CN110376056A - The Soil Interface of deep-sea anchor structure carefully sees evolution properties experimental rig and test method - Google Patents
The Soil Interface of deep-sea anchor structure carefully sees evolution properties experimental rig and test method Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- 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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G01—MEASURING; TESTING
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- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0286—Miniature specimen; Testing on microregions of a specimen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The present invention relates to a kind of Soil Interfaces of deep-sea anchor structure carefully to see evolution properties experimental rig and test method, belongs to geotechnical engineering, field of ocean engineering.The Soil Interface of deep-sea anchor structure carefully sees bottom in the riveting steel structure truss of evolution properties experimental rig and is equipped with organic glass model case, and basic half model is arranged in organic glass model case；Inspection surface is equipped with LED bar graph light source；Displacement constraint device is equipped in machine glass molds molding box, displacement sensor and data collection system carry out signal transmission；Data collection system is sent data in image analysis end；Image analysis end obtains image information by array of microscopes and is analyzed.Full model test of the invention is difficult to be directly observed the thin sight variation of the soil body of Structure Soil interface, but can be carried out intuitive observation by half model test.Displacement constraint device is ingenious in design, and making design according to test different phase ensures to efficiently control half model in the case where not influencing test result and move in set footprint.
Description
Technical field
The present invention relates to a kind of Soil Interfaces of deep-sea anchor structure carefully to see evolution properties experimental rig and test method, belongs to
In geotechnical engineering, field of ocean engineering.
Background technique
Under " ocean power " strategic plan, China's marine resources development and utilization cause are rapidly growing, adaptation to local conditions,
Marching from shallow sea to deep-sea is the inexorable trend developed, and in marine environment, offshore platform has different structure type, thus has
Various forms of bases.For anchor foundation with its low cost, flexibility is good, and the advantages such as small affected by environment are used widely.It is deep
Extra large anchor foundation is born during use, is subjected to the pulling force that self gravity, buoyancy and hawser are applied, also subject to wind,
Complicated loads that wave, water flow etc. are transmitted by mooring line (including small magnitude low frequency Long-term Cyclic Loading, vertical force-water
Flat power-moment of flexure-torque synergy)；These static and dynamic loadings concentration acts on anchor foundation, the carrying to anchor structure
Performance proposes requirements at the higher level.
Anchor structure mainly provides anti-pulling capacity, and therefore, also referred to as anti_floating foundation structure (mainly includes suction anchor, dynamic
Power anchor and plate anchor etc.), their load-carrying properties are mainly controlled by the boundary strength between deep-sea soil and structure；It is recycled for a long time
Under dynamic loading, soil-structural interface intensity is gradually weakened, this will be to resistance to plucking structural bearing performance and surface platform structure
The safety of object and stable generate greatly threaten.Have to ocean soil-structural interface Research Literature mostly from macroscopical drag rule
Angle research considers that the research of Soil Microstructure variation is less；Existing Soil Microstructure research spininess to intergranular soil,
Water microscopic property, and the complicated loads that the nearly interface soil body is transmitted by structure, interface are also possible to become moisture film enrichment
Carrier even forms seepage channel, and nearly interface soil, the microcosmic mechanism of Evolution of water are still not very clear.Therefore, solely in conjunction with deep-sea soil
The microstructure of spy, and consider that the evolutions such as collapsing occurs in micro-structure under load action, moisture film is enriched with, cementing and thixotroping process are advised
Rule discloses the overall process mechanism by Microstructure Development to macromechanics changing rule, has important scientific meaning.
Therefore, the present invention proposes to be tested in conjunction with array of microscopes with half model suction anchor foundation, studies deep-sea anchor
Fixing structure-Soil Interface carefully sees evolution properties, thin sight state evolution process and interface using array of microscopes record soil particle
Moisture film enrichment phenomenon observes the dynamic evolution mistake of different foundation structures surrounding soil under complicated loads clear and intuitively
Journey is improved to deep-sea anchor structure-Soil Interface evolution properties understanding.
Summary of the invention
The present invention for upper problem provide a kind of deep-sea anchor structure Soil Interface carefully see evolution properties experimental rig and
Test method.
The present invention adopts the following technical scheme:
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig, and experimental rig includes organic glass
Model casing, basic half model rivet steel structure truss, automate loading equipemtn, displacement constraint device, array of microscopes, displacement sensing
Device, LED bar graph light source, data collection system, image analysis end；It rivets bottom in steel structure truss and is equipped with organic glass model case,
Organic glass model case is arranged in the bottom of riveting steel structure truss, and the top arrangement of riveting steel structure truss automates loading equipemtn,
Automation loading equipemtn is connected with basic half model；Basic half model is arranged in organic glass model case；Organic glass model
One end face of case is inspection surface, places array of microscopes relative to pipe side；Inspection surface is equipped with LED bar graph light source；Machine glass
It is equipped with displacement constraint device in model casing, the displacement orientation of basic half model is constrained by displacement constraint device.It is set on basic half model
There is displacement sensor；Displacement sensor and data collection system carry out signal transmission；Data collection system sends data to figure
As in analysis end；Image analysis end obtains image information by array of microscopes and is analyzed.
It is column that the Soil Interface of deep-sea anchor structure of the present invention, which carefully sees evolution properties experimental rig basis half model,
Structure, column structure analyse into half structure at along axial direction, analyse face paste and set on the inspection surface of machine glass molds molding box, pass through position
The face of analysing for moving the basic half model of constrainer constraint is always positioned at inspection surface and is displaced.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig, automates loading equipemtn packet
Include servo motor, shaft coupling, servo deceleration device and pull pressure sensor；The servo motor is fixed on riveting steel structure truss
On the girder steel of top, the rotation axis of servo motor is connected by shaft coupling with servo deceleration device；Servo deceleration device is passed by pressure
Sensor is connected with basic half model；Pull pressure sensor and data collection system carry out signal transmission.
Servo motor refers to the engine that mechanical organ operating is controlled in servo-system, is that a kind of subsidy motor becomes indirectly
Speed variator.Servo motor can make control speed, position precision is very accurate, voltage signal can be converted to torque and revolving speed with
Drive control object.Servo motor rotor revolving speed is controlled by input signal, and energy fast reaction is used in automatic control system
Make executive component, and there are the characteristics such as electromechanical time constant small, the linearity is high, pickup voltage, the electric signal received can be turned
Change the angular displacement or angular speed output on motor reel into.
Speed reducer is generally used for the drive apparatus of low rotation speed large torque, the input that the power of servo motor is passed through speed reducer
Gear wheel on the few gear engagement output shaft of the number of teeth on axis achievees the purpose that deceleration, and common speed reducer also has several right
Same principle gear reaches ideal slowing effect, and the ratio between the number of teeth of big pinion gear, is exactly transmission ratio.Speed reducer is a kind of power
Mechanism is conveyed the winding number of motor to be decelerated to desired winding number, and obtain larger torque using the velocity transducer of gear
Mechanism.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig, displacement constraint device forming V-shape
Structure or I-structure；
The displacement constraint device of v-shaped structure is made of two steel poles；One end of two steel poles is mutually fixed with riveting steel structure truss, another
Smooth circle wheel is inlayed on the top of one end, and top and the basic half model for inlaying smooth circle wheel are inconsistent；Two steel of forming V-shape arrangement
Bar and inlay it is smooth circle wheel end mutually gather；
The single steel pole composition of the displacement constraint device of I-structure；One end of its steel pole is mutually fixed with riveting steel structure truss, the other end
Top inlay it is smooth circle wheel；Top and the basic half model for inlaying smooth circle wheel are inconsistent.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig, and array of microscopes includes group
At case, hand-held microscope, fixed binder and expansion device；
It forms and is equipped with several fixation binders in case, several fixation binders are arranged in rectangular-shaped；On each fixed binder respectively
Arrange that hand-held microscope, each hand-held microscope are connected with expander respectively；Expander data output end and image analysis
End data receiving end is connected；
Image analysis end be include the computer terminal comprising iCoolCam software and Coolingtech software.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig, and LED bar graph light source is located at
The top and bottom of machine glass molds molding box observation end face.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig, and LED bar graph light source is white
Color light source, colour temperature 6600K.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees the test method of evolution properties experimental rig, test step
It is rapid as follows:
Step 1: assembling testing equipment, will have preparation in organic glass model case to test required soil sample, in passing through for basic half model
Enter track subscript and determines observation point；
Step 2: selecting v-shaped structure displacement constraint device, limit constraint is carried out to basic half model；By automating loading equipemtn
The load vertical direction loading of basic half model is carried；Make basic half model is heavy to pass through in track injection soil sample；Pass through array of microscopes
Acquire injection data；
It removes, is changed to Step 3: v-shaped structure displacement constraint device on the basic half model after heavy pass through will be completed in step 2
The displacement constraint device of I-structure, and array of microscopes is passed through to basic half model and progress cyclic load and acquires cyclic load number
According to；Cyclic load makes structure or structural elements repeat the process for loading and unloading in positive and negative both direction, exists to model configuration
Loading characteristic and deformation characteristics in of reciprocating vibration, this process, the load that structure is received are exactly cyclic load.
Step 4: extracted basic half model by automation loading equipemtn after the completion of cyclic load in step 3, with
The pull-out behaviors of Research foundation structure, off-test.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees the test method of evolution properties experimental rig, step 2
In when loading vertical direction load, pull pressure sensor records the load force of basic half model and sends data to data and adopts
In collecting system；
Displacement sensor records the displacement data of basic half model and sends data in data collection system.
The Soil Interface of deep-sea anchor structure of the present invention carefully sees the test method of evolution properties experimental rig, microscope
Array certain frequency shoots soil particle arrangement situation of change and interface moisture film situation of change in specified observation point range；
And image data is transmitted in image analysis end.
Beneficial effect
The Soil Interface of deep-sea anchor structure provided by the invention is carefully seen evolution properties experimental rig and is tried using half model basis
It tests, due to the not visible property of the soil body, full model test is difficult to be directly observed the thin sight variation of the soil body of Structure Soil interface,
But intuitive observation can be carried out by half model test.Displacement constraint device is ingenious in design, makes design according to test different phase, really
Guarantor efficiently controls half model in the case where not influencing test result and moves in set footprint.
The Soil Interface of deep-sea anchor structure provided by the invention carefully sees evolution properties experimental rig, the array of microscopes of use
It can require to arrange hand-held microscope according to different tests basis, such as bucket base, single-pile foundation, and different observations
Arrangement.
The Soil Interface of deep-sea anchor structure provided by the invention carefully sees evolution properties test method, and observation method realizes certainly
Dynamicization, the softwares real-time synchronization such as iCoolCam used by portable microscope array and image processing module acquire each observation
Point image, the thin sight state of soil-structure interface soil particle is drilled when clear and intuitive can observe half model injection, military service and extract
Change process and interface moisture film enrichment phenomenon are clear and intuitive.
Detailed description of the invention
Attached drawing 1 is test device systematic front view
Attached drawing 2 is test device systematic top view
Attached drawing 3 is test device systematic side view
Attached drawing 4 is array of microscopes side view；
Attached drawing 5 is array of microscopes front view；
Attached drawing 6 is V-type constrainer schematic diagram；
Attached drawing 7 is I type constrainer schematic diagram；
Attached drawing 8 is the lateral cyclic load status diagram of experimental rig；
Attached drawing 9 is experimental rig horizontal direction cyclic load status diagram.
In figure: 1 is organic glass model case；2 be basic half model；3 be riveting steel structure truss；4 be LED bar graph light source；5
For servo motor；6 be servo deceleration device；7 be shaft coupling；8 be pull pressure sensor；9 be displacement sensor；10 be microscope battle array
Column；11 be V-type constrainer；12 be I type constrainer；13 be combination box；14 be hand-held microscope；15 be fixed binder.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of being not necessarily to creative work.
As shown in Figure 1, Figure 2, Figure 3 shows: the Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties test dress
It sets, experimental rig includes organic glass model case, and basic half model rivets steel structure truss, automates loading equipemtn, displacement constraint
Device, array of microscopes, displacement sensor, LED bar graph light source, data collection system, image analysis end；
Riveting steel structure truss is firm organic glass model case and the platform for carrying automation loading equipemtn, by girder steel and steelframe
It forms, drilling is fixed organic glass model bottom face and side, takes in top face for riveting on girder steel and steelframe
If girder steel, automation loading equipemtn is vertically or horizontally installed on beam, automation loading equipemtn is connected with basic half model,
Top face girder steel can rotate by a certain angle according to loading direction needed for testing；
Organic glass model case is using pressure sintering by after organic glass thin plate heating, and hot-forming in a mold to form, size is pressed
It is customized according to needed for test,
Image processing module includes two software of iCoolCam and Coolingtech.By iCoolCam software by microscope battle array
The image real-time synchronization of observation is arranged in computer, realizes that multiple spot is observed in real time, can be shot and be recorded a video as required after setting, will schemed
Piece imports coolingtech software and carries out image processing and analysis, such as calibration interface moisture film characteristic thickness, partial enlargement observation soil
Particle micro-structure is collapsed, addition markup information etc..It is possible thereby to analyze the thin sight state evolution process and interfacial water of soil particle
Film enrichment phenomenon；
It is equipped with displacement constraint device in machine glass molds molding box, the displacement orientation of basic half model is constrained by displacement constraint device.Basis
Half model is equipped with displacement sensor；Displacement sensor and data collection system carry out signal transmission；Data collection system will count
According to being transmitted in image analysis end；Image analysis end obtains image information by array of microscopes and is analyzed.
LED bar graph light source is respectively placed at the top and bottom of organic glass model case inspection surface, is provided for array of microscopes
Stabilized light source, light source are white light source, correlated colour temperature 6600K, input voltage 24V, by light source controller provide stabilized power supply and
Brightness control.
As shown in Figure 6, Figure 7: displacement constraint device is divided into V-type I type two, is that basic half model is passed through, taken heavy in order to prevent
It is detached from labour, withdrawal process with organic glass model case.It is heavy pass through, withdrawal process is using V-type constrainer, two steel pole one end rivetings
In on lateral steelframe, the other end inlays smooth circle wheel, contacts with basic half model and the tip V is collectively formed, so that heavy pass through, extracted
Basic half model is only moved in vertical direction in journey.Military service process uses I type constrainer, and a steel pole threaded one end is connected to base
Plinth half model, the other end inlay smooth circle wheel, and organic glass model case rear-face contact, so that basic half model during being on active service
Only it is being parallel to the movement of inspection surface direction；
The Soil Interface of deep-sea anchor structure of the present invention carefully sees evolution properties experimental rig basis half model base by different rulers
Very little and different materials are made, coat the steel production of anticorrosive coating including stainless steel, organic glass and on surface and
At different draw ratios different types of underwater foundation half geometric shape model, half model is close to organic glass model case
Inspection surface, to pass through, be on active service, be observed in withdrawal process heavy.
Automating loading equipemtn includes servo motor, shaft coupling, servo deceleration device and pull pressure sensor；Servo motor is solid
It is scheduled on the top girder steel of riveting steel structure truss, servo motor is connected by shaft coupling with servo deceleration device, then via pressure
Sensor is connected on basic half model, and when work, servo motor provides power, torque is increased by servo deceleration device, together
When the rotation of servo motor is become to move back and forth, realize loading effect；It is preferred that using meacon pull pressure sensor, miran
Displacement sensor.
As shown in Fig. 4 Fig. 5: an end face of organic glass model case is inspection surface, places microscope battle array relative to pipe side
Column；Inspection surface is equipped with LED bar graph light source；Array of microscopes includes combination box, hand-held microscope, fixed binder and expansion
The hand-held microscope of device, number required for testing is installed in combination box, is fixed by fixed binder, and fixed binder is external
Bolt is fixed, and the information that hand-held microscope is collected is analyzed by expanding each hand-held microscope of device connection to computer, in base
Plinth half model is heavy to be passed through, is on active service, in withdrawal process, and array of microscopes remains focused on observation point, record in specified range image with
Back-up analysis.The hand-held long 112mm of microscope, outer diameter 33mm, optical amplifier is up to 200 times, and electronics amplification is 1000 times reachable, image-forming range
0~40mm of range.It can require to be manually adjusted according to different tests basis and different observations, be arranged as required in combination box
Column arrangement.Hand-held microscope uses Trill 300.
The test method that the Soil Interface of deep-sea anchor structure provided by the invention carefully sees evolution properties experimental rig is as follows:
1) before, testing, soil sample needed for preparation is tested in organic glass model case is demarcated on the injection track of basic half model
Observation point；
2) it, is assembled in automation loading equipemtn, is vertical loading direction, choosing with loading equipemtn is installed after steel member stent molding box
Cooperated with V-type constrainer, so that basic half model is passed through track injection according to setting is heavy, by applying vertical load for basic half model
The foundation structure dynamic driving process in actual condition is simulated in structure injection soil；
3), basic half model is heavy pass through after the completion of, constrainer is changed to I type, basic half model is avoided to be detached from inspection surface, adjusts steel
Beam and loading equipemtn direction are further applied load to basic half model with meeting cyclic load load setting to simulate in actual condition
The complicated loads that foundation structure is subject to during being on active service；
4), after completing Cyclic Loading Test step, readjustment loading equipemtn is vertical loading direction, extracts basic half module
Type, with the pull-out behaviors of Research foundation structure；
5), in above procedure, LED bar graph light source is respectively placed at the top and bottom of organic glass model case inspection surface, is micro-
Lens array provides stabilized light source, and pull pressure sensor and displacement sensor are connect with data collection system by data line, to power
And displacement information is acquired；Meanwhile array of microscopes is connect by expanding device with computer, according to certain frequency to specified observation
Soil particle arrangement situation of change and interface moisture film situation of change are shot in point range, automatically record flowering structure-Soil Interface
The Dynamic Evolution at place, and analyzed by image processing module.
Working principle of the present invention is as follows:
In organic glass model case 1) in preparation test needed for soil sample, add basic half model 2) injection track on labeling sight
Point, with riveting steel structure truss 3) fix organic glass model case 1) and loading equipemtn is installed as required；It sinks during passing through, basis half
Model 2) it is close to organic glass model case 1) long side side, it is placed in setting track, V-type constrainer 11) limit basic half model
2) displacement is only vertical direction, provides the vertical load injection soil body by loading equipemtn；During military service, as shown in Figure 7, Figure 8
Loading equipemtn direction is adjusted, by manually adjusting as lateral loading direction or horizontal addload direction, I type constrainer 12) limitation base
Plinth half model 2) direction of displacement is parallel to inspection surface, loading equipemtn provides cyclic load in basic half model 2)；It extracted
Cheng Zhong, adjustment loading equipemtn is vertical, basic half model 2) it extracts under a stretching force.In the above process, LED bar graph light source
4) it is respectively placed in organic glass model case 1) inspection surface top and bottom, be array of microscopes 10) stabilized light source, sensing are provided
Device is connect through data line with the data collecting card outside model casing, and acquisition test data is in case analysis；Array of microscopes 10) record sight
Image within the scope of measuring point is connected to computer in case analysis by expanding device.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. the Soil Interface of deep-sea anchor structure carefully sees evolution properties experimental rig, it is characterised in that: experimental rig includes organic glass
Glass model casing, basic half model rivet steel structure truss, automate loading equipemtn, displacement constraint device, array of microscopes, displacement biography
Sensor, LED bar graph light source, data collection system, image analysis end；
Bottom is equipped with organic glass model case in the riveting steel structure truss, and organic glass model case is arranged in riveting steel structure purlin
The bottom of frame, the top arrangement automation loading equipemtn of riveting steel structure truss, automation loading equipemtn are connected with basic half model；
Basic half model is arranged in organic glass model case；
One end face of the organic glass model case is inspection surface, places array of microscopes relative to pipe side；On inspection surface
Equipped with LED bar graph light source；
It is equipped with displacement constraint device in the machine glass molds molding box, the displacement side of basic half model is constrained by displacement constraint device
Position；
The basic half model is equipped with displacement sensor；Displacement sensor and data collection system carry out signal transmission；Number
It is sent data in image analysis end according to acquisition system；
The image analysis end obtains image information by array of microscopes and is analyzed.
2. the Soil Interface of deep-sea anchor structure according to claim 1 carefully sees evolution properties experimental rig, it is characterised in that:
The basic half model is column structure, and column structure analyses into half structure at along axial direction, analyses face paste and set in machine glass
On the inspection surface of model casing, inspection surface is always positioned at by the face of analysing that displacement constraint device constrains basic half model and is displaced.
3. the Soil Interface of deep-sea anchor structure according to claim 1 carefully sees evolution properties experimental rig, it is characterised in that:
The automation loading equipemtn includes servo motor, shaft coupling, servo deceleration device and pull pressure sensor；The servo electricity
Machine is fixed on the top girder steel of riveting steel structure truss, and the rotation axis of servo motor is connected by shaft coupling with servo deceleration device；
Servo deceleration device is connected by pull pressure sensor with basic half model；Pull pressure sensor and data collection system carry out signal
Transmission.
4. the Soil Interface of deep-sea anchor structure according to claim 1 carefully sees evolution properties experimental rig, it is characterised in that:
The displacement constraint device forming V-shape structure or I-structure；
The displacement constraint device of the v-shaped structure is made of two steel poles；One end of two steel poles and riveting steel structure truss are mutually solid
Fixed, smooth circle wheel is inlayed on the top of the other end, and top and the basic half model for inlaying smooth circle wheel are inconsistent；Forming V-shape arrangement
Two steel poles and inlay it is smooth circle wheel end mutually gather；
The single steel pole composition of the displacement constraint device of the I-structure；One end of its steel pole is mutually fixed with riveting steel structure truss,
Inlay smooth circle wheel in the top of the other end；Top and the basic half model for inlaying smooth circle wheel are inconsistent.
5. the Soil Interface of deep-sea anchor structure according to claim 1 carefully sees evolution properties experimental rig, it is characterised in that:
The array of microscopes includes composition case, hand-held microscope, fixed binder and expansion device；
It is equipped with several in the composition case and fixes binder, several fixation binders are arranged in rectangular-shaped；Each fixed binder
On be respectively arranged hand-held microscope, each hand-held microscope is connected with expander respectively；Expander data output end and figure
As analysis end data receiving end is connected；
The image analysis end be include the computer terminal comprising iCoolCam software and Coolingtech software.
6. the Soil Interface of deep-sea anchor structure according to claim 1 carefully sees evolution properties experimental rig, it is characterised in that:
The LED bar graph light source is located at the top and bottom of machine glass molds molding box observation end face.
7. the Soil Interface of deep-sea anchor structure according to claim 6 carefully sees evolution properties experimental rig, it is characterised in that:
The LED bar graph light source is white light source, colour temperature 6600K.
8. carefully seeing evolution properties test dress according to the Soil Interface of the described in any item deep-sea anchor structures of the claims 1 to 7
The test method set, it is characterised in that: test procedure is as follows:
Step 1: assembling testing equipment, will have preparation in organic glass model case to test required soil sample, in passing through for basic half model
Enter track subscript and determines observation point；
Step 2: selecting v-shaped structure displacement constraint device, limit constraint is carried out to basic half model；By automating loading equipemtn
The load vertical direction loading of basic half model is carried；Make basic half model is heavy to pass through in track injection soil sample；Pass through array of microscopes
Acquire injection data；
It removes, is changed to Step 3: v-shaped structure displacement constraint device on the basic half model after heavy pass through will be completed in step 2
The displacement constraint device of I-structure, and array of microscopes is passed through to basic half model and progress cyclic load and acquires cyclic load number
According to；
Step 4: basic half model is extracted by automation loading equipemtn, after the completion of cyclic load in step 3 with research
The pull-out behaviors of foundation structure, off-test.
9. the Soil Interface of deep-sea anchor structure according to claim 8 carefully sees the test method of evolution properties experimental rig,
It is characterized by: pull pressure sensor records the lotus of basic half model in the step two when loading vertical direction load
It carries power and sends data in data collection system；
Displacement sensor records the displacement data of basic half model and sends data in data collection system.
10. the test method of evolution properties experimental rig is carefully seen according to the Soil Interface of deep-sea anchor structure according to any one of claims 8,
Be characterized in that: the array of microscopes certain frequency is to soil particle arrangement situation of change and interface in specified observation point range
Moisture film situation of change is shot；And image data is transmitted in image analysis end.
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| CN113125292A (en) * | 2021-04-01 | 2021-07-16 | 东北大学 | Device and method for manufacturing anchoring body of pre-buried distributed optical fiber |
| CN113670749A (en) * | 2021-08-20 | 2021-11-19 | 湖南大学 | Indoor accelerated degradation test device for performance of anchor-soil interface and using method |
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Application publication date: 20191025 |