CN206385578U - Pile-soil interface soil particle carefully sees movement measuring device - Google Patents
Pile-soil interface soil particle carefully sees movement measuring device Download PDFInfo
- Publication number
- CN206385578U CN206385578U CN201621489360.3U CN201621489360U CN206385578U CN 206385578 U CN206385578 U CN 206385578U CN 201621489360 U CN201621489360 U CN 201621489360U CN 206385578 U CN206385578 U CN 206385578U
- Authority
- CN
- China
- Prior art keywords
- pile
- model
- soil
- pile body
- stake
- 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.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of pile-soil interface soil particle and carefully sees movement measuring device, including model casing system and Model Pile, the model casing system includes model casing and Model Pile displacement dynamical system, Model Pile is hollow-core construction, stake bottom, the stake back of the body and stake top are bolted detachable, pile body offers circular opening and is provided with miniature infrared camera, to shoot a Soil Interface soil particle sport video.Using the utility model device, the displacement field of the soil body in a Soil Interface region is obtained with reference to PIVview2C softwares, stake Soil Interface soil particle moving displacement under different penetrating speed can be measured.Tested in addition, the pile-soil interface soil particle motion measurement under different type pile, different injection modes, different soil can also be carried out using the utility model device, it is applied widely, the utility model device simple structure, easy to operate, practicality is high, there is good application prospect.
Description
Technical field
The utility model is related to a kind of Geotechnical Engineering soil-structure contact surface characteristic, more particularly to a kind of Geotechnical Engineering
Soil-structure contact surface characteristic of material mechanics and soil body particle-motion property, applied to earthwork test Instrument equipment and technology neck
Domain.
Background technology
Pile foundation is one of widely used base form in urban construction.Pile sinking activity can cause the shearing of pile peripheral earth to become
Shape and stress destruction, so that soil body remodeling occurs by damage and failure for soil body original structure, this process necessarily causes stake
Zhou Tuti gongwu mechanical properties are drastically reduced.Accurate Prediction bearing capacity of pile foundation and assess piling construction to surrounding formation with
The adverse effect of neighbouring structures facility has more important scientific theory to be worth with engineering practice.This purpose is realized,
The characteristic at Pile Soil interface must really be understood, because it determines stress, strains and develop in pile peripheral earth.
In general, when pile body is subjected to displacement in soil, due to material of body of a pile characteristic and soil body material property difference compared with
Greatly, cause the stress state of both contact surfaces complex, and cause soil body particle near contact surface to be subjected to displacement.And contact surface
The displacement of soil body particle is allowed to produce the changing of the relative positions with other soil body particles, ultimately causes displacement field in surrounding soil and occurs with stress field
Change.It may be said that the characteristic of material mechanics on Pile Soil interface, load transmission, failure by shear development to pile peripheral earth have non-
Often important influence, the description of its interfacial characteristics and research contribute to from thin sight aspect accurately hold bearing capacity of pile foundation development mechanism and
The movable Influencing Mechanism to surrounding formation of pile sinking, so as to really realize the Reliable Design of bearing capacity of pile foundation and reduce piling construction pair
The adverse effect of surrounding enviroment.
It is at present analysis Pile Soil circle to pile peripheral earth deformation expansion research caused by pile driving process by indoor model test
One of main method of face characteristic and all formation damage mechanism of stake.Indoors in model test, it is general using routine DIC technologies from
Model outer surface is measured to the soil particle motion near stake.For the dwarf soil in pile driving process at stake Soil Interface, a side
Face only has the rank of several soil particles due to its thickness, and on the other hand because pile-soil interface is located inside soil body, this is all to normal
The application of rule DIC technologies brings difficulty.Therefore, it is badly in need of a kind of experimental rig simple to operation of exploitation to measure positioned at sand
The motion of internal pile-soil interface soil particle, to meet engineering demand.
Utility model content
In order to solve prior art problem, the purpose of this utility model be to overcome the shortcomings of prior art exist there is provided
A kind of pile-soil interface soil particle carefully sees movement measuring device, measures the soil particle motion of pile-soil interface under different pile sinking speed
Displacement field data, pile body shifting and the relation curve of land movement are drawn by the data measured, moreover it is possible to carry out different type pile,
Pile-soil interface soil particle motion measurement experiment under different injection modes, different soil, it is applied widely, it can be used for full
The need for a variety of Geotechnical Engineerings of foot.
