CN108152141A - A kind of rock mechanics true triaxial experimental provision - Google Patents
A kind of rock mechanics true triaxial experimental provision Download PDFInfo
- Publication number
- CN108152141A CN108152141A CN201711353276.8A CN201711353276A CN108152141A CN 108152141 A CN108152141 A CN 108152141A CN 201711353276 A CN201711353276 A CN 201711353276A CN 108152141 A CN108152141 A CN 108152141A
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- Prior art keywords
- storehouse
- loading
- axial force
- rock
- load ports
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- 239000011435 rock Substances 0.000 title claims abstract description 25
- 238000011068 loading method Methods 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 9
- 239000004519 grease Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material 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
- G01N3/08—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
- 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
- G01N2203/003—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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
Landscapes
- 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)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to experiment of machanics apparatus fields, it is desirable to provide a kind of rock mechanics true triaxial experimental provision.Including the hollow loading storehouse being fixed in mounting bracket, sample piece clamp component and spreader assembly；It is set on loading storehouse there are three axial force load ports, each axial force load ports and the line of centres in loading storehouse form orthogonal X/Y/Z axis two-by-two；Rock exemplar entrance is equipped on another horizontal direction side；Three axial force load ports are fixedly mounted by flange connection there are one loading hydraulic cylinder, and rock exemplar entrance is fixedly mounted by flange connection and covered；Loading dress inside storehouse, there are one telescopic rails, load and camera shooting observation window, grease interface and cable interface are opened up on the side wall in storehouse.The device has preferable anti-pressure ability, can adapt to harsh experimental situation, and mechanical meaurement range is extended and tested type and increases considerably.A variety of specimen sizes are applicable to, the versatility of experimental rig is greatly improved, greatly reduces experimentation cost.
Description
Technical field
The present invention relates to a kind of rock mechanics true triaxial experimental provisions, belong to experiment of machanics apparatus field.
Background technology
Rock true triaxial experimental provision of the prior art because the dimensions of exemplar is various, leads to single exemplar specification
A kind of experimental facilities can only be corresponded to, versatility is poor, causes the waste of resource.In addition most rock true triaxial experimental provisions
The process of observation experiment is unable to, some test effect precision are low, experimentation obscures.
Invention content
The technical problem to be solved by the present invention is to overcome deficiency of the prior art, provide a kind of rock mechanics true triaxial
Experimental provision.
To solve technical problem, solution of the invention is：
A kind of rock mechanics true triaxial experimental provision is provided, including the hollow loading storehouse being fixed in mounting bracket；The dress
It puts and further includes sample piece clamp component and spreader assembly；It is respectively equipped in the top-side in loading storehouse and two horizontal direction sides
One axial force load ports, each axial force load ports and the line of centres in loading storehouse form orthogonal X-axis, Y-axis and Z two-by-two
Axis；On the side opposite with the axial force load ports of one of horizontal direction, equipped with rock exemplar entrance；Three axial forces
Load ports are fixedly mounted by flange connection there are one loading hydraulic cylinder, and rock exemplar entrance passes through flange connection
Capping is fixedly mounted；Loading dress inside storehouse, there are one telescopic rails, load and camera shooting observation window, grease interface are opened up on the side wall in storehouse
And cable interface；
The sample piece clamp component includes the stress cushion pad and two rolling fixtures of a rectangular plate-like, rolls fixture and leads to
The fixture bearing block for crossing its both ends is movably arranged on two ends of stress cushion pad upper surface；In the side pair of stress cushion pad
It is withheld for two pairs to arrangement, withholds vertical through holes of the setting for installation bolt；The telescopic rail is equipped with to be buffered with stress
The installation position that pad shape matches, and position restriction is realized by the limited block of stress cushion pad bottom；
The spreader assembly includes two vertical lifting supporting racks and the fixed guide rail loaded on lifting supporting rack；Track
Crane includes a mast-up, and the top of mast-up sets the turning rolls for installing idler wheel, and gantry crane is mounted in by idler wheel
On guide rail；The bottom dress of mast-up has wound steel wire rope there are two roller on roller；Two ends of steel wire rope are respectively fixedly connected
One on stress cushion pad with withholding corresponding fixing bolt.
In the present invention, the loading hydraulic cylinder is a times cylinder pressure, is divided into cylinder and hydraulic cylinder two parts；Wherein, hydraulic cylinder
Oil piping system in accumulator is set.
In the present invention, the main body in the loading storehouse is cylindrical, and both ends are spherical in shape；It loads storehouse and includes Nei Cang and two, outer storehouse
Housing shape structure, interior storehouse is by sealing member sheathing in outer storehouse.
In the present invention, the loading hydraulic cylinder is fixedly mounted on stressed plate.
In the present invention, the loading storehouse is fixed on bottom plate, and bottom plate is welded in mounting bracket.
In the present invention, strain gauge and piezoelectric ceramic piece for being mounted in exemplar are further included and mounted on adding
Temperature inductor, the resistance measurement electrode in storehouse are carried, each measurement device is connected to the computer of console by cable.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, warehouse of the invention is designed as tubular, has preferable anti-pressure ability, and axial test force can reach 8000KN,
In the case where installing cycle heat-insulation system additional, experimental period was up to 3 months or more.
2nd, observation window is devised in warehouse, experimenter is enable intuitively to observe whole experiment process, for rock
Entire mechanical characteristic has more intuitive and science understanding.
3rd, the device can adapt to harsh experimental situation, and mechanical meaurement range is extended and tested type significantly
Increase.
4th, the selection of the sample piece clamp component by using hanging apparatus and to different clamp distances, is applicable to a variety of
Specimen size greatly improves the versatility of experimental rig, greatly reduces experimentation cost.
Description of the drawings
Fig. 1 is the installation diagram of rock true triaxial dynamics experimental device in the present invention；
Fig. 2 is hanging apparatus structure diagram；
Fig. 3 is chamber structure schematic diagram in loading storehouse；
Fig. 4 is chamber structure schematic diagram outside loading storehouse；
Fig. 5 is sample piece clamp component drawings；
Fig. 6 is spreader assembly installation diagram.
Reference numeral in figure：1 mounting bracket；2 axial force load ports (Y-axis)；3 loading hydraulic cylinders；4 axial force load ports (Z
Axis)；5 axial force load ports (X-axis)；6 stressed plates；7 camera shooting observation windows；8 grease interfaces；9 bottom plates；10 loading storehouses；11 cables connect
Mouthful；12 rock exemplar entrances；13 sample piece clamp components；14 guide rails；15 lifting supporting racks；16 gantry cranes；
Load storehouse component：Storehouse in 10-1；The outer storehouses of 10-2；2-1 corresponds to the trepanning (Y-axis) of axial force load ports；4-1 respective shafts
Trepanning (Z axis) to power load ports；5-1 corresponds to the trepanning (X-axis) of axial force load ports；7-1 corresponds to the trepanning of camera shooting observation window；
12-1 corresponds to the trepanning of rock exemplar entrance；
Sample piece clamp component：13-1 exemplars；13-2 stress cushion pads；13-3 rolls fixture；13-4 fixture bearing blocks；13-5
It withholds；13-6 is limited block；
Spreader assembly：14-1 idler wheels；14-2 turning rolls；14-3 steel wire ropes；14-4 rollers；14-5 mast-ups.
Specific implementation method
The invention will be further described with reference to the accompanying drawings and embodiments.
Rock mechanics true triaxial experimental provision includes hollow loading storehouse 10, and the cylindrical both ends of main body are spherical in shape；Add
It carries storehouse 10 to be fixed on bottom plate 9, bottom plate 9 is welded in mounting bracket 1.It loads storehouse 10 and includes interior storehouse 10-1 and outer storehouse 10-2 two
Housing shape structure, interior storehouse 10-1 is by sealing member sheathing in outer storehouse 10-2.Top-side and two levels in loading storehouse 10
An axial force load ports, i.e. (Y-axis) axial force load ports 2,4 He of (Z axis) axial force load ports are respectively equipped on the side of direction
(X-axis) axial force load ports 5.Each axial force load ports and the line of centres in loading storehouse 10 form orthogonal X-axis, Y two-by-two
Axis and Z axis.On the side opposite with (X-axis) axial force load ports 5, equipped with rock exemplar entrance 12；Three axial force loadings
Mouth is fixedly mounted by flange connection there are one loading hydraulic cylinder 3, and loading hydraulic cylinder 3 is fixedly mounted on stressed plate
On.Loading hydraulic cylinder 3 is a times cylinder pressure, is divided into cylinder and hydraulic cylinder two parts；Wherein, storage is set in the oil piping system of hydraulic cylinder
It can device.
Rock exemplar entrance 12 is fixedly mounted by flange connection and covered；10 inside dress of loading storehouse is led there are one flexible
Rail loads and camera shooting observation window 7, grease interface 8 and cable interface 11 is opened up on the side wall in storehouse 10；Purpose is measured to realize, in rock
Strain gauge and piezoelectric ceramic piece are mounted in stone exemplar 13-1, are mounted with that temperature inductor, resistance are surveyed in loading storehouse 10
Electrode is measured, each measurement device is connected to the computer of console by cable.
The device further includes sample piece clamp component and spreader assembly, wherein：Sample piece clamp component includes a rectangular plate-like
Stress cushion pad 13-2 and two rolling fixture 13-3, roll fixture 13-3 and pass through the fixture bearing block 13-4 at its both ends activity
Mounted on two ends of stress cushion pad 13-2 upper surfaces；Two pairs are arranged in the side opposite direction of stress cushion pad 13-2 to withhold
13-5 withholds the vertical through holes that setting on 13-5 is used for installation bolt；The telescopic rail is equipped with and stress cushion pad 13-2
The installation position that shape matches, and position restriction is realized by the limited block 13-6 of stress cushion pad 13-2 bottoms；Spreader assembly packet
Include two vertical lifting supporting racks 15 and the fixed guide rail 14 loaded on lifting supporting rack；Gantry crane 16 includes a lifting
For installing the turning rolls 14-2 of idler wheel 14-1, gantry crane 16 passes through idler wheel 14-1 for setting at the top of frame 14-5, mast-up 14-5
On guide rail 14；The bottom dress of mast-up 14-5 has wound steel wire rope 14-3 there are two roller 14-4 on roller 14-4；Steel wire
Two ends of rope 14-3 are respectively fixedly connected with a fixing bolt, for corresponding installation to withholding on stress cushion pad 13-2
In 13-5 vertical through holes.
Further description：
It loads in storehouse 10, interior storehouse 10-1 is made of high-voltage-resistant anti-corrosion alloy, using sealing member sheathing in outer storehouse 10-2
Interior, the structure design in inside and outside storehouse is for playing heat-blocking action.Loading hydraulic cylinder 3 passes through tri- axis axial force load ports of X/Y/Z
Realize dynamic loading and quiet loading.Multiple cable interfaces 11 are provided on outer storehouse 10-2, to prevent the transmission between sensor signal lines
Signal interference.When carrying out confining pressure and Seepage Experiment, oil and clear water are pressurizeed and are recycled heat preservation by grease interface 8.Carry out
During experiment, by the situation of 7 observation experiment of camera observation window, camera observation window 7 is made of high pressure resistant glass, in 0-
Observing effect is best at 120 DEG C, minimum in influence of the temperature range heat preservation oil to glass.
The application method explanation of device：
First, telescopic rail from interior storehouse 10-1 is pulled out, its installation position is made to stretch out in the outside of rock exemplar entrance 12；
Exemplar 13-1 is loaded on stress cushion pad 13-2 using other suspenders, since the effect of exemplar 13-1 its own gravities makes rolling
Fixture 13-3 is rotated, and is blocked and is fixed exemplar 13-1.Exemplar 13-1 can discharge Z axis loading direction by stress cushion pad 13-2
Kinetic energy.
Spreader assembly is moved on stress cushion pad 13-2, corresponds the fixing bolt of installation steel wire rope 14-3 ends
To withholding in 13-5.Then starting motor makes roller 14-4 roll steel wire rope 14-3, slings the stress buffering equipped with sample 13-1
Pad 13-2.Moving track crane 16 makes stress cushion pad 13-2 be displaced to the installation position on telescopic rail, and starting motor makes roller
14-4 puts down steel wire rope 14-3, stress cushion pad 13-2 is made to fall into installation position, and realized accurately by the limited block 13-6 of its bottom
Positioning.Make exemplar 13-1 when being loaded into telescopic rail in loading storehouse 10, geometric center and the loading storehouse 10 of exemplar 13-1
Geometric center (i.e. the crosspoint of X/Y/Z axis) overlaps, and ensure that the accuracy of experimental data.Then existed by flange connection
Capping is fixedly mounted in rock exemplar entrance 12, needs to inject oil or clear water to loading storehouse 10 by grease interface 8 further according to experiment.
During experiment, which is loaded as triangular load：Surge pressure=0~50Mpa, boosting examination
Part tr=2~15ms, positive pressure time t+=3t.Whole system measuring accuracy is high, and test scope is big, and test function can be realized various
Change.
Claims (6)
1. a kind of rock mechanics true triaxial experimental provision, including the hollow loading storehouse being fixed in mounting bracket；It is characterized in that,
The device further includes sample piece clamp component and spreader assembly；In the top-side in loading storehouse and two horizontal direction sides respectively
If there are one axial force load ports, each axial force load ports and the line of centres in loading storehouse form orthogonal X-axis, Y two-by-two
Axis and Z axis；On the side opposite with the axial force load ports of one of horizontal direction, equipped with rock exemplar entrance；Three
Axial force load ports are fixedly mounted by flange connection there are one loading hydraulic cylinder, and rock exemplar entrance is connected by flange
Capping is fixedly mounted in the mode of connecing；Loading dress inside storehouse, there are one telescopic rails, load and camera shooting observation window, oil are opened up on the side wall in storehouse
Water interface and cable interface；
The sample piece clamp component includes the stress cushion pad and two rolling fixtures of a rectangular plate-like, rolls fixture and passes through it
The fixture bearing block at both ends is movably arranged on two ends of stress cushion pad upper surface；In the side opposite direction cloth of stress cushion pad
It puts two pairs to withhold, withholds vertical through holes of the setting for installation bolt；The telescopic rail be equipped with outside stress cushion pad
The installation position that shape matches, and position restriction is realized by the limited block of stress cushion pad bottom；
The spreader assembly includes two vertical lifting supporting racks and the fixed guide rail loaded on lifting supporting rack；Gantry crane
Including a mast-up, the top of mast-up sets the turning rolls for installing idler wheel, and gantry crane is mounted in guide rail by idler wheel
On；The bottom dress of mast-up has wound steel wire rope there are two roller on roller；Two ends of steel wire rope are respectively fixedly connected with one
With withholding corresponding fixing bolt on stress cushion pad.
2. the apparatus according to claim 1, which is characterized in that the loading hydraulic cylinder is a times cylinder pressure, be divided into cylinder and
Hydraulic cylinder two parts；Wherein, accumulator is set in the oil piping system of hydraulic cylinder.
3. the apparatus according to claim 1, which is characterized in that the main body in the loading storehouse is cylindrical, and both ends are spherical in shape；
It loads storehouse and includes Nei Cang and two, outer storehouse housing shape structure, interior storehouse is by sealing member sheathing in outer storehouse.
4. the apparatus according to claim 1, which is characterized in that the loading hydraulic cylinder is fixedly mounted on stressed plate.
5. according to the device described in Claims 1-4 any one, which is characterized in that the loading storehouse is fixed on bottom plate,
Bottom plate is welded in mounting bracket.
6. according to the device described in Claims 1-4 any one, which is characterized in that further include to be mounted in exemplar
Strain gauge and piezoelectric ceramic piece and mounted on loading storehouse in temperature inductor, resistance measurement electrode, each measuring appliance
Part is connected to the computer of console by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353276.8A CN108152141B (en) | 2017-12-15 | 2017-12-15 | Rock mechanics true triaxial experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353276.8A CN108152141B (en) | 2017-12-15 | 2017-12-15 | Rock mechanics true triaxial experimental apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108152141A true CN108152141A (en) | 2018-06-12 |
| CN108152141B CN108152141B (en) | 2024-02-09 |
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ID=62467247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711353276.8A Active CN108152141B (en) | 2017-12-15 | 2017-12-15 | Rock mechanics true triaxial experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108152141B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918284A (en) * | 2018-07-25 | 2018-11-30 | 重庆大学 | A kind of visualization true triaxial experimental provision |
| CN110672433A (en) * | 2019-08-27 | 2020-01-10 | 立方通达实业（天津）有限公司 | Can realize base of rock shearing seepage flow comprehensive simulation equipment of pressure release |
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| CN104897467A (en) * | 2015-07-01 | 2015-09-09 | 山东理工大学 | True-triaxial loading and unloading rock stress relaxation test device and test method |
| CN105464009A (en) * | 2016-01-13 | 2016-04-06 | 邓泽仲 | Device for rapidly replacing bridge and construction method thereof |
| CN105510069A (en) * | 2015-12-04 | 2016-04-20 | 山东大学 | Automatic true-triaxial intelligent assembling physical simulation test device system and test method |
| CN106644744A (en) * | 2017-03-16 | 2017-05-10 | 中国人民解放军理工大学 | Rock true triaxial test method capable of realizing external loading of test specimen |
| CN206327413U (en) * | 2016-12-30 | 2017-07-14 | 王威 | A kind of water conservancy construction haulage equipment |
| CN207623149U (en) * | 2017-12-15 | 2018-07-17 | 浙江大学自贡创新中心 | Rock mechanics true triaxial experimental provision |
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2017
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|---|---|---|---|---|
| CN104897467A (en) * | 2015-07-01 | 2015-09-09 | 山东理工大学 | True-triaxial loading and unloading rock stress relaxation test device and test method |
| CN105510069A (en) * | 2015-12-04 | 2016-04-20 | 山东大学 | Automatic true-triaxial intelligent assembling physical simulation test device system and test method |
| CN105464009A (en) * | 2016-01-13 | 2016-04-06 | 邓泽仲 | Device for rapidly replacing bridge and construction method thereof |
| CN206327413U (en) * | 2016-12-30 | 2017-07-14 | 王威 | A kind of water conservancy construction haulage equipment |
| CN106644744A (en) * | 2017-03-16 | 2017-05-10 | 中国人民解放军理工大学 | Rock true triaxial test method capable of realizing external loading of test specimen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918284A (en) * | 2018-07-25 | 2018-11-30 | 重庆大学 | A kind of visualization true triaxial experimental provision |
| CN110672433A (en) * | 2019-08-27 | 2020-01-10 | 立方通达实业（天津）有限公司 | Can realize base of rock shearing seepage flow comprehensive simulation equipment of pressure release |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108152141B (en) | 2024-02-09 |
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