CN203096683U - Model test device of embankment project seepage failure development process - Google Patents
Model test device of embankment project seepage failure development process Download PDFInfo
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- CN203096683U CN203096683U CN 201320076745 CN201320076745U CN203096683U CN 203096683 U CN203096683 U CN 203096683U CN 201320076745 CN201320076745 CN 201320076745 CN 201320076745 U CN201320076745 U CN 201320076745U CN 203096683 U CN203096683 U CN 203096683U
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Abstract
The utility model discloses a model test device of an embankment project seepage failure development process. The model test device of the embankment project seepage failure development process is characterized by comprising a model groove with a water inlet, an intelligent water head control system which is connected with the water inlet and is based on a single chip microcomputer, a plurality of water head measurement devices located on different positions of the outer lateral side of the model groove, a plurality of deformation measurement devices located on different positions of the upper portion in the model groove, a water-permeable plate arranged on the upper reaches of the model groove, an installment dummy plate arranged on the lower reaches of the model groove and a drain hole arranged outside the installment dummy plate, wherein an electronic flowmeter is connected on the lower portion of the drain hole. Seepage failure development processes under all kinds of hydraulic gradients can be imitated through a mode of changing the position of the model groove dummy plate. The model test device of the embankment project seepage failure development process is suitable for research of embankment project seepage failure, provides guidance for actual construction and design of embankment projects and the like, and can be used for teaching and scientific research experiments of geotechnical engineering and water conservancy project disciplines.
Description
Technical field
The utility model relates to the water conservancy experimental rig, especially relates to a kind of dyke building seepage failure model test apparatus.
Background technology
The seepage flow of levee foundation and levee body is maximum to the destruction harm of river course dykes and dams, and it is many that quantity takes place for it, has a very wide distribution, and the great dangerous situation that inrushes easily takes place.World's dyke and dam (earth and rockfill dam) destroy example, and the survey showed that, because destruction and accident that seepage stability causes, account for whole more than 40% of class accident, so the seepage flow of dyke building and seepage failure problem have been subjected to the common concern of science and engineering circle.
Seepage flow research experiment instrument in the past is generally narrow groove, size is less, general artificial observation data, precision is lower, and adopt the mode of hand-operated lifting head more, the upstream head can not be controlled automatically, is difficult to more accurately reflect non-homogeneous seepage flow of dyke building unsaturation and seepage failure phenomenon, can not satisfy the requirement of dyke building seepage failure research.
So, need a kind of new technical scheme to address the above problem.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of model test apparatus that can accurately also comprehensively characterize the evolution of simulation dyke building seepage failure.
For realizing above-mentioned utility model purpose, the model test apparatus of the utility model dyke building seepage failure evolution can adopt following technical scheme:
The model test apparatus of a kind of dyke building seepage failure evolution comprises that model groove, the SCM Based intelligent head control system that connects water inlet, the some head measurement mechanisms that are positioned at model groove lateral surface diverse location, the some deformation measuring devices that are positioned at the top diverse location of model groove, the porous disc that is arranged at model groove upstream end, the installation dividing plate that is arranged at model groove downstream part with water inlet, drain hole, the drain hole bottom that is arranged at the installation dividing plate outside are connected to electronic grout flow meter.
Compared with prior art, the model test apparatus of the utility model dyke building seepage failure evolution can apply constant head and the regular in time various forms of varying heads that change are poor to soil sample by SCM Based intelligent head control system, simulating the seepage failure of dyke levee body, levee foundation under the different head difference operating modes, also overcome that existing piping test model directional error is big simultaneously, dimensional effect obviously reaches low etc. the defective of precision.By being set, measurement mechanisms such as head measurement mechanism, deformation measuring device, electronic grout flow meter measure, gather parameters such as the head of soil sample under different head difference operating modes, soil sample deformation, flow respectively, obtain corresponding seepage field of soil sample and displacement field, and then characterize the evolution of simulation dyke building seepage failure comprehensively.
Description of drawings
Fig. 1 is the structural representation of the model test apparatus of the utility model dyke building seepage failure evolution.
Fig. 2 is the structural representation after the interior placement of the model groove soil sample in the utility model.
Fig. 3 is that deformation measuring device is measured the structural representation of soil sample areal deformation after placing soil sample in the model groove in the utility model.
Among the figure, 1, the model groove, 2, porous disc, 3, dividing plate, 4, drain hole, 5, water inlet, 6, pipeline, 7, SCM Based intelligent head control system, 8, deformation measuring device, 9, the head measurement mechanism, 10, data acquisition and transport module, 11, electronic grout flow meter, 12, terminal, 13, motor, 14, control cabinet, 15, the head lifting gear, 16, soil sample model, 17, pressing plate, 18, dial gage.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
See also shown in Figure 1, the utility model discloses the model test apparatus of a kind of dyke building seepage failure evolution, comprises the model groove 1 with water inlet 5, the SCM Based intelligent head control system 7 that connects water inlet, be positioned at some head measurement mechanisms 9 of model groove 1 lateral surface diverse location, be positioned at some deformation measuring devices 8 of the top diverse location of model groove 1, be arranged at the porous disc 2 of upstream end in the model groove 1, be arranged at the dividing plate 3 of downstream part in the model groove 1, be arranged at the drain hole 4 in dividing plate 3 outsides, drain hole 4 bottoms are connected to electronic grout flow meter 11.
Described SCM Based intelligent head control system 7 comprises the motor 13 of head lifting gear 15, control head lifting gear 15 and the control cabinet 14 of control motor 13, and described head lifting gear 15 connects water inlet 5 by pipeline 6.This SCM Based intelligent head control system 7 can make the upstream head variation of pests occurrence rule in time automatically that puts on soil sample, to simulate seepage flow and the seepage failure situation under the different head difference operating modes; Intelligence changes head, and the automaticity height has reduced the error that manual operation brings, the accuracy height.
Described head measurement mechanism 9 is a water pressure sensor, and described water pressure sensor is connected in terminal 12 by data acquisition and transport module 10.The water pressure sensor accuracy of reading is mm, in real time model groove 1 head height everywhere of each second in the monitoring record flow event.
Described electronic grout flow meter 11 is directly connected in terminal 12, can monitor in real time, each flow constantly of recording occurring continuously model testing.
Described deformation measuring device 8 comprises dial gage 18 and connects the pressing plate 17 of dial gage 18 belows, in the present embodiment, preferably on soil sample 16 surfaces 6 dial gages 18 is installed equidistantly, and pressing plate 17 presses on soil sample 16 surfaces.
Described dividing plate 3 can move near porous disc 2 or away from porous disc 2 in model groove 1, thereby can adjust its position in model groove 1 to change seepage paths length, can simulate the seepage failure evolution under the various hydraulic gradients of dyke, reproduce the dyke building seepage flow development under the various hydraulic gradients.
The operating principle of the model test apparatus of the utility model dyke building seepage failure evolution is as follows:
As Fig. 1, Fig. 2, shown in Figure 3, at first in model groove 1, fill the soil sample 16 of a certain or several character of certain dry density, certain altitude, slowly inject clear water by SCM Based intelligent head control system 7 in groove, fully immersion is saturated, each measurement mechanism exhaust is saturated to make soil sample 16.In model groove 1, apply the head difference that is a regular definite form that changes in time by intelligent head control system 7 again, the effect of the suffered head difference of simulation dyke building, under the effect of head difference, current are through porous disc 2, soil sample 16 forms seepage field in model groove 1, crosses dividing plate 3 and discharges by drain hole 4.The head data of diverse location soil sample 16 in the head measurement mechanism 9 automatic collection model grooves 1, the flow of the whole seepage flow evolution of electronic grout flow meter 11 real-time monitoring records obtains corresponding seepage field; The scale of periodic logging soil sample 16 surperficial dial gages 18 obtains each soil sample 16 distortion situation constantly, and then obtains the displacement field of corresponding seepage field, and seepage failures such as piping take place until soil sample 16, obtains seepage failure seepage field, displacement field constantly.But its median septum 3 move left and right to change the mode of seepage paths length, can be simulated the seepage failure evolution under the various hydraulic gradients of dyke.
In sum, the beneficial effect that the utlity model has is:
(1) can simulate with study different head difference operating modes under the seepage field and the deformation field of dyke building, accurately reproduce the seepage failure situation of dyke building, overcome that existing seepage failure test model directional error is big, dimensional effect obviously reaches low etc. the defective of precision.
(2) by adjusting test soil sample type, can simulate typical dyke building seepage failure phenomenons such as piping, quicksand.
(3), can apply constant head and the regular in time various forms of varying heads that change are poor to soil sample, to simulate the seepage failure of dyke levee body, levee foundation under the different head difference operating modes by SCM Based intelligent head control system.
(4) by changing the mode of model groove partition position (seepage paths length), can simulate the seepage failure evolution under the various hydraulic gradients of dyke.
The utility model is applicable to the research of dyke building seepage flow and seepage failure, for the construction of actual dyke building, design etc. provide guidance, also can be used as the teaching of geotechnical engineering and hydraulic engineering subject and the usefulness of scientific experiment.
Claims (6)
1. the model test apparatus of dyke building seepage failure evolution is characterized in that: comprise that model groove, the SCM Based intelligent head control system that connects water inlet, the some head measurement mechanisms that are positioned at model groove lateral surface diverse location, the some deformation measuring devices that are positioned at the top diverse location of model groove, the porous disc that is arranged at model groove upstream end, the installation dividing plate that is arranged at model groove downstream part with water inlet, drain hole, the drain hole bottom that is arranged at the installation dividing plate outside are connected to electronic grout flow meter.
2. the model test apparatus of dyke building seepage failure according to claim 1 evolution, it is characterized in that: described SCM Based intelligent head control system comprises the motor of head lifting gear, control head lifting gear and the control cabinet of control motor, and described head lifting gear connects water inlet by pipeline.
3. the model test apparatus of dyke building seepage failure according to claim 1 evolution is characterized in that: described head measurement mechanism is a water pressure sensor, and described water pressure sensor is connected in terminal by data acquisition and transport module.
4. the model test apparatus of dyke building seepage failure according to claim 1 evolution is characterized in that: described deformation measuring device comprises dial gage and connects the pressing plate of dial gage below.
5. the model test apparatus of dyke building seepage failure according to claim 3 evolution is characterized in that: described electronic grout flow meter is connected in terminal.
6. the model test apparatus of dyke building seepage failure according to claim 1 evolution is characterized in that: described dividing plate can move near porous disc or away from porous disc in the model groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076745 CN203096683U (en) | 2013-02-18 | 2013-02-18 | Model test device of embankment project seepage failure development process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076745 CN203096683U (en) | 2013-02-18 | 2013-02-18 | Model test device of embankment project seepage failure development process |
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| CN203096683U true CN203096683U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320076745 Expired - Fee Related CN203096683U (en) | 2013-02-18 | 2013-02-18 | Model test device of embankment project seepage failure development process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483229A (en) * | 2014-11-14 | 2015-04-01 | 山东大学 | Water bursting and mud surging amount monitoring system and test method in underground engineering model test |
| CN105274959A (en) * | 2015-10-10 | 2016-01-27 | 浙江理工大学 | Water balancing device for dam permeability simulation tester |
| CN105464041A (en) * | 2015-12-31 | 2016-04-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and model for simulating impervious curtain of reservoir dam |
| CN105973533A (en) * | 2016-07-12 | 2016-09-28 | 中国水利水电科学研究院 | Seepage continuous monitoring experiment apparatus and method under special stratum environment condition |
| CN106053762A (en) * | 2016-07-05 | 2016-10-26 | 长沙理工大学 | Lakeside embankment seepage and deformation characteristics testing apparatus and method |
| CN106368165A (en) * | 2016-10-26 | 2017-02-01 | 水利部交通运输部国家能源局南京水利科学研究院 | Testing device for simulating seepage failure of dam with upper part defects and construction method thereof |
| CN109087569A (en) * | 2018-09-04 | 2018-12-25 | 深圳大学 | A method of the simulation test device of research reinforcing side slope effect and determining slope reinforcement scheme |
| CN111060435A (en) * | 2019-12-10 | 2020-04-24 | 太原理工大学 | Device and method for well-point dewatering underground water seepage law test |
| CN112986536A (en) * | 2021-02-22 | 2021-06-18 | 中国水利水电科学研究院 | Device and method for simulating contact scouring damage of crossing-dike culvert pipe |
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2013
- 2013-02-18 CN CN 201320076745 patent/CN203096683U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483229A (en) * | 2014-11-14 | 2015-04-01 | 山东大学 | Water bursting and mud surging amount monitoring system and test method in underground engineering model test |
| CN105274959B (en) * | 2015-10-10 | 2017-05-31 | 浙江理工大学 | Dykes and dams permeability simulation tester par device |
| CN105274959A (en) * | 2015-10-10 | 2016-01-27 | 浙江理工大学 | Water balancing device for dam permeability simulation tester |
| CN105464041A (en) * | 2015-12-31 | 2016-04-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and model for simulating impervious curtain of reservoir dam |
| CN106053762A (en) * | 2016-07-05 | 2016-10-26 | 长沙理工大学 | Lakeside embankment seepage and deformation characteristics testing apparatus and method |
| CN106053762B (en) * | 2016-07-05 | 2018-03-30 | 长沙理工大学 | A kind of embankment seepage flow along the lake and deformation behaviour experimental rig |
| CN105973533A (en) * | 2016-07-12 | 2016-09-28 | 中国水利水电科学研究院 | Seepage continuous monitoring experiment apparatus and method under special stratum environment condition |
| CN105973533B (en) * | 2016-07-12 | 2018-04-20 | 中国水利水电科学研究院 | Leakage continuous monitoring experimental provision and method under special formation environmental condition |
| CN106368165A (en) * | 2016-10-26 | 2017-02-01 | 水利部交通运输部国家能源局南京水利科学研究院 | Testing device for simulating seepage failure of dam with upper part defects and construction method thereof |
| CN106368165B (en) * | 2016-10-26 | 2018-05-29 | 水利部交通运输部国家能源局南京水利科学研究院 | The dykes and dams seepage failure simulation test device of defect containing top and its construction method |
| CN109087569A (en) * | 2018-09-04 | 2018-12-25 | 深圳大学 | A method of the simulation test device of research reinforcing side slope effect and determining slope reinforcement scheme |
| CN109087569B (en) * | 2018-09-04 | 2019-06-04 | 深圳大学 | A method of slope reinforcement scheme is determined using simulation test device |
| CN111060435A (en) * | 2019-12-10 | 2020-04-24 | 太原理工大学 | Device and method for well-point dewatering underground water seepage law test |
| CN112986536A (en) * | 2021-02-22 | 2021-06-18 | 中国水利水电科学研究院 | Device and method for simulating contact scouring damage of crossing-dike culvert pipe |
| CN112986536B (en) * | 2021-02-22 | 2022-02-08 | 中国水利水电科学研究院 | Device and method for simulating contact scouring damage of crossing-dike culvert pipe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |