CN106840810A - A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face - Google Patents
A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face Download PDFInfo
- Publication number
- CN106840810A CN106840810A CN201710235660.1A CN201710235660A CN106840810A CN 106840810 A CN106840810 A CN 106840810A CN 201710235660 A CN201710235660 A CN 201710235660A CN 106840810 A CN106840810 A CN 106840810A
- Authority
- CN
- China
- Prior art keywords
- shear
- preparation
- soil sample
- plate
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- 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
-
- 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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of ring shear test suitable for vertical shearing face and preparation of soil sample device, including shear box, jacking system, dynamic rotation system, monitor control system, preparation of soil sample system and framework, shear plate is fixed on annular bottom plate along annular bottom plate is radially uniform, shear box outer cover cover is buckled on annular bottom plate and shear plate, assembled by sliver and guide groove with annular bottom plate and fixed, shear box outer cover is connected with the rotary arm of dynamic rotation system, transmitting torque, shaft coupling pressing plate centering is embedded in the centre bore of the outer cowl top panel of shear box, and being driven by jacking system carries out normal force loading, annular bottom plate centering is nested on cylindrical support platform, under rotating torque effect, annular bottom plate drive shear plate carries out the interior cylindrical side as vertical shearing face produced by circular motion；The present invention is able to ensure that on shear surface that shear displacemant and distribution of shear stress are uniform, and the thickness in vertical shearing face is unrestricted, has the function that prepared by sample and vertical shearing is tested concurrently.
Description
Technical field
The present invention relates to a kind of ring shear test instrument, and in particular to a kind of ring shear test and soil sample suitable for vertical shearing face
Preparation facilities, belongs to soil test engineering device technique field.
Background technology
Direct shear apparatus and simple shear apparatus are the relatively early earthwork test Instruments for being applied to the research of soil body shearing-resistance characteristic.However, both
Instrument is limited in that the soil body shearing test that can neither realize larger displacement, it is also difficult to shear surface is kept in process of the test
Product is constant.Until the appearance of ring shear apparatus, two above difficult point is just addressed, while also assures that sample can be in continuous displacement
Under the conditions of sheared.
The development of ring shear apparatus starts from the twenties in 20th century.The ring shear apparatus design concept of early stage is relatively simple, and function compares
It is single, typically it is mainly used in studying residual strength property of the soil body after shear surface generation；Then, scientific and technical development also band
Moved ring shear apparatus update with it is perfect, apparent raising has been obtained in terms of test accuracy first, additionally, the work(of instrument
Variation can be started, since most simple soil strength research can only be carried out and gradually expand to that soil body failure by shear can be carried out
The research of process.During this period, Kyoto Univ Japan marches at the forefront of the world in the research and development field of ring shear apparatus device.Wherein assistant assistant is respectful
The high speed ring shear test instrument that the successes such as two professors are developed, can not only realize computer whole-process control, but also can be by scene
The altitude simulation (the dynamic load environment such as such as earthquake, groundwater environment etc.) of geological conditions is sent out come slip-crack surface in disclosing process of landslides
Raw STRESS VARIATION, pore water pressure change and possible liquefaction phenomenon.Most importantly, this ring shear apparatus realizes height
Speed shearing (shear rate is up to 300cm/s), this performance provides experiment base for the research of high-speed shadowgraph technique genesis mechanism
Plinth.
These above-mentioned ring shear apparatus are typically all to be designed based on following characteristics：The normal direction of shear surface and shearing angular speed
Direction vector is parallel.However, this feature can cause following problem：In shear history on whole shear surface angular speed it is consistent,
Displacement difference is cut along on radial direction shear surface by causing, so as to cause shearing stress distribution uneven.
Therefore, designer reduces the shear stress of inside and outside interannular with this generally by the sufficiently small of the thickness design of shearing ring
Gap, and cut displacement and shear stress to represent displacement and the stress on whole contact surface using at sample center ring, so that
Ignore the error that shearing stress distribution inequality causes.Consequently, it is possible to the shearing face thickness of this type ring shear apparatus is limited to smaller value,
Bulky grain presence is thus not allow in test sample.
But, in actual Geotechnical Engineering, particularly with regard to the landslide natural calamity field of rock-soil mass deformation and destruction, met
To rock soil mass types be extremely complex, wherein ground particle size is also not of uniform size, often there is large particulate matter, example
Such as block stone, rubble.And conventional ring shear test instrument is only applicable to the mechanics spy of small particle soil sample due to the limitation of size itself
Journal of Sex Research, is but almost difficult the true mechanical characteristic of the actual Rock And Soil of simulation.
Therefore, not enough (the shear surface shearing stress distribution inequality of two aspects above is had based on conventional ring shear apparatus；Shearing face thickness
Smaller, test sample is not allow for bulky grain presence, it is difficult to the true mechanical characteristic of the actual Rock And Soil of simulation), it is necessary to develop
A kind of new large-scale ring shear test instrument suitable for vertical shearing (shear plane method is to vertical with shearing angular velocity vector direction)
And the ground sample preparation device for matching therewith is not enough to make up above-mentioned both sides.
The content of the invention
Shear surface shearing stress distribution based on the presence of existing ring shear apparatus is uneven, shearing face thickness is smaller, test sample is not allowed
With the presence of the deficiency of bulky grain, the present invention is intended to provide it is a kind of be applied to vertical shearing, i.e. shear plane method to shearing angular speed
The vertical ring shear test instrument of direction vector, can be used to test the peak strength and residual strength of gravelly soil, and carrying out the soil body should soften
Change characteristic research, while the Research on Mechanical Properties suitable for soil under the conditions of big shear displacemant.And developing such ring shear apparatus
Meanwhile, in order to meet this kind of ring shear test instrument for demand prepared by experiment early stage ground sample, and in order to further complete
It is apt to such ring shear test equipment system, the present invention also designs a kind of preparation with the ground sample that such ring shear apparatus matches and fills
Put.Therefore, this invention address that developing a kind of ring shear test and preparation of soil sample device suitable for vertical shearing face.
Realize technical scheme that the object of the invention used for a kind of ring shear test and soil sample suitable for vertical shearing face
Preparation facilities, at least including shear box, jacking system, dynamic rotation system and framework, the shear box is including turning cell and not
Dynamic room two parts, wherein turning cell include shear box outer cover, annular bottom plate and more than the 1 piece shear plate placed vertically, shear plate
It is fixed on annular bottom plate along annular bottom plate is radially uniform, shear box outer cover cover is buckled on annular bottom plate and shear plate, described to cut
The cover cylinder and annular bottom plate for cutting box outer cover pass through to be arranged at sliver and guide groove assembling fixation therebetween, the top of shear box outer cover
Plate is ring flat-plate, offer thereon with shear plate quantity identical shear board slot, for shear plate insertion, the top board of shear box outer cover with
The rotary arm connection of dynamic rotation system, transmitting torque；The motionless room includes rubber washer, shaft coupling pressing plate and cylinder branch
Support platform, the shaft coupling pressing plate centering is embedded in the centre bore of the outer cowl top panel of shear box, and carries out method by jacking system driving
Loaded to power, the cylindrical support platform is connected with framework, and annular bottom plate centering is nested on cylindrical support platform, and
The size in gap between the two is controlled by rubber washer；Also include preparation of soil sample system, the preparation of soil sample system includes logical
Two groups of sample preparation units that landing set of rails is oriented to are crossed, two groups of pressure-like units are symmetrically distributed in shear box both sides, the pressure-like unit
It is made up of straight-line displacement Power Component and its semi-cylindrical backplate of driving, semi-cylindrical backplate is oriented to by landing set of rails,
Its internal diameter is identical with the diameter of sample to be pressed, and sample preparation sliver, institute are vertically provided with the intrados of semi-cylindrical backplate
State that sample preparation sliver is identical with the sliver shape inside shear box and position is corresponding.
The central protuberance of the cylindrical support platform, annular bottom plate centering is nested on the lug boss, in annular bottom plate
Lower wall ball is provided with and the remainder of cylindrical support platform between, lower wall ball is contacted with annular bottom plate lower surface.
The jacking system includes hydraulic elevator, frequency converter and hydraulic elevator platform, and hydraulic elevator is fixed on framework,
Lifted by transducer drive hydraulic elevator platform, shaft coupling pressing plate is connected with the vertical pivot for being arranged at hydraulic elevator platform center.
The hydraulic elevator platform is three layers of pyramidal structure, and hydraulic elevator is connected with upper strata, is installed on the lower surface of middle level
There is guide rail, bottom table top center is provided with a vertical pivot, the vertical pivot is connected with shaft coupling pressing plate.
The dynamic rotation system is installed on hydraulic elevator platform bottom, including motor, gear, hollow gear shaft, vertical axis
Hold and upper disk ball, the hollow gear shaft is set on the vertical pivot of hydraulic elevator platform, vertical axis are taken up assigned in therebetween, empty
The lower end of heart gear shaft is connected with rotary arm, upper disk ball be installed on hollow gear shaft top surface and with hydraulic elevator platform
Bottom table top is in contact, and the motor is installed on the guide rail in hydraulic elevator platform middle level by sliding block, and it is defeated that gear is installed on motor
Engaged with hollow gear shaft on shaft.
The framework includes base and is fixed on the two root posts of both sides before and after base, and hydraulic elevator is fixed on two and stands
On post, the left and right two ends on hydraulic elevator platform upper strata have guide hole, and the two root posts for framework are passed through, two groups of pressure-like units pair
Title is distributed in the left and right sides of shear box, is not interfere with each other with jacking system.
Also include monitor control system, monitor control system include controller, signal-transmitting cable, angular displacement sensor,
Rotating torque sensor and more than 2 earth pressure gauges, angular displacement sensor are arranged on rotary arm, rotating torque sensor peace
On middle part gear ring loaded on hollow gear shaft, each earth pressure gauge is uniformly distributed in the soil sample in shear box, angular displacement sensor,
Rotating torque sensor and earth pressure gauge are the hydraulic elevator of jacking system, dynamic by signal-transmitting cable access controller
The motor of power rotary system and the straight-line displacement Power Component of preparation of soil sample system control to run by controller.
The base of the framework is structure as a whole with cylindrical support platform, and the edge of frame base is provided with annular groove,
For the lower end insertion of shear box outer cover, rhone is provided with the middle part of cylindrical support platform, the notch surface of rhone is covered with one
Layer felt, one piece of water filter plate of laying in groove, bottom land is connected with drainpipe.
It is radially even on the lower surface of the shaft coupling pressing plate and on the upper surface of cylindrical support platform to set 2
Above raised line.
The landing set of rails includes that center is landed guide rail and is symmetrically distributed in the avris landing guide rail of its both sides, described
Straight-line displacement Power Component includes counter-force pedestal and the hydraulic telescopic machanism being mounted thereon.
As shown from the above technical solution, ring shear test and the preparation of soil sample dress suitable for vertical shearing face that the present invention is provided
Put, main body includes shear box, hydraulic lifting system, dynamic rotation system, framework, monitor control system and preparation of soil sample system six
Individual funtion part, its middle frame provides installation position for the installation of other functions part, and the column of the left and right sides of framework is main to use
In the transmission anti-active force for being applied to it of hydraulic lifting system, framework is fixed on cement flooring using big model bolt, makes it
Play a part of protection test equipment in process of the test and reaction of bearing is provided；The ring that shear box is used to carry out soil sample cuts examination
Test, including turning cell and motionless room two parts, shear box outer cover is to rotate transmission member, and shear box outer cover passes through with annular bottom plate
Sliver therebetween and guide groove assembling fixation are arranged at, cylindrical support platform is a part for frame base, while being again
One part of shear box, primarily serves support soil sample and provides the effect of buffer brake, cylindrical support platform middle part
The circular platform of protrusion constitutes the upper and lower interface of motionless room together with shaft coupling pressing plate, in cylindrical support tabletop of platform radially etc.
Angular distribution has a plurality of trapezoidal raised line, and cylindrical support platform surrounding depression constitutes annular groove, primarily to meeting shear box
Outer covering on during sample consolidates loading procedure has enough decline spaces；When rotary arm transmits vertical pressure, shear box outer cover
Can downwards be migrated along the guide groove opened up on annular bottom plate by the vertical sliver of madial wall, shear plate can be along shear box outer cover top
End face shearing board slot rises, and shearing board slot can allow shear plate to pass through along notch, and shaft coupling pressing plate can be in the control of hydraulic elevator platform
System is lower to be produced to bottom offset, applies vertical pressure to soil sample step by step, therefore can realize the transmission of the consolidation and soil pressure of soil sample,
A plurality of inverted trapezoidal raised line is radially angularly distributed with shaft coupling pressing plate bottom surface, when pushing, on shaft coupling pressing plate bottom surface and cylinder
Raised line on shape support platform table top is deeply rolled into the soil body jointly, plays a part of to maintain static indoor soil sample；Work as rotary arm
When providing rotating torque, shear box outer cover is and then rotated together, because the sliver of shear box outer cover madial wall blocks annular bottom plate
Guide groove, and shear plate block shear box outer cover top end face shearing board slot, therefore annular bottom plate along lower wall ball by with
Rotate together, turning cell is formed, along the radially uniform fixed polylith shear plate of annular bottom plate on annular bottom plate, by annular bottom plate pair
In be nested on the cylindrical support platform of frame base, and be provided with a circle elastic tape therebetween to control gap between the two
Size, while be laid with lower wall ball under annular bottom plate to facilitate the annular bottom plate to carry out fixed-axis rotation, in this way, in rotatory force
Under square effect, annular bottom plate drive shear plate carries out the interior cylindrical side as vertical shearing face produced by circular motion.
Hydraulic lifting system is connected with framework, including hydraulic elevator, frequency converter and hydraulic elevator platform, left and right hydraulic lifting
Machine is separately mounted on the column of the framework left and right sides, and frequency converter is used to adjust the elevation rate of hydraulic elevator, hydraulic lifting
Platform is in three layers of upper, middle and lower turriform on front view, and upper strata is cuboid thickness flat board, and its left and right two ends has guide hole, for
The two root posts of framework are extended there through, while upper strata two ends are connected with the hydraulic elevator being fixed on upright of frame, can make liquid
Pressure lifting platform is lifted under the driving of hydraulic elevator；Middle level be a size with respect to the less flat board in upper strata, with upper strata actually
Integrally, guide rail is installed on the lower surface of middle level, the motor for dynamic rotation system horizontally slips along guide rail；Bottom is a pressurization
Table top, table top center is welded with a vertical pivot, and the vertical pivot is mutually welded with shaft coupling pressing plate, it is constituted an entirety, plays to shaft coupling pressure
Plate transmits the effect of vertical pressure.
Dynamic rotation system is installed on hydraulic elevator platform bottom, including motor, gear, hollow gear shaft, vertical bearing and
Upper disk ball, hollow gear shaft is a hollow rotary vertical pivot, and its middle part is hollowed out so that foregoing vertical pivot is nested in
Wherein, the vertical bearing with ball is provided with inside hollow gear shaft, hollow gear shaft can be made arbitrarily to be rotated around center vertical pivot, it is empty
Upper disk ball is set on the end face of heart gear shaft top, and the region being located on the outside of vertical pivot with hydraulic elevator platform bottom directly offsets,
Both the consolidation pressure of hydraulic elevator platform applying can have been transmitted, hollow gear shaft can also rotates freely around vertical pivot；In hollow gear shaft
Portion protrusion gear ring with left and right two motor output shafts on gear be meshed, and by its with rotate hollow gear shaft bottom and
Four equally distributed rotary arm welding, can pass to shear box by rotating torque by rotary arm；Motor is arranged on preceding
On the guide rail in the text hydraulic elevator platform middle level, mutually nibbled with the gear ring on aforementioned hollow gear shaft by the gear on output shaft
Close, motor can by power pass to hollow gear shaft, when sample carry out early stage consolidate when, motor can slide to two along guide rail
Side, is allowed to be separated with hollow gear shaft；When needing to carry out style shearing, motor is needed again along guide rail slid inward, make electricity
Gear on machine power transmission shaft is progressively engaged with gear on hollow gear shaft, then starts shearing test.
Preparation of soil sample system is then used to test the preparation of early stage soil sample, and preparation of soil sample system is in left-right direction on cylinder
Shear box designed in symmetrical distribution, framework is designed along shear box of the fore-and-aft direction on cylinder in symmetrical distribution.
Therefore, sample preparation link does not interfere with each other with experiment link, is used in combination, and constitutes complete test operation system.Preparation of soil sample system
In, counter-force pedestal is used to install hydraulic telescopic machanism, and hydraulic telescopic machanism is used to arrange semi-cylindrical backplate or so telescopic moving,
Landing set of rails is arranged on work top, and bootable semi-cylindrical backplate slides along, and play the guiding role.Semi-cylindrical backplate
It is mainly used in constituting sample preparation space, apron outer surface is mutually welded with the telescopic mast of hydraulic telescopic machanism, and both sides are designed with otic placode, ear
Bolt hole is distributed with plate vertically, otic placode inner surface protrudes the sample preparation sliver of 1/2nd sliver shapes, backplate inner side center
Protrude the sample preparation sliver of sliver shape, formed with the identical position distribution of sliver inside shear box, sample preparation sliver
Effect can be interlocked when being sample preparation with the guide groove on annular bottom plate, and the sample periphery made can be made recessed with corresponding bar shaped
Groove, to meet the topology requirement of follow-up ring shear test equipment.
Internal moisture needs to exclude when being consolidated in view of soil sample, and the present invention sets in the cylindrical support platform of frame base
Rhone is put, the notch surface of rhone is covered with one piece of water filter plate of laying, the soil sample being mingled with filter water in one layer of felt, groove
Grain, bottom land is connected with drainpipe, is mainly played a role in the drainage in soil sample consolidation and shear history；Drainpipe is arranged on framework bottom
In seat, it is connected with draining trench bottom, for the draining during Control experiment.
Additionally, the present invention also sets up monitor control system, monitor control system can be used to realize man-machine interaction, testing crew
Operational control can be carried out to process of the test by controller, while storing the prison with sensor in back-to-back testing by controller
Data are surveyed, the system includes controller, signal-transmitting cable, angular displacement sensor, rotating torque sensor and more than 2 soil pressures
Power meter；Angular displacement sensor is arranged on rotary arm, for measuring the turned angle of shear box, the sensing in shear history
Monitoring Data is fed back to controller by device in time, and motor is carried out so that controller stores data or makes dependent instruction in time
SERVO CONTROL；Rotating torque sensor is installed on the middle part gear ring of hollow gear shaft, for monitoring shear history in motor carry
The rotating torque of confession, while data can in time be fed back to controller by the sensor, to facilitate controller to store data or timely
Make dependent instruction carries out SERVO CONTROL to motor；Earth pressure gauge is divided into four vertical setting of types, and each vertical setting of types respectively has four earth pressure gauges,
From top to bottom equidistantly distributed, four vertical setting of types are laid in the soil sample of the motionless room of shear box in cylinder, are located proximate in setting
Good cylindrical shear surface, the dynamometry face of earth pressure gauge is mainly used in measurement and loads and shear in sample parallel to shear surface
During normal pressure on shear surface, the pressure data that earth pressure gauge be able to will be measured by signal-transmitting cable is in real time
Feed back to controller, then controller SERVO CONTROL can be carried out to hydraulic elevator platform in time with adjust to sample plus unloading, from
And ensure the normal pressure in sample shear history on vertical shear face and keep constant.
Compared with existing ring shear apparatus, ring shear test suitable for vertical shearing face and preparation of soil sample device that the present invention is provided
Advantage be：
1st, the present invention have devised a kind of experimental rig of the vertical cylinder shear surface of generation, and the normal direction of its shear surface is vertical
In shearing angular velocity vector direction.
2nd, while the present invention can realize big displacement shearing and keep the section of shear constant, it can be ensured that cut on shear surface
Cut displacement and distribution of shear stress uniform, vertical shearing face is rotated by polylith shear plate and formed, it is vertical in shear history to control
Shear breakage is formed uniformly, can avoid because shear plate is very few or lay it is uneven caused by cut during the shear surface soil body
The uneven phenomenon of destruction.
3rd, the present invention is provided ring shear test suitable for vertical shearing face and preparation of soil sample device ring different from the past
Scissor test instrument, ring shear test instrument of the invention is not required the width of shear surface, therefore the size of sample is unrestricted, can be fitted
For the Large Shear experiment of bulky grain soil-rock mixture, it is easier to simulate the actual mechanical property of sliding soil within landslide zones.
4th, the present invention is configured with computer servo control system, hydraulic lifting system can be controlled, according to experiment
Demand is carried out plus unloading to sample in real time, and receives Monitoring Data in real time by computer and data are stored；Can
By receiving the Monitoring Data that rotating torque sensor feeds back, dependent instruction is made to motor in time, realize Torque Control；
By receiving the Monitoring Data that angular displacement sensor feeds back, dependent instruction is made to motor in time, realize Bit andits control；It is logical
Cross and receive the Monitoring Data that earth pressure gauge feeds back, SERVO CONTROL is carried out to hydraulic elevator platform in time sample is added with adjusting
Unloading, so as to ensure that one-level normal pressure in sample shear history on vertical shear face keeps constant；Can be to the preparation of soil sample
System is automatically controlled, and automates sample making course.
5th, present invention design landing set of rails is oriented to semi-cylindrical backplate, can make semi-cylindrical backplate migration process
It is easy and convenient, can also make the clutch guiding of two pieces of left and right backplate in sample making course more accurate.
6th, reasonable in design of the present invention, for testing the preparation of soil sample system of the preparation of soil sample in left-right direction on cylinder
The shear box of shape is designed in symmetrical distribution, for vertical ring shear test framework along shearing of the fore-and-aft direction on cylinder
Box is designed in symmetrical distribution.Therefore, sample preparation link does not interfere with each other with experiment link, is used in combination, and constitutes complete experiment behaviour
Make system, have the function that prepared by sample and vertical shearing is tested concurrently.
Brief description of the drawings
Fig. 1 removes hydraulic lifting for what the present invention was provided suitable for the ring shear test in vertical shearing face and preparation of soil sample device
Overlook direction structural representation after platform and dynamic rotation system.
Fig. 2 is the structure chart of preparation of soil sample system.
Fig. 3 is the structure chart that the present invention removes remaining device after preparation of soil sample system.
Fig. 4 is the AA of Fig. 3 to profile.
Fig. 5 is the BB of Fig. 3 to profile.
Fig. 6 is the CC of Fig. 3 to profile.
Fig. 7 is the structural representation of semi-cylindrical backplate.
Fig. 8 is the attachment structure figure of annular bottom plate and shear plate.
Wherein, 100- shear boxs, 200- jacking systems, 300- preparation of soil sample systems；1- frameworks, 2- hydraulic elevators, 3-
Frequency converter, 4- gears, 5- angular displacement sensors, 6- shaft coupling pressing plates, 7- rubber washers A, 8- shear box outer cover, 9- earth pressure gauges,
10- soil samples, 11- bases, 12- annular grooves, 13- drainpipes, 14- cement floorings, 15- cylindrical support platforms, the rolling of 16- lower walls
Pearl, 17- annular bottom plates, 18- rubber washers B, 19- rhone, 20- controllers, 21- rotary arms, 22- vertical pivots, 23- hollow tooths
Wheel shaft, 24- rotating torque sensors, the vertical bearings of 25-, 26- columns, 27- guide rails, 28- motors, the upper disk balls of 29-, 30- liquid
Pressure lifting platform, 31- hydraulic elevator platforms upper strata, 32- hydraulic elevator platforms middle level, 33- hydraulic elevator platform bottoms, 34- shear plates, 35-
Shearing board slot, 36- guide grooves, 37- slivers, 38- gear rings, 39- guide holes, 40- motor output shafts, 41- felt, 42- raised lines, 43- is convex
The portion of rising, 44- semi-cylindrical backplates, 45- avris landing guide rail, 46- centers landing guide rail, 47- counter-force pedestals, 48- oil pumps, 49-
Binodal horizontal extension post, 50- sample preparation slivers, 51- otic placodes, 52- guide wheels, the shape sample preparation slivers of 53- 1/2nd.
Specific embodiment
The present invention is illustrated in detail with reference to the accompanying drawings and examples, present disclosure is not limited to following
Embodiment.
Ring shear test suitable for vertical shearing face and preparation of soil sample device that the present invention is provided, its structure as shown in figure 1,
Including shear box 100, jacking system 200, dynamic rotation system, preparation of soil sample system 300, monitor control system and framework 1；
Referring to Fig. 3, the framework 1 supports whole test structure, including base 11 and is fixed on two of the both sides of base 11
Column 26, the middle part of base 11 is provided with rhone 19, and the notch surface of rhone 19 is covered with one piece of laying in one layer of felt 41, groove
Water filter plate, bottom land is connected with drainpipe 13, for the draining during Control experiment；The edge of the base 11 of framework 1 is provided with ring
Shape groove 12, for the lower end insertion of shear box outer cover 8；Framework 1 is fixed on cement flooring 14 using big model bolt, make its
Play a part of protection test equipment in process of the test and reaction of bearing is provided；
Referring to Fig. 5 and Fig. 6, the shear box includes turning cell and motionless room two parts, and wherein turning cell includes shear box
The shear plate 34 that outer cover 8, annular bottom plate 17 and 4 pieces are placed vertically, as shown in figure 8,4 pieces of shear plates 34 are along the radial direction of annular bottom plate 17
Equidistantly it is welded on annular bottom plate 17, and its width is equal to the width of annular bottom plate 17, the cover of shear box outer cover 8 is buckled in annular bottom
On plate 17 and shear plate 34,4 vertically arranged slivers of radially even setting on the cover tube inner surface of shear box outer cover 8
37, the edge of annular bottom plate 17 is radially even to open up 4 guide grooves 36 matched with the shape of cross section of sliver 37, guide groove 36
Between adjacent 2 pieces of shear plates 34, shear box outer cover 8 enters luggage with annular bottom plate 17 by the cooperation of the sliver 37 and guide groove 36
With fixation, thus, annular bottom plate 17, shear plate 34 form a whole with shear box outer cover 8, common rotation, shear box outer cover 8
Top board be ring flat-plate, the corresponding shearing board slot 35 in and position identical with shear plate quantity is offered thereon, it is embedding for shear plate 34
Enter, and allow shear plate 34 to pass through along notch, the top board of shear box outer cover 8 and 4 rotary arms 21 of dynamic rotation system
Welding, 4 welding positions of rotary arm 21 correspond with the position of sliver 37 or guide groove 36, and are total to diameter, transmission two-by-two
The moment of torsion of dynamic rotation system loads；The motionless room includes shaft coupling pressing plate 6, rubber washer A7, rubber washer B18 and cylinder
Support platform 15, cylindrical support platform 15 is actually a part for frame base 11, and the center of frame base 11 is grand upwards
Rise and constitute the cylindrical support platform 15, the central protuberance of cylindrical support platform 15, the centering of annular bottom plate 17 is nested in this
On lug boss 43, and the size in gap between the two is controlled by rubber washer B18, in annular bottom plate 17 and cylindrical support
Lower wall ball 16 is provided between the remainder of platform 15, lower wall ball 16 is contacted with the lower surface of annular bottom plate 17, the shaft coupling
The centering of pressing plate 6 is embedded in the centre bore of the top board of shear box outer cover 8, on its lower surface and cylindrical support platform 15 lug boss
Radially even on 43 upper surface to set more than 2 raised lines 42, shaft coupling pressing plate 6 carries out normal force and adds by jacking system driving
Carry, can be produced under the control of jacking system to bottom offset, vertical pressure, at the same time, shaft coupling pressure are applied to soil sample 10 step by step
Raised line 42 on plate 6 and lug boss 43 is deeply rolled into the soil body, plays a part of to maintain static indoor soil sample 10；
The jacking system includes two groups of hydraulic elevators 2, frequency converter 3 and hydraulic elevator platforms 30, two groups of hydraulic elevators 2
It is individually fixed in the two root posts 26 of framework 1, drives hydraulic elevator platform 30, the hydraulic elevator platform 30 is three layers of knot of falling tower
Structure, hydraulic elevator 2 is connected with hydraulic elevator platform upper strata 31, and the rear and front end on hydraulic elevator platform upper strata 31 has guide hole
39, the two root posts 26 for framework 1 are passed through, i.e., jacking system is in symmetrical along shear box of the fore-and-aft direction on cylinder
Distribution design, is symmetrically installed with two guide rails 27, the bottom of hydraulic elevator platform 33 on the lower surface of middle level 32 of hydraulic elevator platform
Face center is provided with a vertical pivot 22, and the vertical pivot 22 is connected with shaft coupling pressing plate 6, transmits pressure；
Referring to Fig. 4 and Fig. 5, the dynamic rotation system is installed on the bottom of hydraulic elevator platform 30, including two motors 28, two
Individual gear 4, hollow gear shaft 23, vertical bearing 25 and upper disk ball 29, the hollow gear shaft 23 are set in hydraulic elevator platform
On 30 vertical pivot 22, vertical bearing 25 is assemblied in therebetween, and hollow gear shaft 23 can be made arbitrarily to be rotated around vertical pivot 22, hollow
The lower end of gear shaft 23 is connected with rotary arm 21, upper disk ball 29 be installed on the top surface of hollow gear shaft 23 and with hydraulic pressure liter
The table top of bottom 33 for dropping platform is in contact, and the motor 28 is installed on the guide rail 27 in the middle level 32 of hydraulic elevator platform 30 by sliding block,
Can be horizontally slipped along guide rail, gear 4 is installed on the output shaft 40 of motor, and be nibbled with the middle part gear ring 38 of hollow gear shaft 23
Close；
Referring to Fig. 1 and Fig. 2, preparation of soil sample system 300 is along shear box 100 of the left and right directions on cylinder in symmetrical
Distribution design, the preparation of soil sample system is included by landing two groups of sample preparation units that set of rails is oriented to, two groups of pressure-like units pair
Title is distributed in the both sides of shear box 100, the semicircle by counter-force pedestal 47, oil pump 48, binodal horizontal extension post 49 and its driving
Cylindricality backplate 44 is constituted, and counter-force pedestal 47 is in boots shape, is formed by concreting, and left and right is on cylindrical sample platform pair
Claim, respectively poured a counter-force pedestal 47, its top is square, and bottom is trapezoidal, is stretched for installing oil pump 48 and binodal level
Contracting post 49, oil pump 48 is installed on the top of counter-force pedestal 47, can be installed on instead by controller precise control, binodal horizontal extension post 49
The square end surface on the top of power pedestal 47, can be used to arrange the elastic movement of semi-cylindrical backplate 44, and semi-cylindrical backplate 44 leads to
Cross landing set of rails guiding, the landing set of rails in being horizontally mounted on work top, including center landing guide rail 46 with
And be symmetrically distributed in its both sides avris landing guide rail 45, bootable semi-cylindrical backplate 44 slides along, described referring to Fig. 7
Semi-cylindrical backplate 44 is symmetrical on cylindrical support platform 15, is mainly used in constituting sample preparation space, and semi-cylindrical backplate 44 is pushed up
Portion is concordant with the top of shear plate 34, and outer surface is mutually welded with binodal horizontal extension post 49, and both sides are designed with otic placode 51, otic placode 51
On bolt hole is distributed with vertically, bolt during for sample preparation between left-and-right guard board is fixed, and otic placode inner surface protrudes 1/2nd
Shape sample preparation sliver 53, the intrados center position of semi-cylindrical backplate 44 is vertically provided with sample preparation sliver 50, above-mentioned sample preparation
Sliver 50,53 can be manually retracted into inside semi-cylindrical backplate 44, also can by hand be transferred to from the inside of semi-cylindrical backplate 44,
Its effect can interlock when being sample preparation with 17 guide groove 36 on annular bottom plate, and it is corresponding to have the sample periphery made
Strip groove, to meet the topology requirement of follow-up ring shear test equipment, the bottom of semi-cylindrical backplate 44 is provided with three and leads altogether
Wheel 52, is respectively each guide wheel in otic placode bottom of both sides, and a guide wheel is installed in backplate bottom center, and guide wheel 52 can be along falling
Ground set of rails is rolled；
The monitor control system includes that controller 20, signal-transmitting cable, angular displacement sensor 5, rotating torque are sensed
Device 24 and 16 earth pressure gauges 9, angular displacement sensor 5 are arranged on rotary arm 21, for measuring the angle cut in experiment,
Rotating torque sensor 24 is installed on the gear ring 38 of hollow gear shaft 23, the rotation for monitoring motor offer in shear history
Power, 16 9 points of earth pressure gauges are 4 vertical setting of types, and each vertical setting of types respectively has four earth pressure gauges, from top to bottom equidistantly distributed, four
Vertical setting of types is laid in the soil sample 10 of the motionless room of shear box in cylinder, is located proximate in the cylindrical shear surface for setting, angle position
Displacement sensor 5, rotating torque sensor 24 and earth pressure gauge 9 are by signal-transmitting cable access controller 20, controller 20
Mandatory operation is carried out to hydraulic elevator 2, motor 4 and oil pump 48 by signal-transmitting cable simultaneously.
Carry out large-scale ring suitable for the ring shear test in vertical shearing face and preparation of soil sample device and cut using what the present invention was provided
The basic process of experiment is as follows：
First, sample preparation
Before this step, operational control device, i.e. computer are first wanted, two motors in left and right is slided to two respectively along guide rail
Side.Hydraulic elevator lifting is then controlled by computer, hydraulic elevator platform is driven shaft coupling pressing plate and shear box outer cover one
Rise and rise, there is enough operating spaces to facilitate sample preparation link.
First, a quarter circle raised line for otic placode inner surface being protruded is that 1/2nd shape sample preparation slivers manually contract
Enter otic placode inside (to facilitate backplate to make smooth advances to cylindrical support platform, and being interlocked with annular bottom plate thereon)；
Then start operate computer system, control hydraulic telescopic machanism promote left-and-right guard board along landing guide rail evenly
Drawn close to cylindrical support platform, will subcylindrical support platform when, slow down fltting speed, make to treat that backplate inner side center is prominent
The sample preparation sliver for going out slowly interlocks with the semicircle guide groove on annular bottom plate left and right directions, can transfer on otic placode by hand afterwards
A quarter circle raised line, makes it be interlocked with the semicircle guide groove on annular bottom plate fore-and-aft direction.The effect of sample preparation sliver is system
Can be interlocked with the semicircle guide groove on endless metal base plate during sample, and the sample periphery made can be made with corresponding bar shaped
Groove, to meet the topology requirement of follow-up ring shear test equipment.
By bolt on the bolt hole bolt on otic placode, two valve backplates can be fastened, make backplate with the tight phase of annular bottom plate
Button, and collectively form sample preparation space.Can enclose be layered in the sample preparation space of limit toward backplate afterwards and pour into soil sample and carry out layering feather plucking
Compacting, carries out sample preparation.
After the completion of soil sample compaction in layers, a hour can be suitably waited, you can bolt is unloaded from bolt hole, then hand
Building site indentation otic placode inner surface a quarter circle raised line.Now, you can easily operate computer program, hydraulically extensible is controlled
Mechanism, the semi-cylindrical belt wheel backplate uniform speed slow of the right and left is separated, and both sides are pulled to along landing guide rail, is follow-up large-scale
Ring shear test vacating space.So far, sample is prepared and completed.
2nd, sample loading
Firstly the need of operation computer, two motors in left and right is slided to both sides respectively along guide rail, then proceed to operation meter
Calculation machine, control hydraulic elevator drives and slowly declines.Now lifting platform with shaft coupling pressing plate and shear box outer cover together slowly under
Drop.When shear box outer cover lower edge will be close with sample, it is necessary to be directed at semicircle sliver and the examination of box metal housing inwall
Sample edge is rolled the guide groove (this sample guide groove 4 guide grooves being provided with equidistant with annular bottom plate outward flange are corresponding) for coming, alignment
Afterwards, slow decline is continued, until metal housing top end face and shaft coupling pressing plate are contacted (because strip is cut with sample top surface completely
The locus of cutting plate groove is just corresponding with four pieces of shear plates, therefore, shear plate is against on strip shearing board slot just).It
Afterwards, by rotary arm and center vertical pivot transmission vertical pressure, (this can be loaded to sample by manipulating hydraulic elevator
When, shear box outer cover can downwards migrate by the vertical sliver of madial wall along the guide groove opened up on annular bottom plate, and shear plate can edge
Shear box outer cover top end face shearing board slot to rise, shearing board slot can allow shear plate to pass through along notch).Now need soil pressure
Power meter monitors that Primary Assay pressure on shear surface in real time, and will monitor number in time by signal-transmitting cable
According to feeding back to computer.By computer to the SERVO CONTROL function of hydraulic system, real-time regulation hydraulic elevator so that soil pressure
The numerical value that power is measured be maintained at shearing test needed for compressive load on.
3rd, shearing test
By the loading of previous step so that the pressure on shear surface be maintained at shearing test needed for pressure lotus
After in load, it is possible to start shearing test.First, by calculating hands- operation, two motors in left and right are distinguished along guide rail
Slid inward so that motor output shaft gear is meshed with the gear ring of hollow gear shaft.Then motor is started, by the power of motor
Hollow gear shaft is passed to, hollow gear shaft is rotated the arm of force and metal housing starts to cut.In shear history, angular displacement is passed
Sensor and torque sensor start Monitoring Data, and feed back to computer in time, to facilitate computer to preserve or make in time phase
Close instruction carries out SERVO CONTROL to motor.Earth pressure gauge is all monitored on shear surface in whole shear history in real time
Test pressure, and feed back to computer in time, SERVO CONTROL is carried out to hydraulic system in the hope of computer, it is ensured that vertical in experiment
Experiment value is kept not change in the test pressure on shear surface.
Innovation of the invention there are provided a kind of ring shear test suitable for vertical shearing face and preparation of soil sample device, because
It is able to ensure that on shear surface that shear displacemant and distribution of shear stress are uniform, thus the thickness in vertical shearing face is unrestricted, makes
The Large Shear experiment for obtaining the presence of bulky grain thing is achieved, and can prepare supporting sample.Obviously, those skilled in the art
Member can carry out various changes to the present invention and deform without deviating from scope and spirit of the present invention.If but these change and
Deformation belongs in the range of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising these changes and deforms
It is interior.
Claims (10)
1. a kind of ring shear test and preparation of soil sample device suitable for vertical shearing face, at least including shear box, jacking system, moves
Power rotary system and framework, it is characterised in that：The shear box includes turning cell and motionless room two parts, and wherein turning cell includes
The shear plate that shear box outer cover, annular bottom plate and more than 1 piece are placed vertically, shear plate is fixed on ring along annular bottom plate is radially uniform
On shape base plate, shear box outer cover cover is buckled on annular bottom plate and shear plate, and cover cylinder and the annular bottom plate of the shear box outer cover lead to
Sliver and the guide groove assembling fixation being arranged at therebetween are crossed, the top board of shear box outer cover is ring flat-plate, is offered thereon and shearing
Plate quantity identical shears board slot, and for shear plate insertion, the top board of shear box outer cover connects with the rotary arm of dynamic rotation system
Connect, transmitting torque；The motionless room includes rubber washer, shaft coupling pressing plate and cylindrical support platform, the shaft coupling pressing plate centering
It is embedded in the centre bore of the outer cowl top panel of shear box, and normal force loading, the cylindrical support is carried out by jacking system driving
Platform and framework are connected, and annular bottom plate centering is nested on cylindrical support platform, and by rubber washer control both it
Between gap size；Also include preparation of soil sample system, the preparation of soil sample system is included by landing two groups that set of rails is oriented to
Sample preparation unit, two groups of pressure-like units are symmetrically distributed in shear box both sides, the pressure-like unit by straight-line displacement Power Component and its
The semi-cylindrical backplate of driving is constituted, and semi-cylindrical backplate is oriented to by landing set of rails, and its internal diameter is straight with sample to be pressed
Footpath is identical, sample preparation sliver is vertically provided with the intrados of semi-cylindrical backplate, inside the sample preparation sliver and shear box
Sliver shape it is identical and position is corresponding.
2. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 1, it is characterised in that：
The central protuberance of the cylindrical support platform, annular bottom plate centering is nested on the lug boss, in annular bottom plate and cylinder
Lower wall ball is provided between the remainder of support platform, lower wall ball is contacted with annular bottom plate lower surface.
3. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 1, it is characterised in that：
The jacking system includes hydraulic elevator, frequency converter and hydraulic elevator platform, and hydraulic elevator is fixed on framework, by frequency conversion
Device drives hydraulic elevator platform lifting, and shaft coupling pressing plate is connected with the vertical pivot for being arranged at hydraulic elevator platform center.
4. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 3, it is characterised in that：
The hydraulic elevator platform is three layers of pyramidal structure, and hydraulic elevator is connected with upper strata, and guide rail, bottom are provided with the lower surface of middle level
Layer table top center is provided with a vertical pivot, and the vertical pivot is connected with shaft coupling pressing plate.
5. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 4, it is characterised in that：
The dynamic rotation system is installed on hydraulic elevator platform bottom, including motor, gear, hollow gear shaft, vertical bearing and upper disk
Ball, the hollow gear shaft is set on the vertical pivot of hydraulic elevator platform, and vertical axis take up and are assigned in therebetween, hollow gear shaft
Lower end and rotary arm be connected, upper disk ball be installed on hollow gear shaft top surface and with the bottom table top of hydraulic elevator platform
Be in contact, the motor is installed on the guide rail in hydraulic elevator platform middle level by sliding block, gear be installed on motor output shaft and
Hollow gear shaft is engaged.
6. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 5, it is characterised in that：
The framework includes base and is fixed on the two root posts of both sides before and after base, and hydraulic elevator is fixed in two root posts, liquid
The left and right two ends on pressure lifting platform upper strata have guide hole, and the two root posts for framework are passed through, and two groups of pressure-like units are symmetrical
In the left and right sides of shear box, it is not interfere with each other with jacking system.
7. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 6, it is characterised in that：
Also include monitor control system, monitor control system includes controller, signal-transmitting cable, angular displacement sensor, rotating torque
Sensor and more than 2 earth pressure gauges, angular displacement sensor are arranged on rotary arm, and rotating torque sensor is installed on hollow
On the middle part gear ring of gear shaft, each earth pressure gauge is uniformly distributed in the soil sample in shear box, angular displacement sensor, rotating torque
Sensor and earth pressure gauge are by signal-transmitting cable access controller, the hydraulic elevator of jacking system, dynamic rotation system
The motor of system and the straight-line displacement Power Component of preparation of soil sample system control to run by controller.
8. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 6, it is characterised in that：
The base of the framework is structure as a whole with cylindrical support platform, and the edge of frame base is provided with annular groove, for shear box
The lower end insertion of outer cover, is provided with rhone in the middle part of cylindrical support platform, the notch surface of rhone is covered with one layer of felt, groove
One piece of water filter plate of interior laying, bottom land is connected with drainpipe.
9. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 1, it is characterised in that：
It is radially even on the lower surface of the shaft coupling pressing plate and on the upper surface of cylindrical support platform to set 2 with convex
Bar.
10. the ring shear test and preparation of soil sample device suitable for vertical shearing face according to claim 1, its feature exists
In：The landing set of rails includes that center is landed guide rail and is symmetrically distributed in the avris landing guide rail of its both sides, the straight line
Displacement Power Component includes counter-force pedestal and the hydraulic telescopic machanism being mounted thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235660.1A CN106840810B (en) | 2017-04-12 | 2017-04-12 | A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235660.1A CN106840810B (en) | 2017-04-12 | 2017-04-12 | A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106840810A true CN106840810A (en) | 2017-06-13 |
| CN106840810B CN106840810B (en) | 2018-05-15 |
Family
ID=59148204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710235660.1A Active CN106840810B (en) | 2017-04-12 | 2017-04-12 | A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106840810B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741366A (en) * | 2017-10-31 | 2018-02-27 | 中国地质大学（武汉） | A kind of wide section ring shear apparatus of power control formula and its application in research on landslide |
| CN107748112A (en) * | 2017-11-15 | 2018-03-02 | 中国科学院武汉岩土力学研究所 | Ring angle and ring displacement measuring device and method |
| CN108426786A (en) * | 2018-03-21 | 2018-08-21 | 中国地质大学（武汉） | A kind of shear box suitable for vertical ring shear test |
| CN109085052A (en) * | 2018-08-20 | 2018-12-25 | 山东科技大学 | Un-uniformly distributed acts on lower roof plate intensity effect coal seam deformation test method |
| CN109085071A (en) * | 2018-09-18 | 2018-12-25 | 河南理工大学 | Rock rotational shear testing machine |
| CN109211689A (en) * | 2018-09-28 | 2019-01-15 | 西南交通大学 | Railway ballast staight scissors method for analyzing performance and device |
| CN109211657A (en) * | 2018-09-28 | 2019-01-15 | 西南交通大学 | Railway ballast straight shear device |
| CN109557023A (en) * | 2018-11-19 | 2019-04-02 | 河海大学 | It is a kind of can self-adapting stretching deformation platen systems and its application method |
| CN111735677A (en) * | 2020-06-23 | 2020-10-02 | 中南大学 | Testing equipment and testing method for shear stress of solid particle material |
| CN112540012A (en) * | 2020-12-04 | 2021-03-23 | 哈尔滨工业大学 | Annular pure shear loading method and device for pipe |
| CN113049399A (en) * | 2021-03-12 | 2021-06-29 | 广西科技大学 | Geosynthetic material multifunctional creep tester and test method thereof |
| CN113237711A (en) * | 2021-04-12 | 2021-08-10 | 中国电建集团华东勘测设计研究院有限公司 | Method for manufacturing sample of barrel-shaped structural surface and externally tangent and internally-blocked barrel-shaped shearing instrument |
| CN113295534A (en) * | 2021-04-29 | 2021-08-24 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale lateral limit compression test and shear test all-in-one machine based on dry-wet cycle condition |
| CN113358492A (en) * | 2021-05-21 | 2021-09-07 | 扬州大学 | Multifunctional test equipment for automatic sample loading of ring shear apparatus and use method thereof |
| CN113533686A (en) * | 2021-06-28 | 2021-10-22 | 中铁时代建筑设计院有限公司 | Liquid plastic limit automation equipment for measuring soil |
| CN113739848A (en) * | 2021-09-01 | 2021-12-03 | 交通运输部公路科学研究所 | Device and method for evaluating bidirectional differential deformation capability of graded broken stone buffer roadbed |
| CN114279818A (en) * | 2021-12-31 | 2022-04-05 | 西南交通大学 | Bidirectional flexible loading and unloading ring shear device and test method thereof |
| CN117288603A (en) * | 2023-11-24 | 2023-12-26 | 中国电建集团华东勘测设计研究院有限公司 | Up-to-down resistance type multi-layer high-efficiency ring shear tester and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621044A (en) * | 2012-03-23 | 2012-08-01 | 大连理工大学 | Multifunctional ring shear apparatus |
| CN202453254U (en) * | 2011-12-07 | 2012-09-26 | 长安大学 | Electric large-size stress-control-type ring shear apparatus |
| US20130112013A1 (en) * | 2011-11-08 | 2013-05-09 | Korea Institute Of Geoscience And Mineral Resources (Kigam) | Ring shear apparatus considering wall-slip effect |
| CN204649502U (en) * | 2015-04-23 | 2015-09-16 | 西安科技大学 | Ring shear apparatus ring type sample preparation device |
| CN105067453A (en) * | 2015-07-08 | 2015-11-18 | 浙江土工仪器制造有限公司 | Ring shear apparatus for circular-ring-shaped soil sample |
| CN105571919A (en) * | 2016-02-02 | 2016-05-11 | 中国科学院武汉岩土力学研究所 | Ring type sample preparation device for ring shear tests |
| CN205538501U (en) * | 2016-04-25 | 2016-08-31 | 吉林大学 | Testing machine is cut in large -scale multi -functional high -speed loop of modified |
| CN106092756A (en) * | 2016-06-07 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of hollow ring shear apparatus applying confined pressure |
-
2017
- 2017-04-12 CN CN201710235660.1A patent/CN106840810B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130112013A1 (en) * | 2011-11-08 | 2013-05-09 | Korea Institute Of Geoscience And Mineral Resources (Kigam) | Ring shear apparatus considering wall-slip effect |
| CN202453254U (en) * | 2011-12-07 | 2012-09-26 | 长安大学 | Electric large-size stress-control-type ring shear apparatus |
| CN102621044A (en) * | 2012-03-23 | 2012-08-01 | 大连理工大学 | Multifunctional ring shear apparatus |
| CN204649502U (en) * | 2015-04-23 | 2015-09-16 | 西安科技大学 | Ring shear apparatus ring type sample preparation device |
| CN105067453A (en) * | 2015-07-08 | 2015-11-18 | 浙江土工仪器制造有限公司 | Ring shear apparatus for circular-ring-shaped soil sample |
| CN105571919A (en) * | 2016-02-02 | 2016-05-11 | 中国科学院武汉岩土力学研究所 | Ring type sample preparation device for ring shear tests |
| CN205538501U (en) * | 2016-04-25 | 2016-08-31 | 吉林大学 | Testing machine is cut in large -scale multi -functional high -speed loop of modified |
| CN106092756A (en) * | 2016-06-07 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of hollow ring shear apparatus applying confined pressure |
Non-Patent Citations (2)
| Title |
|---|
| 曹炳兰: "滑坡运动机制研究试验装置-大型高速环剪试验机简介", 《长春科技大学学报》 * |
| 洪勇 等: "土工环剪仪的开发及其应用研究现状", 《岩土力学》 * |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741366B (en) * | 2017-10-31 | 2023-02-28 | 中国地质大学（武汉） | Application method of force-controlled wide-section ring shear apparatus in landslide research |
| CN107741366A (en) * | 2017-10-31 | 2018-02-27 | 中国地质大学（武汉） | A kind of wide section ring shear apparatus of power control formula and its application in research on landslide |
| CN107748112A (en) * | 2017-11-15 | 2018-03-02 | 中国科学院武汉岩土力学研究所 | Ring angle and ring displacement measuring device and method |
| CN108426786A (en) * | 2018-03-21 | 2018-08-21 | 中国地质大学（武汉） | A kind of shear box suitable for vertical ring shear test |
| CN109085052B (en) * | 2018-08-20 | 2020-07-17 | 山东科技大学 | Test method for influences of roof strength on coal seam deformation under action of non-uniform load |
| CN109085052A (en) * | 2018-08-20 | 2018-12-25 | 山东科技大学 | Un-uniformly distributed acts on lower roof plate intensity effect coal seam deformation test method |
| CN109085071A (en) * | 2018-09-18 | 2018-12-25 | 河南理工大学 | Rock rotational shear testing machine |
| CN109085071B (en) * | 2018-09-18 | 2023-10-03 | 河南理工大学 | Rock rotation shear test machine |
| CN109211657A (en) * | 2018-09-28 | 2019-01-15 | 西南交通大学 | Railway ballast straight shear device |
| CN109211689A (en) * | 2018-09-28 | 2019-01-15 | 西南交通大学 | Railway ballast staight scissors method for analyzing performance and device |
| CN109557023B (en) * | 2018-11-19 | 2021-02-12 | 河海大学 | Pressure plate system capable of self-adaptive stretching deformation and use method thereof |
| CN109557023A (en) * | 2018-11-19 | 2019-04-02 | 河海大学 | It is a kind of can self-adapting stretching deformation platen systems and its application method |
| CN111735677A (en) * | 2020-06-23 | 2020-10-02 | 中南大学 | Testing equipment and testing method for shear stress of solid particle material |
| CN112540012A (en) * | 2020-12-04 | 2021-03-23 | 哈尔滨工业大学 | Annular pure shear loading method and device for pipe |
| CN112540012B (en) * | 2020-12-04 | 2023-11-14 | 哈尔滨工业大学 | Annular pure shear loading method and device for pipe |
| CN113049399A (en) * | 2021-03-12 | 2021-06-29 | 广西科技大学 | Geosynthetic material multifunctional creep tester and test method thereof |
| CN113049399B (en) * | 2021-03-12 | 2023-11-21 | 广西科技大学 | Multifunctional creep deformation instrument for geosynthetic material and test method thereof |
| CN113237711A (en) * | 2021-04-12 | 2021-08-10 | 中国电建集团华东勘测设计研究院有限公司 | Method for manufacturing sample of barrel-shaped structural surface and externally tangent and internally-blocked barrel-shaped shearing instrument |
| CN113295534B (en) * | 2021-04-29 | 2022-09-13 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale lateral limit compression test and shear test all-in-one machine based on dry-wet cycle condition |
| CN113295534A (en) * | 2021-04-29 | 2021-08-24 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale lateral limit compression test and shear test all-in-one machine based on dry-wet cycle condition |
| CN113358492A (en) * | 2021-05-21 | 2021-09-07 | 扬州大学 | Multifunctional test equipment for automatic sample loading of ring shear apparatus and use method thereof |
| CN113533686A (en) * | 2021-06-28 | 2021-10-22 | 中铁时代建筑设计院有限公司 | Liquid plastic limit automation equipment for measuring soil |
| CN113533686B (en) * | 2021-06-28 | 2023-11-28 | 中铁时代建筑设计院有限公司 | Automatic equipment for determining liquid plastic limit of soil |
| CN113739848A (en) * | 2021-09-01 | 2021-12-03 | 交通运输部公路科学研究所 | Device and method for evaluating bidirectional differential deformation capability of graded broken stone buffer roadbed |
| CN114279818A (en) * | 2021-12-31 | 2022-04-05 | 西南交通大学 | Bidirectional flexible loading and unloading ring shear device and test method thereof |
| CN117288603A (en) * | 2023-11-24 | 2023-12-26 | 中国电建集团华东勘测设计研究院有限公司 | Up-to-down resistance type multi-layer high-efficiency ring shear tester and application thereof |
| CN117288603B (en) * | 2023-11-24 | 2024-03-08 | 中国电建集团华东勘测设计研究院有限公司 | Up-to-down resistance type multi-layer high-efficiency ring shear tester and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106840810B (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106840810B (en) | A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face | |
| CN107036909B (en) | A kind of ring shear test instrument suitable for vertical shearing face | |
| CN102175533B (en) | Ultra-large type geotechnical engineering three-dimensional model test system | |
| CN204269495U (en) | A kind of ground surface material accelerates abrasion laboratory testing rig | |
| CN108827669B (en) | Test system for simulating deformation and damage characteristics of tunnel | |
| CN109855975B (en) | Overburden rock key layer breaking rule test method based on similar simulation test system | |
| CN109374454A (en) | Multifunction road pavement material performance testing device and test method | |
| CN201843152U (en) | Simulation tester for construction and monitoring of deep foundation pit engineering | |
| CN108801804A (en) | A kind of vertical shearing face ring scissor test instrument applying confining pressure | |
| CN202383028U (en) | Assembled variable-size direct shear compressometer | |
| CN109060395B (en) | Test system platform for shield underpass cutting composite foundation pile body | |
| Lam | Ground movements due to excavation in clay: physical and analytical models | |
| CN205538954U (en) | Three -dimensional simulation test device of coal seam group exploitation | |
| CN109949690B (en) | Vertical jacking model test device and method for shield vertical shaft | |
| CN101435746A (en) | Comprehensive test system of shield tunnel construction model | |
| CN104833537A (en) | Similarity model test apparatus for simulating tunnel construction | |
| WO2023103159A1 (en) | Three-dimensional dynamic and static load test system and method for simulating deep roadway excavation | |
| CN201434865Y (en) | Geotechnical engineering similar test system | |
| CN112414733B (en) | Shield tunnel structure mechanical property model test system and method | |
| CN106018102A (en) | Rammed earth historic site group anchorage pullout test system | |
| CN201983987U (en) | Extra-large geotechnical engineering three-dimensional model test system | |
| CN115372159B (en) | Fault activation and roadway instability test system and method under simulated mining disturbance action | |
| CN102426396A (en) | Testing apparatus for simulating deep-displacement-initiated strata deformation coordination mechanism | |
| CN106546483A (en) | Two-dimentional mechanical models for soil and rock assay device and method | |
| CN108645707A (en) | Soil pressure calculation device and method under a kind of simulation steady seepage and oscillatory load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |