CN106840600A - The annular water tank device of sediment resuspension under simulation sea bed seepage effect - Google Patents
The annular water tank device of sediment resuspension under simulation sea bed seepage effect Download PDFInfo
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The annular water tank device and method of sediment resuspension under simulation sea bed seepage effect, the device mainly includes annular water flow groove, soil box, original-pack soil sample test trough, current generating system, osmotic system and mounting system.The annular water flow groove, soil box and original-pack soil sample test trough are constituted by the inwall of acrylic material, outer wall and base plate, are embedded in the middle of water flow grooves under soil box and original-pack soil sample test trough；Current generating system is made up of generator with flow roll wheel is made；Osmotic system is made up of the graduated cylinder of acrylic material, aqueduct and hydraulic balance sandbag；Mounting system is made up of stainless steel structure with universal rolling wheel.The device combination foreword problem in science (the settling flux mechanism and qualitative assessment of slity soil Seabed sediments) and design, can be not only used for sample in situ engineering properties test, also can be used for scientific research:The settling flux feature of deposit under the different degrees of sea bed inside seepage effect of qualitative assessment.
Description
Technical field
The present invention relates to a kind of annular water tank device of sediment resuspension under simulation sea bed seepage effect, belong to ocean work
Journey geology and the engineering properties test in sediment dynamics field and research field.
Background technology
Erosion settling flux process of the Seabed sediments under hydrodynamism is always marine engineering geology and Sediment dynamics
Learn the key issue in research field.Research shows：The critical erosion intensity of deposit can be influenceed by sea bed seepage effect,
Even when seepage flow intensity is sufficiently large, sea bed is caused to liquefy, influence of the sea bed seepage effect to sediment resuspension can not be ignored.
Serious submarine erosion can cause the exposure of umbilical, hanging even fracture, trigger the engineering accidents such as oil spilling, blowout, cause huge
Economic loss.Therefore, ocean engineering ground is constantly subjected to the problems such as the mechanism of submarine erosion, qualitative assessment and prophylactico-therapeutic measures
Matter scholar and the concern of sedimentologist.
Annular water tank is one of common tool during ocean is studied with hydro science.Invention related to annular water tank at present
3 classes are broadly divided into utility model patent：(1) for the demarcation of flow-speed measurement instrument, for example：Chinese People's Liberation Army's science and engineering is big
Learn " for the annular water tank of portable Flow Velocity Meter calibrating " (201620556240.4) of design；(2) for hydrodynamics
Simulation with research, for example：Tongji University is devised " device that natural river course flow characteristics is simulated using annular water tank "
(201310120205.9)；Beijing Environmental Protection Science Inst. devises " simulates natural river course current using annular water tank
The device of characteristic " (201520155123.2)；(3) for the scientific research in terms of fluid and deposit interaction, for example：On
Extra large university devises " a kind of annular water tank device for simulating pollutants in sediments resuspension release " (201410057326.8)；Shanghai
Estuary coast research establishment is devised " a kind of all automatic measurement and Control experiment annular water tank "
(201320475851.2)；Hohai University devises the " method of re-suspension of underwater under simulated wave disturbance in annular water tank
And device " (200710025671.3) and the outstanding husky and bed material absorption pollutant device of annular water tank simulation
(201320818449.X)；Tianjin Research Institute for Water Transport Engineering of Tianjin Water Transport Engineering Survey and Design Inst. devises
" for the annular water tank of silt Settling in moving water experiment " (201520171404.7).These are used for the annular water tank of scientific research all
For specific problem in science, there is the design of uniqueness.At present for the exploration of the problem in science, rarely have fine quantification to grind
Study carefully.The structure of this method is designed then it is intended that the progressive of the research work provides a kind of means with device.The present invention is similarly
Belong to a kind of a kind of ring for specially designing for specific problem in science -- sediment resuspension process under sea bed seepage effect --
Shape water tank device, due to the relative forward position of problem in science that apparatus of the present invention are directed to, not yet sees directly related patent at present.
The content of the invention
The critical erosion performance of deposit can either be tested present invention aim at design one kind, varying strength can be studied again
Seepage effect under sediment resuspension feature device --- simulation sea bed seepage effect under sediment resuspension annular water
Slot device, to simulate the sediment resuspension process under the seepage effect of sea bed inside indoors.
The annular water tank device of sediment resuspension under simulation sea bed seepage effect, it is characterised in that including steel structure support
With the annular water flow groove with current generating system, described current generating system is made up of motor with flow roll wheel is made, can be in annular water flow
The current of friction speed are manufactured in groove；Multiple soil boxs and an original-pack soil sample test trough, wherein soil box are embedded with annular water flow groove
Deposit for filling the geotechnical properties such as different-grain diameter, moisture content, to simulate natural sea bed, original-pack soil sample test trough is used to fill out
Undisturbed sediment sample is filled, carries out the geotechnical properties test job of undisturbed sediment；When current flow through two grooves top, can be by portion
Divide sedimentary particle to start, its settling flux is entered overlying water, and transported with current；Outstanding sand is further fixed in annular water flow groove
Concentration sensor and flow rate of water flow sensor, suspension concentration and change in flow in sustainable record water body；In the soil box also
Equipped with hydraulic balance sandbag；Seepage flow graduated cylinder is looped around center by annular water flow groove, and seepage flow graduated cylinder is used to fill the water of different height
Head, and be communicated to each soil box and original-pack soil sample by aqueduct and test trench bottom, soil box/original-pack is applied to by water pressure
Soil sample tests trench bottom, into hydraulic balance sandbag, and then soil box/original-pack soil sample test trench bottom is acted on, to apply seepage flow
Gradient, the aqueduct upper band valve.
Described flow roll wheel of making makes flow roll wheel for cylindrical type laminated board type, can be in the more efficiently groove of annular water flow again
Manufacture the current of friction speed.
Described annular water flow groove is made by transparent acrylic material, and the outstanding husky phenomenon that will can occur in experiment is carried out directly
The observation of sight, take pictures or record a video.
Two soil boxs of same design are at least embedded with the middle of described annular water flow groove, parallel laboratory test (example can carried out
Such as seepage failure experiment), improve conventional efficient.
The described suspension concentration sensor being fixed in the middle of tank and flow rate of water flow sensor, both are used in combination available
In the critical erosion flow velocity/shear stress of deposit, judgement and the reckoning of settling flux/erosion factor.
The described seepage flow graduated cylinder for being fixed on annular water tank center is provided with scale.Apply different size of according to scale value
Head；And water pressure is applied to soil box/original-pack soil sample test trench bottom under the traction of aqueduct；Described hydraulic balance is husky
Bag, it is ensured that water pressure enters the horizontal proliferation in sand bed after soil box, then relatively evenly acts on whole soil bed bottom
Face, the generation for preventing local penetration from destroying.
Described steel structure support bottom is provided with universal rolling wheel.
Current different in flow rate can be manufactured by generator and swing roller in annular water tank, flow action is in soil box
On native bed, cause the settling flux of surface deposit；Head in the middle of annular water tank applies graduated cylinder can be by different size of head
Difference is carried in native bed bottom, causes sea bed inside seepage flow；Coupling with the vertical seepage flow in sea bed inside is washed away by superficial water flow horizontal
Matched moulds is intended, and can explore influence of the different degrees of sea bed seepage flow to sediment resuspension.In order to ensure bottom seepage flow gradient
Uniformity, apparatus of the present invention have added sandbag in soil box bottom, and layer of sand therein is laid can make the water pressure for entering soil box very
Planar diffusion is reached well, so that the uniformity of seepage flow gradient.The present apparatus is very convenient, and whole device can be in support
Moved freely under auxiliary.The present apparatus can free control variables, in depth explore the problem in science.
Brief description of the drawings
Fig. 1 is stereogram of the invention.
Fig. 2 is the stereogram of annular water flow groove of the invention.
Fig. 3 is front view of the invention.
Fig. 4 is side view of the invention.
Fig. 5 is top view of the invention.
Wherein, 1, motor, 2, make flow roll wheel, 3, annular water flow groove, 4, soil box, 5, original-pack soil sample test trough, 6, outstanding husky dense
Degree sensor, 7, flow rate of water flow sensor, 8, seepage flow graduated cylinder, 9, aqueduct, 10, hydraulic balance sandbag, 11, steel structure support,
12nd, universal rolling wheel.