To reach that above-mentioned utility model creates purpose, the utility model uses following technical proposals：
A kind of pile-soil interface soil particle carefully sees movement measuring device, including model casing system and Model Pile, model casing system
System includes model casing and Model Pile displacement dynamical system, and soil sample formation experimental field layer soil body ring is set in model cabinets cavity
Border, Model Pile is made up of stake top load end, pile body and stake bottom free end, Controlling model pile displatement Force system, Model Pile
The clutch end of displacement dynamical system applies thrusting action power to stake top load end, promotes axis of the Model Pile along itself
Direction is subjected to displacement, so that the free end of Model Pile is deep among the soil sample in model casing body, and Model Pile is integrally passed through
At the setting soil layer position for entering soil sample in model casing body, pile body is cavity structure, forms the equipment compartment of Model Pile, close to stake
In the cavity of pile body at the free end position of bottom, miniature infrared image acquisition device is fixedly installed on pile body, it is miniature red
Printing opacity aperture is set at the corresponding pile body position of pick-up lens of outer image collecting device, and printing opacity aperture uses transparent rigid material
It is made, forms transparent observing window in front of the camera lens of miniature infrared image acquisition device, and as image and video capture window,
Miniature infrared image acquisition device camera center and the alignment of printing opacity small hole center, miniature infrared image acquisition device pass through printing opacity
The pile-soil interface soil particle image or video of aperture collection, and the image or video data of collection are transported to outer computer
System, carries out pile-soil interface soil particle and carefully sees motion analysis processing.
As the preferred technical scheme of the utility model, Model Pile displacement dynamical system is by portable reaction frame and automatically controlled thousand
Jin top composition, the clutch end of Model Pile displacement dynamical system, electric control screw block are used as using the piston rod of electric control screw block
Fixed pedestal be fixedly mounted on portable reaction frame, portable reaction frame can by guiding mechanism along model casing make before and after
And up and down motion；Stake top load end uses cap structure, and the top of stake top load end is formed with the groove knot that fin is surrounded
Structure, the piston rod of electric control screw block can directly jacked pile bear responsibility power end groove structure in and withstand bottom portion of groove, to model
Stake applies pushing tow driving force.
As the further preferred technical scheme of such scheme, Model Pile is cuboid hollow-core construction, a length of 45- of pile body
70mm, a width of 45-70mm, a height of 500-800mm, printing opacity aperture are to be provided with a stepped circular groove aperture, ladder in pile body
The internal diameter of shape circular groove aperture is respectively 16-20mm and 15-19mm, and the length of step groove aperture is respectively 2-3mm and 1-
2mm, the groove with larger diameter size is embedded in glass towards setting outside Model Pile in the groove with larger diameter size
Glass piece, makes outer surface and the pile body flush with outer surface of sheet glass, and makes sheet glass with groove aperture using the close of seamless integration
Embedded connected mode is installed；In model casing system, the length of model casing is 1-1.5m, and width is 1-1.5m, height
For 1-1.5m, the length of portable reaction frame is 1-1.5m, and width is 30-50cm, is highly 1-1.5m；Stake top load end
The a diameter of 60-90mm of cap structure, cap structure thickness is 5-8mm, and the circular groove overall diameter of cap structure is 60-80mm,
Its interior diameter 50-70mm, the depth of the circular groove of cap structure is 30-40mm.
As the further preferred technical scheme of such scheme, pile body lid is connected in the external stability of pile body.
Above-mentioned pile body lid and pile body are preferably fastenedly connected by a series of bolt connection pieces.
Above-mentioned pile body lid length is preferably 500-800mm, and width is preferably 45-70mm, and thickness is preferably 3-5mm.
As the further preferred technical scheme of such scheme, miniature infrared image acquisition device will be gathered by signal wire
Image or video data be transported to external computer system, close to stake top load end pile body position at provided with wiring
Hole, signal wire is passed through from routing hole.
As the further preferred technical scheme of such scheme, miniature infrared image acquisition device can also pass through wireless signal
The image or video data of collection are transported to external computer system by device.
As the further preferred technical scheme of such scheme, miniature infrared image acquisition device is installed by fixing device
In on pile body, being lined with vibration-absorptive material between fixing device and miniature infrared image acquisition device, buffer layer is formed, in pile body
On, the installation site of miniature infrared image acquisition device is not more than 30mm apart from stake bottom free end；The inner surface of model casing
Be provided with earthquake isolation material layer, make soil sample directly with earthquake isolation material layer contacts.
, will by the mechanical connecting structure with embedded bolt hole as the further preferred technical scheme of such scheme
Stake top load end and pile body are fixed together, and being bolted part between pile body, stake bottom free end, pile body lid enters
Row is fastenedly connected, and forms the Model Pile of unitary form.
The utility model compared with prior art, with following substantive distinguishing features and advantage：
1. the utility model pile-soil interface soil particle carefully sees movement measuring device by infrared minisize pick-up head inside pile body
It is connected with the computer for being provided with video acquisition software, a Soil Interface soil can be recorded in process of the test in dark conditions
Grain sport video, and then by the displacement field of DIC software kits calculating stake Soil Interface soil particle thin layer, analyze different pile sinking depths
Stake Soil Interface soil particle motion conditions；
2. model casing system of the present utility model be provided with can provide many gear constant operation speed hydraulic electric control it is very heavy
Top, applies different penetrating speed by the jack pair Model Pile, can measure the stake Soil Interface soil particle under different pile sinking speed
Moving displacement；
3. the stake soil that the utility model device can also be carried out under different type pile, different injection modes, different soil connects
Contacting surface soil particle motion measurement is tested, and applied widely, the utility model test apparatus device simple structure is easy to operate, real
It is high with property, there is good application prospect.
Brief description of the drawings
Fig. 1 is the Model Pile profile of the utility model embodiment one.
Fig. 2 is the Model Pile front view of the utility model embodiment one.
Fig. 3 is the Model Pile rearview of the utility model embodiment one.
Fig. 4 is the Model Pile of the utility model embodiment one and the structural representation of pile body lid.
Fig. 5 is the structural representation of the stake top load end of the utility model embodiment one.
Fig. 6 is the structural representation of the stake bottom free end of the utility model embodiment one.
Fig. 7 is the structural representation of the printing opacity aperture of the utility model embodiment one.
Fig. 8 is the structural representation that the pile-soil interface soil particle of the utility model embodiment one carefully sees movement measuring device.
Embodiment
Details are as follows for preferred embodiment of the present utility model：
Embodiment one：
In the present embodiment, referring to Fig. 1~8, a kind of pile-soil interface soil particle carefully sees movement measuring device, including model
Case system and Model Pile 12, model casing system include model casing 16 and Model Pile displacement dynamical system, in model casing 16
Soil sample formation experimental field layer soil body environment is set in chamber, and Model Pile 12 is by stake top load end 2, pile body 11 and stake bottom free end
10 compositions, Controlling model pile displatement Force system, the clutch end of Model Pile displacement dynamical system is applied to stake top load end 2
Plus thrusting action power, promote Model Pile 12 to be subjected to displacement along the axis direction of itself, so that the free end of Model Pile 12 is deep
Enter among the soil sample in model casing 16, and make the setting soil layer position of the soil sample in the overall injection model casing 16 of Model Pile 12
Place is put, pile body 11 is aluminum cavity structure, forms the equipment compartment of Model Pile 12, in the stake at the position of stake bottom free end 10
In the cavity of body 11, miniature infrared image acquisition device 6 is fixedly installed on pile body 11, miniature infrared image acquisition device 6
Camera resolution ratio be 640 × 480 pixels, camera for shooting frequency 30 frame per second straight angle camera, it is miniature infrared
Printing opacity aperture 5 is set at the corresponding position of pile body 11 of pick-up lens of image collecting device 6, and printing opacity aperture 5 uses transparent rigid
Material is made, and forms transparent observing window in front of the camera lens of miniature infrared image acquisition device 6, and be used as image and video acquisition
Window, the miniature camera center of infrared image acquisition device 6 and the center alignment of printing opacity aperture 5, miniature infrared image acquisition device 6
The pile-soil interface soil particle image or video gathered through printing opacity aperture 5, and the image or video data of collection are transported to
External computer system, carries out pile-soil interface soil particle and carefully sees motion analysis processing.
In the present embodiment, referring to Fig. 1~3, Fig. 5 and Fig. 8, Model Pile displacement dynamical system is by the portable He of reaction frame 17
Electric control screw block 13 is constituted, using electric control screw block 13 piston rod as Model Pile displacement dynamical system clutch end,
The fixed pedestal of electric control screw block 13 is fixedly mounted on portable reaction frame 17, and portable reaction frame 17 can pass through guiding mechanism
Make front and rear along model casing 16 and move up and down；Stake top load end 2 uses circular groove type aluminum top structure, stake top load
The top of end 2 is formed with the groove structure that fin 3 is surrounded, and 4 embedded bolts hole 1 are offered on top cover top, to even
Connect top cover and pile body 11, the piston rod of electric control screw block 13 can directly jacked pile bear responsibility power end 2 groove structure in and withstand
Bottom portion of groove, pushing tow driving force is applied to Model Pile 12.The present embodiment Model Pile 12 can the stake soil contact under different penetrating speed
In face, motion is carefully seen to the soil particle at Pile Soil interface and measured, portable reaction frame 17 is made up of steel plate, portable counter-force
Frame 17 is installed with model casing 16 and fixed, and portable reaction frame 17 is reserved with the installation bolt hole of electric control screw block 13, whole portable
Reaction frame 17 can make horizontal and vertically movable along model casing 16, and electric control screw block 13 also offers installation bolt hole, to connect
Portable reaction frame 17 and electric control screw block 13.The piston rod free end of electric control screw block 13 is embedded in the top of Model Pile 12.Model
Stake 12 is disposed vertically in the bottom of electric control screw block 13.
In the present embodiment, referring to Fig. 1~3, Fig. 5~8, Model Pile 12 is cuboid hollow-core construction, and pile body 11 is a length of
50mm, a width of 50mm, a height of 560mm, pile lining thickness are 3mm, and stake bottom free end 10 is aluminum square structure bottom, and size is
50mm × 50mm, thickness is 3mm, and top offers 4 bolts hole, and diameter of bolt hole is 1.5mm, to the bottom with pile body 11
It is connected, printing opacity aperture 5 is is provided with a stepped circular groove aperture in pile body, and the internal diameter of stepped circular groove aperture is respectively
16mm and 15mm, the length of step groove aperture is respectively 2mm and 1mm, and the groove with larger diameter size is towards Model Pile
12 outsides are set, and circular quartz sheet glass, the diameter of circular quartz sheet glass are embedded in the groove with larger diameter size
For 16mm, and thickness is 2mm, makes outer surface and the flush with outer surface of pile body 11 of sheet glass, will using high-strength epoxy Resin A B glue
Quartz glass plate is sticked in groove aperture, sheet glass is carried out with groove aperture using the close embedded connected mode of seamless integration
Install；In model casing system, the length of model casing 16 is 1m, and width is 1m, is highly 1m, main to weld system using steel plate
Into wherein one side is transparent toughened glass, safety glass size is 1m × 1m, thick 10mm, and portable reaction frame 17 uses steel plate
Bolt connection is made, and the length of portable reaction frame 17 is 1m, and width is 30cm, is highly 1m；Stake top load end 2 is circle
Aluminum top structure, a diameter of 75mm of cap structure, cap structure thickness is 60mm, the circular groove overall diameter of cap structure
For 60mm, its interior diameter 50mm, the depth of the circular groove of cap structure is 40mm.
In the present embodiment, referring to Fig. 4, in the external stability connection pile body lid 15 of pile body 11, pile body side is between 80mm
Away from provided with bolt hole 6,12 altogether, a diameter of 1.5mm of bolt hole 9 is connected by screw bolts part 9 to connect pile body 11 and pile body
Lid 15, pile body bottom is again provided with bolt hole, is also connected by screw bolts part 9 to connect pile body 11 and stake bottom free end 10, stake
The length of body lid 15 is 560mm, and width is 50mm, and thickness is 5mm.Miniature infrared image acquisition device 6 will be gathered by signal wire
Image or video data be transported to external computer system, close to stake top load end 2 the position of pile body 11 at and pile body
Routing hole 4 is provided with the position of lid 15, data acquisition line is passed through from routing hole 4.Make the internal data gathering line of pile body 11 and installation
The computer for having video acquisition software is connected.
In the present embodiment, referring to Fig. 1~4, Fig. 7 and Fig. 8, miniature infrared image acquisition device 6 is pacified by fixing device 7
Loaded on vibration-absorptive material on pile body 11, is lined between fixing device 7 and miniature infrared image acquisition device 6, buffer layer 8 is formed,
On pile body 11, the installation site of miniature infrared image acquisition device 6 is apart from stake bottom free end 1030mm, and in pile body 11
Identity distance is faced from circular groove printing opacity aperture 5 is offered at the free end 1030mm of stake bottom, to place circular quartz sheet glass；
The inner surface of model casing 16 is provided with earthquake isolation material layer 14, and earthquake isolation material layer is the cystosepiment that thickness is 2cm, shock insulation
Cushioning material 14 is close to inside model casing 16, soil sample is directly contacted with earthquake isolation material layer 14.
In the present embodiment, referring to Fig. 1~6, by the mechanical connecting structure with embedded bolt hole 1 by stake top load
End 2 and pile body 11 are fixed together, a diameter of 2mm of embedded bolt hole 1, pile body 11, stake bottom free end 10, stake
Part 9 is bolted between body lid 15 to be fastenedly connected, and forms the Model Pile 12 of unitary form, the spiral shell of bolt connection piece 9
The a diameter of 1.5mm of keyhole.Bolt fastening structure is simple, easy to disassemble and maintenance.
Referring to Fig. 1~8, using the present embodiment pile-soil interface soil particle carefully see movement measuring device to Geotechnical Engineering soil with
When soil particle is carefully seen motion conditions and measured in form touch interface, comprise the following steps：
The first step：Soil sample is prepared to specified altitude assignment in the interior laminate layer of model casing 16, by electric control screw block 13 by static(al)
Cone penetrometer is slowly pressed into inside soil sample, gathers soil sample data, and processing data analyzes soil sample property, it is ensured that the repetition of model test
Property；
Second step：Portable reaction frame 17 is moved to specified location, the height of the portable reaction frame 17 of regulation, by model
Stake 12 is disposed vertically in the bottom of electric control screw block 13, the circuit of link model stake 12 and the outside for being provided with video acquisition device
Computer；
3rd step：Computer video acquisition software is opened, start recording sets the operating rate of electric control screw block 13, opened
Dynamic electric control screw block 13.
4th step：During by specified location inside the injection of Model Pile 12 to soil sample, electric control screw block 13 is closed, collection is preserved
Video, takes out Model Pile 12.
5th step：The video gathered is handled using PIVview2C, obtained along the soil sample in model casing 16
The soil particle displacement field of pile-soil interface at internal different depth.
Referring to Fig. 1~8, the sheet glass of the internal vertical of Model Pile 12 of the present embodiment in printing opacity aperture 5 is provided with infrared
Minisize pick-up head, resolution ratio of camera head is 640 × 480 pixels, and shooting frequency is 30 frame per second, is changed according to window size is shot
Calculate, within captured picture resolution is up to 0.02mm/ pixels, this camera is fixed on Model Pile 12 using vibration-absorptive material
Inside, makes infrared minisize pick-up head working stability, can gather high-quality image and video.
The present embodiment uses DIC image methods, and the continuous picture before and after being deformed using camera is carried out at image
Reason, obtains particle two-dimension displacement, mainly includes：Image is obtained, image is split, image is related, shift differences and displacement are exported.Figure
As correlated process is according to gradation of image progress the matching analysis by the image of segmentation.Standard dependent equation be divide the image into it is big
Small identical picture block is matched, when as block displacement increase, and as Block- matching difficulty, the increase of picture displacement error passes through and reduced
As the size of block can improve the precision of displacement, but this will increase amount of calculation.In order to save the calculating time, first by image
Larger picture block is divided into, higher displacement accuracy is obtained after then repeatedly being divided.When the present embodiment carries out related operation,
Segmentation figure picture is subjected to the expression that quantizes first, gradation of image distribution function is then transformed to by Fourier using Fourier transformation
Form, and then multiplicating computing, when coefficient correlation reaches maximum, shift value at this moment are carried out using standard correlation function
It is exactly the shift value that image splits block.
The present embodiment carry out image correlation computations when use PIVview2C softwares, conventional DIC image methods only need to by
It is that can obtain displacement that both front and rear images, which carry out cross-correlation calculations, but the present embodiment when calculating stake Soil Interface land movement with
DIC image methods are different.When pile body is in injection, camera also follows pile body to move together, when using cross correlation algorithm, institute
Two field pictures have differed a displacement for same panel region before and after choosing, and the displacement of difference is right for two field pictures time interval
The pile body shifting answered.Therefore front and rear two frames figure is obtained, it is necessary to handle two field pictures when calculating two field pictures
Same panel region as in, then cross-correlation calculation is carried out, so as to obtain the displacement field of the soil body in the panel region.
