CN206114444U - Multi -functional assembled model soil box based on shaking table - Google Patents
Multi -functional assembled model soil box based on shaking table Download PDFInfo
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- CN206114444U CN206114444U CN201621167452.XU CN201621167452U CN206114444U CN 206114444 U CN206114444 U CN 206114444U CN 201621167452 U CN201621167452 U CN 201621167452U CN 206114444 U CN206114444 U CN 206114444U
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- 239000002689 soil Substances 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000003475 lamination Methods 0.000 claims description 40
- 239000004927 clay Substances 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000008520 organization Effects 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 28
- 238000007596 consolidation process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000012279 drainage procedure Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 241001314948 Bursaria incana Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Multi -functional assembled model soil box based on shaking table is including rigidity base, assembled stromatolite box, spacing firm mechanism and pressurization system. On the rigidity base was arranged in to assembled stromatolite box, assembled stromatolite box included the rectangular frame and the slide mechanism of the mutual superpose of a plurality of, every rectangular frame's length and width size homoenergetic are enough adjusted. Spacing firm mechanism is a plurality of limit stands, all is provided with a plurality of bearing on the every limit stand. Pressurization system includes bearing steel plate, spring assembly and counter -force steel sheet. The counter -force steel sheet is connected with the limit stand, forms firm reaction frame. The utility model discloses do not receive the fixed restriction of model soil box size, can be according to experimental different demands, geometric parameters such as length -width ratio, height and the volume of nimble adjustment model case, the soil sample among the model soil box can be given and the confined pressure is applyed, can the effective control consolidation and the drainage process of different degree of depth soil layers, make it to be applicable to the shaketalle test of multiple place and different experiment conditions.
Description
Technical field
The utility model is related to civil engineering shock test technical field, particularly a kind of multifunctional assembling based on shake table
With formula model clay case.
Background technology
In the Joule-Thomson effect analysis of underground structure, the power of structure in actual place is often simulated using shaketalle test
Response.Among being embedded in soil sample or rock mass underground structure, needing the object of simulation also to need in addition to structure itself during test more
The stratum of model configuration periphery is wanted, this is accomplished by the increase by structural vibration table and can transmit effect of vibration to subjects
Device -- model clay case.
At present domestic existing model clay case size be it is fixed, it is mutual for different places or different soil-structures
Shaketalle test under effect, the model casing of same size cannot carry out the isoparametric regulation of length-width ratio, height and volume, significantly
Impact of the boundary effect to result of the test is increased, accurately earthquake sheet is divided so as to carry out to model clay and structure effectively
Analyse, and the shaketalle test of different condition is also not quite similar to the demand of the amount of banketing, test number etc., if using same fixation
Native case tested, be also undoubtedly to resource one kind waste.In addition, the underground structure dynamic response analysis in place is carried out
Shaketalle test in, domestic existing model clay case can only simulate the soil layer of 2m-3m thickness mostly, it is impossible on soil layer realize
Loading.Additionally, existing model clay case is unable to effectively solving drainage problem or can not reasonably control the consolidation of different depth soil layer
And drainage procedure, thus have certain limitation in application.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, and provides a kind of based on vibration
The multifunctional fabricated model clay case of platform, the multifunctional fabricated model clay case that should be based on shake table is not solid by model clay case size
Fixed restriction, can be adjusted flexibly the geometric parameters such as length-width ratio, height and the volume of model casing according to the different demands of test;Together
When, additionally it is possible to apply confined pressure to the soil sample in model clay case;The consolidation and drainage procedure of energy effective control different depth soil layer, makes
Suitable for various places and the shaketalle test of different experimental conditions.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of multifunctional fabricated model clay case based on shake table, installs on a vibration table, including rigid base, assembling
Formula lamination casing, spacing firm organization and compression system.
The bottom of rigid base is fixedly connected with shake table.
Assembled lamination casing is positioned on rigid base, and assembled lamination casing includes several rectangular frames and slip
Mechanism;Several rectangular frames are stacked with placing, and slide mechanism is arranged on the contact site of two neighboring rectangular frame;Each
The length and width size of rectangular frame can be adjusted.
Spacing firm organization is some edge columns, and several bearings are provided with every edge column.
Compression system is arranged on the top of assembled lamination casing, and compression system includes pressure-bearing steel plate, groups of springs and counter-force
Steel plate;The bottom of pressure-bearing steel plate can contact with the soil sample for being seated in the assembled lamination casing the superiors;Counter-force steel plate is arranged on
The surface of pressure-bearing steel plate, the surrounding of counter-force steel plate is fixedly connected with edge column, forms reaction frame;Counter-force steel plate and pressure-bearing steel plate
Between be connected by groups of springs.
Each rectangular frame is mainly mutually spliced to form by some pieces of box-beam structures and four corner structures, adjacent two pieces
It is between box-beam structure and between box-beam structure and corner structure and is detachably connected.
Be provided with drainage system on the side wall of at least one rectangular frame, the drainage system include permeable stone, drainpipe and
The draining valve being arranged on drainpipe;Drainpipe is made up of drain pipe head and rubber hose.
The inwall of assembled lamination casing is provided with rubber membrane.
The utility model has the advantages that using after said structure:
1st, above-mentioned assembled lamination casing can increase or decrease the number of plies according to test requirements document, adjust the height of model clay case;
Slide mechanism between adjacent two layers rectangular frame can guarantee that can carry out low frictional resistance easy slide, reduce the boundary effect of model.
In addition, the ginseng such as length-width ratio, volume of model casing can be adjusted flexibly according to the real needs in different places or different tests condition
Number, suitable physical dimension makes the test model being placed in model casing have certain fidelity, it is ensured that model and prototype ground
Similitude between vibrations force-responsive, while also having reached the purpose of " a case multiplex ", is allowed to be applied to the shake table in various places
Test.Additionally, above-mentioned assembled lamination casing both can guarantee that the sealing of lamination soil case through certain process, and can reduce
Shear stress in casing vibration processes between length direction side and soil sample, has certain protection to make to assembled lamination casing
With.
2nd, the requirement according to test to the different soil degree of consolidation or the difference according to Brainage boundary condition, are installing assembled
The individual layer or which floor rectangular frame for being constituted the box-beam structure for being provided with drainage system during lamination casing is placed on corresponding soil layer
Height on, draining is carried out to the simulation soil sample of the soil layer, with this can efficiently control different soil or different depth simulation soil
The consolidation and drainage procedure of sample.
3rd, the bearing outer wall that above-mentioned edge column is provided with is contacted with native box outer wall, forms firm gantry type frame structure,
The framework is conducive to limiting native case vertically and plane torsion motion, while being prevented from lamination casing gets rid of de-, plays security control
Position-limiting action.
4th, the spring of identical some techniques, equal diameter, equal length is equally spacedly arranged on above-mentioned pressure-bearing steel plate, one is formed
The groups of springs of system, counter-force steel plate is placed in groups of springs, and the height of counter-force steel plate can be reduced and adjusted according to pressing force size
Degree, so as to compression spring changes the length of groups of springs, makes pressure be transferred uniformly into soil layer, and reaching effective pressurization makes soil layer in spy
Determine the purpose consolidated under confined pressure.
5th, because the utility model can reduce examination according to the size of different tests demand Reasonable adjustment model clay case
Required earth volume is tested, test efficiency is improve, financial resources, material resources and manpower is greatlyd save.And model clay case is sliceable removable
Unload, also more preferably can more reasonably utilize space resources.
6th, the multifunctional fabricated model clay case in the utility model embodiment is solid and reliable, simple structure, cost economic,
Make, install and using more convenient.
Description of the drawings
Fig. 1 shows a kind of front view of the multifunctional fabricated model clay case based on shake table of the utility model.
Fig. 2 shows the side view of multifunctional fabricated model clay case.
Fig. 3 shows the top view of the rigid base.
Fig. 4 shows the top view of assembled lamination casing box-beam structure.
Fig. 5 shows that assembled lamination casing is provided with the front view of drainage system box-beam structure.
Fig. 6 shows that assembled lamination casing is provided with the side view of drainage system box-beam structure.
Fig. 7 shows the schematic diagram of drainage system drain pipe head.
Fig. 8 shows assembled lamination box section corner structure top view.
Fig. 9 shows the top view of assembled lamination casing rectangular frame.
Figure 10 shows the top view of pressure-bearing steel plate.
Wherein have:1st, rigid base;2nd, column hole position;3rd, rectangular frame;4th, slide mechanism;5th, box-beam structure;6th, turning
Structure;7th, bolt;8th, osculum;9th, rubber hose;10th, draining valve;11st, rubber membrane;12nd, drain pipe head;13rd, permeable stone;
14th, bearing;15th, edge column;16th, pressure-bearing steel plate;17th, groups of springs;18th, counter-force steel plate;19th, sensor wire hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of multifunctional fabricated model clay case based on shake table, installs on a vibration table, including it is firm
Property base 1, assembled lamination casing, spacing firm organization and compression system.
The bottom of rigid base is fixedly connected with shake table, as shown in figure 3, being evenly arranged with the top of rigid base some
Individual column hole position 2.
Assembled lamination casing is positioned on rigid base, and as depicted in figs. 1 and 2, assembled lamination casing includes some
Individual rectangular frame 3 and slide mechanism 4.
Several rectangular frames are stacked with placing, and the number of plies can be increased or decreased according to test requirements document, so as to adjust mould
The height of type soil case.
Slide mechanism is arranged on the contact site of two neighboring rectangular frame, the slide mechanism between adjacent two layers rectangular frame
Can guarantee that can carry out low frictional resistance easy slide, reduce the boundary effect of model.
The length and width size of each rectangular frame can be adjusted.
The length and width size of rectangular frame adjusts preferred arrangement, as shown in figure 8, each rectangular frame is main
Mutually it is spliced to form by some pieces of box-beam structures 5 and four corner structures 6.Certainly, as replacement, or in prior art
Other regulative modes.
As shown in Figure 4 and Figure 5, slide construction is provided with the top of box-beam structure, the two ends of box-beam structure are fastening end, and
Bolt hole is provided with, the side wall of box-beam structure can be arranged as required to several osculums 8.
As shown in Figure 6 and Figure 7, according to the actual size size of assembled lamination casing, in assembled lamination cabinet wall
Rubber membrane 11 is set, and osculum is equally provided with the position corresponding with the rectangular frame for being provided with osculum;Drain pipe head 12
Osculum from the inside of rubber membrane loads and is adhesively fixed with glue with rubber pattern inwall;The embedded permeable stone in drain pipe head inner side
13, drain pipe head opposite side passes through the osculum on rectangular frame, with the rubber hose 9 for tightly covering and the external phase of draining valve 10
Even.
The requirement to the different soil degree of consolidation or the difference according to Brainage boundary condition according to test, fold assembled is installed
The individual layer or which floor rectangular frame for being constituted the box-beam structure for being provided with drainage system during layer box body is placed on corresponding soil layer
On height, draining is carried out to the simulation soil sample of the soil layer, different soil or different depth simulation soil sample can be efficiently controlled with this
Consolidation and drainage procedure.
As shown in Figure 8 and Figure 9, fastening end and the bolt hole being engaged with box-beam structure is provided with corner structure.It is adjacent
It is between two pieces of box-beam structures and between box-beam structure and corner structure and is detachably connected, preferred first mutually clamping, then
It is fixedly connected using bolt 7.
Because the length and width size of each rectangular frame can be adjusted, therefore, it is possible to according to different places or difference
The real needs of experimental condition are adjusted flexibly the parameters such as the length-width ratio of model casing, volume, and suitable physical dimension makes to be placed in model
Test model in case has certain fidelity, it is ensured that the similitude between model and prototype seismic dynamic response, while
The purpose of " one case multiplex " is reached, has been allowed to be applied to the shaketalle test in various places.
Spacing firm organization assembled lamination casing can be carried out it is spacing with it is firm.As depicted in figs. 1 and 2, it is spacing firm
Mechanism is preferably some edge columns 15, and several bearings 14 are provided with every edge column, and the bottom of every edge column is equal
Stretch in corresponding column hole position and fixed.
The bearing outer wall that above-mentioned edge column is provided with is contacted with native box outer wall, forms firm gantry type frame structure, should
Framework is conducive to limiting native case vertically and plane torsion motion, while being prevented from lamination casing gets rid of de-, plays security control
Position-limiting action.
Used as replacement, spacing firm organization is alternatively other structures form well known in the prior art.
Compression system is arranged on the top of assembled lamination casing, and as depicted in figs. 1 and 2, compression system includes pressure-bearing steel
Plate 16, groups of springs 17 and counter-force steel plate 18.
The bottom of pressure-bearing steel plate can contact with the soil sample for being seated in the assembled lamination casing the superiors;As shown in Figure 10,
Sensor wire hole 19 is provided with pressure-bearing steel plate.
In addition, equally spacedly arranging the spring of identical some techniques, equal diameter, equal length on pressure-bearing steel plate, one is formed
The groups of springs of system.Counter-force steel plate is placed in groups of springs, and is fixedly connected with edge column, so as to according to pressing force size
The height of counter-force steel plate is reduced and is adjusted, so as to compression spring changes the length of groups of springs, makes pressure be transferred uniformly into soil layer,
Reach the purpose that effective pressurization makes soil layer consolidate under specific confined pressure.
A kind of method using vibration test is carried out based on the multifunctional fabricated model clay case of shake table, including following step
Suddenly.
Step 1, rectangular frame assembling:The length and width size of the rectangular frame according to needed for vibration test, enters to rectangular frame
Row assembling.
Step 2, the assembling of assembled lamination casing:Several rectangular frame stackings are placed, two neighboring rectangular frame is equal
It is slidably connected;According to requirement of the test to the degree of consolidation or Brainage boundary condition of different depth or different soil simulation soil sample, will
The rectangular frame for being provided with drainage system is placed on the respective heights of assembled lamination casing.
Step 3, drainage system is arranged:According to the actual size size of assembled lamination casing, in assembled lamination casing
Inwall arranges rubber membrane, and is equally provided with osculum in the position corresponding with the rectangular frame for being provided with osculum;Drain pipe head
Osculum from the inside of rubber membrane loads and is adhesively fixed with glue with rubber pattern inwall;The embedded permeable stone in drain pipe head inner side,
Drain pipe head opposite side is connected through the osculum on rectangular frame with the rubber hose for tightly covering and external draining valve.
Step 4, assembled lamination casing is fixed:Assembled lamination casing is placed on rigid base, and in assembled
Lamination casing surrounding and the spacing firm organization of middle installation, namely the edge column with bearing is installed.
Step 5, sample preparation:The soil sample that need to be tested is seated in the assembled lamination casing that step 4 is completed, and in soil sample
In embedding sensor cluster.Sensor cluster is connected by the sensor wire hole on pressure-bearing steel plate with data acquisition equipment.
Step 6, compression system is installed:After the completion of by step 5 sample preparation, by pressure-bearing steel plate, groups of springs and counter-force steel plate successively
Uniformly it is placed on soil sample, counter-force steel plate surrounding is fixed with spacing firm organization, makes groups of springs uniform stressed.
In addition, in this step 6, the height and position of counter-force steel plate can be adjusted, by the height and position for adjusting counter-force steel plate,
Groups of springs can be caused to be compressed to preseting length, and then reflection puts on the size of the burden pressure in soil sample.
Step 7, draining:According to test to different depth or the degree of consolidation or Brainage boundary condition of different soil simulation soil sample
Requirement, draining is carried out to the soil sample in corresponding height rectangular frame;During draining, only draining valve need to be opened.
Step 8, vibration test:Shake table vibrates, and equably applies effective confining pressure to soil sample by compression system, makes soil
Sample is consolidated under specific confined pressure;In addition, in process of the test, assembled lamination casing without limitation on soil layer direction of vibration fortune
It is dynamic, can effectively simulate response of the soil layer under oscillatory load effect.
Preferred embodiment of the present utility model described in detail above, but, the utility model is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the present utility model, the technical solution of the utility model can be entered
The various equivalents of row, these equivalents belong to protection domain of the present utility model.
Claims (5)
1. a kind of multifunctional fabricated model clay case based on shake table, installs on a vibration table, it is characterised in that:Including rigidity
Base, assembled lamination casing, spacing firm organization and compression system;
The bottom of rigid base is fixedly connected with shake table;
Assembled lamination casing is positioned on rigid base, and assembled lamination casing includes several rectangular frames and skate machine
Structure;Several rectangular frames are stacked with placing, and slide mechanism is arranged on the contact site of two neighboring rectangular frame;Each square
The length and width size of shape framework can be adjusted;
Spacing firm organization is some edge columns, and several bearings are provided with every edge column;
Compression system is arranged on the top of assembled lamination casing, and compression system includes pressure-bearing steel plate, groups of springs and counter-force steel plate;
The bottom of pressure-bearing steel plate can contact with the soil sample for being seated in the assembled lamination casing the superiors;Counter-force steel plate is arranged on pressure-bearing steel
The surface of plate, the surrounding of counter-force steel plate is fixedly connected with edge column, forms reaction frame;Lead between counter-force steel plate and pressure-bearing steel plate
Cross groups of springs to be connected.
2. the multifunctional fabricated model clay case based on shake table according to claim 1, it is characterised in that:Each rectangle
Framework is mainly mutually spliced to form by some pieces of box-beam structures and four corner structures, between adjacent two pieces of box-beam structures and
It is between box-beam structure and corner structure and is detachably connected.
3. the multifunctional fabricated model clay case based on shake table according to claim 1, it is characterised in that:At least one
Drainage system is provided with the side wall of rectangular frame, the drainage system includes permeable stone, drainpipe and is arranged on drainpipe
Draining valve.
4. the multifunctional fabricated model clay case based on shake table according to claim 3, it is characterised in that:Drainpipe by
Drain pipe head and rubber hose are constituted.
5. the multifunctional fabricated model clay case based on shake table according to claim 1, it is characterised in that:Assembled is folded
The inwall of layer box body is provided with rubber membrane.
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CN201621167452.XU CN206114444U (en) | 2016-10-26 | 2016-10-26 | Multi -functional assembled model soil box based on shaking table |
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CN201621167452.XU CN206114444U (en) | 2016-10-26 | 2016-10-26 | Multi -functional assembled model soil box based on shaking table |
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CN107748244A (en) * | 2017-12-18 | 2018-03-02 | 兰州理工大学 | Visualization combined model case and installation method for rock earth model test |
CN107842009A (en) * | 2017-12-18 | 2018-03-27 | 兰州理工大学 | Rock earth model test assembled steel component dies molding box and construction method |
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