CN106483012A - A kind of horizontal addload system and Geotechnical Engineering multifunction test system - Google Patents
A kind of horizontal addload system and Geotechnical Engineering multifunction test system Download PDFInfo
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- CN106483012A CN106483012A CN201611146321.8A CN201611146321A CN106483012A CN 106483012 A CN106483012 A CN 106483012A CN 201611146321 A CN201611146321 A CN 201611146321A CN 106483012 A CN106483012 A CN 106483012A
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- horizontal addload
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 241001669679 Eleotris Species 0.000 description 8
- 238000011160 research Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- 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 invention discloses a kind of horizontal addload system and Geotechnical Engineering multifunction test system, the horizontal addload system includes reaction plate, hydraulic cylinder and rigid push pedal；Wherein, described hydraulic cylinder one end is connected with the reaction plate, and the other end is connected with the rigid push pedal.Beneficial effects of the present invention are：The horizontal addload system can realize horizontal addload unloading simultaneously, and horizontal addload is used for simulating soil compaction effect test, and horizontal unloading is used for simulating the landslide effect test that rigid retaining wall displacement causes, and has widened Geotechnical Engineering experimental study field.After the oil cylinder of installation level, the stroke controlled range of the rigid push pedal is larger, disclosure satisfy that most models test requirements document.The rigid push pedal can be used as common dividing plate in vertical load test, according to test requirements document can the optional position of in rail stroke range fix.
Description
Technical field
The present invention relates to Geotechnical Engineering multifunction test systems technology field, and in particular to a kind of horizontal addload system and rock
Geotechnological journey multifunction test system.
Background technology
Geotechnical Engineering multifunction test system is to be applied to the test in the fields such as Geotechnical Engineering, underground engineering, Mineral Engineering
Research device, is infrastructure and the device systems of experimental study.
Geotechnical Engineering multifunction test system is to study the important means of large-scale geotechnical engineering problems, at home and abroad obtains
Extensively apply, and important function has been played in engineering scientific research, design and demonstration.In the world as the U.S., Britain, Germany, meaning are big
The developed countries such as profit, Japan, Norway have all successively carried out the Test And Research Work of Geotechnical Engineering multifunction test system, for stake
Native collective effect, various stakes accept that mechanism, efficiency of pile groups, large-scale mine roof rock be stable, the rock of dam and the dam foundation
Body is stable, huge underground cavity adjoining rock stability and the engineering problems such as supporting, has carried out fruitful research work, and have developed accordingly
Testing equipment；The country is as Ground based studies institute of Chinese Research Institute for Building Sciences, Wuhan rock-soil mechanics research institute, Headquarters of the General Staff engineer section
Grind institute, Tsing-Hua University, University of Science ＆ Technology, Beijing, Hohai University, Railway Institutes Of Shijiazhuang, Beijing Inst. of Civil Engineering ＆ Arch, Tongji University,
The units such as Shandong University, have all successively carried out the research work of this respect, have developed scale and do not wait multifunction test system.
The main feature for summarizing all kinds Geotechnical Engineering pilot system horizontal addload system is as follows：
1. the loading system of most of Geotechnical Engineering pilot systems is seldom realized horizontal addload and is unloaded all based on vertical loading
Carry control.During Geotechnical Tests mostly are vertical Loading Control test, and how the test (as landslide effect) of dummy level effect is using directly
The method for removing a face wall interior panel or dividing plate is realized.Inconvenient operation.
2. the Geotechnical Engineering large-scale real triaxial physical experiments machine that Wuhan Inst. of Rock and Soil Mechanics, Chinese Academy of Sciences develops,
Three dimensions loading can be realized simultaneously, load tonnage greatly, the stress for simulating heavily stressed underground engineering is tested.But
Its complex structure, relatively costly.
3. people Wang and the testing stand of development is waited by testing pits and reaction frame constitutes, vertical in steelframe and be laterally respectively arranged symmetrically two
Individual oil cylinder, can carry out vertical and level respectively to loading.But its complex structure, inconvenient operation.
Content of the invention
For Geotechnical Engineering multifunction test system of the prior art being solved mostly based on vertical loading, seldom realize water
The defect of flat loading and unloading control, the present invention provide a kind of horizontal addload system and Geotechnical Engineering multifunction test system, make rock
Geotechnological journey multifunction test system can realize horizontal addload unloading, and the level of the present invention while vertical loading is realized
The point of application of loading system can adjust.
For achieving the above object, the technical solution used in the present invention is：
A kind of horizontal addload system of Geotechnical Engineering multifunction test system, including reaction plate, hydraulic cylinder and rigid push pedal；
Wherein,
Described hydraulic cylinder one end is connected with the reaction plate, and the other end is connected with the rigid push pedal.
Preferably, the hydraulic cylinder is oil cylinder.
Preferably, the first vertical T-shaped chute is offered on the reaction plate.
Preferably, in the rigid push pedal with described first vertically the corresponding position of T-shaped chute offer the second vertical T
Type chute.
Preferably, described oil cylinder one end is placed in described first vertically in T-shaped chute, and the other end is placed in the described second vertical T
In type chute, make the oil cylinder can along described first vertically T-shaped chute and second vertically T-shaped chute move up and down.The counter-force
Plate and rigid push pedal separately design the first vertically T-shaped chute and the second vertical T-shaped chute, and the oil cylinder for providing horizontal thrust can be along institute
State first vertically T-shaped chute and second vertically T-shaped chute move up and down and fix at an arbitrary position so that the horizontal addload is applied
Force can adjust.
Preferably, the rigid push pedal top is provided with suspension hook.It is easy to the lifting of the rigid push pedal to install.
Preferably, the rigid push pedal two ends are provided with the roller bearing being arranged symmetrically.Can achieve freely moving for the rigid push pedal
Dynamic.
Preferably, the rigid push pedal is provided with fixed fastener.The rigid push pedal is fixed at an arbitrary position can.
Preferably, the horizontal addload system also includes automatic Loading Control System, and the automatic Loading Control System
It is connected with the oil cylinder.The automatic Loading Control System can be used for level to Loading Control, can independent control output multi-channel
Identical or different pressure.
A kind of Geotechnical Engineering multifunction test system, the Geotechnical Engineering multifunction test system include test flume, level
Loading system, vertical loading system, automatic Loading Control System and vertical demarcation strip；Wherein,
The horizontal addload system and the vertical demarcation strip are mounted in the test flume；
The vertical loading system is installed on above the test flume；
The horizontal addload system is all connected with the automatic Loading Control System with the vertical loading system.
Beneficial effects of the present invention are：
1) the horizontal addload system can realize horizontal addload unloading simultaneously, and horizontal addload is used for simulating soil compaction effect examination
Test, horizontal unloading is used for simulating the landslide effect test that rigid retaining wall displacement causes, and has widened Geotechnical Engineering experimental study neck
Domain.
2), after installing the oil cylinder of level, the stroke controlled range of the rigid push pedal is larger, disclosure satisfy that most models
Test requirements document.
3) the rigid push pedal can be used as common dividing plate in vertical load test, can in rail according to test requirements document
The optional position of stroke range is fixed.
4) the first vertically T-shaped chute and the second vertical T-shaped chute is separately designed in the reaction plate and rigid push pedal, is provided
The oil cylinder of horizontal thrust can along described first vertically T-shaped chute and second vertically T-shaped chute move up and down, can be according to different tests
Require, horizontal thrust is provided at an arbitrary position or withdraws oil cylinder.
5) the rigid push pedal rigidity is sufficiently large, ensure that the uniform applying of horizontal thrust.
Description of the drawings
Fig. 1 is installed on test flume for the horizontal addload system of the Geotechnical Engineering multifunction test system of the embodiment of the present invention
Partial structural diagram；
Fig. 2 is the structure diagram (roller bearing is not shown) of the rigid push pedal of the embodiment of the present invention.
In figure,
1- reaction plate；The vertical T-shaped chute of 11- first；2- oil cylinder；3- rigidity push pedal；The vertical T-shaped chute of 31- second；32-
Suspension hook；33- roller bearing；4- test flume；41- sleeper；42- rail.
Specific embodiment
Structure to the present invention is explained in detail explanation below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 2, the horizontal addload of a kind of Geotechnical Engineering multifunction test system provided in an embodiment of the present invention
System, when specifically being tested, need to be installed in test flume 4 and use.The test flume 4 is that the reinforcing bar for being placed in below ground is mixed
Xtah Crude Clay structure groove.Structure overall size 5.4m*3.4m*2.0m, dead size 4.6m*2.0m*1.6m in groove, bottom land absolute altitude -1.6m.Examination
4 size design of check of foundation subsoil had both considered test space requirement, it is contemplated that existing building structure space restrictive condition.
A kind of horizontal addload system of Geotechnical Engineering multifunction test system provided in an embodiment of the present invention, the test flume
4 is rectangular channel, and which includes two long abutment walls and two minor face walls.One of minor face wall is provided with two sleeper 41, used as anti-
Power wall.The minor face wall 700mm position that described two long abutment wall cell wall tops are provided with sleeper 41 in distance is risen, symmetrically pre-buried two 1m
Gapless line 42, for installing the rigid push pedal 3, the rigid push pedal 3 can be fixed at an arbitrary position, the rigid push pedal 3
Can realize moving horizontally along the rail 42.
A kind of horizontal addload system of Geotechnical Engineering multifunction test system provided in an embodiment of the present invention, is being tested
When, the reaction plate 1 of the horizontal addload system of the Geotechnical Engineering multifunction test system need to be fixed in the dark of the minor face wall
On post 41, counter-force is provided by oil cylinder 2 of the sleeper 41 for the horizontal addload system.
41 design requirement of sleeper of the test flume 4：The sleeper 41 of test flume 4 bears horizontal thrust or pulling force, according to outstanding
Arm flexural member calculates bending resistance shearing strength, and configuration reinforcement.
A kind of horizontal addload system of Geotechnical Engineering multifunction test system provided in an embodiment of the present invention, its feature is such as
Under：
1) the horizontal addload system includes reaction plate 1, oil cylinder 2, rigid push pedal 3 and automatic Loading Control System etc..
2) the horizontal addload system is 60T horizontal addload system, is configured with the high accuracy push action cylinder 2 of two 30T, by
The sleeper 41 of the minor face wall of test flume 4 provides counter-force (will the reaction plate 1 be fixed on the sleeper 41).The oil cylinder 2
One end is placed on the reaction plate 1 first vertically in T-shaped chute 11, and what the other end was placed in the rigid push pedal 3 second erects
Into T-shaped chute 31.
3) the rigid push pedal 3 and 1 fabrication and installation of reaction plate are required：
1. rigid push pedal 3 is made using 30mm thickness Q235 steel, and 3 physical dimension of rigid push pedal is 2000mm*1600mm*
30mm, reserves alignment error size during making.
2. the pre-buried 1m gapless line 42 in the long abutment wall cell wall top of test flume 4, is the control stroke range of rigid push pedal 3.
3. roller bearing 33 is installed on rigid 3 top of push pedal, can achieve moving freely for the rail 42 along test flume 4；Install and fix
Fastener, can fix the rigid push pedal 3 at an arbitrary position.
4. reaction plate 1 is made using 30mm thickness Q235 steel, and scantling is 1600mm*250mm*30mm.
5. the first vertically T-shaped chute 11 and the second vertical T-shaped chute 31 is separately designed in reaction plate 1 and rigid push pedal 3, is carried
For horizontal thrust oil cylinder 2 can along described first vertically T-shaped chute 11 and second vertically T-shaped chute 31 move up and down and any
Position is fixed, and can be required according to different tests, provides horizontal thrust at an arbitrary position or withdraws oil cylinder 2.The effect of horizontal thrust
According to soil body high computational in test flume 4, each test can all calculate optimal point of application position for point position.
6. suspension hook 32 is installed at rigid 3 top of push pedal, is easy to the lifting of rigid push pedal 3 to install.
A kind of horizontal addload system of Geotechnical Engineering multifunction test system provided in an embodiment of the present invention, is also included automatically
Loading Control System, and the automatic Loading Control System is connected with the oil cylinder 2 by electric wire, makes the oil cylinder 2 by institute
State the control of automatic Loading Control System, the automatic Loading Control System cannot be only used for the level of the horizontal addload system to
Loading Control, it may also be used for the vertical Loading Control of vertical loading system, using the ground of horizontal addload system of the present invention
When engineering multifunction test system has vertical loading system, the Geotechnical Engineering multifunction test system can be realized erecting simultaneously
To loading and horizontal addload unloading.The automatic Loading Control System can the identical or different pressure of independent control output multi-channel,
3 rigidity of rigid push pedal is sufficiently large, ensure that the uniform applying of horizontal force.
A kind of Geotechnical Engineering multifunction test system provided in an embodiment of the present invention, the Geotechnical Engineering multifunction test system
System includes test flume 4, horizontal addload system, vertical loading system, automatic Loading Control System and vertical demarcation strip；Wherein, institute
State horizontal addload system and the vertical demarcation strip is mounted in the test flume 4；The vertical loading system is installed on institute
State 4 top of test flume；The horizontal addload system is all connected with the automatic Loading Control System with the vertical loading system
Connect.
Presently preferred embodiments of the present invention is these are only, not in order to limit the present invention, all in flesh and blood of the present invention
On any modification, equivalent and simple modifications for being made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of horizontal addload system of Geotechnical Engineering multifunction test system, it is characterised in that including reaction plate (1), hydraulic pressure
Cylinder and rigid push pedal (3)；Wherein,
Described hydraulic cylinder one end is connected with the reaction plate (1), and the other end is connected with rigid push pedal (3).
2. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 1, it is characterised in that described
Hydraulic cylinder is oil cylinder (2).
3. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 1, it is characterised in that described
It is vertically T-shaped chute (11) that first is offered on reaction plate (1).
4. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 3, it is characterised in that described
With described first vertically to offer second vertically T-shaped chute (31) for T-shaped chute (11) corresponding position on rigid push pedal (3).
5. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 4, it is characterised in that described
Oil cylinder (2) one end be placed in described first vertically T-shaped chute (11) in, the other end be placed in described second vertically T-shaped chute (31) in,
The oil cylinder (2) is made be vertically T-shaped chute (11) along described first and second vertically T-shaped chute (31) to move up and down.
6. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 1, it is characterised in that described
Rigid push pedal (3) top is provided with suspension hook (32).
7. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 1, it is characterised in that described
Rigid push pedal (3) two ends are provided with the roller bearing (33) being arranged symmetrically.
8. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 1, it is characterised in that described
Rigid push pedal (3) are provided with fixed fastener.
9. the horizontal addload system of Geotechnical Engineering multifunction test system according to claim 2, it is characterised in that described
Horizontal addload system also includes automatic Loading Control System, and the automatic Loading Control System is connected with the oil cylinder (2).
10. a kind of Geotechnical Engineering multifunction test system, it is characterised in that the Geotechnical Engineering multifunction test system includes examination
Check of foundation subsoil (4), horizontal addload system, vertical loading system, automatic Loading Control System and vertical demarcation strip；Wherein,
The horizontal addload system and the vertical demarcation strip are mounted in the test flume (4)；
The vertical loading system is installed on above the test flume (4)；
The horizontal addload system is all connected with the automatic Loading Control System with the vertical loading system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611146321.8A CN106483012A (en) | 2016-12-13 | 2016-12-13 | A kind of horizontal addload system and Geotechnical Engineering multifunction test system |
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| CN201611146321.8A CN106483012A (en) | 2016-12-13 | 2016-12-13 | A kind of horizontal addload system and Geotechnical Engineering multifunction test system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102119A (en) * | 2017-05-23 | 2017-08-29 | 中国安全生产科学研究院 | A kind of slope and land slide experimental rig |
| CN109085320A (en) * | 2018-07-13 | 2018-12-25 | 武汉科技大学 | A kind of multi-functional retaining wall model test apparatus |
| CN109580369A (en) * | 2018-11-29 | 2019-04-05 | 吉林省金力试验技术有限公司 | One kind is for large-scale earthwork horizontal plane variable loading system and its test method |
| CN109991081A (en) * | 2019-03-27 | 2019-07-09 | 中国矿业大学(北京) | Pin-connected panel side slope horizontal addload experimental rig |
| CN107144468B (en) * | 2017-06-19 | 2023-05-23 | 中铁六局集团有限公司 | Ballastless track horizontal pulling and pressing loading system and loading method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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