CN101464450A - Three-axis adjustable microscopic observation system for geotechnical mesomechanics test - Google Patents
Three-axis adjustable microscopic observation system for geotechnical mesomechanics test Download PDFInfo
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- CN101464450A CN101464450A CN 200910036622 CN200910036622A CN101464450A CN 101464450 A CN101464450 A CN 101464450A CN 200910036622 CN200910036622 CN 200910036622 CN 200910036622 A CN200910036622 A CN 200910036622A CN 101464450 A CN101464450 A CN 101464450A
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- 230000008569 process Effects 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 12
- 206010061245 Internal injury Diseases 0.000 claims description 2
- 241000282887 Suidae Species 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 206010011376 Crepitations Diseases 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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Abstract
The invention discloses a triaxial adjustable microscopic observation system used in a soil-rock softening meso-mechanical test, which comprises a microscope and a universal stand, wherein, the universal stand comprises a bracket, a vertical bearing rod, a vertical mobile retainer ring, a vertical and transverse connector, a transverse joint lever system, a vertical fine tuning system, a transverse fine tuning system and a lens axial fine tuning system. The triaxial adjustable microscopic observation system is characterized in that the formation and the development of crannies and crackles on the soil-rock surface are traced dynamically in a comprehensive manner during the soil-rock softening process, and the evolution rule of soil-rock internal damages is revealed finally. The triaxial adjustable microscopic observation system has the main advantages that the triaxial adjustable observation of the microscope can be realized, an effectual crackle observation tool is provided for the soil-rock softening meso-mechanical test, the operation is simple and convenient, and the system is easy to master.
Description
Technical field
The invention belongs to Geotechnical Engineering test apparatus field, particularly three adjustable microscopic observation systems in the ground fine observation mechanical test.
Technical background
Ground is met the water softening phenomenon and is prevalent in domestic and international many Important Project, is to cause side slope, foundation ditch, tunnel etc. to produce the place of the key of deformation failure or potential safety hazard.Specifically,, add the unevenness that the rock soil mass CLAY MINERALS AND THEIR SIGNIFICANCE expands, caused the inner generation with crizzle of rock soil mass jointly because that water-power makes that to the coupling of ground rock soil mass internal mineral particle connects is weakened; Along with water and the interactional aggravation of rock soil mass, micro-crack is constantly expanded, is converged in the rock soil mass, and rock soil mass macroscopic view intensity is also in continuous reduction, and is final because the destruction that the perforation in macroscopical crack causes soft rock.
This shows, the process of the generation of rock soil mass crizzle, expansion and connection is also over against answering the softening process of rock soil mass, so, can be by carrying out the softening fine observation mechanical test of ground, come the generation and the development of ground external crack and crackle under all-the-way tracking water-petrofacies interaction, finally disclose the evolution rule of ground internal injury.At present, the pressure chamber is based on vertical in the fine observation mechanical test instrument of research rock soil mass, and this just requires optical microphotograph recording geometry microscope camera lens axially should be in horizontal direction.Therefore, design one cover microscope camera lens axially is in the simple of horizontal direction, three adjustable microscopic observation systems efficient and easy operating become the inevitable requirement of carrying out the softening fine observation mechanical test of ground, have crucial scientific meaning and wide application prospect.
But microscope is mainly used in vertical observation at present, and existing general microscope stand is also to satisfy vertical observation requirement; Special also only be used for vertical observation for what the microscope universal stand of observing large-scale sample had, can carry out the adjusting of certain angle individually, but for satisfying level to observing and carrying out easily that the microscope stand of three fine tunings is current not to have a good solution.The present invention is a purpose to satisfy three fine tunings of microscope exactly.
Summary of the invention
The objective of the invention is at three on existing rock and three loading systems of soil, provide a kind of can be in water and rock soil mass coupling process three adjustable microscopic observation systems of observation carefully.
To achieve the object of the present invention, the technical scheme of employing is as follows:
Three adjustable microscopic observation systems based on three on rock and three loading systems of soil comprise a microscope, the used universal stand of a cover microscope.
The universal stand supporting with microscope consists of the following components:
1. bearing
The base of support is a casting pig, the work that himself quality assurance microscope can be stable after being placed on the support.
2. vertical displacement regulating system
The vertical adjustment system is made up of two parts, and one is the coarse adjustment system, is made up of vertical pole and vertical mobile set collar, during use, vertical mobile set collar is fixed to the position that needs, puts vertical lateral connector above, can want the cardinal principle vertical height of laying so that microscope is put into us; Another part is the fine tuning system, form by mutual two chimeric block casting iron blocks, wherein the screw thread on the screw thread on the block casting iron block and another block casting iron block upper knob meets mutually, and when rotary knob, movably casting pig can move up and down along fixing casting pig surface.
3. transversal displacement regulating system
Horizontal regulating system also is made up of two parts, and one is the coarse adjustment system, is made up of vertical lateral connector and lateral strut, and the little steel ball of a circle is arranged in the transverse holes in the vertical lateral connector, and lateral strut can manually laterally move flexibly like this; Another part is the fine tuning system, is made up of fixed transverse rod and the mobile block that is enclosed within on the fixed transverse rod, and when the knob on the mobile block rotated, mobile block can moving axially along fixed transverse rod; Mobile casting pig in fixed transverse rod and the vertical displacement fine tuning system is fixed together.
4. the axial focusing system of microscope camera lens
The support bar of the axial focusing system of microscope camera lens is fixed on the mobile block of transversal displacement fine tuning system, the regulating system of microscope itself is enclosed within on the support bar, when the focusing knob of microscope itself rotated, microscope can move axially along the microscope camera lens.
Because the vertical adjustment system, the lateral adjustments system, the adjusting direction of the axial focusing system of microscope camera lens is an angle of 90 degrees each other, thus this back-up system can realize fractographic three adjustable.
The application of the present invention in the softening fine observation mechanical test of ground:
1. according to the height of rock sample in three on rock or soil position of three loading systems and the pressure chamber, tentatively install three adjustable microscopic observation systems.
2, start three on rock or three loading systems of soil, the ground test specimen begins to be subjected to water-Li acting in conjunction, regulate transversal displacement coarse adjustment system, vertical displacement coarse adjustment system and the axial focusing system of microscope camera lens, examination upper surface each several part is carried out micro-amplification monitoring, find the ground surface crack that to observe.
3,, regulate transversal displacement fine tuning system's knob and perpendicular according to the development of ground surface crack
To displacement fine tuning system knob, follow the tracks of the development of crackle.
Advantage of the present invention is:
1) can realize fractographic three adjustable, for the softening fine observation mechanical test of ground provides effective crackle viewing tool.
2) simple to operate, convenient, be easy to grasp.
3) simple in structure, reliable, be convenient to safeguard.
Description of drawings
Fig. 1 is an ingredient synoptic diagram of the present invention.
Wherein:
[1]---bearing, [2]---vertical pole
[3]---vertical mobile set collar [4]---vertical mobile set collar crosswise fixed knob
[3]---vertical lateral connector [6]---laterally connects the leverage fixed block
[7]---lateral strut [8]---vertical mobile set collar fixed knob
[9] the vertical fine tuning casting pig (laterally connecting is fixed block) of---vertically finely tuning adjusting knob [10]---
[11]---vertical fine tuning casting pig [12]---laterally finely tunes fixed transverse rod
[13] horizontal micro-tensioning system moves block---laterally to finely tune adjusting knob [14]---
[15]---camera lens is axially finely tuned support bar [16]---camera lens is axially finely tuned adjusting knob
[17]---axial fine tuning movable block of microscope [18]---microscope
Fig. 2 is the embodiment process flow diagram.
Embodiment
Describe use-pattern of the present invention in detail below in conjunction with accompanying drawing.
It is as follows that instrument is installed and used step:
1, according to the position of three loading systems of ground, put bearing [1], vertical pole [2] is fixed on the bearing [1].
2,, determine the height of vertical mobile set collar [3], vertical mobile set collar fixed knob [8] according to the height of rock sample or soil sample in three loading system pressure chambers of ground.
3, place vertical lateral connector [5], lateral strut [7] laterally connects leverage fixed block [6] [10], vertical displacement fine tuning system [10] [11] [9], and transversal displacement fine tuning system [12] [14] [13] and camera lens are axially finely tuned support bar [15].
4, microscope [18] [17] [16] and support bar [15] are connected.
5, regulate transversal displacement coarse adjustment system, vertical displacement coarse adjustment system and the axial focusing system of microscope camera lens find the ground surface crack that will observe.
6, according to the development of rock soil mass surface crack, regulate laterally fine setting adjusting knob [13] and vertical fine setting adjusting knob [9], follow the tracks of the development of crackle.
Claims (7)
1, three of a kind of ground fine observation mechanical test adjustable microscopic observation systems, it is characterized in that can be in the ground softening process, and the generation of whole-course dynamic tracing ground external crack and crackle and development finally disclose the evolution rule of ground internal injury.
2, three adjustable microscopic observation systems according to claim 1 is characterized in that being made up of microscope and universal stand, and three of realizations were adjustable when described universal stand can make microscope camera lens axis be on the surface level.
3, universal stand according to claim 2 is characterized in that by bearing, vertical pole, and vertical mobile set collar, vertical lateral connector laterally connects leverage, vertical micro-tensioning system, horizontal micro-tensioning system, the axial micro-tensioning system of camera lens.
4, horizontal connection leverage according to claim 3 is characterized in that by 2 lateral strut, and two laterally connect leverage fixed block composition, and one of them laterally connects the leverage fixed block and uses as vertical fine tuning casting pig simultaneously.Laterally connect leverage and be placed on the vertical lateral connector, and link to each other with vertical micro-tensioning system.
5, according to claim 3 and 4 described vertical micro-tensioning systems, it is characterized in that by mutual two blocks of chimeric vertical fine tuning casting pigs a vertical fine setting adjusting knob is formed, the conduct simultaneously of one of them vertical fine tuning casting pig laterally connects the leverage fixed block and uses.Vertical micro-tensioning system is placed in horizontal connecting link and fastens, and links to each other with horizontal micro-tensioning system.
According to claim 3 and 5 described horizontal micro-tensioning systems, it is characterized in that 6, laterally micro-tensioning system moves block and laterally finely tunes adjusting knob and form by horizontal fine setting fixed transverse rod.Laterally micro-tensioning system is placed on the vertical micro-tensioning system, and links to each other with the axial micro-tensioning system of camera lens.
7,, it is characterized in that axially finely tuning the axial fine tuning movable block of support bar microscope and camera lens by camera lens axially finely tunes adjusting knob and form according to claim 3 and the axial micro-tensioning system of 6 described camera lenses.The axial micro-tensioning system of camera lens is placed on the horizontal micro-tensioning system, and links to each other with microscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910036622 CN101464450B (en) | 2009-01-13 | 2009-01-13 | Three-axis adjustable microscopic observation system for geotechnical mesomechanics test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910036622 CN101464450B (en) | 2009-01-13 | 2009-01-13 | Three-axis adjustable microscopic observation system for geotechnical mesomechanics test |
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| Publication Number | Publication Date |
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| CN101464450A true CN101464450A (en) | 2009-06-24 |
| CN101464450B CN101464450B (en) | 2013-01-02 |
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| CN 200910036622 Expired - Fee Related CN101464450B (en) | 2009-01-13 | 2009-01-13 | Three-axis adjustable microscopic observation system for geotechnical mesomechanics test |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636391A (en) * | 2012-02-15 | 2012-08-15 | 中山大学 | Weak soil dynamic behavior testing system for continuously and finely tracking in overall-process manner |
| CN103196923A (en) * | 2013-04-24 | 2013-07-10 | 哈尔滨工业大学 | Structural dynamic defective optical fiber microscopic monitoring device |
| CN105043986A (en) * | 2015-08-05 | 2015-11-11 | 上海交通大学 | Microscope installation support for observing mesoscopic tissue online in situ |
| CN105199495A (en) * | 2015-11-05 | 2015-12-30 | 陕西师范大学 | Microscopic dynamic monitoring device and repairing method for ceramic historical relic painting layer micron-scale crack |
| CN106596280A (en) * | 2016-12-12 | 2017-04-26 | 东北大学 | Multi-axial loading test device for researching microscopic damage behavior of rock |
| CN107655932A (en) * | 2017-09-07 | 2018-02-02 | 中国石油大学(华东) | For studying the experimental provision of low temperature induction thermal stress fracturing and studying the experimental method of low temperature induction thermal stress fracturing using it |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5677709A (en) * | 1994-02-15 | 1997-10-14 | Shimadzu Corporation | Micromanipulator system with multi-direction control joy stick and precision control means |
| CN1324343C (en) * | 2003-11-22 | 2007-07-04 | 重庆天海医疗设备有限公司 | Microscanning platform |
| CN100473968C (en) * | 2004-11-30 | 2009-04-01 | 中国科学院武汉岩土力学研究所 | Stress-water flow-ohemical coupled rock urpture process mesomechanic loading system |
| CN2856995Y (en) * | 2005-12-09 | 2007-01-10 | 中国科学院金属研究所 | Surface observer under conditions of dynamic loading |
-
2009
- 2009-01-13 CN CN 200910036622 patent/CN101464450B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636391A (en) * | 2012-02-15 | 2012-08-15 | 中山大学 | Weak soil dynamic behavior testing system for continuously and finely tracking in overall-process manner |
| CN103196923A (en) * | 2013-04-24 | 2013-07-10 | 哈尔滨工业大学 | Structural dynamic defective optical fiber microscopic monitoring device |
| CN105043986A (en) * | 2015-08-05 | 2015-11-11 | 上海交通大学 | Microscope installation support for observing mesoscopic tissue online in situ |
| CN105199495A (en) * | 2015-11-05 | 2015-12-30 | 陕西师范大学 | Microscopic dynamic monitoring device and repairing method for ceramic historical relic painting layer micron-scale crack |
| CN105199495B (en) * | 2015-11-05 | 2016-08-24 | 陕西师范大学 | The micro-dynamic monitor in relics painted layer micron order crack and restorative procedure |
| CN106596280A (en) * | 2016-12-12 | 2017-04-26 | 东北大学 | Multi-axial loading test device for researching microscopic damage behavior of rock |
| CN106596280B (en) * | 2016-12-12 | 2019-05-21 | 东北大学 | A kind of Multi-axial Loading experimental rig for study of rocks micro-damage behavior |
| CN107655932A (en) * | 2017-09-07 | 2018-02-02 | 中国石油大学(华东) | For studying the experimental provision of low temperature induction thermal stress fracturing and studying the experimental method of low temperature induction thermal stress fracturing using it |
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| CN101464450B (en) | 2013-01-02 |
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Granted publication date: 20130102 Termination date: 20140113 |