Referring to Fig. 1~8, Model Pile 12 is hollow-core construction, and stake bottom, the stake back of the body and stake top are bolted detachable, mould
Molding box system includes model casing 16, portable reaction frame 17, electric control screw block 13, earthquake isolation material layer 14.Model casing
16 are mainly made of steel plate, wherein one side is transparent toughened glass.Portable reaction frame 17 is also made up of steel plate, whole mobile
Formula reaction frame 17 can make horizontal and vertically movable along model casing 16.Electric control screw block 13 uses hydraulic electric control jack, maximum
Work tonnage 10t, stroke 120mm, and the electric control screw block 13 can provide many gear constant operation speed, maximum operating speed
1.5mm it is per second.The present embodiment device can carefully be seen for determining different pile sinking speed with pile-soil interface soil particle under depth profile
Motion conditions, using miniature infrared camera, can shoot stake Soil Interface soil particle sport video；Image correlation technique passes through
PIVview2C softwares are realized, when two field pictures carry out cross-correlation calculation before and after to deformation, it is necessary to two field pictures progress
Reason, obtains the same panel region in front and rear two field pictures, then carries out cross-correlation calculation, so as to obtain the position of the soil body in the panel region
Move field；The present embodiment device can measure stake Soil Interface soil particle moving displacement under different penetrating speed.In addition, the present embodiment is filled
The pile-soil interface soil particle motion measurement experiment under different type pile, different injection modes, different soil can also be done by putting, and be fitted
It is wide with scope.The present embodiment device simple structure, easy to operate, practicality is high, there is good application prospect.
Embodiment two：
The present embodiment and embodiment one are essentially identical, are particular in that：
In the present embodiment, miniature infrared image acquisition device 6 by wireless signaling mechanisms by the image or video of collection
Data are transported to external computer system, using transmission of wireless signals mode, and structure is simpler, reliable and stable work.
The utility model embodiment is illustrated above in conjunction with accompanying drawing, but the utility model is not limited to above-mentioned implementation
Example, the purpose that can also be created according to utility model of the present utility model makes a variety of changes, all according to the utility model technology
Change, modification, replacement, the combination or simplified made under the Spirit Essence and principle of scheme, should be equivalent substitute mode, as long as
Meet utility model purpose of the present utility model, motion measurement is carefully seen without departing from the utility model pile-soil interface soil particle
Technical principle and the utility model design of device, belong to protection domain of the present utility model.
Claims (10)
1. a kind of pile-soil interface soil particle carefully sees movement measuring device, including model casing system and Model Pile (12), its feature
It is：The model casing system includes model casing (16) and Model Pile displacement dynamical system, in model casing (16) inner chamber
Soil sample formation experimental field layer soil body environment is set, the Model Pile (12) by stake top load end (2), pile body (11) and stake bottom oneself
It is made up of end (10), controls the Model Pile displacement dynamical system, the clutch end of the Model Pile displacement dynamical system
Thrusting action power is applied to stake top load end (2), promotes Model Pile (12) to be subjected to displacement along the axis direction of itself, so that
The free end of Model Pile (12) is deep among the soil sample in model casing (16), and make the overall injection model of Model Pile (12)
At the setting soil layer position of soil sample in casing (16), the pile body (11) is cavity structure, forms the Model Pile (12)
Equipment compartment, in the cavity of the pile body (11) at stake bottom free end (10) position, by miniature infrared image acquisition device
(6) it is fixedly installed on pile body (11), at the corresponding pile body of pick-up lens (11) position of miniature infrared image acquisition device (6)
Printing opacity aperture (5) is set, and printing opacity aperture (5) is made of transparent rigid material, forms miniature infrared image acquisition device (6)
Transparent observing window in front of camera lens, and as image and video capture window, miniature infrared image acquisition device (6) shooting
Head center and printing opacity aperture (5) center alignment, the miniature infrared image acquisition device (6) is through printing opacity aperture (5) collection
Pile-soil interface soil particle image or video, and the image or video data of collection are transported to external computer system, carry out
Pile-soil interface soil particle carefully sees motion analysis processing.
2. pile-soil interface soil particle carefully sees movement measuring device according to claim 1, it is characterised in that：The Model Pile
Displacement dynamical system is made up of portable reaction frame (17) and electric control screw block (13), using the piston rod of electric control screw block (13)
As the clutch end of the Model Pile displacement dynamical system, the fixed pedestal of electric control screw block (13) is fixedly mounted on described
It is before and after portable reaction frame (17) can be made by guiding mechanism along the model casing (16) and upper on portable reaction frame (17)
Lower motion；The stake top load end (2) uses cap structure, and the top of the stake top load end (2) is formed with fin (3)
The groove structure surrounded, the piston rod of electric control screw block (13) can directly head into the groove structure of the stake top load end (2)
In and withstand bottom portion of groove, apply pushing tow driving force to Model Pile (12).
3. pile-soil interface soil particle carefully sees movement measuring device according to claim 2, it is characterised in that：Model Pile (12)
For cuboid hollow-core construction, pile body (11) a length of 45-70mm, a width of 45-70mm, a height of 500-800mm, printing opacity aperture (5) is
A stepped circular groove aperture is provided with pile body, the internal diameter of stepped circular groove aperture is respectively 16-20mm and 15-
19mm, the length of step groove aperture is respectively 2-3mm and 1-2mm, and the groove with larger diameter size is towards Model Pile
(12) it is outside to set, sheet glass is embedded in the groove with larger diameter size, makes outer surface and the pile body (11) of sheet glass
Flush with outer surface, and sheet glass is installed with groove aperture using the close embedded connected mode of seamless integration；In model
In case system, the length of model casing (16) is 1-1.5m, and width is 1-1.5m, is highly 1-1.5m, portable reaction frame
(17) length is 1-1.5m, and width is 30-50cm, is highly 1-1.5m；The cap structure of the stake top load end (2) is straight
Footpath is 60-90mm, and cap structure thickness is 5-8mm, and the circular groove overall diameter of cap structure is 60-80mm, its interior diameter 50-
70mm, the depth of the circular groove of cap structure is 30-40mm.
4. pile-soil interface soil particle carefully sees movement measuring device according to claim 1, it is characterised in that：In the pile body
(11) external stability connection pile body lid (15).
5. pile-soil interface soil particle carefully sees movement measuring device according to claim 4, it is characterised in that：Pile body lid (15)
It is fastenedly connected with pile body (11) by a series of bolt connection pieces (9).
6. pile-soil interface soil particle carefully sees movement measuring device according to claim 4 or 5, it is characterised in that：Pile body lid
(15) length is 500-800mm, and width is 45-70mm, and thickness is 3-5mm.
7. pile-soil interface soil particle carefully sees movement measuring device according to any one in Claims 1 to 5, its feature exists
In：The image or video data of collection are transported to outside calculating by the miniature infrared image acquisition device (6) by signal wire
Machine system, is being provided with routing hole (4), signal wire is from routing hole (4) at pile body (11) position of stake top load end (2)
Pass through.
8. pile-soil interface soil particle carefully sees movement measuring device according to any one in Claims 1 to 5, its feature exists
In：The image or video data of collection are transported to outer by the miniature infrared image acquisition device (6) by wireless signaling mechanisms
Portion's computer system.
9. pile-soil interface soil particle carefully sees movement measuring device according to any one in Claims 1 to 5, its feature exists
In：The miniature infrared image acquisition device (6) is installed on the pile body (11) by fixing device (7), in fixing device
(7) vibration-absorptive material is lined between the miniature infrared image acquisition device (6), buffer layer (8) is formed, in the pile body (11)
On, the installation site of the miniature infrared image acquisition device (6) is not more than 30mm apart from stake bottom free end (10)；The mould
The inner surface of molding box body (16) is provided with earthquake isolation material layer (14), soil sample is directly connect with earthquake isolation material layer (14)
Touch.
10. pile-soil interface soil particle carefully sees movement measuring device according to any one in Claims 1 to 5, its feature
It is：It is by the mechanical connecting structure with embedded bolt hole (1) that the stake top load end (2) and pile body (11) is fixed
Link together, being bolted part (9) between pile body (11), stake bottom free end (10), pile body lid (15) is fastened
Connection, forms the Model Pile (12) of unitary form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489360.3U CN206385578U (en) | 2016-12-30 | 2016-12-30 | Pile-soil interface soil particle carefully sees movement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489360.3U CN206385578U (en) | 2016-12-30 | 2016-12-30 | Pile-soil interface soil particle carefully sees movement measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206385578U true CN206385578U (en) | 2017-08-08 |
Family
ID=59491633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621489360.3U Active CN206385578U (en) | 2016-12-30 | 2016-12-30 | Pile-soil interface soil particle carefully sees movement measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206385578U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117953A (en) * | 2019-05-13 | 2019-08-13 | 燕山大学 | A kind of soil layer contact surface disturbance severe degree detection method and system |
| CN110258665A (en) * | 2019-06-24 | 2019-09-20 | 大成科创基础建设股份有限公司 | It is a kind of to prevent superfilled detection device for novel stake top |
| CN111307857A (en) * | 2019-11-21 | 2020-06-19 | 江苏亚特尔地源科技股份有限公司 | Visual energy pile model test system and non-contact measurement method thereof |
| CN111472396A (en) * | 2020-06-28 | 2020-07-31 | 西南交通大学 | Rotating hyperbolic pile-soil model test device and test method based on long-exposure observation |
-
2016
- 2016-12-30 CN CN201621489360.3U patent/CN206385578U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117953A (en) * | 2019-05-13 | 2019-08-13 | 燕山大学 | A kind of soil layer contact surface disturbance severe degree detection method and system |
| CN110258665A (en) * | 2019-06-24 | 2019-09-20 | 大成科创基础建设股份有限公司 | It is a kind of to prevent superfilled detection device for novel stake top |
| CN111307857A (en) * | 2019-11-21 | 2020-06-19 | 江苏亚特尔地源科技股份有限公司 | Visual energy pile model test system and non-contact measurement method thereof |
| CN111472396A (en) * | 2020-06-28 | 2020-07-31 | 西南交通大学 | Rotating hyperbolic pile-soil model test device and test method based on long-exposure observation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12037907B2 (en) | Hypergravity model test device and method for simulating progressive failure of shield tunnel face | |
| CN206385578U (en) | Pile-soil interface soil particle carefully sees movement measuring device | |
| CN103953074B (en) | Open tubular pile hammering injection simulation experiment device and experiment method | |
| US12031956B2 (en) | System and method of monitoring vibration of a blasting model test for a jointed rock mass | |
| Loganathan et al. | Centrifuge model testing of tunnelling-induced ground and pile deformations | |
| CN107179396A (en) | Multifunctional built-up formula Geotechnical Engineering physics similar test system | |
| CN207194039U (en) | Piled-box foundaton horizontal cyclic load testing machine | |
| CN101363833A (en) | Soil tamp device and measurement method | |
| CN108195684B (en) | Test system for researching mechanical behavior of foundation under action of cyclic moving load | |
| CN111679060B (en) | Angle-variable side slope model test device and method under coupling effect of earthquake and rainfall | |
| CN109339127A (en) | High-speed hydraulic rams compacting foundation bearing capacity and determines method and system in real time | |
| CN112051287B (en) | Visual test system and test method for simulating dynamic instability process of side slope | |
| CN103698228B (en) | A kind of large-scale real triaxial shearing test device and application thereof | |
| CN108181072A (en) | System is tested for the dynamic response of tunnel structure and country rock in rich water sandy soil stratum | |
| CN108007800A (en) | A kind of model test apparatus and test method for circulating the sedimentation of the dynamic load soil body | |
| CN110940571B (en) | Test device for simulating dynamic soil arch effect of shed frame structure | |
| Zhou et al. | Effect of relative density on settlements above tunnels in sands | |
| CN107907286A (en) | A kind of new unsymmetrial loading tunnel Research on Shaking Table for Simulating system | |
| CN107884015B (en) | Lateral pipe soil action testing system and method with soil surface leveling device | |
| Takemura et al. | Development of a fault simulator for soils under large vertical stress in a centrifuge | |
| CN207881917U (en) | System is tested for the dynamic response of tunnel structure and country rock in rich water sandy soil stratum | |
| CN106525596B (en) | Lateral bedding counter-force coefficient indoor test device under different stress paths | |
| CN109680735A (en) | The outer soil body model test apparatus that deformation rule is probed under excavation of foundation pit of stake and hole | |
| Li et al. | Evaluating the effective depth of rolling dynamic compaction with a three-sided compactor | |
| CN109958147A (en) | It is a kind of to simulate asymmetric excavation pit to the hypergravity model test apparatus and method of lower sleeping tunnel influence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |