CN110438966A - A kind of relative settlement precise control device of modular - Google Patents
A kind of relative settlement precise control device of modular Download PDFInfo
- Publication number
- CN110438966A CN110438966A CN201910769520.1A CN201910769520A CN110438966A CN 110438966 A CN110438966 A CN 110438966A CN 201910769520 A CN201910769520 A CN 201910769520A CN 110438966 A CN110438966 A CN 110438966A
- Authority
- CN
- China
- Prior art keywords
- modular
- support plate
- control device
- electric motors
- precise control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 claims abstract description 52
- 239000000945 filler Substances 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 44
- 230000003028 elevating effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 9
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 description 20
- 238000004062 sedimentation Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 208000020401 Depressive disease Diseases 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 239000008207 working material Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000917 particle-image velocimetry Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of relative settlement precise control devices of modular, including model cabinet frame, variable speed electric motors, particularly is set on the bottom plate of model casing base of frame, the first support plate is fixed above variable speed electric motors, particularly, first support plate upper surface is correspondingly arranged screw lift, the output shaft of variable speed electric motors, particularly passes through the first support plate and is connected by diverter with corresponding screw lift, the second support plate is fixed above screw lift, second support plate upper surface surrounding is covered with chamber, two column side piers are fixed in the two sides of the second support plate upper surface in chamber, setup module formula active unit between the side pier of two column, the lower end of modular active unit passes through the second support plate and connect with screw lift, the upper surface of modular active unit is laid with filler to be tested；Variable speed electric motors, particularly is connect with external control system.The device can simulate practical distortion mode of the soft stratum by upper load, while can also be achieved the soil tests such as Piled Embankments relative settlement, road bed differential settlement.
Description
Technical field
The present invention relates to a kind of geotechnical model test device more particularly to a kind of differences of the modular of geotechnical model test
Settle precise control device.
Background technique
Soil test for relative settlement class, the activity of decanting zone are often single by lower support actively decline
Drive decanting zone top filling settlement, and decanting zone rigid connection displacement is unified, can not real simulation soft stratum by top lotus
The scenes such as the deformation response of load and Piled Embankments relative settlement, road bed differential settlement.
Product similar with the present invention mainly has the design of the geotechnical model case of various research soil arching effects, is mainly used for soil
Arching demonstrates class soil test.The patent of Publication No. CN102914632A discloses a kind of multifunctional earth model test
Case, the chamber can test 20 kinds of piles with different away from than upper arch effect demonstrating, Piled Embankments filler particles soil arching effect and
Composite foundation bed course effect analog experiment under rigid foundation, and the relative settlement that such experimental rig is realized is mostly mass activity,
Decanting zone is each other without relative displacement, and subsidence style only relies on the active lifting of supported underneath, can not real simulation soft stratum
By the scenes such as the deformation response of upper load and Piled Embankments relative settlement, road bed differential settlement.
Summary of the invention
The purpose of the present invention is to provide a kind of relative settlement precise control device of modular, which can simulate soft
Weak stratum by upper load practical distortion mode, while can also be achieved Piled Embankments relative settlement, road bed unevenly sinks
The soil tests such as drop.
Realizing the technical solution of the object of the invention is:
A kind of relative settlement precise control device of modular, including model cabinet frame are set on the bottom plate of model casing base of frame
There is M × N number of variable speed electric motors, particularly, variable speed electric motors, particularly is fixedly arranged above the first support plate, and the first support plate upper surface is correspondingly provided with M × N number of
Screw lift, the output shaft of each variable speed electric motors, particularly pass through the first support plate and are connected by diverter with corresponding screw lift
It connects, screw lift is fixedly arranged above the second support plate, and the second support plate upper surface surrounding is covered with the test of upper and lower ends opening
Case, the two sides of the second support plate upper surface in chamber are fixed with two column side piers, are equipped with M × N number of mould between the side piers of two column
Block formula active unit, without rigid connection between each active unit, the lower end of each modular active unit pass through the second support plate with
Screw lift connection, the upper surface of each modular active unit is laid with filler to be tested；Each variable speed electric motors, particularly and module
Control system connection outside the relative settlement precise control device of formula, under external control system control, variable speed electric motors, particularly is driven
Screw lift, screw lift drive the lifting of modular active unit, and accurate control module formula active unit is in the longitudinal direction
Displacement.
The variable speed electric motors, particularly, variable speed electric motors, particularly revolving speed are 9-533 r/min.
The screw lift, screw lift maximum displacement are 150mm.
The side pier is equipped with baffle between each column side pier and modular active unit, each column side pier is set there are four side pier,
It is equipped with gap between adjacent side pier, cutting filling block is set in gap.
The gap, gap width 10mm.
The modular active unit, including screw thread elevating lever, screw thread lifting rod outer surface are cased with spring；Screw thread lifting
Bar lower end passes through the second support plate and connect with screw lift, and upper end is equipped with support rod recreation room；It is equipped in support rod recreation room
Movable support rod, movable support rod are fixedly connected by inserted link with screw rod elevating lever, and movable support rod upper surface is equipped with cover board, lid
The upper surface of plate is laid with filler to be tested.
The screw thread elevating lever, each screw thread lifting rod outer surface are arranged the spring of different stiffness factors.
The cover board, lower surface are additionally provided with active module support plate, the lower end of active module support plate and active module
Interior fagging connection.
The chamber is respectively equipped with three uniform, symmetrical grooves in interval on the side plate at left and right sides of chamber, tries
The back side panel of tryoff is equipped with three evenly spaced grooves, and the front side board of chamber is poly (methyl methacrylate) plate, second support plate
Upper surface is equipped with three grooves corresponding with chamber back side panel, and subregion partition panel is inserted into groove, and subregion partition panel is parallel
Or in vertical poly (methyl methacrylate) plate insertion groove；It is equipped with partition between subregion partition panel, the space between the pier of two sides is divided into M × N number of
Trial zone.
The groove, section are isosceles trapezoid, and groove minimum widith is 10mm, maximum width 20mm, and depth is
5mm。
The subregion partition panel, both ends are isosceles trapezoid shape, and having a size of upper bottom 10mm, go to the bottom isosceles trapezoid 20mm, high
5mm, occlusion corresponding with groove size are close.
The bottom plate, lower section are equipped with ground anchor bolt, are fixedly connected with the ground by ground anchor bolt.
The control system, the software of software platform, acquisition stress-strain data including control variable speed electric motors, particularly operating
The software platform of platform and image speed measurement software platform, control variable speed electric motors, particularly operating guarantees each modular active unit sedimentation activity
Precision control, the real-time high frequency of stress-strain data acquisition software platform, image speed measurement software desk Implementation test data
Acquisition.
The cover board, top placement in layers filler, filler maximum filling height are 1200mm, and soil pressure is buried in filler
Power box is laid with geosynthetics simulation material and arranges foil gauge on it, and soil pressure cell and strain sheet data are by modular
Relative settlement precise control device outside computer report control platform receive.
A kind of relative settlement precise control device of modular provided by the invention, has a characteristic that
(1) using the form of modular active unit combination, decanting zone different location, which may be implemented, different settling amounts, sedimentation
Speed etc., relevant difference settles class Geotechnical Problems in more preferable simulation reality, can also settle class to non-integrals such as karst collapses
Problem carries out experimental study；
(2) control and subsidence stage pair of the organic glass as chamber foreboard, convenient for the stage of filling to filling compaction degree are used
The motion pick of filler particles obtains organic glass face filler displacement field based on Particle Image Velocimetry；
(3) decanting zone filler may be implemented in conjunction with control system on screw thread elevating lever using the different spring pocket of stiffness factor
The stage is filled to stablize, subsidence stage gradually transition by spring stress so that show modules unit have it is different degrees of heavy
Drop, deformation response of the more preferable simulation soft stratum by upper load；
(4) chamber can be separated by subregion partition panel and partition connecting plate by test space not of uniform size, to set
Count the model test of different size size；
(5) active unit of modular can by multiple combinations realize piles with different away from than test, simulate most of works extensively
The case where journey stake soil spacing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the relative settlement precise control device of modular of the present invention；
Fig. 2 is the portion A enlarged drawing in Fig. 1；
Fig. 3 is the cross-sectional view of a-a in Fig. 1；
Fig. 4 is schematic diagram when subregion partition panel is inserted into groove；
Fig. 5 is the schematic diagram of subregion partition panel stitching portion；
In figure, 1. model cabinet frame, 2. chamber, 3. second 4. first support plate of support plate, 5. bottom plate, 6. screw rod liter
12. spring of drop machine 7. diverter, 8. variable speed electric motors, particularly, 9. ground anchor bolt, 10. side pier, 11. baffle, 13. screw thread liter
16. support rod recreation room of fagging, 17. active module support plate, 18. cover board in 14. inserted link of bar, 15. active module drops
19. 22. poly (methyl methacrylate) plate of movable support rod 20. cutting filling block, 21. groove, 23. chamber back side panel 24. divides
25. partition of area's partition panel.
Specific embodiment
The content of present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
Embodiment:
It is as shown in Figure 1, Figure 2, Figure 3 shows:
The size of a kind of relative settlement precise control device of modular, including model cabinet frame 1, model cabinet frame 1 is (long × wide
× high) it is 2000mm × 850mm × 2000mm, the bottom plate 5 of 1 bottom of model cabinet frame is equipped with 8 × 4 variable speed electric motors, particularlies 8, speed change
Motor 8 is fixedly arranged above the first support plate 4, and 4 upper surface of the first support plate is correspondingly provided with 8 × 4 screw lifts 6, Mei Gebian
The output shaft of speed motor 8 passes through the first support plate 4 and is connected by diverter 7 with corresponding screw lift 6, screw lift 6
It is fixedly arranged above the second support plate 3,3 upper surface surrounding of the second support plate is covered with the chamber 2 of upper and lower ends opening, chamber 2
Size (length × width × height) be 1800mm × 800mm × 1200mm, the two sides of 3 upper surface of the second support plate in chamber 2
It is fixed with two column side piers 10, is equipped with 8 × 4 modular active units between the side piers 10 of two column, without rigidity between each active unit
Connection is, it can be achieved that the relatively vertical independent activities of each active unit, the lower end of each modular active unit pass through the second support
Plate 3 is connect with screw lift 6, and the upper surface of each modular active unit is laid with filler to be tested；Each variable speed electric motors, particularly 8
It is connect with the control system outside the relative settlement precise control device of modular, under external control system control, speed change electricity
Machine 8 drives screw lift 6, and screw lift 6 drives the lifting of modular active unit, accurate control module formula active unit
Displacement in the longitudinal direction.It is blocked below the model cabinet frame 1 of the device without side plate encirclement, 1 lower part of model casing frame can be made
Front and back perforation facilitates route to install and ensure that the circulation of air is conducive to the heat dissipation of variable speed electric motors, particularly 8 etc..
The variable speed electric motors, particularly 8,8 revolving speed of variable speed electric motors, particularly are 9-533 r/min.
The screw lift 6,6 maximum displacement of screw lift are 150mm.
The side pier 10, is equipped with baffle 11 between each column side pier 10 and modular active unit, each column side pier is equipped with four
A side pier 10 is equipped with gap between adjacent side pier 10, and subregion partition panel is inserted into gap, setting cutting filling block in gap
20, gap not material leakage when usually using the filling of cutting filling block 20 fixed with guarantee test, 10 upper surface of side pier can be laid with to
The filler of test.Pier 10 one side in side can provide fulcrum for the laying of subregion partition panel, on the other hand can be used as simulation examination
Fixed area in testing.
The gap, gap width 10mm.
The modular active unit, including screw thread elevating lever 13,13 outer surface of screw thread elevating lever are cased with spring 12；Spiral shell
13 lower end of line elevating lever passes through the second support plate 2 and connect with screw lift 13, and upper end is equipped with support rod recreation room 16；Support rod
Movable support rod 19 is equipped in recreation room 16, movable support rod 19 is fixedly connected by inserted link 14 with screw rod elevating lever 13, activity
19 upper surface of support rod is equipped with cover board 18, and the upper surface of cover board 18 is laid with filler to be tested.
The screw thread elevating lever 13, each 13 outer surface of screw thread elevating lever are arranged the spring 12 of different stiffness factors.Test
When by 12 sets of spring of different stiffness factors on the screw thread elevating lever 13 under respective modules unit, pay attention to install at this time slotting
Bar 14 can realize that each modular unit is responded by the different distortion of upper load in conjunction with displacement control system.
The cover board 18, lower surface are additionally provided with active module support plate 17, the lower end of active module support plate 17 and work
Fagging 15 connects in dynamic model block.
As shown in figure 4, the chamber 2, be respectively equipped on the side plate of 2 left and right sides of chamber three intervals uniformly,
Symmetrical groove 21, the back side panel 23 of chamber are equipped with three evenly spaced grooves 21, and the front side board of chamber 3 is organic glass
Glass plate 22,3 upper surface of the second support plate are equipped with three grooves corresponding with chamber back side panel 23, are inserted into groove 21
Subregion partition panel 24, subregion partition panel 24 is parallel or vertical poly (methyl methacrylate) plate 22 is inserted into groove 21；It is set between subregion partition panel 24
There is partition 25, the space between two sides pier 10 is divided into 8 × 4 trial zones, each trial zone can work independently test；Subregion
When the parallel poly (methyl methacrylate) plate 22 of partition panel 24 is laid, 24 two sides of the bottom of subregion partition panel are supported on 10 pier face of side pier or less 170mm；
When vertical poly (methyl methacrylate) plate 22 is laid, 24 bottom of subregion partition panel is supported in the second support plate 3, below 10 pier face of side pier
320mm。
The groove 21, section are isosceles trapezoid, and groove minimum widith is 10mm, maximum width 20mm, and depth is
5mm。
The subregion partition panel 24, both ends point are designed to isosceles trapezoid shape, isosceles trapezoid having a size of upper bottom 10mm, under
Bottom 20mm, high 5mm, occlusion corresponding with groove size are close.
As shown in figure 5, the subregion partition panel 24, there is depression treatment in subregion partition panel support end tail portion, with subregion every
Disconnected plate fishplate bar head protrusion is just fitted into, and the same depression treatment in subregion partition panel fishplate bar tail portion makes it possible to continued access.
The bottom plate 5, lower section are equipped with ground anchor bolt 9, are fixedly connected with the ground by ground anchor bolt 9.
The control system, the software of software platform, acquisition stress-strain data including control variable speed electric motors, particularly operating
The software platform of platform and image speed measurement software platform, control variable speed electric motors, particularly operating guarantees each modular active unit sedimentation activity
Precision control, the real-time high frequency of stress-strain data acquisition software platform, image speed measurement software desk Implementation test data
Acquisition.
The cover board 18, top placement in layers filler, filler maximum filling height are 1200mm, and soil is buried in filler
Pressure cell is laid with geosynthetics simulation material and arranges foil gauge on it, and soil pressure cell and strain sheet data are by module
Computer report control platform outside the relative settlement precise control device of formula receives.It can also be with placement in layers filler above the pier of side.
When in use, in the separation of chamber test area, subregion partition panel parallel organic glass has 4 when laying to the present apparatus
Kind situation；Vertical organic glass has 3 kinds of situations when laying, but two kinds of separation modes cannot carry out simultaneously, shares 6 kinds of chambers point
Every fraction, modules unit also has independent sedimentation, and modular unit has 8 on parallel organic glass direction, vertical organic
Glass direction has 4, and modular unit theoretically can voluntarily increase and decrease as needed, and modular unit sedimentation can carry out when being fitted to each other
A variety of pilespacings are than test.
A kind of decanting zone top filler is defined below actively to decline lower support and by way of sedimentation be filler
Passive sedimentation and it is a kind of filler self weight in decanting zone top declines lower support passively settle by way of be filler master
Dynamic sedimentation.
1, the class model that actively settles of filler is tested
1-1, installation spring system
Screw thread elevating lever under trial zone difference analogue unit is put on to the spring of correspondingly sized stiffness factor according to test arrangement.
1-2, installation modular active unit
The movable support rod of trial zone modular active unit is embedded in support rod recreation room by correct direction, at this time cannot be paid attention to
Install inserted link, to module activities unit sidewall be lubricated processing avoid rubbing it is excessive.
1-3, installation subregion partition panel and partition
Cutting filling plate in the cutting for needing to install subregion partition panel and partition is taken out, is separated subregion according to test arrangement
Plate and partition splice successfully, so that chamber is separated into the size of needs, separating along organic glass face has 4 kinds of selections, perpendicular to
Organic glass face, which separates, 3 kinds of choosing pools, but cannot lay subregion partition panel simultaneously in both directions；Separate along organic glass face
When, subregion partition panel bottom supporting is in the pier of side, and vertical organic glass face is supported in vertical plate support plate when separating, in chamber
Plate has corresponding cutting to constrain.
1-4, the corresponding monitoring element of placement
The soil pressure cell for needing to dispose respective numbers on modular active unit cover board according to test, should check before paying attention to placement
Whether correct.
1-5, the processing of chamber inner wall smooth
It according to test requirements document needs that the double-deck polytetrafluoroethylene film can be laid in test chamber interior wall or smears certain lubrication product.
1-6, it is laid with filler
It is layered according to test requirements document and is laid with filler, guaranteed certain compactness as required, reach predetermined packed height.
1-7, test material is laid
It is needed that corresponding earth working material can be laid by commitment positions in filler according to test, such as geosynthetics cast material, gone back
A certain number of foil gauges can be puted up on it, and pay attention to guarantee foil gauge puts up quality；Different directions can also be pressed in filler
Dispose certain amount soil pressure cell.
1-8, test data acquire for the first time
Soil pressure cell, foil gauge are connected with data collector, soil pressure, cast material are strained by corresponding software platform
Data are monitored and acquired 1 data before on-test；Image speed measurement software platform is to organic glass face testing fill position
Data are moved to be monitored and shot 1 high definition photo before on-test.
1-9, start to settle
By controlling the software platform of variable speed electric motors, particularly operating on computer, may be implemented to trial zone modules formula active unit essence
True ground settlement Control, but the sinking speed for needing to pay attention to modules at this time is impartial and slow；Until all active modules
Under spring can support completely top filler self weight do not recompress.
The real-time acquisition of 1-10, test data
Soil pressure, cast material strain and organic glass face testing fill displacement data are passed through while sedimentation starts corresponding soft
Part platform is acquired in real time.
1-11, experiment terminate
Sedimentation terminates and slowly increase screw lift after a period of stabilisation, and filler self weight is gradually undertaken by screw lift
After stop, feeding outward.
2, the passive sedimentation class model test of filler
2-1, installation modular active unit
The movable support rod of trial zone modular active unit is embedded in support rod recreation room by correct direction, pays attention to protecting at this time
Card inserted link is installed in place, to module activities unit sidewall be lubricated processing avoid rubbing it is excessive.
2-2, installation subregion partition panel and partition
Cutting filling plate in the cutting for needing to install subregion partition panel and partition is taken out, is separated subregion according to test arrangement
Plate and partition splice successfully, so that chamber is separated into the size of needs, separating along organic glass face has 4 kinds of selections, perpendicular to
Organic glass face, which separates, 3 kinds of choosing pools, but cannot lay subregion partition panel simultaneously in both directions；Separate along organic glass face
When, subregion partition panel bottom supporting is in the pier of side, and vertical organic glass face is supported in vertical plate support plate when separating, in chamber
Plate has corresponding cutting to constrain.
2-3, the corresponding monitoring element of placement
The soil pressure cell for needing to dispose respective numbers on modular active unit cover board according to test, should check before paying attention to placement
Whether correct.
2-4, the processing of chamber inner wall smooth
It according to test requirements document needs that the double-deck polytetrafluoroethylene film can be laid in test chamber interior wall or smears certain lubrication product.
2-5, it is laid with filler
It is layered according to test requirements document and is laid with filler, guaranteed certain compactness as required, reach predetermined packed height.
2-6, test material is laid
It is needed that corresponding earth working material can be laid by commitment positions in filler according to test, such as geosynthetics cast material, gone back
A certain number of foil gauges can be puted up on it, and pay attention to guarantee foil gauge puts up quality；Different directions can also be pressed in filler
Dispose certain amount soil pressure cell.
2-7, test data acquire for the first time
Soil pressure cell, foil gauge are connected with data collector, soil pressure, cast material are strained by corresponding software platform
Data are monitored and acquired 1 data before on-test；Image speed measurement software platform is to organic glass face testing fill position
Data are moved to be monitored and shot 1 high definition photo before on-test.
2-8, start to settle
By controlling the software platform of variable speed electric motors, particularly operating on computer, trial zone modules formula active unit lower leading screw is gone up and down
Switch, the revolving speed of machine are accurately controlled, with realize trial zone modules formula active unit settling amount, sinking speed it is only
Vertical control.
The real-time acquisition of 2-9, test data
Soil pressure, cast material strain and organic glass face testing fill displacement data are passed through while sedimentation starts corresponding soft
Part platform is acquired in real time.
2-10, experiment terminate
Sedimentation terminates and slowly increase screw lift after a period of stabilisation, and filler self weight is gradually undertaken by screw lift
After stop, feeding outward.
Claims (10)
1. a kind of relative settlement precise control device of modular, which is characterized in that including model cabinet frame, model casing framework bottom
The bottom plate in portion is equipped with M × N number of variable speed electric motors, particularly, and variable speed electric motors, particularly is fixedly arranged above the first support plate, the first support plate upper surface pair
It should be equipped with M × N number of screw lift, the output shaft of each variable speed electric motors, particularly passes through the first support plate and passes through diverter and corresponding silk
The connection of bar elevator, screw lift are fixedly arranged above the second support plate, and the second support plate upper surface surrounding is covered with upper and lower ends
The chamber of opening, the two sides of the second support plate upper surface in chamber are fixed with two column side piers, set between the side piers of two column
There is M × N number of modular active unit, without rigid connection between each active unit, the lower end of each modular active unit passes through the
Two support plates are connect with screw lift, and the upper surface of each modular active unit is laid with filler to be tested；Each speed change
Control system connection outside the relative settlement precise control device of motor and modular becomes under external control system control
Speed motor drives screw lift, and screw lift drives the lifting of modular active unit, accurate control module formula activity list
The displacement of member in the longitudinal direction.
2. a kind of relative settlement precise control device of modular according to claim 1, which is characterized in that described
Variable speed electric motors, particularly, variable speed electric motors, particularly revolving speed are 9-533 r/min；
The screw lift, screw lift maximum displacement are 150mm.
3. a kind of relative settlement precise control device of modular according to claim 1, which is characterized in that the side
Pier is equipped with baffle between each column side pier and modular active unit, each column side pier is set there are four side pier, sets between adjacent side pier
There is gap, cutting filling block is set in gap.
4. a kind of relative settlement precise control device of modular according to claim 3, which is characterized in that between described
Gap, gap width 10mm.
5. a kind of relative settlement precise control device of modular according to claim 1, which is characterized in that the mould
Block formula active unit, including screw thread elevating lever, screw thread lifting rod outer surface are cased with spring；Screw thread elevating lever lower end passes through second
Fagging is connect with screw lift, and upper end is equipped with support rod recreation room；Movable support rod, activity branch are equipped in support rod recreation room
Strut is fixedly connected by inserted link with screw rod elevating lever, and movable support rod upper surface is equipped with cover board, the upper surface of cover board be laid with to
The filler of test.
6. a kind of relative settlement precise control device of modular according to claim 5, which is characterized in that the spiral shell
Line elevating lever, each screw thread lifting rod outer surface are arranged the spring of different stiffness factors；
The cover board, lower surface are additionally provided with active module support plate, the lower end of active module support plate and active module inner support
Plate connection.
7. a kind of relative settlement precise control device of modular according to claim 1, which is characterized in that the examination
Tryoff is respectively equipped with three uniform, symmetrical grooves in interval on the side plate at left and right sides of chamber, and the back side panel of chamber is equipped with
Three evenly spaced grooves, the front side board of chamber are poly (methyl methacrylate) plate, and second support plate upper surface is equipped with and test
Corresponding three grooves of case back side panel, are inserted into subregion partition panel in groove, and subregion partition panel is parallel or vertical poly (methyl methacrylate) plate
It is inserted into groove；It is equipped with partition between subregion partition panel, the space between the pier of two sides is divided into M × N number of trial zone；
The groove, section are isosceles trapezoid, and groove minimum widith is 10mm, maximum width 20mm, depth 5mm；
The subregion partition panel, both ends are isosceles trapezoid shape, and isosceles trapezoid is having a size of upper bottom 10mm, and go to the bottom 20mm, high 5mm,
Occlusion corresponding with groove size is close.
8. a kind of relative settlement precise control device of modular according to claim 1, which is characterized in that the bottom
Plate, lower section are equipped with ground anchor bolt, are fixedly connected with the ground by ground anchor bolt.
9. a kind of relative settlement precise control device of modular according to claim 1, which is characterized in that the control
System processed, the software platform and image speed measurement of software platform, acquisition stress-strain data including control variable speed electric motors, particularly operating are soft
Part platform, the software platform of control variable speed electric motors, particularly operating guarantee that each modular active unit settles movable precision control, answer
The real-time high frequency acquisition of stress-strain data acquisition software platform, image speed measurement software desk Implementation test data.
10. according to a kind of relative settlement precise control device of any modular of claim 5 and 6, which is characterized in that
The cover board, top placement in layers filler, filler maximum filling height are 1200mm, and soil pressure cell or paving are buried in filler
If geosynthetics simulation material simultaneously arranges foil gauge on it, soil pressure cell is sunk with strain sheet data by the difference of modular
The computer report control platform outside precise control device is dropped to receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769520.1A CN110438966B (en) | 2019-08-20 | 2019-08-20 | Modular differential settlement accurate control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769520.1A CN110438966B (en) | 2019-08-20 | 2019-08-20 | Modular differential settlement accurate control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110438966A true CN110438966A (en) | 2019-11-12 |
| CN110438966B CN110438966B (en) | 2024-09-03 |
Family
ID=68436661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769520.1A Active CN110438966B (en) | 2019-08-20 | 2019-08-20 | Modular differential settlement accurate control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110438966B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849790A (en) * | 2019-11-25 | 2020-02-28 | 浙江大学 | Constant water head static load pile bearing type roadbed seepage erosion test device |
| CN110987600A (en) * | 2019-11-25 | 2020-04-10 | 清华大学 | Continuously adjustable trapezoidal or conical non-uniform settlement control equipment in geotechnical centrifugal model |
| CN112504843A (en) * | 2020-11-30 | 2021-03-16 | 同济大学 | Trapdoor model test device under static and dynamic load condition and test method thereof |
| CN112816673A (en) * | 2021-02-25 | 2021-05-18 | 中国民航大学 | Test device for simulating stratum loosening to cause pavement collapse |
| CN112881166A (en) * | 2021-01-29 | 2021-06-01 | 山东大学 | Device and method for testing stability of foundation in mining overall process and mining subsidence area |
| CN114809129A (en) * | 2022-05-19 | 2022-07-29 | 湖南大学 | Spring movable door test device considering influence of uneven settlement on soil arch effect |
| CN114965953A (en) * | 2022-05-19 | 2022-08-30 | 湖南大学 | Movable door test device for influence of differential settlement on soil arch effect under seepage effect |
| CN115404923A (en) * | 2022-08-30 | 2022-11-29 | 长安大学 | Pile foundation characteristic test device under aftershock effect and use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445381A (en) * | 2011-09-26 | 2012-05-09 | 西南交通大学 | Model deflection sedimentation control device for geotechnical centrifuge testing |
| CN203238678U (en) * | 2013-03-22 | 2013-10-16 | 杭州科技职业技术学院 | Ultralong pile effective pile length simulation testing box |
| CN203606356U (en) * | 2013-11-13 | 2014-05-21 | 同济大学 | Test unit for simulating soil arching effect and reinforced soil arching action |
| CN105527389A (en) * | 2016-03-02 | 2016-04-27 | 山东交通学院 | Jack-based experiment model and method for simulating uneven settlement of foundation |
| US20160356685A1 (en) * | 2015-06-03 | 2016-12-08 | Ramesh Chandra Gupta | Test Device For Determining Three-Dimensional Consolidation Properties Of Soils |
| CN206467702U (en) * | 2017-02-17 | 2017-09-05 | 南京新吉泰岩土工程有限公司 | A kind of multi-functional pile foundation simulation chamber |
| CN210712799U (en) * | 2019-08-20 | 2020-06-09 | 桂林电子科技大学 | Modular differential settlement accurate control device |
-
2019
- 2019-08-20 CN CN201910769520.1A patent/CN110438966B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445381A (en) * | 2011-09-26 | 2012-05-09 | 西南交通大学 | Model deflection sedimentation control device for geotechnical centrifuge testing |
| CN203238678U (en) * | 2013-03-22 | 2013-10-16 | 杭州科技职业技术学院 | Ultralong pile effective pile length simulation testing box |
| CN203606356U (en) * | 2013-11-13 | 2014-05-21 | 同济大学 | Test unit for simulating soil arching effect and reinforced soil arching action |
| US20160356685A1 (en) * | 2015-06-03 | 2016-12-08 | Ramesh Chandra Gupta | Test Device For Determining Three-Dimensional Consolidation Properties Of Soils |
| CN105527389A (en) * | 2016-03-02 | 2016-04-27 | 山东交通学院 | Jack-based experiment model and method for simulating uneven settlement of foundation |
| CN206467702U (en) * | 2017-02-17 | 2017-09-05 | 南京新吉泰岩土工程有限公司 | A kind of multi-functional pile foundation simulation chamber |
| CN210712799U (en) * | 2019-08-20 | 2020-06-09 | 桂林电子科技大学 | Modular differential settlement accurate control device |
Non-Patent Citations (1)
| Title |
|---|
| 王瑞芳;傅旭东;潘孝诚;吴志权;: "桩网复合地基的模型试验加固效果对比研究", 土木建筑与环境工程, no. 05, 15 October 2011 (2011-10-15) * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849790A (en) * | 2019-11-25 | 2020-02-28 | 浙江大学 | Constant water head static load pile bearing type roadbed seepage erosion test device |
| CN110987600A (en) * | 2019-11-25 | 2020-04-10 | 清华大学 | Continuously adjustable trapezoidal or conical non-uniform settlement control equipment in geotechnical centrifugal model |
| CN112504843A (en) * | 2020-11-30 | 2021-03-16 | 同济大学 | Trapdoor model test device under static and dynamic load condition and test method thereof |
| CN112504843B (en) * | 2020-11-30 | 2022-02-18 | 同济大学 | Trapdoor model test device under static and dynamic load condition and test method thereof |
| CN112881166A (en) * | 2021-01-29 | 2021-06-01 | 山东大学 | Device and method for testing stability of foundation in mining overall process and mining subsidence area |
| CN112881166B (en) * | 2021-01-29 | 2022-07-05 | 山东大学 | Device and method for testing stability of foundation in mining overall process and mining subsidence area |
| CN112816673A (en) * | 2021-02-25 | 2021-05-18 | 中国民航大学 | Test device for simulating stratum loosening to cause pavement collapse |
| CN114809129A (en) * | 2022-05-19 | 2022-07-29 | 湖南大学 | Spring movable door test device considering influence of uneven settlement on soil arch effect |
| CN114965953A (en) * | 2022-05-19 | 2022-08-30 | 湖南大学 | Movable door test device for influence of differential settlement on soil arch effect under seepage effect |
| CN115404923A (en) * | 2022-08-30 | 2022-11-29 | 长安大学 | Pile foundation characteristic test device under aftershock effect and use method |
| CN115404923B (en) * | 2022-08-30 | 2024-01-26 | 长安大学 | Pile foundation characteristic test device under aftershock effect and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110438966B (en) | 2024-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110438966A (en) | A kind of relative settlement precise control device of modular | |
| CN112504843B (en) | Trapdoor model test device under static and dynamic load condition and test method thereof | |
| CN107024574B (en) | A kind of soil arching effect simulation test device and test method | |
| CN203025185U (en) | Foundation pit model test device | |
| CN108072570A (en) | Different displacement model anchor plate class Earth Pressure on Retaining Wall experimental rigs and method | |
| CN105842418B (en) | Real-time measurement excavates the model test apparatus of slope landslide slope-mass slide displacement stress | |
| CN105277444A (en) | Full-mechanical-type pile model test device and test method based on multidirectional loading | |
| CN105527389A (en) | Jack-based experiment model and method for simulating uneven settlement of foundation | |
| CN104020262A (en) | Laboratory experiment system for simulating sliding process of landslide along three-dimensional terrain | |
| CN102914632A (en) | Multifunctional geotechnical model test chamber | |
| CN108914982A (en) | High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load | |
| CN105510219A (en) | Circulating model test method capable of flexibly controlling lifting and spacing of bottom plate | |
| CN107354961B (en) | Variable-rigidity pre-stressed anchor-pull type retaining wall soil arch effect test model device and method | |
| CN107315082B (en) | Three-dimensional array type multi-sinking door model test system | |
| CN103469733A (en) | Self-dropping type box girder steel pipe bailey door opening bracket and supporting method thereof | |
| CN104674856A (en) | Foundation pit excavation simulation device under supergravity condition | |
| CN105350488B (en) | A kind of assay device of sheet-pile wharf and preparation method thereof and test method | |
| CN102135475A (en) | Direct-cutting antiskid structure model tester | |
| CN206467702U (en) | A kind of multi-functional pile foundation simulation chamber | |
| CN102828531B (en) | System and construction method for realizing digging and measuring of diaphragm wall trench in geotechnical centrifugal model test | |
| CN106949875A (en) | Suitable for the physical analog test apparatus of slope deformation destruction | |
| CN107748135A (en) | Soil arching effect probes into device and test method under a kind of more displacement models | |
| CN112663516A (en) | Construction method of bridge thin-wall hollow pier column | |
| CN109612839A (en) | A kind of geotechnical model test device | |
| CN104408995A (en) | Visual soil and structure interaction mechanical property experimental apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |