CN208568486U - A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform - Google Patents
A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform Download PDFInfo
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Abstract
The utility model discloses a kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform, belong to polluted bed mud harnessing project laboratory test research field in environmental geotechnical.Sliding weight small lever and frame big lever in the loading device are connected to balance pivot structure two sides, and composition lever mechanism is simultaneously hanging；Sliding weight is set on sliding weight small lever, is applied and is carried the Shi Zaiduan that stone roller extension disk is set to frame big lever；Frame transmission rod upper end is connected and fixed loading end, lower end connection framework big lever；Loading guide rod component includes guide rod transmission rod and the loading pad set on guide rod transmission rod lower end；Guide rod transmission rod upper end is connect with fixed loading end, carries Shi Zaishi on stone roller extension disk when applying, loading force is finally transmitted to loading pad, to press to test specimen, realizes big-size model test.The platform is based on above-mentioned apparatus, and multiple sealing pin sample tap components are arranged on test column assembly, and realization samples at any time during loading.
Description
Technical field
The utility model belongs to polluted bed mud harnessing project laboratory test research field in environmental geotechnical, more specifically
Ground is related to a kind of single lever type Large Deformation Consolidation and contaminant transportation coupling test loading device and platform.
Background technique
In recent years, with the acceleration of industrialization and urbanization paces, a large amount of xenobiotic pollutants enter rivers and lakes, cause
Serious sediment pollution.The handling problems of polluted bed mud increasingly attract widespread attention, while also becoming geotechnical engineering
Researcher major issue urgently to be resolved.
The repairing and treating of polluted bed mud is a sufficiently complex engineering, is related to soil mechanics, hydraulics, chemistry and life
The multi-disciplinary intersection such as object.Currently, for soil solidifying, environmental project and hydrogeological field for dirt in geotechnical engineering
Dye object migration has carried out a large amount of research respectively, but for this subject of the coupling of soil body Large Deformation Consolidation and contaminant transportation
The research of cross-cutting issue is also fewer, and is often all based on theoretical and numerical simulation analysis, and for its indoor model test
Research be even more be rarely reported.
In fact, (such as stockyard disposition and underwater in-situ in the various environmental geotechnicals practice of processing contaminated sediments
Covering etc.), often there is a phenomenon where Large Deformation Consolidations couples with contaminant transportation, is fully understood from the genesis mechanism of the phenomenon
It will be helpful to us and preferably handle these contaminated bed muds, and then more effectively instruct the analysis of correlation engineering problem and set
Meter.
But so far, at home and abroad there is no may be directly applied to research bed mud Large Deformation Consolidation and contaminant transportation
The laboratory test instrument of coupling.Existing some simulation experiment methods are as follows:
Zheng Jian etc. (2016) has carried out model test using hypergravity centrifuge, has studied the big change of bed mud after addition coating
Shape consolidates the influence to contaminant transportation, but very high using the cost of hypergravity centrifuge in the test, is not easy to model
The popularization of the multiplicating test and test method of test.In addition, the small size of the test influences the problem of test result (i.e. mould
Molded dimension require it is larger, small size stringency of test is poor) and test loading procedure in taking at any time to each layer pollution concentration
Sample problem does not solve very well.
Lee and Fox etc. (2009) has devised a kind of coupling test device of bascule load, and carried out it is some compared with
Complete coupling test, can be to being sampled in test at any time at the top and bottom of sample, but and do not solved and tested loading procedure
In to the problem of sampling at any time of each layer pollution concentration.In addition, for large-sized model test, needed for the loading method of the device
The rate of loading requirement wanted is very high, it is difficult to meet, therefore, need to improve to loading method.
Meric etc. (2013) independent development coupling test device of a set of loading method based on pulley blocks, Neng Gouman
Foot load demand, can the large-sized model test of further progress, but the design of its charging assembly is excessively complicated and cumbersome, improves
Production cost expense, the requirement of device, reduce device quality (such as stability, maintainability, intensity etc.) and
Durability degree.In addition, the experimental rig and does not solve in test loading procedure to the problem of sampling at any time of each layer pollution concentration yet.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, it is solid to provide a kind of single lever type large deformation for the utility model
Knot and contaminant transportation coupling test loading device and platform, one of its goals is to, simplify loading frame using lever principle,
So that loading method is simple and efficient in test, it is easy to implement large-sized indoor model test.
To achieve the goals above, the utility model provides a kind of Large Deformation Consolidation and adds with contaminant transportation coupling test
It carries and sets, comprising: loading frame component and load guide rod component；
Loading frame component includes fixed loading end, frame transmission rod, framework table, sliding weight, sliding weight small lever, applies load stone roller
Hang disk, fixed pivot structure, frame big lever and balance pivot structure；
Framework table offers through-hole；Balance pivot structure is fixed below framework table, and sliding weight small lever and frame are big
Lever is connected to balance pivot structure two sides, forms lever mechanism, and keep sliding weight small lever and frame big lever hanging；Trip
Stone roller is set on sliding weight small lever, is applied and is carried the Shi Zaiduan that stone roller extension disk is set to frame big lever；Frame transmission rod passes through through-hole, and thereon
End is connected and fixed loading end, and lower end is connected to frame big lever close to the position of balance pivot structure；
Loading guide rod component includes guide rod transmission rod and the loading pad set on guide rod transmission rod lower end；Guide rod transmission rod upper end
Connect with fixed loading end, carry stone roller when applying and hang Shi Zaishi on disk, loading force passes sequentially through frame big lever, frame transmission rod, admittedly
Determine loading end and guide rod transmission rod is transferred to loading pad, to press to test specimen.
Further, frame transmission rod quantity is two, parallel and symmetrical to be arranged in frame big lever two sides；Lever connection
Bar passes through frame big lever, is rotatably assorted with frame big lever；The both ends of lever connecting rod respectively with two frame transmission rods
Lower end is fixedly connected.
Further, which further includes table leg bracket and fixed placement surface；Framework table and fixed placement surface are equal
It is supported by table leg bracket；Fixed placement surface is located at below lever mechanism, and for placing idle load, which is used for
It is placed on and is applied on load stone roller extension disk when test, apply load.
Further, multiple through-holes are uniformly opened up in loading pad as extruding liquid migration hole.
To achieve the goals above, the utility model additionally provides a kind of Large Deformation Consolidation and contaminant transportation coupling test
Platform, including any one foregoing Large Deformation Consolidation and contaminant transportation coupling test loading device.
Further, platform further include: test column assembly, top cover labyrinth component, lower sealing cover component and displacement measurement
Instrument；
Test column assembly upper and lower ends pass through top cover labyrinth component, the sealing of lower sealing cover component respectively, constitute closed experiment
Space；
Loading pad is located in closed lab space, and transmission rod upper end passes through top cover labyrinth component, and stretching is closed outside lab space；
Detector for displacement measuring is used to measure the displacement of fixed loading end.
The another object of the utility model is, provide one kind can in test loading procedure to each layer pollution concentration with
When the test platform that samples.To achieve the goals above, further, testing column component side wall is uniformly provided with more from top to bottom
The screw thread sample tap of a perforation side wall, sealing pin sample tap component is equipped in each screw thread sample tap；Seal pin
Sample tap component includes hollow double thread connector pipe, soap-free emulsion polymeization BTO dottle pin and head space bottle top type nut；
Hollow double thread connector pipe one end is tightened in screw thread sample tap, and soap-free emulsion polymeization BTO dottle pin is arranged in the other end；
Head space bottle top type nut and hollow double thread connector pipe screw thread cooperate, and soap-free emulsion polymeization BTO dottle pin is fixed on hollow double end spiral shell
Line connector tube end, and make soap-free emulsion polymeization BTO dottle pin partial denudation.
Further, top cover labyrinth component includes upper cover ontology and upper flat seal rubber washer；Upper cover ontology is equipped with
Gasket channel and load guide rod through-hole, upper flat seal rubber washer be set to gasket channel in, transmission rod pass through load guide rod
Through-hole.
Further, lower sealing cover component includes lower cover ontology, permeable stone, filter paper, nipple plastic tube, with groove bottom
Disk and lower plane seal rubber washer；
Lower cover body upper surface is equipped with permeable stone groove, and permeable stone ditch groove center is equipped with tapped through hole；Permeable stone, filter paper from
It is sequentially arranged under in permeable stone groove, covers tapped through hole；Nipple plastic tube is fixed on lower cover by with groove chassis
The nipple of ontology lower surface, nipple plastic tube screws in tapped through hole；Lower plane seal rubber washer is set to lower cover
Body upper surface, for being sealed with the cooperation of test column assembly lower end.
Further, testing column assembly, upper cover ontology, lower cover ontology, with groove chassis material is organic glass.
In general, the utility model is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1, a kind of single lever type loading frame component for being applicable to this test is designed based on lever principle, passes through sliding weight
Small lever and frame big lever carry out load and trim, easy to operate and efficient, to be adapted for large-sized indoor model
Test；
2, testing column side wall is uniformly punched from top to bottom, the sealing pin sampled at any time using autonomous Design
Sample tap component carries out the connection of testing column areole, pierces sealing characteristics using the needle of soap-free emulsion polymeization BTO dottle pin, injection can be used
Device is directly pierced into soap-free emulsion polymeization BTO dottle pin and is sampled at any time, and entire sampling process is also to seal always, will not be leaked；
3, the main component of organic glass production test column assembly and upper-lower seal cap assemblies is selected, convenient for observation examination in real time
Process and situation are tested, while helping to promote sampling accuracy because being easy to observe；
4, the utility model can be used for situations such as stockyard disposition and underwater in-situ covering of simulation test polluted bed mud, obtain
The genesis mechanism and rule that Large Deformation Consolidation when carrying out polluted bed mud processing with each processing technique is coupled with contaminant transportation
And related practical technique and design engineering method.
Detailed description of the invention
Fig. 1 is a kind of single lever type Large Deformation Consolidation of the utility model and the entirety of contaminant transportation coupling test device
Structural schematic diagram；
Fig. 2 a~2c is the structure for testing column assembly and seal pin sample tap component and pollution concentration sampling in Fig. 1
Schematic diagram；
Fig. 3 a~3d is the structural schematic diagram of upper-lower seal cap assemblies in Fig. 1；
Fig. 4 a, 4b are the structural schematic diagram that guide rod component is loaded in Fig. 1；
Fig. 5 is the structural schematic diagram of loading frame component in Fig. 1；
Fig. 6 is the structural schematic diagram at another visual angle of Fig. 5；
Fig. 7 is the structural schematic diagram of detector for displacement measuring component in Fig. 1.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
A- tests column assembly；
B- seals pin sample tap component, comprising:
The hollow double thread connector pipe of B1-, B2- soap-free emulsion polymeization BTO dottle pin, B3- head space bottle top type nut, B4- sampling injection
Device；
Top cover labyrinth component, comprising:
C1- upper cover ontology, C3- fastening nut, C4- gasket channel, the upper flat seal rubber washer of C5-, C6- metal tape spiral shell
Rasp bar, C7- load guide rod through-hole, C8- metal threaded shank through-hole；
Lower sealing cover component, comprising:
C2- lower cover ontology, C9- permeable stone, C10- filter paper, C11- tapped through hole, C12- nipple plastic tube, C13- band
Groove chassis, C14- permeable stone groove, C15- lower plane seal rubber washer；
D- loads guide rod component, comprising:
D1- transmission rod, D2- loading pad, D3- through-hole；
E- loading frame component, comprising:
E1- fixes loading end, E2- transmission rod, E3- through-hole, E4- framework table, E5- table leg bracket, E6- sliding weight, E7- trip
Small lever, E8- fixture nut are cut or polish jade with an emery wheel, E9- applies load stone roller and hangs disk, and E10- increases stone roller and hangs disk counterweight, E11- fixed pivot structure, E12- frame
Big lever, E13- balance pivot structure, E14- lever connecting rod, the fixed placement surface of E15-；
F- detector for displacement measuring component, comprising:
F1- dial gauge, F2- height adjustment fixed link, F3- height adjusting screw rod, F4- firm banking.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
Fig. 1 and Fig. 2 a, the test column assembly A of the preferred embodiment in the utility model are please referred to, selects intensity high and corrosion-resistant
Property strong organic glass production, height, internal diameter and thickness are 550mm × 250mm × 10mm, and side wall is along short transverse
Simultaneously for thread as sample tap, the open-pore construction for testing column assembly A is as shown in Figure 2 for uniform and tetragonal symmetry aperture.
B and 2c referring to figure 2., the sealing pin sample tap component B of the preferred embodiment in the utility model include hollow double
Head thread junction block B1, dottle pin B2 and head space bottle top type nut B3.Preferably, dottle pin B2 is selected in import Agilent Agilent
Heart guide hole soap-free emulsion polymeization BTO dottle pin, diameter 11mm are easily punctured, resistance to perforation, and needle thorn number may be up to 400 times and No leakage；It is preferred that
Ground, the two-port diameter of hollow double thread connector pipe B1 are that 9.7mm is selected as according to dottle pin B2, and one end package unsintered tape is screwed into
It tests and sealing is fixed at the sample tap of column assembly A；Preferably, head space bottle top type nut B3 select it is transparent easily observe it is organic
Glass is customized, and diameter is that 10mm is selected as according to dottle pin B2, is tightened in hollow double thread again after placing dottle pin B2 in nut
On the other end of junction block B1；It is sampled at any time using sampling injector B4 during the test.
A and 3b referring to figure 3., the upper cover ontology C1 of the top cover labyrinth component of the preferred embodiment in the utility model are selected saturating
The organic glass production bright, intensity is high and corrosion resistance is strong, holds gasket channel C4 and load guide rod through-hole C7, washer successfully in advance
Then holding plane seal rubber washer C5 in groove C4 is directly covered on test column assembly A, wherein gasket channel C4 peace again
Face seal rubber washer C5 is to carry out size design and customization according to the internal diameter and thickness of test column assembly A；Preferably, using gold
Belong to the pre- means of press seals that threaded shank C6 and fastening nut C3 is covered, pre- means of press seals is carried out to lid in addition, ring flange can also be used.
C and 3d referring to figure 3., the lower cover ontology C2 of the lower sealing cover component of the preferred embodiment in the utility model select saturating
The organic glass production bright, intensity is high and corrosion resistance is strong holds groove successfully in advance with holding plane seal rubber washer C15, filter
Paper C10 and permeable stone C9, place carries out aperture at its center and thread is as sampling and pressure tap C11；Permeable stone C9 circle package
Unsintered tape is put into reserved groove C14 and sealing is fixed；Wrap up unsintered tape in the nipple end of nipple plastic tube C12
It is threaded at through-hole C11 and sealing is fixed, the other end can need to connect pore pressure meter or sampling valve according to test；With groove bottom
Disk C13 is placed on the bottom of lid, and groove is to place nipple plastic tube C12；Preferably, using metal threaded shank C6 and
The pre- means of press seals that fastening nut C3 is covered carries out pre- means of press seals to lid in addition, ring flange can also be used.
A and 4b referring to figure 4., the load guide rod component D of the preferred embodiment in the utility model include guide rod transmission rod D1 and
Loading pad D2.Preferably, stainless steel is selected to be customized, guide rod transmission rod D1 and loading pad D2 are using welded connecting；Guide rod
The height of transmission rod D1 is to be needed to carry out size design according to test；Preferably, the diameter of loading pad D2 is according to testing column group
The internal diameter of part A is selected as 245mm, uniformly opened on disc small through hole D3 as squeeze liquid migration hole, avoid lower hydraulic excessive from
Sample tap overflows；Load guide rod component D is placed in test column assembly A during the test, lower end loading pad D2 and test
Sample contact, upper end guide rod transmission rod D1 across top cover labyrinth component C1 load guide rod through-hole C7 and with loading frame component E
It is in contact.
Referring to figure 5. and Fig. 6, the loading frame component E of the preferred embodiment in the utility model include fixed loading end E1, frame
Frame transmission rod E2, through-hole E3, framework table E4, table leg bracket E5, sliding weight E6, sliding weight small lever E7, fixture nut E8, load stone roller is applied
It hangs disk E9, increase stone roller extension disk counterweight E10, fixed pivot structure E11, frame big lever E12, balance pivot structure E13, lever connection
Bar E14 and fixed placement surface E15；Specific size parameter can be according to test column assembly A, load guide rod component D and test requirements document
It is set；Preferably, it is all made of stainless steel production, disk counterweight E10 partially can also be hung using cast iron production such as sliding weight E6, increasing stone roller
With fixed pivot structure E11.
Preferably, fixed loading end E1 selects bolt to be directly threaded into the upper side pole of frame transmission rod E2, in test process
In its be aligned and be connected with the end of the upper end guide rod transmission rod D1 of load guide rod component D；Two vertical bars of frame transmission rod E2 are
Connect across through-hole E3 and with lever connecting rod E14；The threaded one end connector of sliding weight small lever E7 is screwed into frame big lever E12's
On end, the other end is screwed into sliding weight E6 and is fixed using fixture nut E8；Frame big lever E12 passes through fixed pivot structure
E11 and balance pivot structure E13 is fixed on the bottom surface of framework table E4, keeps it hanging and keeps certain height, specific height gauge
It is very little to be set according to test requirements document.
It is connected in addition, frame big lever E12 also passes through lever connecting rod E14 with frame transmission rod E2, to ensure testing
In the process by applying the consolidation for carrying end pressurization and realizing test sample in frame big lever E12；Pass through increase and decrease during the test
Increase stone roller and hang disk counterweight E10 and rotation sliding weight E6 suitable, counterclockwise, adjusts the tilted upward degree of frame big lever E12, and then drive
Frame transmission rod E2 decline and rising are pressurizeed and are depressurized to realize test.
Fig. 7 is please referred to, the detector for displacement measuring component F of the preferred embodiment in the utility model includes dial gauge F1, height adjustment
Fixed link F2, height adjusting screw rod F3 and firm banking F4.Dial gauge F1 is fixed by height adjustment fixed link F2, and
It is aligned and connects with the fixation loading end E1 of loading frame component E in experimentation；Height adjustment fixed link F2 is in height adjustment spiral shell
The freely adjustable height of bar F3；Height adjusting screw rod F3 is connect with firm banking F4；Detector for displacement measuring component F during the test
It is placed on top cover labyrinth component C1, dial gauge F1 can carry out range selection according to test requirements document, can also be according to actual measurement
Demand uses other range instrument instead.
The specific operation process for carrying out coupling test using the utility model is as follows:
(1) test column assembly A, sealing pin sample tap component B and lower sealing cover component C2 are assembled to be placed on and is added
On the framework table E4 for carrying frame assembly E；It is successively layered according to testing program and is packed into test sample material；In dress test sample material
Filter paper, backing plate, pressure sensor and load guide rod component D are placed in material；Top cover labyrinth component C1 is put on, and uses metal tape
Threaded rod C6 and fastening nut C3 carries out the pre- means of press seals of upper and lower covers.
(2) according to load guide rod component D rod end height adjustment loading frame component E frame transmission rod E2 height,
And fixed loading end E1 is aligned with the end of upper end guide rod transmission rod D1 and is connected.
(3) detector for displacement measuring component F is placed on top cover labyrinth component C1, and according to the height tune of fixed loading end E1
The height of height adjustment fixed link F2 has been saved, and the end of dial gauge F1 is aligned with fixed loading end E1 and is connected.
(4) according to testing program and pressure sensor, determining loading method and pressure size in Control experiment.
(5) the bottom pore water pressure parameter of different moments and the sedimentation value of bed mud in record test.Meanwhile it testing
It is middle to use syringe Stratified Sampling liquid at times, and special detection department is sent to carry out pollutant concentration test.
(6) repairing experiment data, and the analysis and processing of test data are carried out, it analyzes bed mud consolidation settlement and pollutant moves
The mechanism and rule of shifting.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Large Deformation Consolidation and contaminant transportation coupling test loading device characterized by comprising loading frame component
(E) and guide rod component (D) is loaded；
Loading frame component (E) includes fixed loading end (E1), frame transmission rod (E2), framework table (E4), sliding weight (E6), trip
Stone roller small lever (E7) applies load stone roller extension disk (E9), fixed pivot structure (E11), frame big lever (E12) and balance pivot structure
(E13)；
Framework table (E4) offers through-hole (E3)；Balance pivot structure (E13) is fixed below framework table (E4), and sliding weight is small
Lever (E7) and frame big lever (E12) are connected to the two sides balance pivot structure (E13), form lever mechanism, and make to swim
It cuts or polish jade with an emery wheel small lever (E7) and frame big lever (E12) is hanging；Sliding weight (E6) is set on sliding weight small lever (E7), is applied load stone roller and is hung disk (E9)
Set on the Shi Zaiduan of frame big lever (E12)；Frame transmission rod (E2) passes through through-hole (E3), and the upper end is connected and fixed loading end
(E1), lower end is connected to the position of frame big lever (E12) close to balance pivot structure (E13)；
Load guide rod component (D) includes guide rod transmission rod (D1) and the loading pad (D2) for being set to the lower end guide rod transmission rod (D1)；It leads
The bar transmission rod upper end (D1) is connect with fixed loading end (E1), carries Shi Zaishi on stone roller extension disk (E9) when applying, loading force passes sequentially through
Frame big lever (E12), frame transmission rod (E2), fixed loading end (E1) and guide rod transmission rod (D1) are transferred to loading pad
(D2), to press to test specimen.
2. a kind of Large Deformation Consolidation as described in claim 1 and contaminant transportation coupling test loading device, which is characterized in that
Frame transmission rod (E2) quantity is two, parallel and symmetrical to be arranged in the two sides frame big lever (E12)；Lever connecting rod (E14)
Across frame big lever (E12), it is rotatably assorted with frame big lever (E12)；The both ends of lever connecting rod (E14) respectively with two
The lower end of frame transmission rod (E2) is fixedly connected.
3. a kind of Large Deformation Consolidation as described in claim 1 and contaminant transportation coupling test loading device, which is characterized in that
It further include table leg bracket (E5) and fixation placement surface (E15)；Framework table (E4) and fixed placement surface (E15) pass through table leg branch
Frame (E5) support；Fixed placement surface (E15) is located at below lever mechanism, and for placing idle load, which is used for
It is placed on and is applied on load stone roller extension disk (E9) when test, apply load.
4. a kind of Large Deformation Consolidation and contaminant transportation coupling test loading device as described in claims 1 to 3 any one,
It is characterized in that, uniformly opening up multiple through-holes in loading pad (D2) as extruding liquid migration hole.
5. a kind of Large Deformation Consolidation and contaminant transportation coupling test platform, which is characterized in that any including Claims 1 to 4
Large Deformation Consolidation described in one and contaminant transportation coupling test loading device.
6. a kind of Large Deformation Consolidation as claimed in claim 5 and contaminant transportation coupling test platform, which is characterized in that also wrap
It includes: test column assembly (A), top cover labyrinth component (C1), lower sealing cover component (C2) and detector for displacement measuring (F)；
Test column assembly (A) upper and lower ends pass through top cover labyrinth component (C1), lower sealing cover component (C2) sealing respectively, constitute close
Close lab space；
Loading pad (D2) is located in closed lab space, and the transmission rod upper end (D1) passes through top cover labyrinth component (C1), and reality is closed in stretching
It tests outside space；
Detector for displacement measuring (F) is used to measure the displacement of fixed loading end (E1).
7. a kind of Large Deformation Consolidation as claimed in claim 6 and contaminant transportation coupling test platform, which is characterized in that test
Column assembly (A) side wall is uniformly provided with the screw thread sample tap of multiple perforation side walls from top to bottom, is all provided in each screw thread sample tap
There is sealing pin sample tap component (B)；Sealing pin sample tap component (B) include hollow double thread connector pipe (B1),
Soap-free emulsion polymeization BTO dottle pin (B2) and head space bottle top type nut (B3)；
Hollow double thread connector pipe (B1) one end is tightened in screw thread sample tap, and soap-free emulsion polymeization BTO dottle pin is arranged in the other end
(B2)；Head space bottle top type nut (B3) is threadedly engaged with hollow double thread connector pipe (B1), by soap-free emulsion polymeization BTO dottle pin (B2)
It is fixed on hollow double thread connector pipe (B1) end, and makes soap-free emulsion polymeization BTO dottle pin (B2) partial denudation.
8. a kind of Large Deformation Consolidation and contaminant transportation coupling test platform as claimed in claims 6 or 7, which is characterized in that
Top cover labyrinth component includes upper cover ontology (C1) and upper flat seal rubber washer (C5)；The washer that upper cover ontology (C1) is equipped with
Groove (C4) and load guide rod through-hole (C7), upper flat seal rubber washer (C5) are set in gasket channel (C4), transmission rod
(D1) load guide rod through-hole (C7) is passed through.
9. a kind of Large Deformation Consolidation as claimed in claim 8 and contaminant transportation coupling test platform, which is characterized in that under it is close
Closure assemblies include lower cover ontology (C2), permeable stone (C9), filter paper (C10), nipple plastic tube (C12), with groove chassis
(C13) and lower plane seal rubber washer (C15)；
The lower cover ontology upper surface (C2) is equipped with permeable stone groove (C14), and the permeable stone groove center (C14) is equipped with tapped through hole
(C11)；Permeable stone (C9), filter paper (C10) are sequentially arranged in from top to bottom in permeable stone groove (C14), cover tapped through hole
(C11)；Nipple plastic tube (C12) is fixed on the lower surface lower cover ontology (C2), nipple modeling by with groove chassis (C13)
The nipple of expects pipe (C12) screws in tapped through hole (C11)；Lower plane seal rubber washer (C15) is set to lower cover ontology
(C2) upper surface, for being sealed with the cooperation of the test column assembly lower end (A).
10. a kind of Large Deformation Consolidation as claimed in claim 9 and contaminant transportation coupling test platform, which is characterized in that examination
Testing column assembly (A), upper cover ontology (C1), lower cover ontology (C2), with groove chassis (C13) material is organic glass.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108956316A (en) * | 2018-07-09 | 2018-12-07 | 华中科技大学 | A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956316A (en) * | 2018-07-09 | 2018-12-07 | 华中科技大学 | A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform |
| CN108956316B (en) * | 2018-07-09 | 2024-06-04 | 华中科技大学 | Large-deformation consolidation and pollutant migration coupling test loading device and platform |
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