CN204882234U - Fixed high -pressure clay inner structure's consolidation apparatus - Google Patents
Fixed high -pressure clay inner structure's consolidation apparatus Download PDFInfo
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- CN204882234U CN204882234U CN201520387908.2U CN201520387908U CN204882234U CN 204882234 U CN204882234 U CN 204882234U CN 201520387908 U CN201520387908 U CN 201520387908U CN 204882234 U CN204882234 U CN 204882234U
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- 238000007596 consolidation process Methods 0.000 title claims abstract description 34
- 239000004927 clay Substances 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 55
- 239000004575 stone Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000011068 loading method Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
- 230000008014 freezing Effects 0.000 description 11
- 238000007710 freezing Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a fixed high -pressure clay inner structure's consolidation apparatus can realize that the biggest consolidation pressure reaches 10MPa's loading step by step, and the temperature of ability accuracy, whole journey, real -time measurement mud appearance bottom soil pressure and middle part and the body of whole mud appearance become. Through the soil pressure of measuring mud appearance bottom and side, can take the mud frictional force that appearance receives, side restraining force and frost -heave force factor into account in the process of the test, the consolidation apparatus main part is even as an organic whole with the displacement sensor system, easily guarantees the whole monitoring of whole experimental mud appearance body change, the back pressure is applyed to consolidation apparatus main part and back pressure saturation control ware intercommunication, makes the complete saturation of mud appearance, screw up the three long stay bolt of expert after the high pressure consolidation deformation is stable, then carry out low temperature with the consolidation apparatus and freeze. Compared with the prior art, the utility model discloses can solve directly uninstalls after the consolidation of conventional high -pressure consolidation apparatus is accomplished leads to mud appearance inner structure's change, lays a good foundation for summarizeeing the high -pressure law of concreteing of accurate clay.
Description
Technical field
The utility model relates to a kind of instrument carrying out sharp freezing for locking its inner structure after high pressure consolidation again, and particularly a kind of consolidometer of fixing high pressure clay inner structure, is particularly useful for clay.
Background technology
Clay is the conventional natural material extensively distributed in China, wants the macromechanical property of deep announcement clay, studies a little one-tenth of its inner structure necessary.Grasp consolidation law and its inner structure of clay under High Pressure, be the prerequisite accurately judging deep cohesive soil stratum stress state, high-pressure consolidation apparatus realizes this purpose experimental provision.The existing testing research about mud sample especially clay internal microstructure, all hypothesis unloads mud sample inner structure without impact.But common high-pressure consolidation apparatus can not meet high pressure locking requirement usually, therefore cannot obtain the true inner structure of clay sample after high pressure consolidation.Distortion locking logical sharp freezing again after the high pressure consolidation that can realize clay by this utility model.The omnidistance numerical value change of observing bottom soil pressure sensing, middle portion temperature sensor, top displacement transducer of experiment simultaneously, carries out deep clay Quality Research, advances the development of deep soil mechanics and engineer applied.
Utility model content
The purpose of this utility model overcomes Problems existing in current technology, provides the clay deformation constrain sharp freezing high-pressure consolidation apparatus that a kind of structure is simple, measurement parameter kind is many, measuring accuracy is high, to study the true inner structure after clay high pressure consolidation.
The utility model is achieved through the following technical solutions: a kind of consolidometer of fixing high pressure clay inner structure, comprises transmission rod, adds pressure cap, pressure measuring cylinder, base, copper permeable stone, displacement transducer, bottom soil pressure case, side soil pressure case, temperature sensor, elongated stay-bolt and support; Described pressure measuring cylinder is inlaid on base, add pressure cap and be arranged on pressure measuring cylinder top, can load mud sample in described pressure measuring cylinder, the top of mud sample and bottom are respectively equipped with copper permeable stone, the surface of contact of permeable stone and mud sample is provided with filter paper, adds pressure cap bottom and extend into compacting mud sample in pressure measuring cylinder; Described transmission rod is arranged on pressurization center, crown face; The sidewall of described pressure measuring cylinder is provided with side soil pressure case and temperature sensor; The top center of described base is embedded with bottom soil pressure case, and base is provided with sensor threading opening; Described base is equipped with alcohol cryostat circulation passage with adding in pressure cap, and alcohol cryostat circulation passage is connected with alcohol import and alcohol outlet; The described pressure cap that adds is respectively equipped with base the freeing port being communicated with and adding pressure cylinder; The described pressure cap that adds is equipped with displacement transducer for gathering mud sample decrement; Described base with add pressure cap and be connected fastening by elongated stay-bolt, vertical deformation during control constraints mud sample consolidation.
The described pressure cap that adds by adding pressure cap upper member and adding pressure cap lower member and form, pressure cap upper member and add between pressure cap lower member and be provided with waterproof bed course I; Describedly add pressure cap upper member and add pressure cap lower member by the web joint composition being positioned at the main part at center and surrounding; Arrange alcohol cryostat circulation passage I in the main body adding pressure cap lower member, the alcohol import I of alcohol cryostat circulation passage I and alcohol outlet I are symmetricly set on the main body end face of pressure cap upper member; Described add pressure cap upper member and add pressure cap lower member web joint on the uniform multiple bolt hole of circumference, corresponding alcohol import I on described waterproof bed course I, alcohol outlet I and bolt hole establish through hole; The described center adding pressure cap upper member is provided with the transmission rod mounting groove for installing transmission rod.
The described body outer diameter adding pressure cap lower member is not more than the internal diameter adding pressure cylinder cylindrical shell.
Described base is made up of base upper member and base lower member, arranges waterproof bed course II between base upper member and base lower member; Described base upper member inside is provided with alcohol cryostat circulation passage II, and the alcohol import II of alcohol cryostat circulation passage II and alcohol outlet II are symmetrically set in the side of base upper member; The end face center of described base upper member is provided with the sensor embedding slot for installing bottom soil pressure case, and the side of sensor embedding slot is provided with vertical threading opening, and threading opening top mouth is positioned at and adds pressure cylinder, and end mouth is positioned at the side of base lower member; The corresponding bolt hole added on pressure cap in edge of described base upper member and base lower member is provided with bolt hole.
The upper member end face of described base and the bottom nozzle correspondence adding pressure cylinder cylindrical shell are provided with can setting-in draw-in groove mutually.
Described add on pressure cap lower member arrange add pressure cap freeing port, base upper member is arranged base drain mouth, described freeing port is L shape; Described one end adding pressure cap freeing port is arranged in pressure measuring cylinder cylindrical shell, and the other end is positioned at and adds pressure cap lower member side; One end of described base drain mouth is arranged in pressure measuring cylinder cylindrical shell, and the other end is positioned at the side of base upper member.
The bolt body of described elongated stay-bolt is successively through base lower member, waterproof bed course II, base upper member, the bolt hole that adds pressure cap lower member, waterproof bed course I and add on pressure cap upper member, its bottom connects base hold-down nut, and top connects and adds pressure cap hold-down nut.
The cylinder lateral wall of described pressure measuring cylinder has the threaded hole I of diameter 5mm, threaded connection bolt I in threaded hole I, bolt I center axial drilling, and temperature sensor is installed in the borehole, and closely knit with experiment soil, is provided with O-ring seal between bolt I and cylinder body outer wall.
The cylinder lateral wall of described pressure measuring cylinder has the threaded hole II of diameter 6mm, coupling bolt II in threaded hole II, described bolt II central shaft is to the hole having dark 10mm, and side soil pressure case to be arranged in hole and to be fixed by fluid sealant, is provided with O-ring seal between bolt II and cylinder body outer wall.
Bottom the center correspondence of the copper permeable stone of described bottom, soil pressure case is provided with sensor through hole, and the top mouth of corresponding threading opening is provided with blind hole.
The described side adding pressure cap upper member is provided with extension board, and displacement transducer contacts with extension board.
The side of described base is provided with the support for supporting displacement transducer.
Described elongated stay-bolt arranges 3 ~ 12.
Described alcohol cryostat circulation passage is by termination and temperature-control refrigeration equipment connection, and the equipment that the selection of temperature-control refrigeration equipment should select vibration frequency little as far as possible, on the impact of its structure during to avoid freezing.
Described temperature sensor and soil pressure case must be demarcated on pretreatment, and temperature sensor adopts DataTaker800 image data, and soil pressure sensor adopts the full-bridge mode of connection.
In the utility model, unwatering system and freezing system all arrange two covers, improve consolidation and the freezing speed of mud sample.
The beneficial effects of the utility model are: a kind of consolidometer of fixing high pressure clay inner structure, charger by the simple lever consolidometer of routine loads adding pressure cap, can realize the multistage loadings that maximum consolidation pressure reaches 10MPa, the body of the temperature and whole mud sample that can measure soil pressure and middle part bottom mud sample accurate, omnidistance, in real time becomes.By measuring the soil pressure bottom mud sample, the friction force of mud sample in process of the test and coefficient of static earth pressure K can be extrapolated
0, thus in process of the test, this factor of mud sample friction can be taken into account; By measuring the soil pressure of mud sample side, thus in process of the test, the side constraining force of mud sample and these factors of frost-heave force can be taken into account.This high-pressure consolidation apparatus main body and displacement transducer system are connected as a single entity, and are easy to the monitored over time ensureing that whole test mud sample body becomes; High-pressure consolidation apparatus main body is communicated with back-pressure saturating control, applies back-pressure, make mud sample completely saturated; Tighten three elongated stay-bolts after high pressure consolidation deformation is stable, avoid the elastic recoil of the rear mud sample of directly unloading, then consolidometer is connected cryostat and carry out sharp freezing.By carrying out to the mud sample freezed again after the mud sample sampled after locking the mud sample and direct voltage consolidation that freeze again after high pressure consolidation and sampling the difference that electron-microscope scanning observes its micromechanism, compared with prior art, the utility model can solve current conventional high-pressure consolidometer consolidation complete after direct unloading cause the change of mud sample inner structure, thus to lay a good foundation for summing up clay high pressure consolidation law accurately.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of consolidometer of fixing high pressure clay inner structure.
In figure, 1. transmission rod, 2. adds pressure cap, and 2-1. adds pressure cap upper member, 2-2. adds pressure cap lower member, 2-3. waterproof bed course I, 2-4. alcohol cryostat circulation passage I, 2-5. alcohol import I, 2-6. alcohol outlet I, 2-7. adds pressure cap freeing port, 2-8. extension board, 2-9. transmission rod mounting groove, 3. pressure measuring cylinder, 3-1. cylindrical shell, 3-2. threaded hole I, 3-3. bolt I, 3-4. threaded hole II, 3-5. bolt II, 4. base, 4-1. base upper member, 4-2. base lower member, 4-3. waterproof bed course II, 4-4. alcohol cryostat circulation passage II, 4-5. alcohol import II, 4-6. alcohol outlet II, 4-7. base drain mouth, 4-8. sensor embedding slot, 4-9. threading opening, 5. copper permeable stone, 5-1. sensor through hole, 5-2. blind hole, 6. displacement transducer, 7. soil pressure case bottom, 8. side soil pressure case, 9. temperature sensor, 10. elongated stay-bolt, 10-1. bolt body, 10-2. adds pressure cap set bolt, 10-3. base set bolt, 11. supports, 12. mud samples.
Embodiment
In the accompanying drawings, a consolidometer for fixing high pressure clay inner structure, comprises transmission rod 1, adds pressure cap 2, pressure measuring cylinder 3, base 4, copper permeable stone 5, displacement transducer 6, bottom soil pressure case 7, side soil pressure case 8, temperature sensor 9, elongated stay-bolt 10, support 11; Described pressure measuring cylinder 3 is inlaid on base 4, add pressure cap 2 and be arranged on pressure measuring cylinder 3 top, mud sample 12 can be loaded in described pressure measuring cylinder 3, the top of mud sample 12 and bottom are respectively equipped with copper permeable stone 5, the surface of contact of permeable stone and mud sample 12 is provided with filter paper, adds pressure cap 2 bottom and extend into compacting mud sample 12 in pressure measuring cylinder 3; Described transmission rod 1 is arranged on and adds pressure cap 2 end face center; The sidewall of described pressure measuring cylinder 3 is provided with side soil pressure case 8 and temperature sensor 9; The top center of described base 4 is embedded with bottom soil pressure case 7, and base 4 is provided with sensor threading opening 4-9; Described base 4 is equipped with alcohol cryostat circulation passage with adding in pressure cap 2, and alcohol cryostat circulation passage is connected with alcohol import and alcohol outlet; The described pressure cap 2 that adds is respectively equipped with base 4 freeing port being communicated with and adding pressure cylinder 3; The described pressure cap 2 that adds is equipped with displacement transducer 6 for gathering mud sample 12 decrement; Described base 4 with add pressure cap 2 and be connected fastening by elongated stay-bolt 10, vertical deformation during control constraints mud sample 12 consolidation.
The described pressure cap 2 that adds by adding pressure cap upper member 2-1 and adding pressure cap lower member 2-2 and form, pressure cap upper member 2-1 and add between pressure cap lower member 2-2 and be provided with waterproof bed course I 2-3; Describedly add pressure cap upper member 2-1 and add pressure cap lower member 2-2 by the web joint composition being positioned at the main part at center and surrounding; Arrange alcohol cryostat circulation passage I 2-4 in the main body adding pressure cap lower member 2-2, alcohol import I 2-5 of alcohol cryostat circulation passage I 2-4 and alcohol export the main body end face that I 2-5 is symmetricly set on pressure cap upper member 2-1; Described add pressure cap upper member 2-1 and add pressure cap lower member 2-2 web joint on the uniform multiple bolt hole of circumference, corresponding alcohol import I 2-5 on described waterproof bed course I 2-3, alcohol exports I 2-6 and bolt hole establishes through hole; The described center adding pressure cap upper member 2-1 is provided with the transmission rod mounting groove 2-9 for installing transmission rod 1.
The described body outer diameter adding pressure cap lower member 2-2 is not more than the internal diameter adding pressure cylinder 3 cylindrical shell 3-1.
Described base 4 is made up of base upper member 4-1 and base lower member 4-2, arranges waterproof bed course II 4-3 between base upper member 4-1 and base lower member 4-2; Described base upper member 4-1 inside is provided with alcohol cryostat circulation passage II 4-4, and alcohol import II 4-5 and the alcohol of alcohol cryostat circulation passage II 4-4 export the side that II 4-6 is symmetrically set in base upper member 4-1; The end face center of described base upper member 4-1 is provided with the sensor embedding slot 4-8 for installing bottom soil pressure case 7, the side of sensor embedding slot 4-8 is provided with vertical threading opening 4-9, threading opening 4-9 top mouth is positioned at and adds pressure cylinder 3, and end mouth is positioned at the side of base lower member 4-2; The corresponding bolt hole added on pressure cap 2 in edge of described base upper member 4-1 and base lower member 4-2 is provided with bolt hole.
The upper member 4-1 end face of described base and the bottom nozzle correspondence adding pressure cylinder 3 cylindrical shell 3-1 are provided with can setting-in draw-in groove mutually.
Describedly add setting on pressure cap lower member 2-2 and add pressure cap freeing port 2-7, base upper member 4-1 is arranged base drain mouth 4-7, described freeing port is L shape; Described one end adding pressure cap freeing port 2-7 is arranged in pressure measuring cylinder 3 cylindrical shell 3-1, and the other end is positioned at and adds pressure cap lower member 2-2 side; One end of described base drain mouth 4-7 is arranged in pressure measuring cylinder 3 cylindrical shell 3-1, and the other end is positioned at the side of base upper member 4-1.
The bolt body 10-1 of described elongated stay-bolt 10 is successively through base lower member 4-2, waterproof bed course II 4-3, base upper member 4-1, the bolt hole that adds pressure cap lower member 2-2, waterproof bed course I 2-3 and add on pressure cap upper member 2-1, its bottom connects base hold-down nut 10-3, and top connects and adds pressure cap hold-down nut 10-2.
The cylindrical shell 3-1 sidewall of described pressure measuring cylinder 3 has threaded hole I 3-2 of diameter 5mm, threaded connection bolt I 3-3, bolt I 3-3 center axial drilling in threaded hole I 3-2, temperature sensor 9 is installed in the borehole, and closely knit with experiment soil, be provided with O-ring seal between bolt I and cylindrical shell 3-1 outer wall.
The cylindrical shell 3-1 sidewall of described pressure measuring cylinder 3 has threaded hole II 3-4 of diameter 6mm, coupling bolt II 3-5 in threaded hole II 3-4, described bolt II 3-5 central shaft is to the hole having dark 10mm, side soil pressure case 8 to be arranged in hole and to be fixed by fluid sealant, is provided with O-ring seal between bolt II 3-5 and cylindrical shell 3-1 outer wall.
Bottom the center correspondence of the copper permeable stone 5 of described bottom, soil pressure case 7 is provided with sensor through hole 5-1, and the top mouth of corresponding threading opening 4-9 is provided with blind hole 5-2.
The described side adding pressure cap upper member 2-1 is provided with extension board 2-8, and displacement transducer 6 contacts with extension board 2-8.
The side of described base 4 is provided with the support 11 for supporting displacement transducer 6.
Described elongated stay-bolt 10 arranges 3 ~ 12.
Described alcohol cryostat circulation passage is by termination and temperature-control refrigeration equipment connection, and the equipment that the selection of temperature-control refrigeration equipment should select vibration frequency little as far as possible, on the impact of its structure during to avoid freezing.
Described temperature sensor 9 and soil pressure case must be demarcated on pretreatment, and temperature sensor 9 adopts DataTaker800 image data, and soil pressure sensor adopts the full-bridge mode of connection.
In the utility model, unwatering system and freezing system all arrange two, improve consolidation and the freezing speed of mud sample.
Concrete practical approach of the present utility model is:
Bottom soil pressure sensor 7 is placed in the sensor embedding slot 4-8 of base upper member 4-1, the circuit of sensor is passed base upper member 4-1 by threading opening 4-9, pass through the side of base lower member 4-2, when experiment can be avoided like this to pressurize, circuit is truncated again; Installed by whole base 4, then pad copper permeable stone 5 and filter paper on base 4, during installation, the sensor through hole 5-1 on copper permeable stone 5 and threading opening blind hole 5-2 respectively corresponding bottom soil pressure case 7 and threading opening 4-9 is arranged; The body of rod of elongated stay-bolt 10 is passed the bolt hole on base 4 and fixes at bottom base hold-down nut 10-3; Pressure measuring cylinder 3 and base 4 are fixed with draw-in groove, again side soil pressure case 8 and temperature sensor 9 are installed, then in the cylindrical shell 3-1 of pressure measuring cylinder 3, the mud sample 12 prepared is loaded, mud sample 12 is laid filter paper and copper permeable stone 5, being inserted in the bottom adding pressure cap 2 adds in pressure cylinder 3 again, closely knitly bottom it is pressed on copper permeable stone 5; Add pressure cap 2 the same with base, be also made up of upper member, lower member, waterproof bed course and alcohol cryostat circulation passage, arranging of waterproof bed course can prevent the alcohol in alcohol cryostat circulation passage from overflowing.With the body of rod of elongated stay-bolt 10 through the bolt hole adding pressure cap 2, top is fastening with adding pressure cap hold-down nut 10-2; Adjusted position displacement sensor 6, makes it naturally contact with the extension board 2-8 adding pressure cap 2 side; After connecting the circuit of three sensors, by simple lever consolidometer, transmission rod 1 is applied to the pressure of different stage, realize the high pressure consolidation to mud sample 12, water in the process in mud is discharged by upper and lower freeing port, the radial direction of soil pressure case, temperature sensor and displacement transducer Real-time Obtaining mud sample, axle pressure information, temperature information and consolidation deformation data; After high pressure consolidation deformation is stable, first twists base hold-down nut 10-3 and carry out coarse adjustment, then add pressure cap hold-down nut 10-2 and carry out accurate adjustment, nut is evenly tightened, locks the soil sample after consolidation, when stubborn nut, displacement transducer 6 numerical value does not change; Finally to base 4 with add pressure cap 2 and lead to alcohol and carry out sharp freezing.
Claims (10)
1. the consolidometer of a fixing high pressure clay inner structure, it is characterized in that, comprise transmission rod, add pressure cap, pressure measuring cylinder, base, copper permeable stone, displacement transducer, bottom soil pressure case, side soil pressure case, temperature sensor, elongated stay-bolt and support; Described pressure measuring cylinder is inlaid on base, add pressure cap and be arranged on pressure measuring cylinder top, can load mud sample in described pressure measuring cylinder, the top of mud sample and bottom are respectively equipped with copper permeable stone, the surface of contact of permeable stone and mud sample is provided with filter paper, adds pressure cap bottom and extend into compacting mud sample in pressure measuring cylinder; Described transmission rod is arranged on pressurization center, crown face; The sidewall of described pressure measuring cylinder is provided with side soil pressure case and temperature sensor; The top center of described base is embedded with bottom soil pressure case, and base is provided with sensor threading opening; Described base is equipped with alcohol cryostat circulation passage with adding in pressure cap, and alcohol cryostat circulation passage is connected with alcohol import and alcohol outlet; The described pressure cap that adds is respectively equipped with base the freeing port being communicated with and adding pressure cylinder; The described pressure cap that adds is equipped with displacement transducer for gathering mud sample decrement; Described base with add pressure cap and be connected fastening by elongated stay-bolt, vertical deformation during control constraints mud sample consolidation.
2. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, is characterized in that, described in add pressure cap by adding pressure cap upper member and adding pressure cap lower member and form, pressure cap upper member and add between pressure cap lower member and be provided with waterproof bed course I; Describedly add pressure cap upper member and add pressure cap lower member by the web joint composition being positioned at the main part at center and surrounding; Arrange alcohol cryostat circulation passage I in the main body adding pressure cap lower member, the alcohol import I of alcohol cryostat circulation passage I and alcohol outlet I are symmetricly set on the main body end face of pressure cap upper member; Described add pressure cap upper member and add pressure cap lower member web joint on the uniform multiple bolt hole of circumference, corresponding alcohol import I on described waterproof bed course I, alcohol outlet I and bolt hole establish through hole; The described center adding pressure cap upper member is provided with the transmission rod mounting groove for installing transmission rod; The described body outer diameter adding pressure cap lower member is not more than the internal diameter adding pressure cylinder cylindrical shell.
3. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, it is characterized in that, described base is made up of base upper member and base lower member, arranges waterproof bed course II between base upper member and base lower member; Described base upper member inside is provided with alcohol cryostat circulation passage II, and the alcohol import II of alcohol cryostat circulation passage II and alcohol outlet II are symmetrically set in the side of base upper member; The end face center of described base upper member is provided with the sensor embedding slot for installing bottom soil pressure case, and the side of sensor embedding slot is provided with vertical threading opening, and threading opening top mouth is positioned at and adds pressure cylinder, and end mouth is positioned at the side of base lower member; The corresponding bolt hole added on pressure cap in edge of described base upper member and base lower member is provided with bolt hole; The upper member end face of described base and the bottom nozzle correspondence adding pressure cylinder cylindrical shell are provided with can setting-in draw-in groove mutually.
4. the consolidometer of a kind of fixing high pressure clay inner structure according to Claims 2 or 3, is characterized in that, described in add on pressure cap lower member arrange add pressure cap freeing port, base upper member is arranged base drain mouth, described freeing port is L shape; Described one end adding pressure cap freeing port is arranged in pressure measuring cylinder cylindrical shell, and the other end is positioned at and adds pressure cap lower member side; One end of described base drain mouth is arranged in pressure measuring cylinder cylindrical shell, and the other end is positioned at the side of base upper member.
5. the consolidometer of a kind of fixing high pressure clay inner structure according to Claims 2 or 3, it is characterized in that, the bolt body of described elongated stay-bolt is successively through base lower member, waterproof bed course II, base upper member, the bolt hole that adds pressure cap lower member, waterproof bed course I and add on pressure cap upper member, its bottom connects base hold-down nut, and top connects and adds pressure cap hold-down nut.
6. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, it is characterized in that, the cylinder lateral wall of described pressure measuring cylinder has the threaded hole I of diameter 5mm, threaded connection bolt I in threaded hole I, bolt I center axial drilling, temperature sensor is installed in the borehole, and closely knit with experiment soil, is provided with O-ring seal between bolt I and cylinder body outer wall; The cylinder lateral wall of described pressure measuring cylinder also has the threaded hole II of diameter 6mm, coupling bolt II in threaded hole II, described bolt II central shaft is to the hole having dark 10mm, and side soil pressure case to be arranged in hole and to be fixed by fluid sealant, is provided with O-ring seal between bolt II and cylinder body outer wall.
7. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, it is characterized in that, bottom the center correspondence of the copper permeable stone of described bottom, soil pressure case is provided with sensor through hole, and the top mouth of corresponding threading opening is provided with blind hole.
8. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, is characterized in that, described in add pressure cap upper member side be provided with extension board, displacement transducer contacts with extension board; The side of described base is provided with the support 11 for supporting displacement transducer.
9. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, it is characterized in that, described elongated stay-bolt arranges 3 ~ 12.
10. the consolidometer of a kind of fixing high pressure clay inner structure according to claim 1, is characterized in that, described alcohol cryostat circulation passage by termination and temperature-control refrigeration equipment connection, the equipment that temperature-control refrigeration equipment choice vibration frequency is little; Described temperature sensor and soil pressure case must be demarcated on pretreatment, and temperature sensor adopts DataTaker800 image data, and soil pressure sensor adopts the full-bridge mode of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520387908.2U CN204882234U (en) | 2015-06-08 | 2015-06-08 | Fixed high -pressure clay inner structure's consolidation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520387908.2U CN204882234U (en) | 2015-06-08 | 2015-06-08 | Fixed high -pressure clay inner structure's consolidation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882234U true CN204882234U (en) | 2015-12-16 |
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ID=54826596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520387908.2U Expired - Fee Related CN204882234U (en) | 2015-06-08 | 2015-06-08 | Fixed high -pressure clay inner structure's consolidation apparatus |
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| CN (1) | CN204882234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865126A (en) * | 2015-06-08 | 2015-08-26 | 中国矿业大学 | Consolidation apparatus capable of locking inner structure of high-pressure clay |
| CN109211676A (en) * | 2018-09-21 | 2019-01-15 | 三峡大学 | Measure the device and analogy method of Rock And Soil stress repletion transfer law |
| CN111855735A (en) * | 2020-08-06 | 2020-10-30 | 兰州理工大学 | Efficient and accurate measuring device for salt expansion and frost heaving of salt solution |
-
2015
- 2015-06-08 CN CN201520387908.2U patent/CN204882234U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865126A (en) * | 2015-06-08 | 2015-08-26 | 中国矿业大学 | Consolidation apparatus capable of locking inner structure of high-pressure clay |
| CN104865126B (en) * | 2015-06-08 | 2018-09-28 | 中国矿业大学 | A kind of consolidation apparatus of lockable high pressure clay internal structure |
| CN109211676A (en) * | 2018-09-21 | 2019-01-15 | 三峡大学 | Measure the device and analogy method of Rock And Soil stress repletion transfer law |
| CN111855735A (en) * | 2020-08-06 | 2020-10-30 | 兰州理工大学 | Efficient and accurate measuring device for salt expansion and frost heaving of salt solution |
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