CN109946173A - Geotechnique's compression, large deformation recycle ring shear apparatus - Google Patents
Geotechnique's compression, large deformation recycle ring shear apparatus Download PDFInfo
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- CN109946173A CN109946173A CN201910297665.6A CN201910297665A CN109946173A CN 109946173 A CN109946173 A CN 109946173A CN 201910297665 A CN201910297665 A CN 201910297665A CN 109946173 A CN109946173 A CN 109946173A
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Abstract
The present invention relates to a kind of geotechnique's compressions, large deformation ring shear apparatus, including chassis, chassis to be provided with horizontal linear track on upper surface；Chassis top is equipped with soil sample pedestal；Soil sample pedestal top is equipped with the first torsion reinforcing ring；First torsion reinforcing ring top is equipped with the first permeable stone；It is equipped with outside first permeable stone and tests native ring；First permeable stone top is equipped with the second permeable stone；Second permeable stone top is equipped with e-p test and pushes cover board；E-p test pushes cover board top and is equipped with the first Linear displacement transducer and first shaft coupling；First Linear displacement transducer top is equipped with the second torsion reinforcing ring.The invention is a multifunctional earth testing equipment, and the geotechnical model test being able to carry out in ocean engineering field, computer control system is using two close cycles automation control.The soil test instrument is by computer operation servo motor, and more convenient during test, effect is more preferable.
Description
Technical field
The invention belongs to building test equipment technologies, and in particular to it is a kind of geotechnique compression, large deformation recycle ring shear apparatus.
Background technique
In civil engineering, need to carry out diversified test for sample.General equipment test is more troublesome, and cannot be real
Existing diversification measurement, therefore, it is necessary to improve as needed, convenient for preferably carrying out measurement.
Summary of the invention
The purpose of the present invention is to provide a kind of geotechnique's compressions, large deformation ring shear apparatus, convenient for being preferably applied to building measurement.
To achieve the goals above, technical scheme is as follows.
A kind of geotechnique's compression, large deformation ring shear apparatus, including chassis, chassis be provided with horizontal linearity on upper surface
Guide rail；Chassis top is equipped with soil sample pedestal；Soil sample pedestal top is equipped with the first torsion reinforcing ring；On first torsion reinforcing ring
Portion is equipped with the first permeable stone；It is equipped with outside first permeable stone and tests native ring；First permeable stone top is equipped with the second permeable stone；Second
Permeable stone top is equipped with e-p test and pushes cover board；E-p test pushes cover board top and is equipped with the first Linear displacement transducer and first
Shaft coupling；First Linear displacement transducer top is equipped with the second torsion reinforcing ring；Second torsion reinforcing ring top is equipped with fixed purlin
Frame；Fixed truss top is equipped with second shaft coupling；Second shaft coupling top is equipped with fixed steel disc；Second is equipped with outside fixed steel disc
Reinforcing ring is reversed, the second torsion reinforcing ring top is equipped with the second Linear displacement transducer and fixed steel disc；Second torsion reinforcing ring
Inside is equipped with the 8th shaft coupling and rotary angle transmitter；Second torsion reinforcing ring top is equipped with round turntable, and round turntable top is set
Linear bearing, linear bearing top are equipped with annulus linear guides, and the linear guide rail interior of annulus is equipped with torsion gear and third connection
Axis device；Third shaft coupling top is equipped with torsion sensor and the 4th shaft coupling；4th shaft coupling top, which is equipped with, reverses electronic support
Platform；It reverses electric support platform and is equipped with nut；It reverses electric support platform top and is equipped with first servo motor；Nut lower part
Side is equipped with the second servo motor, retarder and balance；Balance lower part is equipped with the 5th shaft coupling, the 5th shaft coupling
Translation guide block, linear guides and the 6th shaft coupling are equipped with outside device；6th shaft coupling lower part is equipped with the resistance of linear mould and tension and compression sensing
Device；Tension-compression sensor lower part is equipped with first axis and slides separator；First axis sliding separator lower part be equipped with it is interior turn screw and
Interior turn nut；Interior turn nut lower part is equipped with the 7th shaft coupling, second slides axially separator and third servo motor；Third servo
Outside motor is equipped with third and reverses reinforcing ring, and third reverses reinforcing ring lower part and is equipped with torsion blade.
Geotechnique compression, large deformation ring shear apparatus further include that water controller and water inlet controller, out water controller setting out exist
Water inlet controller upper position；Water outlet the left side of the controller is connected with vacuum tube, and vacuum tube is equipped with joint valve and the first water is supervised
Survey instrument；Vacuum tube left end is connected with magnetic induction loop, and magnetic induction loop top is equipped with miniature tension-compression sensor；The connection of magnetic induction loop lower part
There is soil sample；The second water quantity monitoring instrument and water control valve are connected on pipeline on the right side of soil sample；Soil sample bottom is equipped with water pipe check valve；Soil
Top inside sample is equipped with the second permeable stone, and the bottom inside soil sample is equipped with water plug.
Geotechnique's compression in the embodiment of the present invention, large deformation ring shear apparatus, can be realized following function: 1. cyclic annular soil sample e-p
Compression test；2. soil sample void ratio test；3. cyclic annular soil sample large deformation static(al), Cyclic torsional shear experimental.The equipment includes: that (1) is anti-
Power support frame is provided with servo motor and torque sensor on support frame, measures soil sample respectively and turns round load and angle during cutting
Displacement；(2) vertical linear mould group and the servo motor being fixed on support frame measure in e-p compression process, annular soil sample respectively
Normal pressure and compression displacement；(3) cylinder soil sample and its top electromagnetic attraction system and measuring system；(4) Water hydraulic static pressure loading and negative
Press measuring system.
Invention has the beneficial effects that: the invention is a multifunctional earth testing equipment, is able to carry out ocean engineering
Geotechnical model test in field, computer control system use two close cycles automation control, are embedded in the annular independently derived
Soil sample is back and forth turned round and cuts force analysis formula, is improved conventional four-bladed vane torsion shear test, and circulation can be carried out to clay and is cut
Test is cut, soil sample normal direction and belt stress state can be automatically controlled；The e-p compression property of soil sample can be automatically determined simultaneously；
In addition, using the formula of derivation, providing remaining mechanics index of physics after measuring void ratio and density using equipment.Geotechnique examination
Instrument is tested by computer operation servo motor, more convenient during test, effect is more preferable.
Detailed description of the invention
Fig. 1 is equipment overall effect figure used in the embodiment of the present invention.
Equipment diagrammatic cross-section used in Fig. 2 embodiment of the present invention.
Fig. 3 is equipment torsion system partial structure diagram used in the embodiment of the present invention.
Fig. 4 is equipment compression section structural schematic diagram used in the embodiment of the present invention.
Fig. 5 is the e-p compression member installation diagram in equipment used in the embodiment of the present invention.
Fig. 6 is that part assembling drawing is cut in the dynamic torsion in equipment used in the embodiment of the present invention.
Fig. 7 is the void ratio test installation diagram in equipment used in the embodiment of the present invention.
Fig. 8 is soil sample sectional view in void ratio test in equipment used in the embodiment of the present invention.
Description of symbols in figure: 1, go out water controller；2, water inlet controller；3, the first water quantity monitoring instrument；4, water control valve；5,
Two water quantity monitoring instrument；6, soil sample；7, magnetic induction loop；8, miniature tension-compression sensor；9, first servo motor；10, nut；11, it turns round
Turn electric support platform；12, the 4th shaft coupling；13, torsion sensor；14, third shaft coupling；15, gear is reversed；16, annulus
Linear guides；17, linear bearing；18, round turntable；19, the second torsion reinforcing ring；20, the second servo motor；21, retarder；
22, balance；23, the 5th shaft coupling；24, guide block is translated；25, linear guides；26, the 6th shaft coupling；27, linear mould
Resistance；28, tension-compression sensor；29, first axis slides separator；30, interior to turn screw；31, the 7th shaft coupling；32, second is axial
Slide separator；33, third servo motor；34, blade is reversed；35, third reverses reinforcing ring；36, the second torsion reinforcing ring；
37, e-p test pushes cover board；38, the second permeable stone；39, native ring is tested；40, the first permeable stone；41, the first torsion reinforcing ring；
42, soil sample pedestal；43, chassis；44, horizontal linear track；45, the 8th shaft coupling；46, rotary angle transmitter；47, the second line
Property displacement sensor；48, fixed steel disc；49, second shaft coupling；50, fixed truss；51, the first Linear displacement transducer；52,
First shaft coupling；53, joint valve；54, water pipe check valve；55, vacuum tube；56, the second permeable stone；57, water plug；58, interior to turn spiral shell
It is female.
Specific embodiment
A specific embodiment of the invention is described with reference to the accompanying drawings and examples, to better understand this hair
It is bright.
Embodiment
Geotechnique's compression in the embodiment of the present invention, large deformation ring shear apparatus, can be realized following function: 1. cyclic annular soil sample e-p
Compression test；2. soil sample void ratio test；3. cyclic annular soil sample large deformation static(al), Cyclic torsional shear experimental.The equipment includes: that (1) is anti-
Power support frame is provided with servo motor and torque sensor on support frame, measures soil sample respectively and turns round load and angle during cutting
Displacement；(2) vertical linear mould group and the servo motor being fixed on support frame measure in e-p compression process, annular soil sample respectively
Normal pressure and compression displacement；(3) cylinder soil sample and its top electromagnetic attraction system and measuring system；(4) Water hydraulic static pressure loading and negative
Press measuring system.
Geotechnique's compression as shown in figures 1-8, large deformation ring shear apparatus, including chassis 43, on 43 upper surface of chassis
It is provided with horizontal linear track 44；43 top of chassis is equipped with soil sample pedestal 42；42 top of soil sample pedestal is equipped with the first torsion
Reinforcing ring 41；First torsion 41 top of reinforcing ring is equipped with the first permeable stone 40；It is equipped with outside first permeable stone 40 and tests native ring 39；
First permeable stone, 40 top is equipped with the second permeable stone 38；Second permeable stone, 38 top is equipped with e-p test and pushes cover board 37；E-p examination
It tests and pushes 37 top of cover board equipped with the first Linear displacement transducer 51 and first shaft coupling 52；On first Linear displacement transducer 51
Portion is equipped with the second torsion reinforcing ring 36；Second torsion 36 top of reinforcing ring is equipped with fixed truss 50；Fixed 50 top of truss is equipped with
Second shaft coupling 49；49 top of second shaft coupling is equipped with fixed steel disc 48；The second torsion reinforcing ring is equipped with outside fixed steel disc 48
19, the second torsion 19 top of reinforcing ring is equipped with the second Linear displacement transducer 47 and fixed steel disc 48；Second torsion reinforcing ring 19
Inside is equipped with the 8th shaft coupling 45 and rotary angle transmitter 46；Second torsion 19 top of reinforcing ring is equipped with round turntable 18, and circle turns
18 top of disk is equipped with linear bearing 17, and 17 top of linear bearing is equipped with annulus linear guides 16, sets inside annulus linear guides 16
There are torsion gear 15 and third shaft coupling 14；14 top of third shaft coupling is equipped with torsion sensor 13 and the 4th shaft coupling 12；The
Four shaft couplings, 12 top is equipped with torsion electric support platform 11；It reverses electric support platform 11 and is equipped with nut 10；It reverses electronic
11 top of support platform is equipped with first servo motor 9；10 lower side of nut is equipped with the second servo motor 20, retarder 21 and matches
Weight balance weight 22；22 lower part of balance is equipped with the 5th shaft coupling 23, and translation guide block 24, line are equipped with outside the 5th shaft coupling 23
Property guide rail 25 and the 6th shaft coupling 26；6th shaft coupling, 26 lower part is equipped with linear mould resistance 27 and tension-compression sensor 28；Tension and compression sensing
28 lower part of device is equipped with first axis and slides separator 29；First axis sliding 29 lower part of separator turns screw 30 and interior turn in being equipped with
Nut 58；Interior 58 lower part of turn nut is equipped with the 7th shaft coupling 31, second slides axially separator 32 and third servo motor 33；The
It is equipped with third outside three servo motors 33 and reverses reinforcing ring 35, third reverses 35 lower part of reinforcing ring and is equipped with torsion blade 34.
The geotechnique compression, large deformation ring shear apparatus further include out water controller 1 and water inlet controller 2, out water controller 1 be arranged
In water inlet 2 upper position of controller；Vacuum tube 55 is connected on the left of water controller 1 out, vacuum tube 55 is equipped with 53 He of joint valve
First water quantity monitoring instrument 3；55 left end of vacuum tube is connected with magnetic induction loop 7, and 7 top of magnetic induction loop is equipped with miniature tension-compression sensor 8；
7 lower part of magnetic induction loop is connected with soil sample 6；The second water quantity monitoring instrument 5 and water control valve 4 are connected on the pipeline on 6 right side of soil sample；Soil sample
6 bottoms are equipped with water pipe check valve 54；Top inside soil sample 6 is equipped with the second permeable stone 56, and the bottom inside soil sample 6 is equipped with water plug
57。
Left side first servo motor 9 provides power for the ring effect of cutting, and nut 10 is used to clamping rings linear guides 16, watches the
One servo motor 9 is connected with torsion sensor 13 by the 4th shaft coupling 12, and torsion sensor 13 is used to record to establish size,
Corresponding data can be transmitted in data processing system by data collection system.Reverse gear 15 by third shaft coupling 14 with it is upper
Portion's building is connected, and constructs rotation in the drive lower part of first servo motor 9, rotating mechanism is as follows: linear bearing 17 is embedded with
Two rows of balls, and by the constraint of annulus linear guides 16, round turntable 18, it can thus achieve torsion gear 15 and drive circle
Shape turntable 18 rotates.In addition, round turntable 18, annulus linear guides 16 have corresponding ball groove, it is therefore an objective to make linear axes
It is more smooth to hold 17 rollings, will not misplace；And 17 ball of linear bearing is connected with steel disc, the anti-locking apparatus of purpose is used for multiple times
Afterwards, part ball is not locked due to wearing in rolling.One short axle of round turntable 18 envisaged underneath, it is therefore an objective to make corner
Sensor 46 is connected to record its torsion and cut rotational angle by the 8th shaft coupling 45 with it.Second Linear displacement transducer 47 is used to
It measures e-p test and pushes 37 volume under pressure of cover board, fixed steel disc 48 fixes the second Linear displacement transducer 47, and second shaft coupling 49 connects
It connects the second Linear displacement transducer 47 and e-p test and pushes cover board 37, the second torsion reinforcing ring 19, second reverses reinforcing ring 36 etc.
Cutting its torsion, compression is more stable, reinforces the mechanical characteristic of building.There is design hole on second Linear displacement transducer 47, is used to
Draining, its underpart design have the groove for placing the second permeable stone 38；It tests native ring 39 to be used to constrain soil sample, why be designed to more
It is stacked layer by layer, it is to facilitate to meet the needs that ring cuts the different torsion shear angle degree of experiment according to different experiments demand；Soil sample pedestal 42 is used to
Holding soil sample, and the water that discharge compression generates, interior design have drainage hole and water-feeding hole；Horizontal linear track 44 is when experiment
Terminate or replace soil body sample；Manpower pull can be facilitated to replace, facilitate implementation；Chassis 43 supports entire experimental provision.
The second servo motor of the right 20 provides compression power；Retarder 21 changes direction of motor rotation；Balance 22 adjusts device
Center；5th shaft coupling 23 couples retarder 21, linear guides 25；Translate guide block 24, linear guides 25 are linear mould group
Composition building, translation guide block 24 with motor rotate and rotate, drive linear guides 25 move down；Tension-compression sensor 28 transmits
Pressure size；First axis sliding separator 29, second slide axially separator 32 be make reverse blade 34, e-p test under
37 stress homology module of cover clamp and isolated building, reverse that blade 34, e-p test pushes cover board 37 and moves downward jointly makes when initial
Soil sample is compressed, after the completion of soil sample consolidation.Torsion blade 34 makes under the drive of third servo motor 33 under testing with e-p
Cover clamp 37 separates, and incision enters the soil body, so that carrying out subsequent ring cuts experiment；It reverses blade 34 and shears the soil body.
This instrument integrates three soil sample e-p compression test, power ring shear test, soil sample index Tests, specific as follows:
(1) it during the test of soil sample e-p compression curve, can be precisely accomplished by computer-controlled servo motor.Vertically
In servo motor loading procedure, bidirectional couple closed-loop control is realized by force snesor and displacement sensor, can be drawn continuous
E-p compression curve, more traditional discrete described point draws compression curve, and more rationally (conventional compression curve generally solves normal pressure
The discrete point of void ratio in the case of 50kPa, 100kPa, 200kPa, 400kPa).E-p compression member installation diagram is as shown in Figure 5.
(2) during annular soil sample power torsion shear test, different positive pressures can be completed by computer-controlled servo motor
Circulation shear test in the case of power, different shearing frequencies, different shear strains.Circumferential servo motor applies torque load process
In, bidirectional couple closed-loop control is realized by torsion sensor and angular displacement sensor；Applied simultaneously by vertical servo motor
Give annulus soil sample corresponding normal pressure；On the one hand annular soil sample can use upper and lower surface and apply permeable stone to simulate permeable side
On the other hand boundary can use special rubber film and wrap up annular soil sample, to simulate the impervious boundary of soil sample.Pass through change
The annular vertical normal pressure of soil sample, can simulate the fatigue resistance and dynamic shear modulus under annular soil sample cyclic load.This ring-type
During soil sample test is cut in torsion, in order to reduce the constraint of soil sample twist process middle ring knife-edge bound pair soil sample, along cyclic annular soil sample axis
Cutting ring is divided into multiple smooth torus by line direction.It is as shown in Figure 6 that part assembling drawing is cut in dynamic torsion.
(3) cylinder soil sample void ratio measurement test: cylindric soil sample is packed into test box using cutting ring, passes through electromagnet
Test soil sample is adsorbed in tension sensor, soil sample bulk density is acquired by pulling force；Then, former by water pressure equipment utilization negative pressure
Cylinder soil sample is saturated by reason, measures the saturated unit weight of cylinder soil sample again；Finally, public by three index conversions of soil mechanics
Formula acquires soil sample void ratio, and derives remaining corresponding soil mechanics physical parameter.Void ratio test installation diagram such as 6, Fig. 8
It is shown.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (2)
1. a kind of geotechnique's compression, large deformation ring shear apparatus, it is characterised in that: including chassis, on the chassis upper surface
It is provided with horizontal linear track；The chassis top is equipped with soil sample pedestal；Soil sample pedestal top is equipped with the first torsion
Reinforcing ring；First torsion reinforcing ring top is equipped with the first permeable stone；It is equipped with outside first permeable stone and tests native ring；Institute
The first permeable stone top is stated equipped with the second permeable stone；Second permeable stone top is equipped with e-p test and pushes cover board；The e-p
Test pushes cover board top and is equipped with the first Linear displacement transducer and first shaft coupling；First Linear displacement transducer top
Equipped with the second torsion reinforcing ring；Second torsion reinforcing ring top is equipped with fixed truss；The fixed truss top is equipped with the
Two shaft couplings；The second shaft coupling top is equipped with fixed steel disc；The second torsion reinforcing ring, institute are equipped with outside the fixed steel disc
The second torsion reinforcing ring top is stated equipped with the second Linear displacement transducer and fixed steel disc；It is set inside the second torsion reinforcing ring
There are the 8th shaft coupling and rotary angle transmitter；Second torsion reinforcing ring top is equipped with round turntable, the round turntable top
Equipped with linear bearing, the linear bearing top is equipped with annulus linear guides, and the linear guide rail interior of annulus is equipped with torsion tooth
Wheel and third shaft coupling；Third shaft coupling top is equipped with torsion sensor and the 4th shaft coupling；On 4th shaft coupling
Portion is equipped with torsion electric support platform；The torsion electric support platform is equipped with nut；On the torsion electric support platform
Portion is equipped with first servo motor；The nut lower side is equipped with the second servo motor, retarder and balance；It is described to match
Weight balance weight lower part is equipped with the 5th shaft coupling, and translation guide block, linear guides and the 6th shaft coupling are equipped with outside the 5th shaft coupling
Device；The 6th shaft coupling lower part is equipped with the resistance of linear mould and tension-compression sensor；The tension-compression sensor lower part is equipped with first axis
Slide separator；First axis sliding separator lower part turns screw and interior turn nut in being equipped with；The interior turn nut lower part
It slides axially separator and third servo motor equipped with the 7th shaft coupling, second；Third is equipped with outside the third servo motor
Reinforcing ring is reversed, third torsion reinforcing ring lower part is equipped with torsion blade.
2. a kind of geotechnique's compression according to claim 1, large deformation ring shear apparatus, it is characterised in that: geotechnique compression, big change
Shape ring shear apparatus further include out water controller and water inlet controller, out water controller setting water inlet controller upper position；Water outlet
The left side of the controller is connected with vacuum tube, and vacuum tube is equipped with joint valve and the first water quantity monitoring instrument；Vacuum tube left end is connected with magnetic
Feel coil, magnetic induction loop top is equipped with miniature tension-compression sensor；Magnetic induction loop lower part is connected with soil sample；On pipeline on the right side of soil sample
It is connected with the second water quantity monitoring instrument and water control valve；Soil sample bottom is equipped with water pipe check valve；Top inside soil sample is equipped with second thoroughly
Water stone, the bottom inside soil sample are equipped with water plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297665.6A CN109946173B (en) | 2019-04-15 | 2019-04-15 | Geotechnical compression and large deformation cyclic ring shear apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297665.6A CN109946173B (en) | 2019-04-15 | 2019-04-15 | Geotechnical compression and large deformation cyclic ring shear apparatus |
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| Publication Number | Publication Date |
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| CN109946173A true CN109946173A (en) | 2019-06-28 |
| CN109946173B CN109946173B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910297665.6A Active CN109946173B (en) | 2019-04-15 | 2019-04-15 | Geotechnical compression and large deformation cyclic ring shear apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243701A (en) * | 2019-07-05 | 2019-09-17 | 山东科技大学 | A kind of Bolted Rock Masses torsional shear test device and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2603967A (en) * | 1947-09-05 | 1952-07-22 | Carlson Lyman Otto Theodore | Apparatus for measuring the torsional shear strength of soil |
| CN101949800A (en) * | 2010-08-24 | 2011-01-19 | 清华大学 | Pressing-twisting multi-shaft loading testing machine |
| CN102272572A (en) * | 2009-01-09 | 2011-12-07 | 特罗克斯勒电子实验室有限公司 | Gyratory compactor apparatuses and associated methods |
| CN103115832A (en) * | 2013-01-25 | 2013-05-22 | 北京航空航天大学 | Tester for soil pressure bearing and shearing test |
| CN104142277A (en) * | 2014-08-08 | 2014-11-12 | 重庆大学 | Soil body torsion shear seepage testing device and testing method |
| CN105527175A (en) * | 2016-01-22 | 2016-04-27 | 湘潭大学 | Soil engineering triaxial shear test equipment based on MTS electro-hydraulic servo tester |
| CN205786019U (en) * | 2016-07-11 | 2016-12-07 | 中国地震局兰州地震研究所 | Sample sample preparation and demoulding equipment are cut in a kind of pressure-controlled loess hollow cylinder circulation torsion |
| CN106290006A (en) * | 2016-08-08 | 2017-01-04 | 河海大学 | A kind of assay device measuring the change of shear strength parameter in soft clay consolidation process |
| CN106644765A (en) * | 2017-01-09 | 2017-05-10 | 浙江大学 | Ring-shearing instrument used in indoor test pile soil interface and detection method |
| CN108225945A (en) * | 2018-02-01 | 2018-06-29 | 福建省地质工程勘察院 | A kind of stacked ring type ring shear apparatus and stacked ring shear test |
-
2019
- 2019-04-15 CN CN201910297665.6A patent/CN109946173B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2603967A (en) * | 1947-09-05 | 1952-07-22 | Carlson Lyman Otto Theodore | Apparatus for measuring the torsional shear strength of soil |
| CN102272572A (en) * | 2009-01-09 | 2011-12-07 | 特罗克斯勒电子实验室有限公司 | Gyratory compactor apparatuses and associated methods |
| CN101949800A (en) * | 2010-08-24 | 2011-01-19 | 清华大学 | Pressing-twisting multi-shaft loading testing machine |
| CN103115832A (en) * | 2013-01-25 | 2013-05-22 | 北京航空航天大学 | Tester for soil pressure bearing and shearing test |
| CN104142277A (en) * | 2014-08-08 | 2014-11-12 | 重庆大学 | Soil body torsion shear seepage testing device and testing method |
| CN105527175A (en) * | 2016-01-22 | 2016-04-27 | 湘潭大学 | Soil engineering triaxial shear test equipment based on MTS electro-hydraulic servo tester |
| CN205786019U (en) * | 2016-07-11 | 2016-12-07 | 中国地震局兰州地震研究所 | Sample sample preparation and demoulding equipment are cut in a kind of pressure-controlled loess hollow cylinder circulation torsion |
| CN106290006A (en) * | 2016-08-08 | 2017-01-04 | 河海大学 | A kind of assay device measuring the change of shear strength parameter in soft clay consolidation process |
| CN106644765A (en) * | 2017-01-09 | 2017-05-10 | 浙江大学 | Ring-shearing instrument used in indoor test pile soil interface and detection method |
| CN108225945A (en) * | 2018-02-01 | 2018-06-29 | 福建省地质工程勘察院 | A kind of stacked ring type ring shear apparatus and stacked ring shear test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243701A (en) * | 2019-07-05 | 2019-09-17 | 山东科技大学 | A kind of Bolted Rock Masses torsional shear test device and method |
| CN110243701B (en) * | 2019-07-05 | 2022-02-01 | 山东科技大学 | Torsion shear test device and method for anchored rock mass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109946173B (en) | 2020-06-30 |
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