CN2532476Y - Rock-soil mechanics microcosmic structure optics test system - Google Patents
Rock-soil mechanics microcosmic structure optics test system Download PDFInfo
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- CN2532476Y CN2532476Y CN02219334U CN02219334U CN2532476Y CN 2532476 Y CN2532476 Y CN 2532476Y CN 02219334 U CN02219334 U CN 02219334U CN 02219334 U CN02219334 U CN 02219334U CN 2532476 Y CN2532476 Y CN 2532476Y
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Abstract
The utility model relates to an optical testing system for soil and rock mechanics microstructure, including a triaxial loading apparatus, an image acquisition apparatus and an image processing unit. Wherein a loading frame of the triaxial loading apparatus is connected with a worm of a worm wheel; a hydrostatic loading cabin is arranged and a sample room is arranged in the hydrostatic loading cabin; a hydrostatic loading gasbag is arranged; the surface to be observed is a glass board,; axle load, the side compression and the displacement data are transmitted to the image processing unit and is processed through a computer; a triaxial displacement platform is constantly remained in settled observation, and the signal is transmitted to a monitor and is processed through a computer. The utility model solves the limitation that collection of a great deal of soil under various loads is required to produce costly soil thin section in the past and that observation can not be continually processed and bigger system error is existed. The utility model which has novel and simple structure, convenient operation, low cost and good effect deplores a new soil and rock testing mechanics method.
Description
Technical field
The utility model relates to a kind of test macro, particularly a kind of optic testing system of rock-soil mechanics micromechanism.
Background technology
Numerous and complex engineering characteristic and phenomenon that rock-soil material is showed under engineering-environment, all relevant with the form of its internal microstructure.Therefore, research and observation rock-soil material micromechanism just necessitate.At present, research and the observation to the ground microtexture has changed the quantitative test stage over to from qualitative analysis.To the ground microtexture is that textural element comprises grain size, shape, grain orientation, and pore size, shape, intergranular bind modes etc. carry out quantitative analysis.
Before the utility model is made, still press mercury, gas absorption etc. to comprise that with indirect means electric disperse method, perviousness method and sonic method etc. carry out to utilize direct approach to comprise to the research that the rock-soil mechanics microtexture changes.These methods all are the freeze-drying thin section of soil that utilizes microsurgical instrument to make under a certain loading status to the quantitative test of microtexture, obtain its micromechanism picture, utilize the quantitative information of the method acquisition micromechanism picture of Computer Image Processing again.Need through series of processes such as quick-frozen, vacuum evaporation, sections but thin section of soil is made, process complexity, loaded down with trivial details costs an arm and a leg; On the other hand, the making because thin section of soil fetches earth from the soil body under a constant load, therefore microstructure information that can not the soil body of Continuous Observation under different loads, satisfying this point just must fetch earth from the soil body under the different loads and make thin section of soil, cause the workload that fetches earth big, waste time and energy, a large amount of thin section of soil of making more make expense roll up, simultaneously because the height unevenness of rock-soil material, even from the soil body of close proximity, fetch earth, just there is very big-difference its micromechanism in itself, make the comparability of the microstructure information that obtains from each micromechanism picture obviously reduce, cause very big systematic error, exactly because also this reason, just can't obtain the practical distortion and the displacement information of soil body microscopic particles under load action, can only obtain the variation tendency of soil body micromechanism under different loads, can't on the basis of the true differentiation of soil body micromechanism, set up the stress model and the constitutive relation of soil particle from statistical information.
Summary of the invention
The purpose of this utility model just is to overcome above-mentioned defective, designs a kind ofly can observe soil body continually varying micromechanism system under different loading status.
The technical solution of the utility model: rock-soil mechanics micromechanism optic testing system, comprise image collecting device, image processing apparatus, image collecting device comprises monitor, the image collecting device signal exports image processing apparatus to, its major technique is characterised in that three chargers is set that it is observed face is transparent on the image collecting device observation position.
Its further technical characterictic is that three chargers are loading frames, the confined pressure load chamber is set in it, loading frame top connects worm and gear, the worm and gear lower end connects the axial compression loading head, the axial compression loading head is at the sample chamber of hollow in the confined pressure load chamber, at the whole inwall of confined pressure load chamber confined pressure is set and loads air bag, the inflation inlet outer with the confined pressure load chamber is connected.
Advantage of the present utility model and effect are owing to do not need to make thin section of soil, a large amount of expenses have been saved, again because the making thin section of soil that need in the different load soil bodys, not fetch earth, alleviated working strength, shortened the working time, can obtain same soil body sample continuously at different loads, true strain, the displacement information of microtexture under the different period, carry out quantitative test, and can realize the joint test of soil body micromechanism and load, the displacement of soil body microcosmic and macroscopical displacement, open up a kind of new method of ground test mechanics.The utility model is simple in structure,, easy to use, effective.
Description of drawings
Fig. 1-the utility model theory structure synoptic diagram.
Three charger front views among Fig. 2-Fig. 1.
Three charger vertical views among Fig. 3-Fig. 1.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, native system is made up of three chargers, image collecting device and image processing apparatus.Three chargers are loading frames 2, confined pressure load chamber 5 is set in it, loading frame 2 tops connect worm and gear 1, worm and gear 1 lower end connects axial compression loading head 4, coupling shaft jade between its two, axial translation sensor 3, be connected to the capture card 17 of image processing apparatus, axial compression loading head 4 is at the sample chamber 7 of hollow in the confined pressure load chamber 5, at confined pressure load chamber 5 whole inwalls confined pressure is set and loads air bag 13, confined pressure loads air bag 13 and is communicated with inflation inlet 14 on confined pressure load chamber 5 outer walls, a confined pressure sensor 6 is set on confined pressure load chamber 5 outer walls, connect confined pressure and load air bag 13, the other end is connected to the capture card 17 of image processing apparatus, and the section of confined pressure load chamber 5 can be that round opening also can be semicircle or large semi-circular etc.It in this example large semi-circular, it is observed face is transparent material, it is glass plate 15, tested object is that the soil body 16 is placed on 7 li of sample chambers, image collecting device comprises three-shaft displacement platform 8, long apart from microscope 9, ccd video camera 10 and monitor 12, three chargers are placed on the observation position of image collecting device, and three-shaft displacement platform 8 and three chargers are complementary; Image collecting device is connected to image processing apparatus with output, and image processing apparatus comprises image pick-up card 17 and computing machine 11.
During use, loading frame 2 and confined pressure load chamber 5 are placed on the horizontal level, its glass plate 15 one sides face image collecting device, with sample is that native plate 16 is placed in the sample chamber 7, with screw 18 glass plate 15 is fixed, sample chamber 7 is closed, it is downward to drive worm and gear 1, apply axle pressure by the soil body 16 in the sample chamber 7 of axial compression loading head 4 in confined pressure load chamber 5, axle pressure, displacement is by axial compression, axial translation sensor 3 transfers to the capture card 17 of image processing apparatus, load air bag 13 inflation pressurizations by inflation inlet 14 to the confined pressure of confined pressure load chamber 5 inwalls, confined pressure loads the soil body 16 of air bag 13 in sample chamber 7 and applies confined pressure, the confined pressure that the soil body 16 is observed on the section is provided by the counter-force of glass plate 15, and confined pressure sensor 6 transfers to load and displacement information the capture card 17 of image processing apparatus; Length in the image collecting device is fixed on the three-shaft displacement platform 8 apart from microscope 9, the section that is observed that faces confined pressure load chamber 5 is glass plate 15 one sides, then can observe after bringing into focus, long apart from connecing ccd video camera 10 behind the microscope 9, the microstructural image that photographs through ccd video camera 10 is transferred to the capture card 17 of monitor 12 and image processing apparatus frequently with optical cable respectively, observes, follows the tracks of object being observed by monitor 12; The computing machine 11 of image processing apparatus obtains capture card 17 and the information handled is converted into digital picture, utilize the special micromechanism process software of being worked out that loading procedure is regularly caught, deposited automatically microstructural image on request, on request resulting microstructural image is carried out analyzing and processing again, extract the micromechanism quantitative information.
The utility model also can be used for observing soil body changes of microstructure in the shear test.
Claims (5)
1. rock-soil mechanics micromechanism optic testing system, comprise image collecting device, image processing apparatus, image collecting device comprises monitor, the image collecting device signal exports image processing apparatus to, it is characterized in that three chargers are set on the image collecting device observation position, it is observed face is transparent.
2. rock-soil mechanics micromechanism optic testing system according to claim 1, it is characterized in that three chargers are loading frames, the confined pressure load chamber is set in it, loading frame top connects worm and gear, the worm and gear lower end connects the axial compression loading head, the axial compression loading head is provided with confined pressure at the whole inwall of confined pressure load chamber and loads air bag at the sample chamber of hollow in the confined pressure load chamber, and the inflation inlet outer with the confined pressure load chamber is connected.
3. rock-soil mechanics micromechanism optic testing system according to claim 2, it is characterized in that the worm and gear lower end with an axial compression, displacement transducer are set between the axial compression loading head is connected, be connected with image processing apparatus, on confined pressure load chamber outer wall, the confined pressure sensor is set, one end loads air bag with confined pressure and is connected, and the other end is connected with image processing apparatus.
4. rock-soil mechanics micromechanism optic testing system according to claim 1 is characterized in that it is glass that the confined pressure load chamber is observed face.
5. rock-soil mechanics micromechanism optic testing system according to claim 1 is characterized in that being provided with in the image collecting device three-shaft displacement platform that mates with three chargers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02219334U CN2532476Y (en) | 2002-03-15 | 2002-03-15 | Rock-soil mechanics microcosmic structure optics test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02219334U CN2532476Y (en) | 2002-03-15 | 2002-03-15 | Rock-soil mechanics microcosmic structure optics test system |
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| CN2532476Y true CN2532476Y (en) | 2003-01-22 |
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| CN02219334U Expired - Fee Related CN2532476Y (en) | 2002-03-15 | 2002-03-15 | Rock-soil mechanics microcosmic structure optics test system |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782488A (en) * | 2010-03-26 | 2010-07-21 | 上海交通大学 | Automatic triaxial apparatus for automatically measuring and acquiring experimental data |
| CN101319987B (en) * | 2007-06-08 | 2011-02-16 | 北京有色金属研究总院 | Mesoscopic mechanics test device for metallic material |
| CN101532931B (en) * | 2009-04-17 | 2011-07-13 | 中国科学院武汉岩土力学研究所 | Experimental method of simulating dynamic and static load and device thereof |
| CN102565058A (en) * | 2011-12-26 | 2012-07-11 | 北京林业大学 | Soil section analysis device and method based on image processing |
| CN103076225A (en) * | 2012-12-28 | 2013-05-01 | 长沙理工大学 | Triaxial test device and test method for asphalt mixture |
| CN103940664A (en) * | 2014-05-13 | 2014-07-23 | 中国矿业大学 | Device and method for identifying hard soil fracture microstructure under triaxial test conditions |
| CN104897425A (en) * | 2015-06-01 | 2015-09-09 | 辽宁工程技术大学 | Plane strain tunnel surrounding rock model loading observation system and measurement method thereof |
| CN105158078A (en) * | 2015-09-25 | 2015-12-16 | 中国石油天然气集团公司 | Triaxial core loading testing device |
| CN105203415A (en) * | 2015-10-15 | 2015-12-30 | 华北理工大学 | Automatic simulation impact force determination device for high-pressure water jet punching |
| CN105738255A (en) * | 2016-02-04 | 2016-07-06 | 上海隧道工程有限公司 | Testing device and method for permeation of slurry in soil layer |
| CN109443944A (en) * | 2018-12-19 | 2019-03-08 | 北京科技大学 | The three axis flexible compression devices obtained for the real-time sound pressure information of soil-rock mixture |
| CN109459319A (en) * | 2018-12-19 | 2019-03-12 | 北京科技大学 | Gasbag-type confining pressure loading system matched with Industrial CT Machine is reconstructed for high-definition image |
| CN110108602A (en) * | 2019-04-03 | 2019-08-09 | 东南大学 | A method of particle three-dimensional flow regime under analysis vibrating compacting state |
| CN111413202A (en) * | 2020-04-20 | 2020-07-14 | 中山大学 | Multipoint-constrained rock mass failure test device and method |
| CN112198080A (en) * | 2020-09-30 | 2021-01-08 | 长沙理工大学 | Device and method for quickly measuring soil-water characteristic curve by considering dynamic load and lateral limit |
| CN114354353A (en) * | 2021-04-28 | 2022-04-15 | 南昌工程学院 | Soil mass macro-micro stretching characteristic confining pressure loading device and testing method |
| FR3126498A1 (en) * | 2021-08-31 | 2023-03-03 | Ecole Centrale De Nantes | SHEAR TEST BENCH |
| CN117110063A (en) * | 2023-08-18 | 2023-11-24 | 兰州交通大学 | Closed environment load-holding freeze-thawing soil sample air pressure loading system with controllable bidirectional stress |
-
2002
- 2002-03-15 CN CN02219334U patent/CN2532476Y/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319987B (en) * | 2007-06-08 | 2011-02-16 | 北京有色金属研究总院 | Mesoscopic mechanics test device for metallic material |
| CN101532931B (en) * | 2009-04-17 | 2011-07-13 | 中国科学院武汉岩土力学研究所 | Experimental method of simulating dynamic and static load and device thereof |
| CN101782488A (en) * | 2010-03-26 | 2010-07-21 | 上海交通大学 | Automatic triaxial apparatus for automatically measuring and acquiring experimental data |
| CN102565058A (en) * | 2011-12-26 | 2012-07-11 | 北京林业大学 | Soil section analysis device and method based on image processing |
| CN103076225A (en) * | 2012-12-28 | 2013-05-01 | 长沙理工大学 | Triaxial test device and test method for asphalt mixture |
| CN103940664A (en) * | 2014-05-13 | 2014-07-23 | 中国矿业大学 | Device and method for identifying hard soil fracture microstructure under triaxial test conditions |
| CN104897425A (en) * | 2015-06-01 | 2015-09-09 | 辽宁工程技术大学 | Plane strain tunnel surrounding rock model loading observation system and measurement method thereof |
| CN105158078A (en) * | 2015-09-25 | 2015-12-16 | 中国石油天然气集团公司 | Triaxial core loading testing device |
| CN105158078B (en) * | 2015-09-25 | 2018-08-10 | 中国石油天然气集团公司 | Triaxial core loading test device |
| CN105203415B (en) * | 2015-10-15 | 2017-09-12 | 华北理工大学 | High-pressure water jet automatic punching mould intends impulsive force and determines device |
| CN105203415A (en) * | 2015-10-15 | 2015-12-30 | 华北理工大学 | Automatic simulation impact force determination device for high-pressure water jet punching |
| CN105738255A (en) * | 2016-02-04 | 2016-07-06 | 上海隧道工程有限公司 | Testing device and method for permeation of slurry in soil layer |
| CN109443944A (en) * | 2018-12-19 | 2019-03-08 | 北京科技大学 | The three axis flexible compression devices obtained for the real-time sound pressure information of soil-rock mixture |
| CN109459319A (en) * | 2018-12-19 | 2019-03-12 | 北京科技大学 | Gasbag-type confining pressure loading system matched with Industrial CT Machine is reconstructed for high-definition image |
| CN110108602A (en) * | 2019-04-03 | 2019-08-09 | 东南大学 | A method of particle three-dimensional flow regime under analysis vibrating compacting state |
| CN111413202A (en) * | 2020-04-20 | 2020-07-14 | 中山大学 | Multipoint-constrained rock mass failure test device and method |
| CN112198080A (en) * | 2020-09-30 | 2021-01-08 | 长沙理工大学 | Device and method for quickly measuring soil-water characteristic curve by considering dynamic load and lateral limit |
| CN114354353A (en) * | 2021-04-28 | 2022-04-15 | 南昌工程学院 | Soil mass macro-micro stretching characteristic confining pressure loading device and testing method |
| FR3126498A1 (en) * | 2021-08-31 | 2023-03-03 | Ecole Centrale De Nantes | SHEAR TEST BENCH |
| WO2023031557A1 (en) * | 2021-08-31 | 2023-03-09 | Ecole Centrale De Nantes | Shearing test bench |
| CN117110063A (en) * | 2023-08-18 | 2023-11-24 | 兰州交通大学 | Closed environment load-holding freeze-thawing soil sample air pressure loading system with controllable bidirectional stress |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |