CN108956316A - 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
- Publication number
- CN108956316A CN108956316A CN201810745581.XA CN201810745581A CN108956316A CN 108956316 A CN108956316 A CN 108956316A CN 201810745581 A CN201810745581 A CN 201810745581A CN 108956316 A CN108956316 A CN 108956316A
- Authority
- CN
- China
- Prior art keywords
- loading
- lever
- transmission rod
- frame
- component
- 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 title claims abstract description 95
- 238000011068 loading method Methods 0.000 title claims abstract description 72
- 238000007596 consolidation process Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 title claims abstract description 26
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 26
- 239000000356 contaminant Substances 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 241001504664 Crossocheilus latius Species 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000004575 stone Substances 0.000 claims description 14
- 239000000839 emulsion Substances 0.000 claims description 12
- 210000002445 nipple Anatomy 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910001651 emery Inorganic materials 0.000 claims description 2
- 239000010977 jade Substances 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000009533 lab test Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 14
- 238000005070 sampling Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002676 xenobiotic agent Substances 0.000 description 1
- 230000002034 xenobiotic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention 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 invention belongs to polluted bed mud harnessing project laboratory test research fields in environmental geotechnical, more specifically, relating to
And 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.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of single lever type Large Deformation Consolidation with
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, is easy to implement large-sized indoor model test.
To achieve the goals above, the present invention provides a kind of Large Deformation Consolidations and the load of contaminant transportation coupling test to fill
It 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 present invention also provides a kind of Large Deformation Consolidation and contaminant transportation coupling test are flat
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.
Another object of the present invention is to provide one kind to take at any time in test loading procedure to each layer pollution concentration
The test platform of sample.To achieve the goals above, further, testing column component side wall is uniformly provided with multiple pass through from top to bottom
Lead to the screw thread sample tap of side wall, sealing pin sample tap component is equipped in each screw thread sample tap；Seal pin sampling
Mouth 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 above technical scheme conceived by the present invention compared with prior art, can obtain following beneficial to effect
Fruit:
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 present invention can be used for situations such as stockyard disposition and underwater in-situ covering of simulation test polluted bed mud, obtain utilization
Genesis mechanism that Large Deformation Consolidation when each processing technique carries out polluted bed mud processing is coupled with contaminant transportation and it is regular and
Related practical technique and design engineering method.
Detailed description of the invention
Fig. 1 is the overall structure of a kind of single lever type Large Deformation Consolidation and contaminant transportation coupling test device of the invention
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 objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 and Fig. 2 a, the test column assembly A of the preferred embodiment of the present invention are please referred to, intensity height is selected and corrosion resistance is strong
Organic glass production, height, internal diameter and thickness are 550mm × 250mm × 10mm, and side wall is uniform along short transverse
And simultaneously for thread as sample tap, the open-pore construction for testing column assembly A is as shown in Figure 2 for tetragonal symmetry aperture.
The sealing pin sample tap component B of b and 2c referring to figure 2., the preferred embodiment of the present invention include hollow double end spiral shell
Line junction block B1, dottle pin B2 and head space bottle top type nut B3.Preferably, dottle pin B2 selects import Agilent Agilent center to lead
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；Preferably, empty
The two-port diameter of heart double thread connector pipe B1 is that 9.7mm is selected as according to dottle pin B2, and one end package unsintered tape is screwed into test
Sealing is fixed at the sample tap of column assembly A；Preferably, head space bottle top type nut B3 selects the transparent organic glass easily observed
It is customized, diameter is that 10mm is selected as according to dottle pin B2, is tightened in hollow double thread connector again after placing dottle pin B2 in nut
On the other end of pipe 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 of the present invention are selected transparent, strong
The organic glass production that degree is high and corrosion resistance is strong, holds gasket channel C4 and load guide rod through-hole C7, gasket channel successfully in advance
Then holding plane seal rubber washer C5 in C4 is directly covered again on test column assembly A, wherein gasket channel C4 and plane are close
Sealing 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 metal tape
The pre- means of press seals that threaded rod C6 and fastening nut C3 are covered carries out pre- means of press seals 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 of the present invention select transparent, strong
The organic glass production that degree is high and corrosion resistance is strong, holds groove successfully in advance with holding plane seal rubber washer C15, filter paper C10
With permeable stone C9, place carries out aperture at its center and thread is as sampling and pressure tap C11；Permeable stone C9 circle wraps up unsintered tape
It is put into reserved groove C14 and sealing is fixed；The nipple end package unsintered tape of nipple plastic tube C12 is screwed into spiral shell
Sealing is fixed at line through-hole C11, the other end can need to connect pore pressure meter or sampling valve according to test；With groove chassis C13
It is placed on the bottom of lid, groove is to place nipple plastic tube C12；Preferably, using metal threaded shank C6 and fastening
The pre- means of press seals that nut C3 is covered carries out pre- means of press seals to lid in addition, ring flange can also be used.
The load guide rod component D of a and 4b referring to figure 4., the preferred embodiment of the present invention include guide rod transmission rod D1 and load
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 power transmission
The height of bar D1 is to be needed to carry out size design according to test；Preferably, the diameter of loading pad D2 is according to test column assembly A
Internal diameter is selected as 245mm, and small through hole D3 is uniformly opened on disc as liquid migration hole is squeezed, avoids lower hydraulic excessive from sample tap
It overflows；Load guide rod component D is placed in test column assembly A during the test, and lower end loading pad D2 connects with test sample
Touching, upper end guide rod transmission rod D1 pass through the load guide rod through-hole C7 of top cover labyrinth component C1 and are in contact with loading frame component E.
Referring to figure 5. and Fig. 6, the loading frame component E of the preferred embodiment of the present invention include fixed loading end E1, frame biography
Power bar 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 extension disk is applied
E9, increase stone roller extension disk counterweight E10, fixed pivot structure E11, frame big lever E12, balance pivot structure E13, lever connecting rod
E14 and fixed placement surface E15；Specific size parameter can according to test column assembly A, load guide rod component D and test requirements document into
Row setting；Preferably, be all made of stainless steel production, can also partially using cast iron production as sliding weight E6, increase stone roller hang disk counterweight E10 and
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.
Please refer to Fig. 7, the detector for displacement measuring component F of the preferred embodiment of the present invention includes that dial gauge F1, height adjustment are fixed
Bar F2, height adjusting screw rod F3 and firm banking F4.Dial gauge F1 is fixed by height adjustment fixed link F2, and is being tested
It is aligned and connects with the fixation loading end E1 of loading frame component E in the process；Height adjustment fixed link F2 is in height adjusting screw rod F3
Freely adjustable height；Height adjusting screw rod F3 is connect with firm banking F4；Detector for displacement measuring component F is placed during the test
On top cover labyrinth component C1, dial gauge F1 can according to test requirements document carry out range selection, can also according to actual measurement demand,
Use other range instrument instead.
The specific operation process for carrying out coupling test using the present invention 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 foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
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 claimed in claim 1 or 2 and contaminant transportation coupling test loading device, feature exist
In further including table leg bracket (E5) and fixed placement surface (E15)；Framework table (E4) and fixed placement surface (E15) pass through table
Leg support (E5) support；Fixed placement surface (E15) is located at below lever mechanism, for placing idle load, the load
It is placed on when for testing and applies load stone roller extension disk (E9), apply load.
4. a kind of Large Deformation Consolidation and contaminant transportation coupling test platform as described in claims 1 to 3 any one, special
Sign is, multiple through-holes are uniformly opened up 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, lower sealing cover component and detector for displacement measuring (F)；
Test column assembly (A) upper and lower ends pass through top cover labyrinth component, the sealing of lower sealing cover component respectively, and it is empty to constitute closed experiment
Between；
Loading pad (D2) is located in closed lab space, and the transmission rod upper end (D1) passes through top cover labyrinth component, and it is empty that experiment is closed in stretching
Between it is outer；
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 and contaminant transportation coupling test platform as described in claim 6~8 any one, special
Sign is, lower sealing cover component 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 and contaminant transportation coupling test platform as claimed in claim 8 or 9, which is characterized in that
Test column assembly (A), upper cover ontology (C1), lower cover ontology (C2), with groove chassis (C13) material are organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745581.XA CN108956316B (en) | 2018-07-09 | 2018-07-09 | Large-deformation consolidation and pollutant migration coupling test loading device and platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745581.XA CN108956316B (en) | 2018-07-09 | 2018-07-09 | Large-deformation consolidation and pollutant migration coupling test loading device and platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108956316A true CN108956316A (en) | 2018-12-07 |
| CN108956316B CN108956316B (en) | 2024-06-04 |
Family
ID=64482452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810745581.XA Active CN108956316B (en) | 2018-07-09 | 2018-07-09 | Large-deformation consolidation and pollutant migration coupling test loading device and platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108956316B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114755393A (en) * | 2022-04-29 | 2022-07-15 | 内蒙古师范大学 | Simulation device for migration and diffusion of micro plastic in soil |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020057947A1 (en) * | 1999-04-09 | 2002-05-16 | Hendrikus Schraven | System and method of soil distribution, such as a soil blend, capable of being blown into place |
| CN104502562A (en) * | 2014-11-25 | 2015-04-08 | 宁波大学 | Vertical well drainage consolidation soft foundation processing model test device and test method |
| CN104913977A (en) * | 2015-06-18 | 2015-09-16 | 兰州交通大学 | Indoor frozen soil model pile static force loading experimental device and method |
| CN106124366A (en) * | 2016-08-31 | 2016-11-16 | 温州大学 | The undisturbed soil sampling device used in undisturbed soil contaminant transportation test method under load action and test |
| CN106248495A (en) * | 2016-07-25 | 2016-12-21 | 上海绿地建设(集团)有限公司 | The indoor long-term assay device of post grouting pile of simulated groundwater flowing and test method thereof |
| CN107631976A (en) * | 2017-10-23 | 2018-01-26 | 桂林理工大学 | Seepage consolidation instrument and its application under chemico-mechanic coupling |
| CN207300823U (en) * | 2017-10-23 | 2018-05-01 | 桂林理工大学 | A kind of seepage consolidation instrument under chemistry-Coupling with Mechanics effect |
| CN208568486U (en) * | 2018-07-09 | 2019-03-01 | 华中科技大学 | A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform |
-
2018
- 2018-07-09 CN CN201810745581.XA patent/CN108956316B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020057947A1 (en) * | 1999-04-09 | 2002-05-16 | Hendrikus Schraven | System and method of soil distribution, such as a soil blend, capable of being blown into place |
| CN104502562A (en) * | 2014-11-25 | 2015-04-08 | 宁波大学 | Vertical well drainage consolidation soft foundation processing model test device and test method |
| CN104913977A (en) * | 2015-06-18 | 2015-09-16 | 兰州交通大学 | Indoor frozen soil model pile static force loading experimental device and method |
| CN106248495A (en) * | 2016-07-25 | 2016-12-21 | 上海绿地建设(集团)有限公司 | The indoor long-term assay device of post grouting pile of simulated groundwater flowing and test method thereof |
| CN106124366A (en) * | 2016-08-31 | 2016-11-16 | 温州大学 | The undisturbed soil sampling device used in undisturbed soil contaminant transportation test method under load action and test |
| CN107631976A (en) * | 2017-10-23 | 2018-01-26 | 桂林理工大学 | Seepage consolidation instrument and its application under chemico-mechanic coupling |
| CN207300823U (en) * | 2017-10-23 | 2018-05-01 | 桂林理工大学 | A kind of seepage consolidation instrument under chemistry-Coupling with Mechanics effect |
| CN208568486U (en) * | 2018-07-09 | 2019-03-01 | 华中科技大学 | A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114755393A (en) * | 2022-04-29 | 2022-07-15 | 内蒙古师范大学 | Simulation device for migration and diffusion of micro plastic in soil |
| CN114755393B (en) * | 2022-04-29 | 2023-08-04 | 内蒙古师范大学 | Micro-plastic migration and diffusion simulation device in soil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108956316B (en) | 2024-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11579049B2 (en) | Diffusive gradients in thin films (DGT) probe test device for sediment core in lake and test method using the same | |
| Vanapalli et al. | Axis translation and negative water column techniques for suction control | |
| CN104964878B (en) | The triaxial test system and method for unsaturated soil multi- scenarios method | |
| CN107389896B (en) | Top layer bed material pollutant adsorption/desorption characteristic measuring device and its application method | |
| CN204789158U (en) | Triaxial test device of many field couplings of unsaturated soil | |
| CN110672497A (en) | Multifunctional infiltration piping tester | |
| CN103398933A (en) | Constant-pressure concrete permeability testing device | |
| CN208568485U (en) | A kind of load Large Deformation Consolidation and contaminant transportation coupling test device automatically | |
| CN205538499U (en) | A full -automatic staight scissors appearance for determining chemical contamination soil shear strength | |
| CN110849792A (en) | Test device and method for water conductivity coefficient and water and soil parameters of saline soil in aeration zone | |
| CN1737530A (en) | Method for testing permeability coefficient and anti-pervasion gradient ratio | |
| CN208568486U (en) | A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform | |
| CN108362626A (en) | A kind of fexible unit measuring concrete water, impervious coefficient | |
| CN203224427U (en) | Coarse-grained soil permeability coefficient measuring device | |
| CN108956316A (en) | A kind of Large Deformation Consolidation and contaminant transportation coupling test loading device and platform | |
| Lu et al. | Study on transport of Cr (VI) through the landfill liner composed of two-layer soils | |
| CN204944999U (en) | A kind of simple and easy humidification soil sample pore water pressure real-time test device | |
| CN108956317A (en) | A kind of load Large Deformation Consolidation and contaminant transportation coupling test device automatically | |
| CN109839494B (en) | Test device capable of measuring size of capillary gas-phase seepage influence area | |
| Lim et al. | An improved rotating cylinder test design for laboratory measurement of erosion in clayey soils | |
| CN106706498A (en) | Steady state water permeability coefficient testing device and method of concrete type material | |
| CN113758850B (en) | Flexible wall permeameter for realizing temperature-stress integrated control under dry-wet circulation | |
| CN105547787A (en) | Remodeled saturated soil and water chemical leaching testing device and method thereof | |
| CN115144564A (en) | Measurement system and method for simultaneously determining soil-water characteristic curve and unsaturated permeability coefficient | |
| Reynolds et al. | 3.4. 2 Laboratory Methods |
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 |