CN106404280B - Multi-functional caliberating device for miniature soil pressure cell - Google Patents
Multi-functional caliberating device for miniature soil pressure cell Download PDFInfo
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- CN106404280B CN106404280B CN201611021295.6A CN201611021295A CN106404280B CN 106404280 B CN106404280 B CN 106404280B CN 201611021295 A CN201611021295 A CN 201611021295A CN 106404280 B CN106404280 B CN 106404280B
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- Prior art keywords
- reaction frame
- functional
- pressure cell
- soil pressure
- bottom plate
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- 239000002689 soil Substances 0.000 title claims abstract description 94
- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 27
- 238000012360 testing method Methods 0.000 abstract description 22
- 238000013461 design Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010998 test method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229920006266 Vinyl film Polymers 0.000 description 1
- 208000012826 adjustment disease Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to the multi-functional caliberating device for miniature soil pressure cell, reaction frame column including multi-functional bottom plate, on multi-functional bottom plate, the reaction frame back timber on reaction frame column, the pressure sensor below reaction frame back timber, the hydraulic jack below pressure sensor, the loaded member below hydraulic jack and the ascending multiple demarcation cylinders of diameter, reaction frame column are provided with the attachment structure for being used for that reaction frame back timber to be fixed on to diverse location on reaction frame column.The multi-functional caliberating device for miniature soil pressure cell of the present invention, same miniature soil pressure cell can be demarcated in cylinder in different-diameter and carry out soil mark experiment respectively, each soil mark experiment can pass through the different pressure of hydraulic jack hierarchical loading, so as to draw the problem of different-diameter demarcates size and trend that cylinder marks influence and the influence of test data to soil, and the soil for avoiding technical staff from designing marks experimental rig calibration coefficient randomness increase.
Description
Technical field
The present invention relates to a kind of indoor model test device, more particularly, to determines miniature soil pressure cell in soil medium
The caliberating device of calibration coefficient.
Background technology
The measurement of soil pressure is frequently encountered in model test indoors, is commonly used miniature soil pressure cell and is carried out measurement model experiment soil
The size of soil pressure and distribution in body medium.Commercially available miniature soil pressure cell more using oil ga(u)ge or gas calibration method come
Determine calibration coefficient.Significantly should however, substantial amounts of indoor model test shows that soil pressure cell can produce in soil medium
Power collection neutralizes soil arching effect, so that its calibration coefficient in soil medium produces larger difference with oil ga(u)ge or gas mark, leads
Model-test data authenticity and accuracy is caused not to ensure.Therefore, the soil mark experiment pair of miniature soil pressure cell is carried out indoors
There is preferable directive function in the data processing of model test.The device tested both at home and abroad in the interior soil mark of miniature soil pressure cell
It is random larger in design, in the absence of the experimental rig and test method of standard, cause the increase of calibration coefficient randomness, it is same
Larger difference be present in individual soil pressure cell gained calibration coefficient in the case of different equipments and operating personnel.In addition, load mode is more
Using preloading or air pressure, the demarcation of the miniature soil pressure cell of wide range can not be carried out for preloading, and air pressure-loading subtraction unit
Complex designing, cost are higher.
The content of the invention
Technical staff has found that the reasons for the above problems are by research, in the design of existing soil mark experimental rig,
Designer does not recognize the dimensional effect of demarcation cylinder, miniature soil pressure cell in the embedding manner in demarcating cylinder, demarcation cylinder
The influence of the factor to calibration coefficient such as property of filled slope and miniature soil pressure cell adjacent material up and down of miniature soil pressure cell.
Therefore, technical staff wishes the demarcation cylinder by different-diameter, filled slope different above and below miniature soil pressure cell in demarcation cylinder
And material of different nature carries out the experiment of calibration coefficient to miniature soil pressure cell respectively around miniature soil pressure cell, so as to
Go out above-mentioned different factors influences situation for miniature soil pressure cell calibration coefficient, for the design to indoor soil mark experimental rig with
And indoor soil mark experiment is instructed, so as to solve present in prior art in the native mark experiment in the interior of miniature soil pressure cell
It is random larger in device design, in the absence of the experimental rig and test method of standard, cause the increase of calibration coefficient randomness,
The problem of larger difference be present in same soil pressure cell gained calibration coefficient in the case of different equipments and operating personnel.But
In the prior art, the multi-functional caliberating device for miniature soil pressure cell for meeting requirement is lacked.
The purpose of the present invention is in view of the shortcomings of the prior art, so as to provide the multi-functional mark for miniature soil pressure cell
Determine device.
To achieve these goals, the technical solution adopted in the present invention is：Multi-functional mark for miniature soil pressure cell
Determine device, including multi-functional bottom plate, the reaction frame column on the multi-functional bottom plate, on the reaction frame column
Reaction frame back timber, the pressure sensor below the reaction frame back timber, the hydraulic pressure thousand below the pressure sensor
Multiple demarcation cylinders that jin pushes up, the loaded member below the hydraulic jack and diameter are ascending, the counter-force erect
Post is provided with the attachment structure for being used for that the reaction frame back timber to be fixed on to diverse location on reaction frame column.
Preferably, it is respectively provided with filled slope control chi on the inwall of each demarcation cylinder.
Preferably, respectively demarcation cylinder inwall is burnishing surface, and silicon layer is set on the burnishing surface, is set on the silicon layer poly-
Tetrafluoroethene film.
Preferably, multiple locating slots for being used for the corresponding placement demarcation cylinder are set on the multi-functional bottom plate, it is each described
Locating slot has identical geometric center and the geometric center is located on the loaded member axis.
Preferably, in addition to for blocking the plugging plate of each locating slot.
Preferably, fixing hole and the threading hole connected with the fixing hole are set on the multi-functional bottom plate, it is described solid
Determine detachable set on hole and block thin slice.
Preferably, it is provided for ensureing multiple leveling bolts of multi-functional bottom plate keep level on the multi-functional bottom plate.
Preferably, the loaded member is I-shaped load plate, including top plate, column and bottom plate, the bottom plate by steel plate with
And it is pasted onto the silica gel pressing plate composition of steel plate bottom.
Preferably, the reaction frame back timber includes reaction frame secondary beam, is detachably fixed company with the reaction frame secondary beam both ends
The two reaction frame girders connect, the both ends of each reaction frame girder are fixedly connected with column sleeve, and the attachment structure is
The pin-and-hole equidistantly opened up on the reaction frame column, the column sleeve pass through the bearing pin being plugged on the column sleeve and institute
The fixation of the diverse location on the reaction frame column is realized in the cooperation for stating pin-and-hole.
Preferably, in addition to for being placed on perforate backing plate on the multi-functional bottom plate.
The present invention is compared with the prior art with prominent substantive distinguishing features and significantly progressive, specifically, for miniature
The multi-functional caliberating device of soil pressure cell, the cooperation of cylinder is demarcated using the locating slot on multi-functional bottom plate and different-diameter, can
Same miniature soil pressure cell is demarcated in cylinder in different-diameter and carries out soil mark experiment respectively, each soil mark experiment can pass through liquid
The different pressure of jack hierarchical loading is pressed, so as to show that different-diameter demarcation cylinder marks the influence and influence of test data to soil
Size and trend, these results can to soil mark experimental rig design and soil mark experiment instruct so that technology people
Member can choose suitable demarcation cylinder according to experiment demand and the error requirements of calibration coefficient, avoid blindly leading using demarcation cylinder
The problem of causing calibration coefficient randomness increase, for the soil mark experiment of identical test requirement, technical staff can be according to above-mentioned finger
Lead and choose identical experimental rig and test method, so as to draw consistent calibration coefficient.Meanwhile reaction frame back timber is fixed on
The loading structure that diverse location attachment structure and pressure sensor, hydraulic jack, loaded member are formed on reaction frame column, can
The experiment of the miniature soil pressure cell of wide range is carried out, it is not only ingenious in design, it is simple in construction, it is cheap, it is easy to operate, and solve
The problem of in the prior art preloading mode can not carry out the rating test of the miniature soil pressure cell of wide range.
Further, filled slope control chi is respectively respectively provided with demarcation cylinder inwall, filled slope control chi can be simple
Effectively control the filled slope of miniature soil pressure cell above and below, the convenient estimation for loading sedimentation value, to draw difference
Filled slope marks the size and trend of influence and the influence of test data to soil, and these results can mark experimental rig to soil
Design and soil mark experiment are instructed.
Further, respectively demarcation cylinder inwall is burnishing surface, and silicon layer is set on burnishing surface, polytetrafluoro is set on silicon layer
Vinyl film, said structure greatly reduce influence of the demarcation cylinder inwall frictional force to rating test result.
Further, each locating slot has identical geometric center and the geometric center is located at the loaded member axis
On, prevent loading procedure acceptance of the bid safety barrel from the skew of position occur and caused error.
Further, in addition to it is used for the plugging plate for blocking each locating slot, plugging plate acts on big demarcation
During cylinder experiment, the locating slot inside closure demarcation cylinder, ensure to keep the bottom surface demarcated in cylinder during different-diameter demarcation cylinder experiment
It is smooth, this is extremely important to contrast test.
Further, fixing hole and the threading hole connected with fixing hole are set on multi-functional bottom plate, can on fixing hole
Dismounting sets closure thin slice, and the structure make it that the multi-functional caliberating device of the present invention can not only be to the miniature soil pressure cell of flush type
Tested but also embedded micro soil pressure cell can be tested, tested for the miniature soil pressure cell of flush type
When, closure thin slice closure fixing hole need to be only used, simple and ingenious structure, has expanded trial stretch significantly.
Further, multiple leveling bolts are set on multi-functional bottom plate, for ensureing multi-functional bottom plate keep level, prevented
Only occur influenceing the accuracy of experiment because multi-functional bottom plate tilts.
Further, loaded member is I-shaped load plate, including top plate, column and bottom plate, simple in construction, in light weight,
Convenient on top plate to set dial gauge, bottom plate is by steel plate and is pasted onto the silica gel pressing plate of steel plate bottom and forms so that during bottom plate is firm
There is soft, uniform force of being banketed when can ensure to push.
Further, the cooperation of column sleeve and attachment structure make it that reaction frame back timber is different on reaction frame column
The fixation of position, soil pressure cell for different ranges and when need different hydraulic jacks and sensor, Ke Yifang
Just the position of adjustment reaction frame back timber, so as to obtain suitably loading space, simple in construction, cost is low, easy to operate, very
It is practical.
Further, in addition to it is used for the perforate backing plate being placed on the multi-functional bottom plate, is selected when experiment
Different hardness or the backing plate of material are taken, to draw the property factor of embedded micro soil pressure cell adjacent material to calibration coefficient
Influence.
Brief description of the drawings
Fig. 1 is the structural representation for the multi-functional caliberating device for being used for miniature soil pressure cell in the embodiment of the present invention.
Fig. 2 is the structural representation of multi-functional bottom plate in the embodiment of the present invention.
Fig. 3 is the structural representation of acceptance of the bid safety barrel of the embodiment of the present invention.
Fig. 4 is enlarged drawing at Fig. 3 A.
Embodiment
Below by embodiment, technical scheme is described in further detail.
For the embodiment of the multi-functional caliberating device of miniature soil pressure cell, as shown in figures 1-4, including multi-functional bottom plate
1st, the reaction frame column 2 on multi-functional bottom plate, the reaction frame back timber 3 on reaction frame column 2, located at reaction frame back timber
The pressure sensor 7 of 3 lower sections, the hydraulic jack 6 located at the lower section of pressure sensor 7, the loading located at the lower section of hydraulic jack 6
Part 5 and the ascending multiple demarcation cylinders 4 of diameter, the present embodiment acceptance of the bid safety barrel is four, and diameter 200mm is respectively adopted,
300mm, 350mm, 400mm seamless steel pipe are made, and demarcation barrel thickness is 10mm, and each demarcate on cylinder inwall is respectively provided with filled slope
Chi 401 is controlled, each cylinder inwall of demarcating is burnishing surface, and silicon layer is set on burnishing surface（Do not shown in figure）, set on silicon layer poly-
Tetrafluoroethene film（Do not shown in figure）, in other embodiments can also according to demand from required number, required diameter with
And the demarcation cylinder of required wall thickness；Reaction frame column 2, which is provided with, to be used to reaction frame back timber 3 being fixed on difference on reaction frame column 2
The attachment structure of position, in the present embodiment, reaction frame back timber 3 includes reaction frame secondary beam 301, detachable with reaction frame secondary beam both ends
Two reaction frame girders 302 being fixedly connected, the both ends of each reaction frame girder are fixedly connected with column sleeve 303, connection knot
Structure is the pin-and-hole 8 that is equidistantly opened up on reaction frame column 2, and column sleeve 8 passes through the bearing pin and pin that are plugged on the column sleeve
The fixation of the diverse location on reaction frame column 2 is realized in the cooperation in hole 8；Set on multi-functional bottom plate 1 multiple for corresponding placement
The locating slot 104 of the demarcation cylinder, each locating slot 104 has identical geometric center and the geometric center is located at loaded member axis
On, in the present embodiment, locating slot 104 is circular trough, and geometric center is the center of circle of each circular trough, for miniature soil pressure cell
Multi-functional caliberating device is additionally provided with the plugging plate for blocking each locating slot 104（Do not shown in figure）, the present embodiment it is multi-functional
Fixing hole 102 and the threading hole 103 connected with fixing hole are set on bottom plate, closure thin slice is detachably set on fixing hole 102
（Do not shown in figure）, so when testing embedded micro soil pressure cell, the bottom of embedded micro soil pressure cell is inserted
Enter fixing hole 102 and lead passes through threading hole 103, when needing to test the miniature soil pressure cell of flush type, with envelope
Stifled thin slice blocks fixing hole 102；Four leveling bolts 101 are set on multi-functional bottom plate, for ensureing multi-functional bottom plate 1
Keep level, prevent influences the accuracy of experiment because multi-functional bottom plate 1 tilts；In the present embodiment, loaded member 5 is I-shaped
Type load plate, including top plate 501, column 502 and bottom plate, bottom plate is by steel plate 503 and is pasted onto the silica gel pressure of the bottom of steel plate 503
Plate 504 is formed, and reaction frame column includes column body and is fixed on the connecting plate 9 of column body bottom portion, and connecting plate 9 passes through bolt
10 are detachably fixed and are connected on multi-functional bottom plate 1.
The multi-functional caliberating device for miniature soil pressure cell of the present embodiment, using the locating slot on multi-functional bottom plate with
Different-diameter demarcates the cooperation of cylinder, same miniature soil pressure cell can be demarcated in cylinder in different-diameter and carry out soil mark examination respectively
Test, each soil mark experiment can be by the different pressure of hydraulic jack hierarchical loading, so as to show that different-diameter demarcation cylinder is right
The size and trend of influence and the influence of soil mark test data, these results can mark the design and soil of experimental rig to soil
Mark experiment is instructed so that technical staff can choose suitable demarcation according to experiment demand and the error requirements of calibration coefficient
Cylinder, the problem of avoiding blindly causing calibration coefficient randomness increase using cylinder is demarcated, for the soil mark examination of identical test requirement
Test, technical staff can choose identical experimental rig and test method according to above-mentioned guidance, so as to draw consistent demarcation system
Number.Meanwhile reaction frame back timber is fixed on diverse location attachment structure and pressure sensor, hydraulic jack on reaction frame column
The loading structure that top, loaded member are formed, can carry out the experiment of the miniature soil pressure cell of wide range, not only ingenious in design, simple in construction,
It is cheap, it is easy to operate, and solve preloading mode in the prior art and can not carry out the mark of the miniature soil pressure cell of wide range
Surely the problem of testing.
Filled slope control chi is respectively provided with each demarcation cylinder inwall of the present embodiment, filled slope control chi can simply have
The filled slope of the miniature soil pressure cell above and below of control of effect, the convenient estimation for loading sedimentation value, to show that difference is filled out
Soil thickness marks the size and trend of influence and the influence of test data to soil, and these results can be set to soil mark experimental rig
Meter and soil mark experiment are instructed；Each demarcation cylinder inwall is burnishing surface, and silicon layer is set on burnishing surface, is set on silicon layer poly-
Tetrafluoroethene film, said structure greatly reduce influence of the demarcation cylinder inwall frictional force to rating test result；Each locating slot
It is located at identical geometric center and the geometric center on the loaded member axis, prevents that occurring demarcation cylinder in loading procedure adds
Carry the skew of position and caused error, when acting on big demarcation cylinder experiment of plugging plate, the positioning inside closure demarcation cylinder
Groove, the bottom surface for ensureing to keep demarcating in cylinder during different-diameter demarcation cylinder experiment is smooth, and this is extremely important to contrast test；
Fixing hole and the threading hole connected with fixing hole are set on multi-functional bottom plate, closure thin slice is detachably set on fixing hole, should
Structure make it that the multi-functional caliberating device of the present invention can not only be tested the miniature soil pressure cell of flush type but also can
Embedded micro soil pressure cell is tested, simple and ingenious structure, has expanded trial stretch significantly；Loaded member adds to be I-shaped
Support plate, including top plate, column and bottom plate, it is simple in construction, it is in light weight, it is convenient on top plate that dial gauge 11 is set, bottom plate by steel plate with
And it is pasted onto the silica gel pressing plate composition of steel plate bottom so that have soft, uniform force of being banketed when can ensure to push during bottom plate is firm；It is vertical
The cooperation of column sleeve cylinder and attachment structure causes fixation of the reaction frame back timber for the diverse location on reaction frame column, for not same amount
When the soil pressure cell and the different hydraulic jacks of needs and sensor of journey, in that context it may be convenient to adjust the position of reaction frame back timber
Put, so as to obtain suitably loading space, simple in construction, cost is low, easy to operate, very useful；Reaction frame column includes vertical
Post body and the connecting plate for being fixed on column body bottom portion, connecting plate is detachably fixed by bolt is connected to multi-functional bottom plate
On, dismounting is easy to maintenance.
In other embodiments of the invention, it is unlike the embodiments above, the reaction frame secondary beam of reaction frame back timber and
Two reaction frame girders can also be wholely set；In other embodiments of the invention, it is unlike the embodiments above, it is located at
Loaded member below hydraulic jack can also be steel column；In other embodiments of the invention, it is unlike the embodiments above
It is, in addition to the perforate backing plate for being placed on the multi-functional bottom plate, choose different hardness or material when experiment
Backing plate, to draw influence of the property factor of embedded micro soil pressure cell adjacent material to calibration coefficient.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (9)
1. the multi-functional caliberating device for miniature soil pressure cell, it is characterised in that:Including multi-functional bottom plate, located at more work(
Reaction frame column that can be on bottom plate, the reaction frame back timber on the reaction frame column, below the reaction frame back timber
Pressure sensor, the hydraulic jack below the pressure sensor, the loading below the hydraulic jack
Part and the ascending multiple demarcation cylinders of diameter, the reaction frame column, which is provided with, to be used to the reaction frame back timber being fixed on
The attachment structure of diverse location on reaction frame column, set on the multi-functional bottom plate and multiple be used to corresponding lay the demarcation cylinder
Locating slot, each locating slot has identical geometric center and the geometric center is located on the loaded member axis.
2. the multi-functional caliberating device according to claim 1 for miniature soil pressure cell, it is characterised in that：Each mark
Filled slope control chi is respectively provided with the inwall of safety barrel.
3. the multi-functional caliberating device according to claim 2 for miniature soil pressure cell, it is characterised in that：Each demarcation cylinder
Inwall is burnishing surface, and silicon layer is set on the burnishing surface, polytetrafluoroethylene film is set on the silicon layer.
4. the multi-functional caliberating device according to claim 1 for miniature soil pressure cell, it is characterised in that：Also include using
In the plugging plate for blocking each locating slot.
5. the multi-functional caliberating device for miniature soil pressure cell according to claim 1 or 2 or 3, it is characterised in that：Institute
State and fixing hole and the threading hole connected with the fixing hole are set on multi-functional bottom plate, it is detachable on the fixing hole that envelope is set
Stifled thin slice.
