CN104655822B - The integral type Work condition analogue device of highway culvert centrifugal model test and test method - Google Patents
The integral type Work condition analogue device of highway culvert centrifugal model test and test method Download PDFInfo
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- CN104655822B CN104655822B CN201510061181.3A CN201510061181A CN104655822B CN 104655822 B CN104655822 B CN 104655822B CN 201510061181 A CN201510061181 A CN 201510061181A CN 104655822 B CN104655822 B CN 104655822B
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Abstract
The invention discloses integral type Work condition analogue device and the test method of a kind of highway culvert centrifugal model test, this device includes base plate, elevation mount, a pair retractable plate, foundation model, test soil sample, counter weight device and culvert model；Base plate is laid in centrifuge modelling test bottom face；Described altitude location frame is arranged on above base plate；Foundation model is placed on；Described culvert model is placed above foundation model；Retractable plate is symmetrically mounted on the base plate of foundation model both sides；Retractable plate slant setting；It is filled with test soil sample in centrifuge modelling test case, base plate, a pair retractable plate, the cavity that surrounds between foundation model and culvert model；The top of test soil sample is placed with counter weight device.Assay device simple in construction, easy to operate, assembling be need not frequently dismantle, it is possible to the requirement of the satisfied design highway culvert centrifugal model test of efficiently and accurately, test efficiency and precision improved.
Description
Technical field
The present invention relates to a kind of soil test device, be specifically related to a kind of highway culvert centrifugal model
The integral type Work condition analogue device of test and test method.
Background technology
The Geotechnical Centrifugal Model Test of the highway high roadbed culvert of China's present stage rises the stage, examination
The experience accumulation testing design is the abundantest, and in existing highway culvert Geotechnical Centrifugal Model Test,
Generally require and make different size, different gradient and the land in gully mould of different the lowest point width specially
Type, operates highly inconvenient, and cost is high.
Meanwhile, the relief model of elevated formation level culvert often beyond the clear height of centrifuge modelling test case,
Due to the restriction of centrifuge modelling test case size, test often cannot be carried out.Therefore, traditional mould
Type device can only simulate the roadbed landform of limited height.
Finally, in traditional test model, soil sample is the most well fixed.Centrifugal test
During, the instability of soil sample often causes the instability of result of the test.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of highway culvert and be centrifuged
The integral type Work condition analogue device of model test, this apparatus structure is simple, easy to operate, passes through
Simple assembly and disassembly, it is possible to different chis in effective simulation highway culvert centrifugal model test
Very little, different gradient and the land in gully model of different the lowest point width, and model casing can be overcome high
Degree limits, and simulates the culvert model of more high fill height.Assembly of the invention in process of the test
Stability is strong, at the bottom of production cost, and use easy to spread.
To achieve these goals, the present invention adopts the following technical scheme that and is achieved:
A kind of integral type Work condition analogue device of highway culvert centrifugal model test, including base plate,
Elevation mount, a pair retractable plate, foundation model, test soil sample, counter weight device and culvert
Model；Wherein:
Described base plate is laid in centrifuge modelling test bottom face, and its length is less than centrifuge modelling test case
Length, its width is equal to the inner width of centrifuge modelling test case；Described altitude location frame is arranged on
Above base plate, fit with the sidewall of centrifugal mold molding box；The middle part that foundation model is placed on；
Placing described culvert model in foundation model upper center, culvert model uses cross section to be rectangle
Hollow cylinder；The length direction of culvert model is identical with the width of base plate；Can stretch for a pair
Contracting plate is symmetrically mounted on the base plate of foundation model both sides, and the width of retractable plate is equal to base plate
Width；Retractable plate slant setting, its lower end is arranged on base plate, and upper end is fixed on the most fixed
On the frame of position；Retractable plate is for simulating the gradient and the height of cheuch；At centrifuge modelling test case, the end
Plate, a pair retractable plate, the cavity that surrounds between foundation model and culvert model are filled with examination
Testing soil sample, the upper surface of test soil sample is higher than the upper end of retractable plate；The top of test soil sample is put
It is equipped with counter weight device.
Further, the center line of described foundation model overlaps with the center line of base plate, and its length is less than
The length of base plate, its width is equal to the width of foundation model, and its thickness is 2～3cm.
