CN207439829U - It is simple to match somebody with somebody coarse-grained soil compression test device - Google Patents
It is simple to match somebody with somebody coarse-grained soil compression test device Download PDFInfo
- Publication number
- CN207439829U CN207439829U CN201721484605.8U CN201721484605U CN207439829U CN 207439829 U CN207439829 U CN 207439829U CN 201721484605 U CN201721484605 U CN 201721484605U CN 207439829 U CN207439829 U CN 207439829U
- Authority
- CN
- China
- Prior art keywords
- coarse
- grained soil
- test
- specimen tube
- hydraulic cylinder
- 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.)
- Expired - Fee Related
Links
- 239000002689 soil Substances 0.000 title claims abstract description 35
- 238000012669 compression test Methods 0.000 title claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 238000002474 experimental method Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
It is a kind of simple with coarse-grained soil compression test device, bottom in reaction frame is provided with servo hydraulic cylinder, installing plate is disposed with from bottom to up in the telescopic rod end of hydraulic cylinder, load transducer, lower pressure transmission plate, test cart, the guide rail to match with test cart wheel is provided on two madial wall of reaction frame or so, the left and right sides is provided with displacement sensor on test cart, water storage cylinder is provided on test cart, test specimen tube is provided in water storage cylinder, equipped with experiment coarse-grained soil in test specimen tube, upload pressing plate is placed on experiment coarse-grained soil, displacement sensor is connected with load transducer with computer.The utility model has influence that is simple in structure, easy to operate, eliminating " dimensional effect ", the advantages of obtaining real engineering characteristic data.
Description
Technical field
The utility model belongs to basis or foundation structure experimental technique field, and in particular to simple with coarse-grained soil compression examination
Experiment device.
Background technology
Engineering circles mainly use interior to the research of build a dam coarse-grained soils mechanical characteristic, deformation characteristic and Penetration Signature at present
Triaxial tester, compressing tester, direct shear test instrument and seepage deformation tester carry out experimental study.Common shop test equipment
Specimen finish be generally 300mm, corresponding test material particle maximum particle diameter is 60mm.Test sample maximum particle diameter limits, room
It needs to carry out reduced scale processing to prototype dam material in interior experiment, be tested using the sample of reduced size, so as to cause to test
Room testing of materials result and the difference of former dam materials gradation engineering characteristic, cause result of the test and the property of actual dam body sandy gravel to be deposited
In dimensional effect, damming works are impacted.
Utility model content
The shortcomings that the technical problem to be solved by the utility model is to overcome existing experimental rig, provides a kind of design and closes
It manages, is simple in structure, eliminating the simple with coarse-grained soil compression test device of dimensional effect.
Technical solution is used by solving above-mentioned technical problem：It is simple to match somebody with somebody coarse-grained soil compression test device, including counter-force
Bottom is provided with hydraulic cylinder in frame, is disposed with installing plate, load sensing in the telescopic rod end of hydraulic cylinder from bottom to up
Device, lower pressure transmission plate are provided with the guide rail to match with test cart wheel on two madial wall of test cart, reaction frame or so,
The left and right sides is provided with displacement sensor on test cart, and water storage cylinder is provided on test cart, sample is provided in water storage cylinder
Cylinder equipped with experiment coarse-grained soil in test specimen tube, is tested and upload pressing plate is placed on coarse-grained soil, displacement sensor and load transducer with
Computer is connected.
As a kind of perferred technical scheme, the reaction frame is by upper beam, bottom end rail, left plate, right plate
The rectangular frame of composition.
As a kind of perferred technical scheme, the hydraulic cylinder is servo hydraulic cylinder.
As a kind of perferred technical scheme, the test specimen tube diameter should be 3~5 times of coarse-grained soil maximum particle diameter, examination
Sample cylinder diameter is 2.0~2.5 times of height.
The beneficial effects of the utility model are as follows：
The utility model, which is used, to be packed into coarse-grained soil and is compacted in test specimen tube, and pressing plate will be uploaded after compaction by rolling is levelling and is packed into sample
Test cart is pushed into reaction frame by cylinder along track, and hydraulic cylinder jacks supreme pressure transmission plate and contacted with the upper beam of reaction frame, connect
Hydraulic cylinder stops jacking after touch, starts to test, the displacement data that displacement sensor is compressed the experiment coarse-grained soil collected is defeated
Enter to computer, the stress that the thick grogs of experiment collected is born is input to computer by load transducer, and computer is automatic
Generate Stress displacement curve or time-displacement curve or time stress curve.The utility model does not change the maximum for changing coarse-grained soil
Grain size is tested using simple dispensing, and result of the test is consistent with engineering entity, eliminates dimensional effect, is become for analysis dam
Shape and evaluation dam material feasibility provide technical support.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the right view of Fig. 1.
Specific embodiment
With reference to the accompanying drawings and examples to the utility model be further described, but the utility model be not limited to it is following
Embodiment.
Embodiment 1
In Fig. 1,2, the simple coarse-grained soil compression test device of matching somebody with somebody of the present embodiment is by reaction frame 1, upload pressing plate 2, examination
Sample cylinder 3, water storage cylinder 4, displacement sensor 5, load transducer 6, guide rail 7, servo hydraulic cylinder 8, installing plate 9, test cart 10, under
Pressure transmission plate 11, computer 12 connect and compose.
The structure of reaction frame 1 is the rectangular frame being made of upper beam, bottom end rail, left plate, right plate, by counter-force frame
Frame 1 is put into the test pit on ground, and servo is fixedly connected with screw threads for fastening connector on the bottom end rail of bottom in reaction frame 1
Hydraulic cylinder 8, the telescopic rod end of servo hydraulic cylinder 8 are sequentially installed with installing plate 9, load transducer 6, lower pressure transmission plate from bottom to up
11st, test cart 10, the pressure that load transducer 6 is born for acquisition experiment coarse-grained soil, the left plate of reaction frame 1 and the right side
Middle part is installed with guide rail 7 with screw threads for fastening connector on side plate, and 7 other end of guide rail is laid on the ground, facilitates experiment small
Vehicle 10 is walked, and Matching installation has a test cart 10 on guide rail 7, and the left and right sides is equipped with displacement sensor 5, position on test cart 10
Displacement sensor 5 is connected with load transducer 6 with computer 12, the corresponding data that displacement sensor will be collected with load transducer 6
Computer 12 is transferred to, which is shown and stored by computer 12, is equipped on the bottom plate of test cart 10 and is satisfied for sample
The water storage cylinder 4 of sum is equipped with test specimen tube 3 in water butt, fills water between water storage cylinder 4 and test cylinder, equipped with experiment in test specimen tube 3
Coarse-grained soil tests to be placed with uploading pressing plate 2 on coarse-grained soil, and 4 times of 3 a diameter of coarse-grained soil maximum particle diameter of test specimen tube, test specimen tube 3 is straight
Footpath is 2.2 times of height.
Coarse-grained soil is packed into test specimen tube 3 and is compacted, pressing plate 2 will be uploaded after compaction by rolling is levelling and is packed into test specimen tube 3, will be tried along track
It tests trolley 10 and is pushed into reaction frame 1, hydraulic cylinder jacks supreme pressure transmission plate 2 and contacted with the upper beam of reaction frame 1, hydraulic pressure after contact
Cylinder stops jacking, starts to test, the displacement data that the experiment coarse-grained soil collected is compressed is input to calculating by displacement sensor 5
The stress that the thick grogs of experiment collected is born is input to computer 12 by machine 12, load transducer 6, and computer 12 is automatically raw
Into Stress displacement curve or time-displacement curve or time stress curve.
Embodiment 2
In the present embodiment, water storage cylinder 4 on the bottom plate of test cart 10 is installed, test specimen tube 3 is installed in water butt, is stored up
Water is filled between water drum 4 and test cylinder, experiment coarse-grained soil is housed in test specimen tube 3, tests to be placed with uploading pressing plate 2 on coarse-grained soil,
3 times of 3 a diameter of coarse-grained soil maximum particle diameter of test specimen tube, 3 diameter of test specimen tube is 2 times of height.Other parts and parts
Connection relation is same as Example 1.
Embodiment 3
In the present embodiment, water storage cylinder 4 on the bottom plate of test cart 10 is installed, test specimen tube 3 is installed in water butt, is stored up
Water is filled between water drum 4 and test cylinder, experiment coarse-grained soil is housed in test specimen tube 3, tests to be placed with uploading pressing plate 2 on coarse-grained soil,
5 times of 3 a diameter of coarse-grained soil maximum particle diameter of test specimen tube, 3 diameter of test specimen tube is 2.5 times of height.Other parts and parts
Connection relation it is same as Example 1.
Claims (4)
1. simple match somebody with somebody coarse-grained soil compression test device, it is characterised in that：Reaction frame (1) interior bottom is provided with hydraulic cylinder,
Installing plate (9), load transducer (6), lower pressure transmission plate (11), examination are disposed in the telescopic rod end of hydraulic cylinder from bottom to up
Trolley (10) is tested, the guide rail (7) to match with test cart wheel is provided on two madial walls of reaction frame (1) left and right, tests
The left and right sides is provided with displacement sensor (5) on trolley (10), and water storage cylinder (4), water storage cylinder (4) are provided on test cart (10)
Test specimen tube (3) is inside provided with, experiment coarse-grained soil is housed in test specimen tube (3), tests to be placed with uploading pressing plate (2), position on coarse-grained soil
Displacement sensor (5) is connected with load transducer (6) with computer (12).
It is 2. according to claim 1 simple with coarse-grained soil compression test device, it is characterised in that：The reaction frame
(1) rectangular frame to be made of upper beam, bottom end rail, left plate, right plate.
It is 3. according to claim 1 simple with coarse-grained soil compression test device, it is characterised in that：The hydraulic cylinder is to watch
Take hydraulic cylinder (8).
It is 4. according to claim 1 simple with coarse-grained soil compression test device, it is characterised in that：The test specimen tube (3)
Diameter should be 3~5 times of coarse-grained soil maximum particle diameter, and 3 diameter of test specimen tube is 2.0~2.5 times of height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721484605.8U CN207439829U (en) | 2017-11-08 | 2017-11-08 | It is simple to match somebody with somebody coarse-grained soil compression test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721484605.8U CN207439829U (en) | 2017-11-08 | 2017-11-08 | It is simple to match somebody with somebody coarse-grained soil compression test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439829U true CN207439829U (en) | 2018-06-01 |
Family
ID=62288583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721484605.8U Expired - Fee Related CN207439829U (en) | 2017-11-08 | 2017-11-08 | It is simple to match somebody with somebody coarse-grained soil compression test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272614A (en) * | 2020-03-11 | 2020-06-12 | 中南大学 | Test device and method for researching vibration compaction mechanism of coarse-grained soil |
| CN114965944A (en) * | 2022-04-24 | 2022-08-30 | 中国铁路设计集团有限公司 | Coarse-grained soil expansion test device, system and method |
-
2017
- 2017-11-08 CN CN201721484605.8U patent/CN207439829U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272614A (en) * | 2020-03-11 | 2020-06-12 | 中南大学 | Test device and method for researching vibration compaction mechanism of coarse-grained soil |
| CN114965944A (en) * | 2022-04-24 | 2022-08-30 | 中国铁路设计集团有限公司 | Coarse-grained soil expansion test device, system and method |
| CN114965944B (en) * | 2022-04-24 | 2023-08-11 | 中国铁路设计集团有限公司 | Coarse-grained soil expansion test device, system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103953074B (en) | Open tubular pile hammering injection simulation experiment device and experiment method | |
| CN108872530A (en) | A kind of full-scale model test device for simulating asymmetric small-clear-distance tunnel digging process | |
| CN103882894B (en) | Prestressed concrete pipe pile horizontal bearing characteristic test model and test method | |
| CN105865922B (en) | Double track tunnel excavates face and unloading model is added to test system | |
| CN105510153A (en) | Large soil body interface shear test model and test method | |
| CN201378166Y (en) | Test device for studying permeable destruction phenomenon | |
| CN202631519U (en) | Universal model tank device for rainfall landslide tests | |
| CN201681023U (en) | Tester for testing bearing capacity and deformation characteristics of foundation soil in room | |
| CN105181498A (en) | Simple instrument method for test of internal stress of soil mass under cyclic loading | |
| CN103674706A (en) | Pullout and model dual-purpose test device for reinforced earth structure of tire as well as test measurement method | |
| CN110940571B (en) | Test device for simulating dynamic soil arch effect of shed frame structure | |
| CN103558088A (en) | Earthen archaeological site anchoring laboratory test system | |
| CN207439829U (en) | It is simple to match somebody with somebody coarse-grained soil compression test device | |
| CN105986582A (en) | Indoor model device for reinforcing foundations at different underground water levels by means of dynamic compaction and test method | |
| CN101514978B (en) | Test method for studying phenomenon of permeable damage on soil body and test device thereof | |
| CN101435208B (en) | Device and method for monitoring uneven settlement of earth slit formation tunnel | |
| CN104330297B (en) | Dark vertical ingate three-dimensional physical model experimental provision and method | |
| CN105784446A (en) | Preparation facilities of cohesive soil layer of simulation static pressure stake pile sinking process | |
| CN110849729B (en) | Active and passive soil pressure model test device for limited cohesive soil behind foundation pit flexible retaining wall | |
| CN108051304A (en) | Experimental device and experimental method for multifunctional three-dimensional visual structure interface | |
| Liu et al. | A micropenetrometer for detecting structural strength inside soft soils | |
| CN204165819U (en) | Dark vertical ingate three-dimensional physical model experimental provision | |
| CN204356823U (en) | A kind ofly pull out the loading test device with horizontal sliding simultaneously for rock anchorage base | |
| KR100397072B1 (en) | Large Cyclic Triaxial Testing Apparatus | |
| CN105926685B (en) | Built-in retaining wall type soil pressure displacement effect test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |