CN109870366A - A kind of the 3 D deformation experiment loading unit and method of roadbed filling - Google Patents
A kind of the 3 D deformation experiment loading unit and method of roadbed filling Download PDFInfo
- Publication number
- CN109870366A CN109870366A CN201910204503.3A CN201910204503A CN109870366A CN 109870366 A CN109870366 A CN 109870366A CN 201910204503 A CN201910204503 A CN 201910204503A CN 109870366 A CN109870366 A CN 109870366A
- Authority
- CN
- China
- Prior art keywords
- plate
- load plate
- sample
- driving device
- load
- 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
- 238000011068 loading method Methods 0.000 title claims abstract description 27
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004816 latex Substances 0.000 claims description 6
- 229920000126 latex Polymers 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 208000012826 adjustment disease Diseases 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 230000000452 restraining effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses the 3 D deformation experiment loading units and method of a kind of roadbed filling, including horizontally disposed bottom plate, protrusion is formed with rectangular specimen cushion cap in the middle part of bottom plate, the sample is arranged on sample cushion cap, sample cushion cap opposite sides is respectively equipped with fixing steel plate, is equipped with rectangular stress hole in the middle part of fixing steel plate, equipped with the X with its clearance fit to load plate in stress hole, X is driven by X to driving device to load plate, applies X to stress to sample；Y-direction load plate is equipped between fixing steel plate, Y-direction load plate is driven by Y-direction driving device, applies Y-direction stress to sample；Z-direction load plate is additionally provided between fixing steel plate, Z-direction load plate is arranged above sample cushion cap, and Z-direction load plate is driven by Z-direction driving device, applies Z-direction power or static load to sample.The present invention can apply different restraining forces to sample, utmostly to simulate the deformation process of roadbed filling, so that the design for roadbed provides more accurate parameter recommendation.
Description
Technical field
The present invention relates to geotechnical engineering test field more particularly to a kind of 3 D deformation experiment loading units of roadbed filling
And method.
Background technique
Non-fragment orbit using more and more common, requires also to be increasingly stringenter in high speed railway construction to the control of sedimentation,
Wherein post-construction settlement of subgrade control has become the key of roadbed design, and the deformation characteristic for fully realizing roadbed filling is that have very much must
It wants.Carrying out the capital equipment that deformation test uses to roadbed filling at present has triaxial apparatus, direct shear apparatus, MTS etc., wherein triaxial apparatus
Sidewise restraint can be applied to Rock And Soil, it is most widely used.High-speed railway subgrade is larger along line direction length, in train lotus
It carries and the lower deformation of upper track structural load effect is relatively small, and it is relatively small along horizontal path direction size, deform phase
To larger.But it is anisotropic using the modified difference that triaxial apparatus does not account for vertical and horizontal during the test, cause surrounding laterally to become
Shape reaches unanimity, this obviously with engineering practice grave fault.Existing roadbed filling experimental rig does not have fine simulation
The deformation characteristics of high-speed railway subgrade, it is difficult to ensure that the precision of test data.Therefore, need develop one kind can be more acurrate
The experimental rig of the deformation behaviour of coarse-grained soil is simulated, so that the design for roadbed provides more accurate parameter recommendation.
Summary of the invention
The object of the present invention is to provide the 3 D deformation experiment loading units and method of a kind of roadbed filling, can be to sample
Apply different restraining forces to simulate the deformation process of live roadbed filling.
For achieving the above object, the technical scheme is that a kind of 3 D deformation of roadbed filling tests load
Device, can be used for simulating the 3 D deformation situation of flat column roadbed filling sample, including horizontally disposed bottom plate, and bottom plate middle part is convex
It is formed with rectangular specimen cushion cap out, the sample is arranged on sample cushion cap, and sample cushion cap opposite sides is respectively equipped with positioning steel
Plate is fixed by Screw arbor with nut at both-ends between fixing steel plate, is equipped with rectangular stress hole in the middle part of fixing steel plate, in stress hole equipped with and its gap
The X of cooperation is greater than fixing steel plate thickness to load plate thickness to load plate, X, and X is driven by X to driving device to load plate, right
Sample applies X to stress；Y-direction load plate is equipped between fixing steel plate, Y-direction load plate is perpendicular to fixing steel plate, Y-direction load plate quantity
For two and it is separately positioned on sample cushion cap both sides of the upper end, Y-direction load plate is driven by Y-direction driving device, applies Y to sample
To stress；Z-direction load plate is additionally provided between fixing steel plate, Z-direction load plate is arranged above sample cushion cap, and Z-direction load plate passes through Z-direction
Driving device driving applies Z-direction power or static load to sample；
The X is all provided with force sensor between load plate, Y-direction load plate, Z-direction load plate and corresponding driving device；The X is to drive
Horizontal displacement sensors are equipped on dynamic device, Y-direction driving device；The Z-direction driving device is equipped with vertical displacement sensor.
It further, further include rectangle support, rectangle support is equipped with crossbeam corresponding with each load plate, and the X is to drive
Dynamic device/Y-direction driving device is separately positioned on corresponding crossbeam；
The X includes the screw rod being coaxially disposed, transmission shaft to driving device/Y-direction driving device, and is set in outside screw rod
Ball, screw rod one end are connected with lateral bearing plate, and lateral bearing plate is connected by force snesor with corresponding load plate, the level
Displacement sensor is arranged on lateral bearing plate, and spring is also arranged with outside screw rod, and spring is arranged between ball and lateral bearing plate；
Transmission shaft is hollow shaft and one end is sleeved on outside the ball, and the transmission shaft other end and the crossbeam are rotatablely connected, and transmission shaft is logical
Crossing positive and negative rotation drives ball and screw rod to roll cooperation, makes screw rod that lateral bearing plate be driven to move reciprocatingly along its axial direction；
The transmission shaft is externally provided with gear, and the first installation axle for being parallel to the transmission shaft and the second peace are additionally provided on the crossbeam
Fill axis, be arranged with the coarse adjustment gear engaged with gear in the first installation axle, be arranged in the second installation axle engaged with gear it is micro-
Adjust gear.
It further, further include longitudinal bracing device, the Z-direction driving device is arranged on longitudinal bracing device；
The longitudinal bracing device is reaction frame, and the Z-direction driving device includes the actuator being vertically installed on reaction frame, is made
Dynamic device output end is downward and is connected with longitudinal bearing plate, and longitudinal bearing plate is connect by force snesor with the Z-direction load plate.
Further, the X is equipped with limited step to load plate outer rim, and limitation X enters the depth in stress hole to load plate.
Further, the fixing steel plate, X are L-type steel plate to load plate, and X is equipped with X to pulley to load plate lower end,
The fixing steel plate bottom is equipped with the guide groove slided for X to pulley.
Further, the Y-direction load plate is groove profile steel plate, and Y-direction load plate lower end is equipped with Y-direction pulley, in Y-direction load plate
End is equipped with directive wheel, and the fixing steel plate inner top side is equipped with directive wheel limit plate, limits the Z-direction freedom degree of Y-direction load plate.
Further, the transmission shaft is equipped with air level.
A kind of loading method of the 3 D deformation experiment loading unit of roadbed filling, comprising the following steps:
Step 1, sample production: emulsion film a set of is located on sample cushion cap, the split punching block on latex film outer sheath, according to " iron
Road engineering earthwork test rule TB10102-2010 " it requires, layering prepares flat column roadbed filling sample, sample in latex film
Punching block is removed after completing；
Step 2, component installation: fixing steel plate is installed in sample cushion cap two sides, and is fixed using Screw arbor with nut at both-ends, is pacified in positioning hole
X is filled to load plate, Y-direction load plate, limit plate are installed between fixing steel plate；Counter-force rack position is adjusted, Z-direction is installed on reaction frame
Driving device installs Z-direction load plate in Z-direction driving device output end；Install rectangle support, installed respectively on each crossbeam X to
Driving device/Y-direction driving device；The bearing plate of each driving device is connected with corresponding load plate using force snesor, in longitudinal direction
Vertical displacement sensor is installed on bearing plate, horizontal displacement sensors are installed on lateral bearing plate；
Step 3, device debugging: after each component installation of experiment loading unit, check whether load bar is horizontal with air level, check
X whether there is card slot phenomenon to load plate, Y-direction load plate；
Step 4, lateral pressure apply: adjustment reaction frame height keeps Z-direction load plate to contact with soil sample；Rotate each driving device
Coarse adjustment gear, apply the lateral confining pressure of surrounding, with the lateral confining pressure size of force snesor real-time monitoring, when surrounding confining pressure substantially tends to
When consistent, rotation fine tuning gear mesh surrounding lateral pressure is finely adjusted, and surrounding confining pressure is kept to reach unanimity；
Step 5, sample load: opening actuator, applies axial power or static load, passes through vertical displacement sensor, level
Displacement sensor observes soil sample 3 D deformation situation, obtains roadbed filling deformation characteristics by analysis data.
The beneficial effects of the present invention are: the present invention can apply different restraining forces to sample, utmostly to simulate roadbed
The deformation process of filler, so that the design for roadbed provides more accurate parameter recommendation.The configuration of the present invention is simple, operation side
Just, convenient for popularization and use.
Detailed description of the invention
Fig. 1 is the longitudinal section view of the 3 D deformation experiment loading unit of roadbed filling of the present invention；
Fig. 2 is the sectional elevation of the 3 D deformation experiment loading unit of roadbed filling of the present invention；
Fig. 3 is the assembling schematic diagram of the 3 D deformation experiment loading unit of roadbed filling of the present invention；
Fig. 4 is X to load plate, the assembling schematic diagram of Y-direction load plate；
Fig. 5 is X to driving device/Y-direction driving device assembling schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figs. 1-5, the 3 D deformation experiment loading unit of a kind of roadbed filling can be used for simulating flat column roadbed and fill out
Expect the 3 D deformation situation of sample, including horizontally disposed bottom plate 1, protrusion is formed with rectangular specimen cushion cap 2, institute in the middle part of bottom plate 1
It states sample 100 to be arranged on sample cushion cap 2,2 opposite sides of sample cushion cap is respectively equipped with fixing steel plate 3, passes through between fixing steel plate 3
Screw arbor with nut at both-ends 4 is fixed, and rectangular stress hole 5 is equipped in the middle part of fixing steel plate 3, is equipped in stress hole 5 with the X of its clearance fit to load
Plate 6, X are greater than 3 thickness of fixing steel plate to 6 thickness of load plate, and X is driven to driving device 7 by X to load plate 6, applied to sample
X is to stress；X is equipped with limited step 8 to 6 outer rim of load plate, and limitation X enters the depth in stress hole 5 to load plate 6；Fixing steel plate 3
Between be equipped with Y-direction load plate 9, perpendicular to fixing steel plate 3,9 quantity of Y-direction load plate is two and is separately positioned on examination Y-direction load plate 9
2 both sides of the upper end of sample cushion cap, Y-direction load plate 9 are driven by Y-direction driving device 10, apply Y-direction stress to sample；Fixing steel plate 3
Between be additionally provided with Z-direction load plate 11, Z-direction load plate 11 is arranged sample cushion cap 2 above, and Z-direction load plate 11 passes through Z-direction driving device
12 drivings apply Z-direction power or static load to sample；The fixing steel plate 3, X are L-type steel plate to load plate 6, and X is to adding
6 lower end of support plate is equipped with X to pulley 13, and 3 bottom of fixing steel plate is equipped with the guide groove 14 slided for X to pulley 13；The Y-direction adds
Support plate 9 is groove profile steel plate, and 9 lower end of Y-direction load plate is equipped with Y-direction pulley 15, and 9 upper end of Y-direction load plate is equipped with directive wheel 16, described fixed
Position 3 inner top side of steel plate is equipped with directive wheel limit plate 17, limits the Z-direction freedom degree of Y-direction load plate 9.
The X is all provided with force sensor between load plate 6, Y-direction load plate 9, Z-direction load plate 11 and corresponding driving device
18；The X is equipped with horizontal displacement sensors 19 in driving device 7, Y-direction driving device 10；In the Z-direction driving device 12
Equipped with vertical displacement sensor 20.
It further include rectangle support 21, rectangle support 21 is equipped with crossbeam 22 corresponding with each load plate, and the X is filled to driving
7/Y is set to be separately positioned on corresponding crossbeam 22 to driving device 10；As shown in figure 5, the X is filled to driving device 7/Y to driving
Setting 10 includes the screw rod 701 being coaxially disposed, transmission shaft 702, and the ball 703 being set in outside screw rod 701, screw rod 701 1
End is connected with lateral bearing plate 704, and lateral bearing plate 704 is connected by force snesor 18 with corresponding load plate, the horizontal position
Displacement sensor 19 is arranged on lateral bearing plate 704, and spring 705 is also arranged with outside screw rod 701, and spring 705 is arranged in ball 703
Between lateral bearing plate 704；Transmission shaft 702 is hollow shaft and one end is sleeved on outside the ball 703,702 other end of transmission shaft
It is rotatablely connected with the crossbeam 22, transmission shaft 702 drives ball 703 and screw rod 701 to roll cooperation by positive and negative rotation, makes screw rod
701 drive lateral bearing plate 704 to move reciprocatingly along its axial direction；The transmission shaft 702 is externally provided with gear 706, the crossbeam 202
On be additionally provided with the first installation axle 77 and the second installation axle 708 for being parallel to the transmission shaft 702, be arranged in the first installation axle 707
There is the coarse adjustment gear 709 engaged with gear 706, the fine tuning gear 710 engaged with gear 706 is arranged in the second installation axle 708.
The transmission shaft 702 is equipped with air level 711.
It further include longitudinal bracing device 23, the Z-direction driving device 12 is arranged on longitudinal bracing device 23；The longitudinal direction
Support device 23 is reaction frame, and the Z-direction driving device 12 includes the actuator 121 being vertically installed on reaction frame, actuator
121 output ends are downward and are connected with longitudinal bearing plate 122, and longitudinal bearing plate 122 passes through force snesor 18 and the Z-direction load plate
11 connections.
A kind of loading method of the 3 D deformation experiment loading unit of roadbed filling, comprising the following steps:
Step 1, sample production: emulsion film a set of is located on sample cushion cap, the split punching block on latex film outer sheath, according to " iron
Road engineering earthwork test rule TB10102-2010 " it requires, layering prepares flat column roadbed filling sample, sample in latex film
Punching block is removed after completing；
Step 2, component installation: fixing steel plate is installed in sample cushion cap two sides, and is fixed using Screw arbor with nut at both-ends, is pacified in positioning hole
X is filled to load plate, Y-direction load plate, limit plate are installed between fixing steel plate；Counter-force rack position is adjusted, Z-direction is installed on reaction frame
Driving device installs Z-direction load plate in Z-direction driving device output end；Install rectangle support, installed respectively on each crossbeam X to
Driving device/Y-direction driving device；The bearing plate of each driving device is connected with corresponding load plate using force snesor, in longitudinal direction
Vertical displacement sensor is installed on bearing plate, horizontal displacement sensors are installed on lateral bearing plate；
Step 3, device debugging: after each component installation of experiment loading unit, check whether load bar is horizontal with air level, check
X whether there is card slot phenomenon to load plate, Y-direction load plate；
Step 4, lateral pressure apply: adjustment reaction frame height keeps Z-direction load plate to contact with soil sample；Rotate each driving device
Coarse adjustment gear, apply the lateral confining pressure of surrounding, with the lateral confining pressure size of force snesor real-time monitoring, when surrounding confining pressure substantially tends to
When consistent, rotation fine tuning gear mesh surrounding lateral pressure is finely adjusted, and surrounding confining pressure is kept to reach unanimity；
Step 5, sample load: opening actuator, applies axial power or static load, passes through vertical displacement sensor, level
Displacement sensor observes soil sample 3 D deformation situation, obtains roadbed filling deformation characteristics by analysis data.
The present invention can apply different restraining forces to sample, utmostly to simulate the deformation process of roadbed filling, so as to
More accurate parameter recommendation is provided for the design of roadbed.It is the configuration of the present invention is simple, easy to operate, convenient for promoting the use of.
Further, the 3 D deformation experiment loading unit of above-mentioned roadbed filling can also adding by limitation either direction
Support plate carries out the two-dimentional deformation test of roadbed filling.
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to the scope of the present invention.
Claims (8)
1. a kind of 3 D deformation experiment loading unit of roadbed filling can be used for simulating the three-dimensional of flat column roadbed filling sample and become
Shape situation, which is characterized in that including horizontally disposed bottom plate, protrusion is formed with rectangular specimen cushion cap, the sample in the middle part of bottom plate
It is arranged on sample cushion cap, sample cushion cap opposite sides is respectively equipped with fixing steel plate, it is fixed between fixing steel plate by Screw arbor with nut at both-ends,
It is equipped with rectangular stress hole in the middle part of fixing steel plate, is equipped in stress hole with the X of its clearance fit to load plate, X is to loading plate thickness
Greater than fixing steel plate thickness, X is driven by X to driving device to load plate, applies X to stress to sample；It is set between fixing steel plate
There is Y-direction load plate, perpendicular to fixing steel plate, Y-direction load plate quantity is two and is separately positioned on sample cushion cap Y-direction load plate
End face two sides, Y-direction load plate are driven by Y-direction driving device, apply Y-direction stress to sample；Z-direction is additionally provided between fixing steel plate to add
Support plate, Z-direction load plate are arranged above sample cushion cap, and Z-direction load plate is driven by Z-direction driving device, and it is dynamic to apply Z-direction to sample
Power or static load；
The X is all provided with force sensor between load plate, Y-direction load plate, Z-direction load plate and corresponding driving device；The X is to drive
Horizontal displacement sensors are equipped on dynamic device, Y-direction driving device；The Z-direction driving device is equipped with vertical displacement sensor.
2. a kind of 3 D deformation experiment loading unit of roadbed filling as described in claim 1, which is characterized in that further include square
Shape bracket, rectangle support are equipped with crossbeam corresponding with each load plate, and the X is respectively set to driving device/Y-direction driving device
On corresponding crossbeam；
The X includes the screw rod being coaxially disposed, transmission shaft to driving device/Y-direction driving device, and is set in outside screw rod
Ball, screw rod one end are connected with lateral bearing plate, and lateral bearing plate is connected by force snesor with corresponding load plate, the level
Displacement sensor is arranged on lateral bearing plate, and spring is also arranged with outside screw rod, and spring is arranged between ball and lateral bearing plate；
Transmission shaft is hollow shaft and one end is sleeved on outside the ball, and the transmission shaft other end and the crossbeam are rotatablely connected, and transmission shaft is logical
Crossing positive and negative rotation drives ball and screw rod to roll cooperation, makes screw rod that lateral bearing plate be driven to move reciprocatingly along its axial direction；
The transmission shaft is externally provided with gear, and the first installation axle for being parallel to the transmission shaft and the second peace are additionally provided on the crossbeam
Fill axis, be arranged with the coarse adjustment gear engaged with gear in the first installation axle, be arranged in the second installation axle engaged with gear it is micro-
Adjust gear.
3. a kind of 3 D deformation experiment loading unit of roadbed filling as described in claim 1, which is characterized in that further include indulging
To support device, the Z-direction driving device is arranged on longitudinal bracing device；
The longitudinal bracing device is reaction frame, and the Z-direction driving device includes the actuator being vertically installed on reaction frame, is made
Dynamic device output end is downward and is connected with longitudinal bearing plate, and longitudinal bearing plate is connect by force snesor with the Z-direction load plate.
4. a kind of 3 D deformation experiment loading unit of roadbed filling as described in claim 1, which is characterized in that the X to
Load plate outer rim is equipped with limited step, and limitation X enters the depth in stress hole to load plate.
5. a kind of 3 D deformation experiment loading unit of roadbed filling as described in claim 1, which is characterized in that the positioning
Steel plate, X are L-type steel plate to load plate, and X is equipped with X to pulley to load plate lower end, the fixing steel plate bottom be equipped with for X to
The guide groove of pulley sliding.
6. a kind of 3 D deformation experiment loading unit of roadbed filling as described in claim 1, which is characterized in that the Y-direction
Load plate is groove profile steel plate, and Y-direction load plate lower end is equipped with Y-direction pulley, and Y-direction load plate upper end is equipped with directive wheel, the positioning steel
Plate inner top side is equipped with directive wheel limit plate, limits the Z-direction freedom degree of Y-direction load plate.
7. a kind of 3 D deformation experiment loading unit of roadbed filling as described in claim 1, which is characterized in that the transmission
Axis is equipped with air level.
8. a kind of loading method of the 3 D deformation experiment loading unit of roadbed filling, which comprises the following steps:
Step 1, sample production: emulsion film a set of is located on sample cushion cap, the split punching block on latex film outer sheath, according to " iron
Road engineering earthwork test rule TB10102-2010 " it requires, layering prepares flat column roadbed filling sample, sample in latex film
Punching block is removed after completing；
Step 2, component installation: fixing steel plate is installed in sample cushion cap two sides, and is fixed using Screw arbor with nut at both-ends, is pacified in positioning hole
X is filled to load plate, Y-direction load plate, limit plate are installed between fixing steel plate；Counter-force rack position is adjusted, Z-direction is installed on reaction frame
Driving device installs Z-direction load plate in Z-direction driving device output end；Install rectangle support, installed respectively on each crossbeam X to
Driving device/Y-direction driving device；The bearing plate of each driving device is connected with corresponding load plate using force snesor, in longitudinal direction
Vertical displacement sensor is installed on bearing plate, horizontal displacement sensors are installed on lateral bearing plate；
Step 3, device debugging: after each component installation of experiment loading unit, check whether load bar is horizontal with air level, check
X whether there is card slot phenomenon to load plate, Y-direction load plate；
Step 4, lateral pressure apply: adjustment reaction frame height keeps Z-direction load plate to contact with soil sample；Rotate each driving device
Coarse adjustment gear, apply the lateral confining pressure of surrounding, with the lateral confining pressure size of force snesor real-time monitoring, when surrounding confining pressure substantially tends to
When consistent, rotation fine tuning gear mesh surrounding lateral pressure is finely adjusted, and surrounding confining pressure is kept to reach unanimity；
Step 5, sample load: opening actuator, applies axial power or static load, passes through vertical displacement sensor, level
Displacement sensor observes soil sample 3 D deformation situation, obtains roadbed filling deformation characteristics by analysis data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204503.3A CN109870366B (en) | 2019-03-18 | 2019-03-18 | Three-dimensional deformation test loading device and method for roadbed filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204503.3A CN109870366B (en) | 2019-03-18 | 2019-03-18 | Three-dimensional deformation test loading device and method for roadbed filling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109870366A true CN109870366A (en) | 2019-06-11 |
| CN109870366B CN109870366B (en) | 2024-02-13 |
Family
ID=66920671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910204503.3A Active CN109870366B (en) | 2019-03-18 | 2019-03-18 | Three-dimensional deformation test loading device and method for roadbed filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870366B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001091424A (en) * | 1999-09-22 | 2001-04-06 | Akashi Corp | Spring limit value testing device and spring limit value measurement method |
| CN106198243A (en) * | 2016-06-15 | 2016-12-07 | 河南理工大学 | The true triaxial of Observable Rock soil similar material deformation fracture adds unloading experimental provision and experimental technique thereof |
| CN209784079U (en) * | 2019-03-18 | 2019-12-13 | 福建工程学院 | three-dimensional deformation test loading device for roadbed filler |
-
2019
- 2019-03-18 CN CN201910204503.3A patent/CN109870366B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001091424A (en) * | 1999-09-22 | 2001-04-06 | Akashi Corp | Spring limit value testing device and spring limit value measurement method |
| CN106198243A (en) * | 2016-06-15 | 2016-12-07 | 河南理工大学 | The true triaxial of Observable Rock soil similar material deformation fracture adds unloading experimental provision and experimental technique thereof |
| CN209784079U (en) * | 2019-03-18 | 2019-12-13 | 福建工程学院 | three-dimensional deformation test loading device for roadbed filler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109870366B (en) | 2024-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108007800B (en) | Model test device and test method for circular dynamic load soil body settlement | |
| CN104374655B (en) | A kind of shock vibration country rock testing equipment | |
| CN106525619A (en) | Fatigue test system for bridge and pavement with roller load | |
| CN105699189A (en) | Annular shearing experimental equipment and method | |
| CN112504843B (en) | Trapdoor model test device under static and dynamic load condition and test method thereof | |
| CN101000292A (en) | Large 3D multifunction soil tester | |
| CN202351024U (en) | Radial durability test device for lining | |
| CN206378381U (en) | Wheeled load bridge and pavement fatigue pilot system | |
| CN102692319A (en) | Passive follow-up force-applied linear guiderail pair test bed with controllable load | |
| US11739494B2 (en) | Device for centrifuge testing of driven pile in different installation and pull-out modes and operation method therefor | |
| CN104165751A (en) | Horizontal vibration type silt settlement testing device | |
| CN107991192A (en) | True triaxial loading test device and method for coarse-grained soil | |
| CN111912593A (en) | Movable vibration exciter for simulating train load and loading method thereof | |
| CN205656069U (en) | Annular shearing experimental equipment | |
| CN114809129A (en) | Spring movable door test device considering influence of uneven settlement on soil arch effect | |
| CN202676449U (en) | Load controllable passive type servo-actuated force application linear guide rail pair test device | |
| CN109870366A (en) | A kind of the 3 D deformation experiment loading unit and method of roadbed filling | |
| CN203323985U (en) | Testing apparatus simulating tunnel power responses under the effects of tidal bores | |
| CN209784079U (en) | three-dimensional deformation test loading device for roadbed filler | |
| CN201425544Y (en) | Triaxial vibration composite test device | |
| CN116593307A (en) | Fracture zone dislocation double-array simulation test system and method | |
| CN206618551U (en) | A kind of high-precision bridge pad pressure testing machine | |
| CN109709822A (en) | A kind of whole star ground semi physical experimental rig of large scale flexible spacecraft | |
| CN206146815U (en) | Indoor survey device of frictional force between soil body and structure thing | |
| CN206095516U (en) | Wheel pair calibration test bench vertical loading system |
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 |