Further, described plate upper surface is uniformly arranged multiple locating slot, the length of locating slot
Direction is consistent with the width of base plate.
Further, the cross section of described locating slot is triangle, rectangle or other shapes, two
Individual adjacent locating slot close arrangement, does not set spacing.
Further, described locating slot selects a length of 1cm of waist, the isoceles triangle of a height of 1.41cm
Shape.
Further, described altitude location frame uses four root posts, four root posts to be separately mounted to
On the corner of base plate, four root posts are respectively configured a locking device, are used for fixing scalable
Plate；Meanwhile, column is provided with chute along its length, is used for enabling counter weight device slowly to slide
Lower covering is above test soil sample；Bolt hole is left in described locking device the latter half, passes through spiral shell
Bolt is by locking device cuff to column；In the upper end of retractable plate, hinge is installed, for
The locking device locking of altitude location frame.
Further, described altitude location frame being covered with screw thread, locking device passes through thread lock
Needing highly to altitude location frame.
Further, described counter weight device is superimposed and formed by 1～10 Weight plate, described
Weight plate size keeps consistent with model casing, and weight is 1kg～5kg, and Weight plate uses rigidity gold
Belong to plate.
Further, described counter weight device is fitted with the sidewall of centrifuge modelling test case.
It is a further object of the invention to provide a kind of above-mentioned highway culvert centrifugal model test
The test method of integral type Work condition analogue device, specifically include following steps:
Step 1, is layered on centrifuge modelling test bottom portion by base plate；
Step 2, the middle part that foundation model is placed on, make the center line of foundation model with
The center line of base plate overlaps；Culvert model is placed in foundation model upper center；
Step 3, is symmetrically mounted on a pair retractable plate on the base plate of foundation model both sides, can
Expansion plate slant setting, its lower end is arranged on base plate, and upper end is fixed on height by locking device
On degree locating rack, the collapsing length adjusting retractable plate as required needs to simulate ditch to adjust it
The gradient of paddy and height；Base plate and a pair retractable plate form irrigation canals and ditches shape；Adjust altitude location
The position of locking device fixing on frame；
Step 4, in centrifuge modelling test case, base plate, a pair retractable plate, foundation model and culvert
The cavity surrounded between the model of hole is filled with test soil sample, test soil sample is filled into specific height
Degree；
Step 5, according to finder charge requirement, puts into centrifuge by the counter weight device of constant weight
Model casing so that it is fall to test in soil sample along centrifuge modelling test case；Now complete equipment is arranged
Complete, test can be centrifuged.
Compared with prior art, the invention has the beneficial effects as follows:
1, simple in construction, more convenient operation.
2, integrated apparatus is used, it is to avoid the operation that each different size parts assemble, province
Go various sizes of rigid metal base plate customized and the process of rigid metal side plate, save examination
Test material, short form test step, further increase test efficiency.
3. cover type counter weight device can regulate load, further increases assay device simulation work
The extensive degree of condition, improves the popularity of test.
4. act on the pact by altitude location frame in the counter weight device horizontal direction above soil sample
Bundle, it is possible to and the laminating that model casing is complete, it is ensured that in centrifugal process, soil sample stablizes.
5. a whole set of Work condition analogue device has been constrained for an entirety in process of the test, applies model
Enclose wide, can be generalized in other similar centrifuge geotechnique's simulation experiments.
In sum, present configuration is simple, and novel in design reasonable, functional reliability is high, makes
Using the life-span long, using effect is good, it is simple to promote the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the plan view of the present invention；
Fig. 3 is rigid metal floor board framing and altitude location frame schematic diagram；
Fig. 4 is the locking device detailed schematic on altitude location frame；
Fig. 5 is the structural representation of the embodiment of the present invention；
Culvert top vertical earth pressure variation diagram during Fig. 6 cheuch change width；
Culvert top vertical earth pressure variation diagram during Fig. 7 cheuch slope change.
The implication of each label in figure: 1, base plate, 2, altitude location frame；3, locking device；4、
Retractable plate, 5, foundation model, 6, test soil sample, 7, counter weight device, 8, culvert model,
9, locating slot.
The present invention is further described with detailed description of the invention below in conjunction with the accompanying drawings.
Detailed description of the invention
As depicted in figs. 1 and 2, The present invention gives a kind of highway culvert centrifugal model test
Integral type Work condition analogue device, including base plate 1, elevation mount 2, a pair retractable plate 4,
Foundation model 5, test soil sample 6, counter weight device 7 and culvert model 8；Wherein:
Base plate 1 and retractable plate 4 all use rectangular metal plate, preferably steel plate, base plate 1 to tile
In centrifuge modelling test bottom face, its length is less than the length of centrifuge modelling test case, and its width is equal to
The inner width of centrifuge modelling test case；Base plate 1 is for simulating the bottom of cheuch, simultaneously as peace
The platform of dress miscellaneous part (such as retractable plate 4, foundation model 5 and culvert model 8).
The sidewall laminating of altitude location frame 2 and centrifugal mold molding box, altitude location frame 2 is applied not only to
Adjust the gradient of retractable plate 4, be additionally operable to constrained test soil sample and counterweight in the horizontal direction
Device 7 so that counter weight device 7 in the vertical direction can move freely, increases in process of the test
Soil sample stability, prevents from affecting result of the test because of the instability of test soil sample.
Placing foundation model 5 on the middle part of base plate 1 length direction, foundation model 5 uses rectangle
Plate, its length is less than the length of base plate 1, and its width is equal to the width of foundation model 5, and it is thick
Degree is 2～3cm.Foundation model 5 is placed on the middle part on base plate 1, the center line of foundation model 5
Overlap with the center line of base plate 1.
Placing culvert model 8 in foundation model 5 upper center, culvert model 8 uses cross section
Hollow cylinder for rectangle；The length direction of culvert model 8 is identical with the width of base plate 1,
Its height customizes according to test requirements document.Culvert model 8 can use lucite or other rigidity
Material makes, and is processed by the rigidity of different tests requirement.
A pair retractable plate 4 is symmetrically mounted on the base plate 1 of foundation model 5 both sides, scalable
The width of plate 4 is equal to the width of base plate 1；Retractable plate 4 slant setting, its lower end is arranged on
On base plate 1, upper end is fixed on altitude location frame 2 by locking device 3；Retractable plate 4
For simulating the gradient and the height of cheuch.Therefore, the slope of the cheuch of simulation can be needed according to test
Degree and height determine collapsing length and the gradient of rigid metal base plate 1.With existing making
Cheuch model is compared, and greatly reduces cost, and improves efficiency.Base plate 1 and a pair can
Expansion plate 4 forms irrigation canals and ditches shape.
At centrifuge modelling test case, base plate 1, a pair retractable plate 4, foundation model 5 and culvert
Being filled with test soil sample 6 in the cavity surrounded between model 8, the upper surface of test soil sample 6 is higher than
The upper end of retractable plate 4；Test soil sample 6 uses consistent with test requirements document foundation soil character
Certain types of soil sample, such as different types of sand, silt, clay etc..
The top of test soil sample 6 is placed with counter weight device 7.The upper end of counter weight device 7 less than from
The upper end of scheming model casing.Counter weight device 7 is used for adjusting the size of load according to test requirements document,
Be used for simulating the situation of high filling subgrade, and with base plate 1, retractable plate 4 and centrifuge mould
Molding box common fixation test soil sample.
Optionally, base plate 1 upper surface is uniformly arranged multiple locating slot 9, the length of locating slot 9
Direction is consistent with the width of base plate 1.The setting of locating slot 9 makes retractable plate 4 times
End position on base plate 1 is adjustable, thus realizes the regulation at the angle of inclination of retractable plate 4.
Optionally, the cross section of locating slot 9 is triangle, rectangle or other shapes.In order to
Rigid metal side plate fits tightly, a length of 1cm of preferred waist, the isosceles triangle of a height of 1.41cm,
Two adjacent locating slot 9 close arrangement, do not set spacing.
Optionally, altitude location frame 2 uses four root posts, four root posts to be separately mounted to base plate
On the corner of 1, four root posts are respectively configured a locking device, are used for fixing retractable plate
4；Meanwhile, column is provided with chute along its length, is used for making the counter weight device 7 can be slow
Slide covering above test soil sample 6；As shown in Figure 4, spiral shell is left in locking device the latter half
Keyhole, by bolt by locking device cuff to column.Four root posts can be well at water
Square upwards constraint counter weight device 7 so that it is can slowly slide covering above test soil sample 6,
Before the test with test in all can soil sample stability.In the upper end of retractable plate 4, conjunction is installed
Page, locks for the locking device with altitude location frame 2.
Optionally, altitude location frame 2 being covered with screw thread, locking device 3 is arrived by thread lock
Needing highly of altitude location frame 2.Optionally, altitude location frame 2 with in centrifuge modelling test case
Portion's clear height is identical.
Optionally, counter weight device 7 is superimposed by the Weight plate that 1～10 thickness is 1cm～2cm
And formed, it is possible to need to select an appropriate number of Weight plate according to test.Weight plate size and mould
Molding box keeps consistent, and weight is 1kg～5kg.Optionally, Weight plate uses rigid metal plate.
Optionally, counter weight device 7 is fitted with the sidewall of centrifuge modelling test case, it is ensured that process of the test
The stability of middle test soil sample 6, prevents from affecting result of the test because of the instability of test soil sample 6.
One embodiment of the present of invention given below, it should be noted that provide this embodiment
Purpose is that the claims in the present invention are required for protection for the ease of being even further appreciated that the present invention
Scope is not limited to this embodiment.
Embodiment:
Seeing Fig. 5, culvert model 8 is pipe culvert；Test soil sample 6 is sand；Counter weight device
The Weight plate of 7 is steel plate, and steel plate length and width are slightly less than the length of centrifuge modelling test case respectively and are easy to width
Install；Sand is 1:4 with the density ratio of steel plate, and centrifugal test is 50g level at acceleration
Under carry out, the model test likelihood ratio is 1:50, simulation the depth of fill be the operating condition of test of 20m.
Owing to needing the depth of fill of simulation to be up to 20m, under the likelihood ratio of 1:50, banket
The most still need to reach 40cm；Due to centrifuge modelling test case limited height, fill out in test
The sand building 40cm cannot realize, now, it is necessary to counter weight device 7 carries out counterweight to it.
In test, for realizing the depth of fill of 40cm, first with sand fill to height be 20cm,
Then formation sand soil layer, then counter weight device 7 is covered on sand, cover height is 5cm,
Owing to the density of counter weight device 7 is 4 times of sand, length and width are slightly less than the length of model casing the most respectively
With width, therefore the weight of 5cm steel plate is suitable with the weight of height 20cm sand, thus may be used
Know, after highly the sand for 20cm combines with the steel plate counter weight device 7 of thickness 5cm, mould
The depth of fill intended has reached 40cm.
1, cheuch width simulation
By above-mentioned test procedure installation test device, wherein when carrying out the step 3 of the present invention,
Distance between two retractable plate 4 bases is adjusted to respectively 1.5D, 2.0D, 3.0D,
4.0D and 5.0D (D represent culvert model across footpath), and by adjusting the length of expansion plate 4
Making expansion plate 4 be maintained at 45 ° with the angle of model casing side, simulation is 45 in the cheuch gradient
In the case of °, cheuch width is respectively the examination of 1.5D, 2.0D, 3.0D, 4.0D and 5.0D
Test operating mode, as shown in Figure 6.
2, cheuch gradient simulation
By above-mentioned test procedure installation test device, wherein when carrying out step 3, can by two
Distance between expansion plate 4 base is adjusted to 3.0D (D represent culvert model across footpath), and
By the length adjusting expansion plate 4 make the angle of expansion plate 4 and model casing side be respectively 0 °,
30 °, 45 °, 60 ° and 90 °, simulate in the case of cheuch width is 3.0D, cheuch
The gradient is respectively 0 °, 30 °, 45 °, 60 ° and the operating condition of test of 90 °, as shown in Figure 7.
As can be seen from the test results: test the result and number using this Work condition analogue device to obtain
The result of value simulation is the most identical, illustrates to use this set analog to simulate high roadbed culvert
Cheuch change width operating mode and cheuch slope change operating mode are relatively reasonable；Also demonstrate that simultaneously,
Use the method that counter weight device 7 and test soil sample 6 cooperate to equivalent simulation high roadbed culvert
It is feasible.
As it is shown on figure 3, the present invention gives the one of above-mentioned highway culvert centrifugal model test
The test method of formula Work condition analogue device, specifically includes following steps:
Step 1, is layered on centrifuge modelling test bottom portion by base plate 1；
Step 2, is placed on the middle part on base plate 1 by foundation model 5, makes foundation model 3
Center line overlaps with the center line of base plate 1；Culvert model 8 is placed in foundation model 5 upper center；
Step 3, is symmetrically mounted on the base plate 1 of foundation model 5 both sides by a pair retractable plate 4
On, retractable plate 4 slant setting, its lower end is arranged on base plate 1, and upper end is filled by locking
Put 3 to be fixed on altitude location frame 2, as required adjust retractable plate 4 collapsing length with
Adjust its gradient needing to simulate cheuch and height；Base plate 1 and a pair retractable plate 4 form ditch
Canal shape；Adjust the position of locking device on altitude location frame 2 and fix；
Step 4, at centrifuge modelling test case, base plate 1, a pair retractable plate 4, foundation model 5
And the cavity surrounded between culvert model 8 is filled with test soil sample 6, test soil sample 6 is filled
To specific height；
Step 5, according to finder charge requirement, puts into centrifugal by the counter weight device 7 of constant weight
Machine model casing so that it is fall to test in soil sample 6 along centrifuge modelling test case；Now complete equipment
It is provided with, test can be centrifuged.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention,
Every according to the technology of the present invention essence, above example is made any simple modification, change with
And equivalent structure transformation, all still fall within the protection domain of technical solution of the present invention.
Claims (8)
1. an integral type Work condition analogue device for highway culvert centrifugal model test, its feature
Be, including base plate, elevation mount, a pair retractable plate, foundation model, test soil sample,
Counter weight device and culvert model；Wherein:
Described base plate is laid in centrifuge modelling test bottom face, and its length is less than centrifuge modelling test case
Length, its width is equal to the inner width of centrifuge modelling test case；Described altitude location frame is arranged on
Above base plate, fit with the sidewall of centrifugal mold molding box；The middle part that foundation model is placed on；
Placing described culvert model in foundation model upper center, culvert model uses cross section to be rectangle
Hollow cylinder；The length direction of culvert model is identical with the width of base plate；Can stretch for a pair
Contracting plate is symmetrically mounted on the base plate of foundation model both sides, and the width of retractable plate is equal to base plate
Width；Retractable plate slant setting, its lower end is arranged on base plate, and upper end is fixed on the most fixed
On the frame of position；Retractable plate is for simulating the gradient and the height of cheuch；At centrifuge modelling test case, the end
Plate, a pair retractable plate, the cavity that surrounds between foundation model and culvert model are filled with examination
Testing soil sample, the upper surface of test soil sample is higher than the upper end of retractable plate；The top of test soil sample is put
It is equipped with counter weight device；
Described plate upper surface is uniformly arranged multiple locating slot, the length direction of locating slot and base plate
Width consistent；
The center line of described foundation model overlaps with the center line of base plate, and its length is less than the length of base plate
Degree, its width is equal to the width of foundation model, and its thickness is 2-3cm.
2. the integral type operating mode mould of highway culvert centrifugal model test as claimed in claim 1
Intend device, it is characterised in that the cross section of described locating slot is triangle, rectangle or other shapes
Shape, two adjacent locating slot close arrangement, do not set spacing.
3. the integral type operating mode mould of highway culvert centrifugal model test as claimed in claim 1
Intend device, it is characterised in that described locating slot the selection a length of 1cm of waist, a height of 1.41cm etc.
Lumbar triangle shape.
4. the integral type of the highway culvert centrifugal model test as described in claims 1 to 3 is arbitrary
Work condition analogue device, it is characterised in that described altitude location frame uses four root posts, and four are stood
Post is separately mounted on the corner of base plate, and four root posts are respectively configured a locking device, uses
In fixing retractable plate；Meanwhile, column is provided with chute along its length, is used for making counterweight fill
Put and can slowly slide covering above test soil sample；Spiral shell is left in described locking device the latter half
Keyhole, by bolt by locking device cuff to column；It is provided with in the upper end of retractable plate
Hinge, locks for the locking device with altitude location frame.
5. the integral type operating mode mould of highway culvert centrifugal model test as claimed in claim 4
Intend device, it is characterised in that being covered with screw thread on described altitude location frame, locking device passes through spiral shell
Stricture of vagina locks onto needing highly of altitude location frame.
6. the integral type of the highway culvert centrifugal model test as described in claims 1 to 3 is arbitrary
Work condition analogue device, it is characterised in that described counter weight device is superimposed by 1～10 Weight plate
And formed, described Weight plate size keeps consistent with model casing, and weight is 1kg～5kg, counterweight
Plate uses rigid metal plate.
7. the integral type of the highway culvert centrifugal model test as described in claims 1 to 3 is arbitrary
Work condition analogue device, it is characterised in that described counter weight device pastes with the sidewall of centrifuge modelling test case
Close.
8. the integral type operating mode mould of highway culvert centrifugal model test as claimed in claim 1
Intend the test method of device, it is characterised in that specifically include following steps:
Step 1, is layered on centrifuge modelling test bottom portion by base plate；
Step 2, the middle part that foundation model is placed on, make the center line of foundation model with
The center line of base plate overlaps；Culvert model is placed in foundation model upper center；
Step 3, is symmetrically mounted on a pair retractable plate on the base plate of foundation model both sides, can
Expansion plate slant setting, its lower end is arranged on base plate, and upper end is fixed on height by locking device
On degree locating rack, the collapsing length adjusting retractable plate as required needs to simulate ditch to adjust it
The gradient of paddy and height；Base plate and a pair retractable plate form irrigation canals and ditches shape；Adjust altitude location
The position of locking device fixing on frame；
Step 4, in centrifuge modelling test case, base plate, a pair retractable plate, foundation model and culvert
The cavity surrounded between the model of hole is filled with test soil sample, test soil sample is filled into specific height
Degree；
Step 5, according to finder charge requirement, puts into centrifuge by the counter weight device of constant weight
Model casing so that it is fall to test in soil sample along centrifuge modelling test case；Now complete equipment is arranged
Complete, test can be centrifuged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510061181.3A CN104655822B (en) | 2015-02-05 | 2015-02-05 | The integral type Work condition analogue device of highway culvert centrifugal model test and test method |
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| CN113776965B (en) * | 2021-09-27 | 2023-10-03 | 湖北工业大学 | Simulation test device and method for change rule of culvert soil arch under load effect |
| CN114694473B (en) * | 2022-04-20 | 2022-09-16 | 中钢集团马鞍山矿山研究总院股份有限公司 | Portable simulated flood drainage culvert for surveying and mapping |
| US11854429B2 (en) | 2022-04-20 | 2023-12-26 | Sinosteel Maanshan General Institute Of Mining Research Co., Ltd | Portable simulated flood discharge culvert for surveying and mapping |
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| CN1932169A (en) * | 2006-09-29 | 2007-03-21 | 北京交通大学 | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| CN101403306A (en) * | 2008-11-10 | 2009-04-08 | 西南交通大学 | Soil pressure balancing type tunnel shielding simulation experiment system |
| CN101435746A (en) * | 2008-12-15 | 2009-05-20 | 西南交通大学 | Comprehensive test system of shield tunnel construction model |
| CN201650298U (en) * | 2009-11-27 | 2010-11-24 | 同济大学 | Plane strain type model testing device capable of simulating the tunnel full-face excavation |
| CN102071943A (en) * | 2010-12-13 | 2011-05-25 | 上海大学 | Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction |
| CN102914632A (en) * | 2012-10-16 | 2013-02-06 | 武汉理工大学 | Multifunctional geotechnical model test chamber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204649730U (en) * | 2015-02-05 | 2015-09-16 | 长安大学 | The integral type condition model device of highway culvert centrifugal model test |
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- 2015-02-05 CN CN201510061181.3A patent/CN104655822B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932169A (en) * | 2006-09-29 | 2007-03-21 | 北京交通大学 | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| CN101403306A (en) * | 2008-11-10 | 2009-04-08 | 西南交通大学 | Soil pressure balancing type tunnel shielding simulation experiment system |
| CN101435746A (en) * | 2008-12-15 | 2009-05-20 | 西南交通大学 | Comprehensive test system of shield tunnel construction model |
| CN201650298U (en) * | 2009-11-27 | 2010-11-24 | 同济大学 | Plane strain type model testing device capable of simulating the tunnel full-face excavation |
| CN102071943A (en) * | 2010-12-13 | 2011-05-25 | 上海大学 | Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction |
| CN102914632A (en) * | 2012-10-16 | 2013-02-06 | 武汉理工大学 | Multifunctional geotechnical model test chamber |
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