and method for rock fracture erosion-two-phase flow coupling experiment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849583A1 (en) * | 1996-12-12 | 1998-06-24 | European Community | Split Hopkinson bar testing apparatus |
| CN1731133A (en) * | 2005-08-18 | 2006-02-08 | 中南大学 | Dynamic and static combined rock loading experiment method and apparatus |
| CN102169069A (en) * | 2011-05-30 | 2011-08-31 | 浣石 | Three-dimensional impact loading experiment device |
| CN102661894A (en) * | 2012-05-17 | 2012-09-12 | 四川大学 | Jointed rock mass test piece and jointed rock mass and aqueous rock coupling test method |
| CN102778387A (en) * | 2012-08-10 | 2012-11-14 | 湖南科技大学 | Testing device and testing method for rock cracked through coupling of dynamic static load and water pressure |
| CN202693419U (en) * | 2012-08-10 | 2013-01-23 | 湖南科技大学 | Multi-load coupling rock breaking device |
| CN103994957A (en) * | 2013-02-20 | 2014-08-20 | 核工业北京地质研究院 | Test device for determining permeability of large-scale single fracture medium under normal stress |
| CN104316447A (en) * | 2014-10-28 | 2015-01-28 | 中国矿业大学 | Fractured rock mass stress and seepage coupled testing system and method |
| CN104833599A (en) * | 2015-05-11 | 2015-08-12 | 河海大学 | Testing device and quantitative description method for measuring concrete damage evolution law |
-
2016
- 2016-10-19 CN CN201610912213.0A patent/CN107966374A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849583A1 (en) * | 1996-12-12 | 1998-06-24 | European Community | Split Hopkinson bar testing apparatus |
| CN1731133A (en) * | 2005-08-18 | 2006-02-08 | 中南大学 | Dynamic and static combined rock loading experiment method and apparatus |
| CN102169069A (en) * | 2011-05-30 | 2011-08-31 | 浣石 | Three-dimensional impact loading experiment device |
| CN102661894A (en) * | 2012-05-17 | 2012-09-12 | 四川大学 | Jointed rock mass test piece and jointed rock mass and aqueous rock coupling test method |
| CN102778387A (en) * | 2012-08-10 | 2012-11-14 | 湖南科技大学 | Testing device and testing method for rock cracked through coupling of dynamic static load and water pressure |
| CN202693419U (en) * | 2012-08-10 | 2013-01-23 | 湖南科技大学 | Multi-load coupling rock breaking device |
| CN103994957A (en) * | 2013-02-20 | 2014-08-20 | 核工业北京地质研究院 | Test device for determining permeability of large-scale single fracture medium under normal stress |
| CN104316447A (en) * | 2014-10-28 | 2015-01-28 | 中国矿业大学 | Fractured rock mass stress and seepage coupled testing system and method |
| CN104833599A (en) * | 2015-05-11 | 2015-08-12 | 河海大学 | Testing device and quantitative description method for measuring concrete damage evolution law |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092059A (en) * | 2021-03-26 | 2021-07-09 | 武汉大学 | Device and method for rock fracture erosion-two-phase flow coupling experiment |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180427 |