Specific embodiment
Such as Fig. 1-5, the annular water tank device of sediment resuspension under simulation sea bed seepage effect, it is characterised in that including steel
Structure stand 11 and the annular water flow groove 3 with current generating system, described current generating system are made up of motor 1 with flow roll wheel 2 is made, energy
Enough current that friction speed is manufactured in annular water flow groove 3；Multiple soil boxs 4 and an original-pack soil sample are embedded with annular water flow groove 3
In test trough, wherein soil box 4, the deposit of the geotechnical properties such as different-grain diameter, moisture content can be filled, to simulate natural sea bed,
In original-pack soil sample test trough 5, undisturbed sediment sample can be filled, carry out the geotechnical properties test job of undisturbed sediment；When
When current flow through two grooves top, Parts of deposits particle can be started, its settling flux is entered overlying water, and it is defeated with current
Fortune；Suspension concentration sensor 6 and flow rate of water flow sensor 7 are further fixed in annular water flow groove 3, it is outstanding in sustainable record water body
Husky concentration and change in flow；Hydraulic balance sandbag 10 is also equipped with the soil box 4；Be looped around for seepage flow graduated cylinder 8 by annular water flow groove 3
Center, seepage flow graduated cylinder 8 is used to fill the head of different height, and is communicated to each soil box 4 and original-pack soil sample by aqueduct 9
The bottom of test trough 5, the original-pack bottom of soil sample test trough 5 of soil box 4/ is applied to by water pressure, into hydraulic balance sandbag 10, and then
The original-pack bottom of soil sample test trough 5 of soil box 4/ is acted on, to apply seepage flow gradient, the upper band valve of the aqueduct 9.
Described flow roll wheel 2 of making makes flow roll wheel 2 for cylindrical type laminated board type, can be in more efficiently annular water flow groove again
The current of friction speed are manufactured in 3.
As Fig. 1, described annular water flow groove 3 are made by transparent acrylic material, the outstanding sand that will can occur in experiment is existing
As intuitively being observed, being taken pictures or recorded a video.
Such as Fig. 1,2,5, two soil boxs of same design 4 are at least embedded with the middle of described annular water flow groove 3, can carried out
Parallel laboratory test (such as seepage failure experiment), improves conventional efficient.
Such as Fig. 4, described the suspension concentration sensor 6 being fixed in the middle of tank and flow rate of water flow sensor 7, both combine
Using can be used for the critical erosion flow velocity/shear stress of deposit, the judgement of settling flux/erosion factor with calculate.
The described seepage flow graduated cylinder 8 for being fixed on annular water tank center is provided with scale.Different size is applied according to scale value
Head；And water pressure is applied to soil box/original-pack soil sample test trench bottom under the traction of aqueduct 9；Described hydraulic pressure is put down
Weighing apparatus sandbag 10, it is ensured that water pressure enters the horizontal proliferation in sand bed after soil box, then relatively evenly acts on whole
Native bed bottom surface, the generation for preventing local penetration from destroying.
Such as Fig. 3,4, the described bottom of steel structure support 11 is provided with universal rolling wheel 12.
When using：
The first step：Hydraulic balance (10) sandbag is filled up into quartz sand, soil box (4) and/or original-pack soil sample test trough is positioned over
(5) bottom；
Second step：Deposit is filled into soil box (4), and by suspension concentration sensor (6) and flow rate of water flow sensor
(7) it is fixed among annular water flow groove (3), sets acquisition parameter, the external computer of instrument, real time inspection and during storing experiment
The data for collecting.
3rd step：To being added water in annular water tank, until the instrument probe in not having water-carrying groove；
4th step：To being added water in seepage flow graduated cylinder (8), and adjust head height；
4th step：The valve on aqueduct (9) is opened, seepage flow gradient is applied to soil box (4) bottom；
5th step：Open motor (1) and manufacture current different in flow rate tank (3) is inner, record every group of seepage flow gradient and water
Flow the loading period of flow velocity；
6th step：Experiment is finished, and dismantles instrument, reads total data, and interception experiment segment data is analyzed.
Note：The specific embodiment of original-pack soil sample test trough (5) is essentially identical with soil box (4), during difference is (5)
The columnar samples that seabed original position is fetched can be directly placed into, indoor artificial manufacture sea bed is not required to, remaining step is identical.
Claims (6)
1. simulation sea bed seepage effect under sediment resuspension annular water tank device, it is characterised in that including steel structure support
(11) the annular water flow groove (3) and with current generating system, described current generating system is made up of motor (1) with flow roll wheel (2) is made, energy
The current of enough manufacture friction speeds in annular water flow groove (3)；Multiple soil boxs (4) and an original are embedded with annular water flow groove (3)
Dress soil sample test trough, wherein soil box (4) are natural to simulate for filling the deposit of the geotechnical properties such as different-grain diameter, moisture content
Sea bed, original-pack soil sample test trough (5) carries out the geotechnical properties test work of undisturbed sediment for filling undisturbed sediment sample
Make；Suspension concentration sensor (6) and flow rate of water flow sensor (7) are further fixed in annular water flow groove (3)；In the soil box (4)
It is also equipped with hydraulic balance sandbag (10)；Seepage flow graduated cylinder (8) is looped around center by annular water flow groove (3), and seepage flow graduated cylinder (8) is for filling out
The head of different height is filled, and each soil box (4) and original-pack soil sample test trough (5) bottom are communicated to by aqueduct (9), with
Water pressure is applied to soil box (4)/original-pack soil sample test trough (5) bottom, into hydraulic balance sandbag (10), and then soil is acted on
Groove (4)/original-pack soil sample test trough (5) bottom, to apply seepage flow gradient, aqueduct (9) the upper band valve.
2. device as claimed in claim 1, it is characterised in that described flow roll wheel (2) of making makes flow roll for cylindrical type laminated board type
Wheel (2).
3. device as claimed in claim 1, it is characterised in that described annular water flow groove (3) is by transparent acrylic material system
Make.
4. device as claimed in claim 1, it is characterised in that be at least embedded with the middle of described annular water flow groove (3) two it is identical
The soil box (4) of design.
5. device as claimed in claim 1, it is characterised in that described is fixed on the seepage flow graduated cylinder (8) in annular water tank center
It is provided with scale.
6. device as claimed in claim 1, it is characterised in that described steel structure support (11) bottom is provided with universal rolling wheel (12).
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702883A (en) * | 2017-08-18 | 2018-02-16 | 水利部交通运输部国家能源局南京水利科学研究院 | The complex flowfield realization device and method of a kind of aquatile ecology hydraulic experiment |
| CN108332901A (en) * | 2017-12-15 | 2018-07-27 | 国家海洋局第海洋研究所 | Deposit pore pressure response analogy method under wave action |
| CN109211520A (en) * | 2018-10-17 | 2019-01-15 | 国家海洋局第海洋研究所 | Seabed pockmark forming process simulator and analogy method |
| CN109253968A (en) * | 2018-11-10 | 2019-01-22 | 中国海洋大学 | A kind of in-situ deposition object columnar samples layering corrosion resistance measuring device and its method |
| CN109443691A (en) * | 2018-11-10 | 2019-03-08 | 中国海洋大学 | A kind of wave causes the experimental provision of sediment erosion inside seepage flow induction sea bed |
| CN109490084A (en) * | 2018-11-29 | 2019-03-19 | 中国海洋大学 | A kind of simulated waves act on the in-situ testing device and method of internal contamination burst size in lower marine sediment |
| CN110375920A (en) * | 2019-06-21 | 2019-10-25 | 中国海洋大学 | Bottom sediment transports in-situ testing device and its application method |
| CN110595733A (en) * | 2019-10-16 | 2019-12-20 | 福建师范大学 | Annular water tank capable of simulating straight section and bent section of natural river channel simultaneously |
| CN113504028A (en) * | 2021-07-14 | 2021-10-15 | 中国矿业大学 | Multifunctional annular water tank device and method for simulating isolated wave-wave interaction |
| WO2022228047A1 (en) * | 2021-04-29 | 2022-11-03 | 中交天津港湾工程研究院有限公司 | Test method for simulating sediment pollutant release under effect of river channel erosion |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702883A (en) * | 2017-08-18 | 2018-02-16 | 水利部交通运输部国家能源局南京水利科学研究院 | The complex flowfield realization device and method of a kind of aquatile ecology hydraulic experiment |
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| CN110375920A (en) * | 2019-06-21 | 2019-10-25 | 中国海洋大学 | Bottom sediment transports in-situ testing device and its application method |
| CN110595733A (en) * | 2019-10-16 | 2019-12-20 | 福建师范大学 | Annular water tank capable of simulating straight section and bent section of natural river channel simultaneously |
| WO2022228047A1 (en) * | 2021-04-29 | 2022-11-03 | 中交天津港湾工程研究院有限公司 | Test method for simulating sediment pollutant release under effect of river channel erosion |
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| CN113504028A (en) * | 2021-07-14 | 2021-10-15 | 中国矿业大学 | Multifunctional annular water tank device and method for simulating isolated wave-wave interaction |
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