6. the multi-functional caliberating device for miniature soil pressure cell according to claim 1 or 2 or 3, it is characterised in that：Institute
State the multiple leveling bolts for being provided for ensureing multi-functional bottom plate keep level on multi-functional bottom plate.
7. the multi-functional caliberating device for miniature soil pressure cell according to claim 1 or 2 or 3, it is characterised in that：Institute
It is I-shaped load plate to state loaded member, including top plate, column and bottom plate, and the bottom plate is by steel plate and is pasted onto steel plate bottom
Silica gel pressing plate is formed.
8. the multi-functional caliberating device for miniature soil pressure cell according to claim 1 or 2 or 3, it is characterised in that：Institute
Stating reaction frame back timber includes reaction frame secondary beam, be connected two reaction frame masters is detachably fixed with the reaction frame secondary beam both ends
Beam, the both ends of each reaction frame girder are fixedly connected with column sleeve, and the attachment structure is in the reaction frame column
On the pin-and-hole that equidistantly opens up, the cooperation that the column sleeve passes through the bearing pin and pin-and-hole being plugged on the column sleeve realizes
The fixation of diverse location on the reaction frame column.
9. the multi-functional caliberating device for miniature soil pressure cell according to claim 1 or 2 or 3, it is characterised in that：Also
Including the perforate backing plate for being placed on the multi-functional bottom plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021295.6A CN106404280B (en) | 2016-11-21 | 2016-11-21 | Multi-functional caliberating device for miniature soil pressure cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021295.6A CN106404280B (en) | 2016-11-21 | 2016-11-21 | Multi-functional caliberating device for miniature soil pressure cell |
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| CN106404280A CN106404280A (en) | 2017-02-15 |
| CN106404280B true CN106404280B (en) | 2017-12-01 |
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| CN201611021295.6A Expired - Fee Related CN106404280B (en) | 2016-11-21 | 2016-11-21 | Multi-functional caliberating device for miniature soil pressure cell |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940231B (en) * | 2017-04-09 | 2023-12-15 | 河南工业大学 | Test method and device for measuring silo bulk material pressure and sidewall friction force |
| CN107386249B (en) * | 2017-07-13 | 2019-05-10 | 武汉大学 | A kind of soil pressure cell inbuilt device and the soil pressure cell method for embedding using the device |
| CN107328522B (en) * | 2017-08-09 | 2019-06-25 | 武汉科技大学 | A kind of soil pressure cell caliberating device and its application method |
| CN112082876A (en) * | 2020-09-30 | 2020-12-15 | 东华理工大学 | Soil pressure cell test system and using method thereof |
| CN113654721B (en) * | 2021-09-13 | 2022-08-30 | 中国地质大学（武汉） | Calibration method of pressure sensor considering characteristics of soil-structure contact surface |
| CN113790829B (en) * | 2021-10-12 | 2024-05-03 | 中国科学院武汉岩土力学研究所 | Soil horizontal stress testing method based on film pressure sensor |
| CN115265439B (en) * | 2022-08-26 | 2024-06-28 | 中国地质大学（武汉） | Soil body horizontal displacement and pressure measurement device and method based on elastic bag deformation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU607123A1 (en) * | 1976-12-06 | 1978-05-15 | Предприятие П/Я М-5828 | Soil pressure sensor calibrating apparatus |
| SU968637A1 (en) * | 1980-08-04 | 1982-10-23 | Донецкий Государственный Проектный И Научно-Исследовательский Институт Промышленного Строительства "Донецкий Промстройниипроект" Госстроя Ссср | Device for calibration of soil pressure sensors |
| CN101463598B (en) * | 2008-12-30 | 2011-08-17 | 中国科学院武汉岩土力学研究所 | In situ calibrating device for soil pressure box and method therefor |
| CN104848988B (en) * | 2015-05-14 | 2017-05-24 | 浙江大学 | Simple calibration apparatus of embedded earth pressure box in sandy soil medium |
| CN106017792A (en) * | 2016-07-07 | 2016-10-12 | 合肥学院 | Simple device for simultaneous calibration of three earth pressure boxes |
| CN206177510U (en) * | 2016-11-21 | 2017-05-17 | 郑州大学 | A multi -functional calibration device for miniature soil pressure cell |
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2016
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