CN110146385A - A kind of consolidation apparatus and measurement method - Google Patents
A kind of consolidation apparatus and measurement method Download PDFInfo
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- CN110146385A CN110146385A CN201910470927.4A CN201910470927A CN110146385A CN 110146385 A CN110146385 A CN 110146385A CN 201910470927 A CN201910470927 A CN 201910470927A CN 110146385 A CN110146385 A CN 110146385A
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- consolidation
- container
- mandril
- workbench
- electric resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0085—Compressibility
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The present invention relates to a kind of consolidation apparatus and measurement method, including consolidation container, workbench, hydraulic loading device and electric resistance measuring apparatus, the hydraulic loading device and electric resistance measuring apparatus are connect with controller, and the consolidation container is set on workbench；The loading measurement system is set to the opening of consolidation container, and the hydraulic loading device includes the hydraulic pressure chamber for loading mandril and the movement of drive load mandril；The electric resistance measuring apparatus include resistance room, set on resistance room end measurement mandril and with the electric resistance sensor that connect of measurement mandril；The load mandril gos deep into the inside of consolidation container, to pressurize to the sample in consolidation container；The measurement mandril and consolidation container contradict, to incude the pressure change in the consolidation container, the resistance room is to convert the resistance change that electric resistance sensor can measure for the pressure variety, consolidation apparatus in the present invention, stability is strong, experimental precision is high, meets practical application request.
Description
Technical field
Geotechnical engineering technical field of experiment equipment of the present invention, more particularly to a kind of consolidation apparatus and measurement method.
Background technique
Soil solidifying refers to that under outer load action, the intracorporal water of soil, gas are slowly discharged, and what volume was gradually reduced shows
As.Consolidation test is the test to measure compression property of soil under the conditions of having lateral confinement after receiving pressure at right angle.Sample is existed
Lateral confinement and allow to gradually increase pressure in the container axially drained, measures the relationship of pressure and sample deformation or void ratio, deformation
With the relationship of time, so as to calculate soil unit settling amount, the compressed coefficient, cake compressibility, swelling index, compression modulus, consolidation
Coefficient and the preconsolidation pressure of undisturbed soil etc..
Conventional high-tension consolidation apparatus generally includes consolidation box, loading system and displacement measurement system.Wherein loading system is by weight
Code, lever and increased pressure frame composition still manually apply counterweight by applying the control that counterweight carries out vertical stress to sample
When have certain impact force, have certain disturbance to sample；And it is easy to be interfered by external factor, pressure transient；In addition, counterweight
It is easy to produce lever eccentric phenomenon with the composition form of lever, influences the precision of test.
Wherein, existing displacement measurement system is usually made of displacement meter guide rod, displacement meter frame and amesdial or dial gauge,
Although improving the precision of measurement to a certain extent using the reading form of amesdial or dial gauge, in operation and calculating
The problems such as very complicated, the deviation of data acquisition, the error of test apparatus is to improve one of measurement efficiency and the difficult point of precision.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of stability is strong, the high consolidation apparatus of experimental precision and
Measurement method.
A kind of consolidation apparatus, including including consolidation container, workbench, hydraulic loading device and electric resistance measuring apparatus, the liquid
Pressure loading device and electric resistance measuring apparatus are connect with controller, and the consolidation container is set on workbench；Load measurement system
System is set to the opening of consolidation container, and the hydraulic loading device includes loading mobile hydraulic of mandril and drive load mandril
Room；The electric resistance measuring apparatus includes resistance room, connect set on the measurement mandril of resistance room end and with the measurement mandril
Electric resistance sensor；The load mandril gos deep into the inside of consolidation container, to pressurize to the sample in consolidation container；The measurement
Mandril and consolidation container contradict, and to incude the pressure change in the consolidation container, the resistance room is to by the pressure
Variable quantity is converted into the resistance change that electric resistance sensor can measure.
The consolidation apparatus proposed according to the present invention loads vertically sample using hydraulic way by the hydraulic loading device
The load in direction, stability is strong, the variation of load-carrying ability will not be led to because of ambient enviroment vibration, and then ensure that load loads
Reliability and precision；It is measured by the resistance measuring system and is displaced and displacement result is fed back into controller, the control
Device can be carried out automatically the process of operation or Control Assay measurement by preset program or instruction, can be realized the automatic of test process
Change control and the acquisition of data arranges.Using servo closed control, system accuracy is high, and opened loop control can be overcome to test essence
The influence of degree.It is measured using resistance measuring equipment, reduce the accidental error caused by manually reading or gross error and indicates logical
Instrument error caused by being read with dimensional measuring instrument can effectively improve soil while meeting test measurement area requirement
The precision of body consolidation displacement measurement.Further, since system accuracy is high using servo closed control, opened loop control can be overcome
Influence to test accuracy；Controller can also control one or more loading measurement systems simultaneously simultaneously, to pass through setting
Multiple groups independent samples realize and cooperate referring to comparison.
In addition, the consolidation apparatus provided according to the present invention, can also have the following additional technical features:
Further, the resistance room includes shell and the conducting block for being disposed in the housing portion, the shell and conductive
Resin-insulated material layer is filled between block, the conducting block is connect with electric resistance sensor.
Further, the conducting block include two metallic conduction pieces being oppositely arranged and be set to two metallic conduction pieces it
Between conductive material.
Further, the consolidation container includes shell and the inner box set on the interior of shell, and the inner box includes shield
Ring and lead ring, the inside of the inner box have been sequentially placed porous disc, the first filter paper, sample, the second filter paper, permeable stone from lower to upper
And pressure cap, the pressure cap are equipped with the loading bolt through the shell.
Further, the upper surface and the lower surface of the workbench is respectively equipped with horizontal bubble and level(l)ing device, institute
Level(l)ing device is stated for being adjusted according to the levelness of the horizontal bubble to the levelness of the workbench.
Further, the lower end of the workbench is additionally provided with shock insulation bracket, the shock insulation bracket include rack body and every
Support is shaken, the quantity of the shock isolating pedestal is two, and two shock isolating pedestals are respectively arranged on the upper and lower ends of rack body, on
The shock isolating pedestal at end is connect with workbench, the shock isolating pedestal and ground face contact of lower end.
Further, shock isolating pedestal includes upper steel plate, lower steel plate and rubber damping pad, and the rubber damping pad is located at upper steel
Between plate and lower steel plate, the upper steel plate, lower steel plate and rubber damping pad are bolted.
Further, the anchor pole for upwardly extending and extending downwardly, the anchor are respectively equipped on the upper steel plate and lower steel plate
The end of bar is equipped with sleeve, and the lower end of the workbench is equipped with the limited post with the sleeve mating reaction.
A kind of consolidation apparatus measurement method, wherein the consolidation apparatus measurement method is realized based on above-mentioned consolidation apparatus；
The described method includes:
When receiving load instruction, sample of the hydraulic loading system into consolidation container applies axial stress σ；
The vertical deformation amount s of sample in consolidation container is forwarded to the controller by the electric resistance measuring apparatus；
When stating vertical deformation quantity less than preset value, then the sample in the consolidation container is qualified, the controller output one
The indication signal of test passes.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of consolidation apparatus during the present invention is implemented；
Fig. 2 is the structural schematic diagram of consolidation container in a kind of consolidation apparatus shown in FIG. 1；
Fig. 3 is the structural schematic diagram of shock insulation bracket in a kind of consolidation apparatus shown in FIG. 1；
Fig. 4 is the structural schematic diagram of hydraulic loading device in loading measurement system in Fig. 1；
Fig. 5 is the structural schematic diagram of electric resistance measuring apparatus in loading measurement system in Fig. 1；
Fig. 6 is a kind of flow chart of consolidation apparatus measurement method during the present invention is implemented.
Main element symbol description:
| Consolidation container | 10 | Shell | 11 |
| Inner box | 12 | Retaining ring | 121 |
| Lead ring | 122 | Porous disc | 123 |
| First filter paper | 124 | Sample | 125 |
| Second filter paper | 126 | Permeable stone | 127 |
| Pressure cap | 128 | Loading bolt | 129 |
| Workbench | 20 | Horizontal bubble | 21 |
| Level(l)ing device | 22 | Shock insulation bracket | 23 |
| Rack body | 231 | Shock isolating pedestal | 232 |
| Upper steel plate | 2321 | Lower steel plate | 2322 |
| Rubber damping pad | 2323 | Hydraulic loading device | 31 |
| Hydraulic pressure chamber | 311 | Load mandril | 312 |
| Carry box cover | 313 | Electric resistance measuring apparatus | 32 |
| Resistance room | 321 | Shell | 3211 |
| Conducting block | 3122 | Measure mandril | 322 |
| Electric resistance sensor | 323 | Controller | 40 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
To keep objects, features and advantages of the present invention more obvious and easy to understand, with reference to the accompanying drawing to tool of the invention
Body embodiment is described in detail.Several embodiments of the invention are given in attached drawing.But the present invention can be with many not
With form realize, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to this
The disclosure of invention is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.Term " and or " used herein include the arbitrary of one or more relevant listed items and
All combinations.
As shown in Figures 1 to 5, a kind of consolidation apparatus, including consolidation container 10, workbench 20, loading measurement system and with institute
The controller 40 of loading system connection is stated, the consolidation container 10 is set on workbench 20, and the loading measurement system is set to solid
The opening of container 10 is tied, the controller 40 is deeply tied in container 10 by controlling loading measurement system to consolidation container 10
Interior sample pressurization is finally completed the load load and the measurement of result of sample.
Further, it includes shell 11 and the inner box 12 inside the shell 11 that the consolidation, which holds 10 devices,.Wherein, originally
In embodiment, the shell 11 is made of water-keeping material crosslinked resin, and is equipped with corresponding moisturizing device, and the moisturizing device is used
In keeping constant the humidity of sample in 11 inside of shell and inner box 12, in other embodiments of the present invention, for making
The water-keeping material of the shell 11 can also be ionic superabsorbent, non-ionic superabsorbent and both sexes
One of type superabsorbent is a variety of.
Wherein, the inner box 12 include retaining ring 121 and lead ring 122, the retaining ring 121 be sheathed on the periphery of lead ring 122 with
The lead ring 122 is protected, the lead ring 122 is for being oriented to the sample and relative article that are placed in inner box 12.
Wherein, the inside of the inner box 12 has been sequentially placed porous disc 123, the first filter paper 124, sample 125, the second filter paper from lower to upper
126, permeable stone 127 and pressure cap 128, the pressure cap 128 are equipped with the loading bolt 129 through the shell 11.
Further, the upper surface and the lower surface of the workbench 20 is respectively equipped with horizontal bubble 21 and level(l)ing device
22, the level(l)ing device 22 is used to carry out the levelness of the workbench 20 according to the levelness of the horizontal bubble 21
Adjustment.It should be understood that by the setting of the horizontal bubble 21 and level(l)ing device 22, in order to the workbench 20
Levelness be adjusted, avoid the out-of-flatness due to the workbench 20 and to the test result of sample 125 in consolidation box
Large effect is caused, practical application request is met.
Further, the lower end of the workbench 20 is additionally provided with shock insulation bracket 23, and the shock insulation bracket 23 includes bracket sheet
Body 231 and shock isolating pedestal 232 can be improved the workbench 20 by the design of the rack body 231 and shock isolating pedestal 232
Buffering anti-seismic performance, and there is certain intensity, avoid loading measurement system 30 and the consolidation that is placed on workbench 20 is held
When device 10 carries out load load, make on workbench 20 since the load loaded is excessive or the influence of other machines and noise
Consolidate the situation that box vibration, displacement or workbench 20 damage.In the present embodiment, the quantity of the shock isolating pedestal 232 is two, two
A shock isolating pedestal 232 is respectively arranged on the upper and lower ends of rack body 231, the shock isolating pedestal 232 and workbench 20 of upper end
Connection, the shock isolating pedestal 232 and ground face contact of lower end.
Wherein, the shock isolating pedestal 232 includes upper steel plate 2321, lower steel plate 2322 and rubber damping pad 2323.The rubber
Glue damping pad 2323 is between upper steel plate 2321 and lower steel plate 2322, the upper steel plate 2321, lower steel plate 2322 and rubber resistance
Buddhist nun's pad 2323 is bolted.It should be understood that passing through the upper steel plate 2321, lower steel plate 2322 and rubber damping pad 2323
Design further improve the intensity and cushion performance of the shock isolating pedestal 232.
In addition, being respectively equipped with the anchor pole for upwardly extending and extending downwardly, institute on the upper steel plate 2321 and lower steel plate 2322
The end for stating anchor pole is equipped with sleeve, and the lower end of the workbench 20 is equipped with the limited post with the sleeve mating reaction.It can manage
Solution, by the design of the anchor pole, sleeve and limited post, facilitate the shock isolating pedestal 232 with workbench 20 by engaging limit
The mode of position is attached, easy to disassemble.
Further, the loading measurement system includes hydraulic loading device 31 and electric resistance measuring apparatus 32.It is understood that
, load the load of vertical direction to sample 125 using hydraulic way by the loading device, stability is strong, will not be because of
Ambient enviroment shakes and causes the variation of load-carrying ability, and then ensures the reliability and precision of load load；Pass through the resistance
Displacement result is simultaneously fed back to controller 40 by measuring system measurement displacement, the controller 40 can by preset program or instruction from
The dynamic process for carrying out operation or Control Assay measurement, the acquisition of the automation control and data that can be realized test process arrange.
Wherein, the hydraulic loading device 31 include hydraulic pressure chamber 311, set on 311 end of hydraulic pressure chamber load mandril 312 and
Load box cover 313 set on load 312 end of mandril.The hydraulic pressure chamber 311 is electrically connected with controller 40, can be adopted when specifically used
It is attached with transmission data wire, the controller 40 is used to be set to 311 end of hydraulic pressure chamber by the control driving of hydraulic pressure chamber 311
Load mandril 312 is moved towards the direction close to or far from consolidation container 10, to make to be set to adding for load 312 end of mandril
The load that box cover 313 carries out load to the sample 125 in consolidation container 10 is carried, is loaded in box cover 313 and consolidation container 10 at this time
Sample 125 be in close contact, be more uniformly stressed.
Further, the electric resistance measuring apparatus 32 includes resistance room 321, the measurement mandril set on 321 end of resistance room
322 and with the electric resistance sensor 323 that connect of measurement mandril 322, the electric resistance sensor 323 is connect with controller 40, electric
Resistance sensor 323 is used for the load box cover 313 by contacting with the load mandril 312 to the sample in the consolidation container 10
125 measure.
Wherein, the resistance room 321 includes shell 3211 and the conducting block 3122 inside the shell 3211.It is described
Resin-insulated material layer is filled between shell 3211 and conducting block 3122, the conducting block 3122 includes two and is oppositely arranged
Metallic conduction piece and the conductive material between two metallic conduction pieces, the metallic conduction piece and the electric resistance sensor
323 connections, the electric resistance sensor 323 are electrically connected by transmission data wire with the controller 40.The electric resistance sensor 323
Change in resistance for being generated according to the conductive metal pad wear measured to measure the abrasion distance of metal structure, and then is surveyed
The deflection of sample 125 out.Reduce the accidental error caused by manually reading or gross error and indicates general linear measure longimetry
Instrument error caused by tool readings can effectively improve soil solidifying displacement while meeting test measurement area requirement
The precision of measurement.
Consolidation apparatus proposed by the present invention loads vertical direction to sample using hydraulic way by the hydraulic loading device
Load, stability is strong, the variation of load-carrying ability will not be led to because ambient enviroment shakes, and then ensure load load can
By property and precision；It is measured by the resistance measuring system and is displaced and displacement result is fed back into controller, the controller can
The process for carrying out operation or Control Assay measurement automatically by preset program or instruction, can be realized the automation control of test process
The acquisition of system and data arranges.Using servo closed control, system accuracy is high, opened loop control can be overcome to test accuracy
It influences.It is measured using resistance measuring equipment, reduce the accidental error caused by manually reading or gross error and indicates general length
Instrument error caused by measuring tool is read is spent, while meeting test measurement area requirement, it is solid that the soil body can be effectively improved
Tie the precision of displacement measurement.Further, since system accuracy is high using servo closed control, opened loop control can be overcome to examination
Test the influence of precision；Controller can also control one or more loading measurement systems simultaneously simultaneously, to pass through the more of setting
Group independent samples realize and cooperate referring to comparison.
Referring to Fig. 6, a kind of consolidation apparatus measurement method, this method based on the above embodiment any one consolidation apparatus it is real
It is existing；
The described method includes:
Step S101, when receiving load instruction, sample of the hydraulic loading system into consolidation container applies
Axial stress σ.
The vertical deformation amount s of sample in consolidation container is forwarded to the control by step S102, the electric resistance measuring apparatus
Device.
Step S103, when stating vertical deformation quantity less than preset value, then the sample in the consolidation container is qualified, the control
Device exports the indication signal of a test passes.
The technical solution of the present embodiment uses hydraulic way by the loading device when receiving load instruction
To the load of sample load axial stress σ, stability is strong, and the variation of load-carrying ability will not be caused because of ambient enviroment vibration,
And then ensure the reliability and precision of load load；The vertical shape of sample in consolidation container is measured by the resistance measuring system
Displacement result is simultaneously fed back to controller by variable s, and the controller can be operated or be controlled automatically by preset program or instruction
The acquisition of the process of system, the automation control and data that can be realized test process arranges.When state vertical deformation quantity be less than it is default
Value, then the sample in the consolidation container is qualified, and the controller exports the indication signal of a test passes.Using servo closed loop
Control, system accuracy is high, can overcome influence of the opened loop control to test accuracy；It is measured, is reduced using resistance measuring equipment
Instrument error caused by the accidental error caused by manually reading or gross error and the general dimensional measuring instrument of expression are read,
While meeting test measurement area requirement, the precision of soil solidifying displacement measurement can be effectively improved.The present invention passes through control
Device carries out Automatic Control to the test process of consolidation apparatus, the mistake that can be operated or be controlled automatically by regulated procedure or instruction
The acquisition of journey, the automation control and data that can be realized test process arranges.Due to controller can control simultaneously one or
Multiple loading measurement systems, to realize and cooperate referring to comparison by the multiple groups independent samples of setting.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of consolidation apparatus, which is characterized in that including consolidation container (10), workbench (20), hydraulic loading device (31) and electricity
It hinders measuring device (32), the hydraulic loading device (31) and electric resistance measuring apparatus (32) are connect with controller (31), described solid
Container (10) are tied to be set on workbench (20)；
The hydraulic loading device (31) includes the hydraulic pressure chamber of load mandril (312) and drive load mandril (312) movement
(311)；The electric resistance measuring apparatus (32) includes resistance room (321), the measurement mandril (322) for being set to resistance room (321) end
And the electric resistance sensor (323) being connect with measurement mandril (322)；
Load mandril (312) gos deep into the inside of consolidation container (10), to pressurize to the sample in consolidation container (10)；Institute
It states measurement mandril (322) and consolidation container (10) contradicts, to incude the pressure change in the consolidation container (10), the electricity
Room (321) are hindered to convert the resistance change that electric resistance sensor (323) can measure for the pressure variety.
2. consolidation apparatus according to claim 1, which is characterized in that the resistance room (321) includes shell (3211) and sets
In the internal conducting block (3212) of the shell (3211), resin is filled between the shell (3211) and conducting block (3212)
Insulation material layer, the conducting block (3212) connect with electric resistance sensor (323).
3. consolidation apparatus according to claim 2, which is characterized in that the conducting block includes that two metals being oppositely arranged are led
Electric piece and the conductive material between two metallic conduction pieces.
4. consolidation apparatus according to claim 1, which is characterized in that the consolidation container (10) includes shell (11) and is set to
The internal inner box (12) of the shell (11), the inner box (12) includes retaining ring (121) and lead ring (122), the inner box (12)
Inside be sequentially placed from lower to upper porous disc (123), the first filter paper (124), sample (125), the second filter paper (126), thoroughly
Water stone (127) and pressure cap (128), the pressure cap (128) are equipped with the loading bolt (129) through the shell (11).
5. consolidation apparatus according to claim 1, which is characterized in that the upper surface and the lower surface of the workbench (20) is distinguished
Equipped with horizontal bubble (21) and level(l)ing device (22), the level(l)ing device (22) is used for according to the horizontal bubble
(21) levelness is adjusted the levelness of the workbench (20).
6. consolidation apparatus according to claim 1, which is characterized in that the lower end of the workbench (20) is additionally provided with shock insulation bracket
(23), the shock insulation bracket (23) includes rack body (231) and shock isolating pedestal (232), the quantity of the shock isolating pedestal (232)
It is two, two shock isolating pedestals (232) are respectively arranged on the upper and lower ends of rack body (231), the shock isolating pedestal of upper end
(232) it is connect with workbench (20), the shock isolating pedestal (232) and ground face contact of lower end.
7. consolidation apparatus according to claim 6, which is characterized in that the shock isolating pedestal (232) include upper steel plate (2321),
Lower steel plate (2322) and rubber damping pad (2323), the rubber damping pad (2323) are located at upper steel plate (2321) and lower steel plate
(2322) between, the upper steel plate (2321), lower steel plate (2322) and rubber damping pad are connected by bolt (2323).
8. consolidation apparatus according to claim 7, which is characterized in that divide on the upper steel plate (2321) and lower steel plate (2322)
The end of the anchor pole that She You do not upwardly extended and extend downwardly, the anchor pole is equipped with sleeve, and the lower end of the workbench is equipped with
With the limited post of the sleeve mating reaction.
9. a kind of consolidation apparatus measurement method, which is characterized in that the consolidation apparatus measurement method is based on any one of claim 1-8
The consolidation apparatus is realized；
The described method includes:
When receiving load instruction, sample of the hydraulic loading system into consolidation container applies axial stress σ；
The vertical deformation amount s of sample in consolidation container is forwarded to the controller by the electric resistance measuring apparatus；
When stating vertical deformation quantity less than preset value, then the sample in the consolidation container is qualified, one test of controller output
Qualified indication signal.
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|---|---|---|---|
| CN201910470927.4A CN110146385A (en) | 2019-05-31 | 2019-05-31 | A kind of consolidation apparatus and measurement method |
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| CN201910470927.4A CN110146385A (en) | 2019-05-31 | 2019-05-31 | A kind of consolidation apparatus and measurement method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461687A (en) * | 2021-01-22 | 2021-03-09 | 中国科学院地质与地球物理研究所 | Working condition adjusting device and method for Hopkinson bar sandy soil dynamic compression test |
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