CN205991862U - Seepage continuous monitoring experimental provision under special formation environmental condition - Google Patents
Seepage continuous monitoring experimental provision under special formation environmental condition Download PDFInfo
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- CN205991862U CN205991862U CN201620733144.2U CN201620733144U CN205991862U CN 205991862 U CN205991862 U CN 205991862U CN 201620733144 U CN201620733144 U CN 201620733144U CN 205991862 U CN205991862 U CN 205991862U
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Abstract
The utility model discloses the seepage continuous monitoring experimental provision under a kind of special formation environmental condition, including cell body, in this cell body, water retaining separater is set and the first space and second space in cell body, will be divided into, it is equipped with pervious bed (42) in second space, this pervious bed is laid with pressure transducer in (42), this pervious bed is equipped with impermeable stratum on (42), it is laid with distributed fiberoptic sensor and temperature sensor in this impermeable stratum, it is equipped with pervious bed (41) in this first space, this pervious bed (41) is upper to inject water, water can be by this pervious bed (41), pervious bed (42) penetrates into this impermeable stratum.Experimental provision of the present utility model can provide data foundation for the monitoring of leakage of different dyke buildings, realizes the effective monitoring of different dyke buildings and timely early warning.
Description
Technical field
This utility model is related to the seepage continuous monitoring experimental provision under a kind of special formation environmental condition, belongs to water conservancy water
Electrical engineering technical field.
Background technology
Dyke is that defending flood spreads unchecked, the major measure of protection resident and industrial and agricultural production.Because most of dykes are along sky
So riverbank is built, the Seepage problems on generally existing dyke basis, and seepage failure is one of main damage form in river levee,
Osmotic control measure must be taken to be controlled by.The dyke of different regions, multinomial by geological conditions, ambient temperature, rainfall etc.
The impact of factor, seepage flow condition is different, and the mechanism of seepage failure, process and result also differ, and therefore, dyke building must be entered
Row monitoring of leakage, to reduce seepage failure by effective osmotic control measure, protects Seawall safety.
Existing monitoring of leakage method is typical section monitoring method, and the method is to bury some osmometers in typical section to enter
Row osmotic pressure measures, because osmometer has substantial amounts of monitoring blind area in spatial distribution, thus monitoring result imperfect, accurate
Really it is difficult to play effective monitoring, the effect of timely early warning.
In recent years, distributed optical fiber sensing technology quickly grows in dam safety monitoring field, and this technology has space and divides
Resolution is high, fiber deployment there's almost no monitoring blind spot along the line, fiber optic materials be difficult by electromagnetic interference, monitoring space length length,
Structure is simple, customization convenience, reliably and with long-term effectiveness, the low advantage of maintenance cost, is capable of time, continuous survey spatially
Amount, is particularly suitable for carrying out seepage continuous monitoring.
Utility model content
In view of the foregoing, the purpose of this utility model is to provide the seepage under a kind of special formation environmental condition continuous
Monitoring experimental provision, this experimental provision can be simulated dyke geology, environmental condition, be carried out seepage using distributed fiberoptic sensor
Continuous monitoring, the monitoring of leakage for dyke building provides foundation, realizes the effective monitoring of dyke building and timely early warning.
For achieving the above object, this utility model employs the following technical solutions：
A kind of seepage continuous monitoring experimental provision under special formation environmental condition, including cell body, setting gear in this cell body
Water dividing plate and the first space and second space will be divided in cell body,
It is equipped with pervious bed 42 in this second space, in this pervious bed 42, is laid with pressure transducer, on this pervious bed 42
It is equipped with impermeable stratum, in this impermeable stratum, be laid with distributed fiberoptic sensor and temperature sensor,
It is equipped with pervious bed 41 in this first space, this pervious bed 41 injects water, water can be by this pervious bed 41, pervious bed
42 this impermeable stratum of infiltration.
Described pervious bed 41, pervious bed 42, the infiltration coefficient of impermeable stratum and thickness are according to the soil sample inspection of dyke building scene
Survey result to determine.
Described water retaining separater is connected by filter screen with described cell body bottom.
The position that described water retaining separater is had a common boundary with impermeable stratum in described pervious bed 42, horizontally extends gear foot.
The groove body sidewall of described second space is provided with valve.
Described cell body is mutually bonded using bonding agent by some pieces of lucites and forms, described distributed fiberoptic sensor in
Epoxy resin is adopted to block at the wire hole of described cell body.
The utility model has the advantages that：
Seepage continuous monitoring experimental provision under special formation environmental condition of the present utility model, can simulate different dykes
The dyke geology of engineering, environmental condition, carry out seepage continuous monitoring using distributed fiberoptic sensor, obtain multinomial physical parameter
With the relation of percolating threshold, the monitoring of leakage for different dyke buildings provides data foundation, and then realizes different dyke buildings
Effective monitoring and timely early warning.
Brief description
Fig. 1 is apparatus structure schematic diagram of the present utility model.
Fig. 2 is apparatus structure top view of the present utility model.
Specific embodiment
Below in conjunction with drawings and Examples, this utility model is described in further detail.
As shown in Figure 1, 2, the seepage continuous monitoring experimental provision under special formation environmental condition disclosed in this utility model,
Including cell body 1, in cell body 1, water retaining separater 2 is set and the first space 100 and second space 200 in cell body 1, will be divided into,；
First space 100 bottom is equipped with pervious bed 41, and pervious bed 41 injects water 9, forms upper water, on adjusting
So that there is seepage failure in impermeable stratum 5 in swimming position；
Second space 200 bottom is equipped with pervious bed 42, is laid with MEMS pressure sensor 8, pervious bed in pervious bed 42
It is equipped with impermeable stratum 5 above in the of 42, in impermeable stratum 5, is laid with optical fiber grating temperature meter 10, lay in impermeable stratum 5 and be distributed
Formula Fibre Optical Sensor 6, one end of distributed fiberoptic sensor 6 connects light end box 11, and the other end accesses DTS optic fiber thermometer 12；
Wherein, pervious bed 41, pervious bed 42, impermeable stratum 5, respective infiltration coefficient is different with thickness, infiltration coefficient and
Thickness determines according to dyke building scene soil samples and detecting result.
Water retaining separater 2 is connected by filter screen 3 with cell body 1 bottom, and filter screen 3 is used for preventing the pervious bed in the first space 100
41 earth materials are mutually blended with pervious bed 42 earth material of second space 200.
Penetrate into impermeable stratum 5, water retaining separater 2 for preventing upper water from passing through the gap between water retaining separater 2 and impermeable stratum 5
The position that has a common boundary with impermeable stratum 5 in pervious bed 42, horizontally extend gear foot 21 in order to extend seepage paths it is ensured that experimentation
In vertically occur in impermeable stratum 5 to seepage failure.
For ensureing reliability and the watertightness of device, cell body 1 can utilize low temperature resistant adhesive mutual by seven pieces of lucites
Bonding forms, and distributed fiberoptic sensor 6 adopts low temperature resistant epoxy resin to block at the wire hole of cell body 1.
The process continuously monitoring experiment using seepage continuous monitoring experimental provision of the present utility model is as follows：
Dyke building Field Research, obtains soil properties parameter, and this soil properties parameter includes live soil samples and detecting and obtains
Parameters result etc., according to data from investigation and soil properties parameter, determine pervious bed and impermeable stratum infiltration coefficient and
The parameters such as thickness.According to the soil properties parameter obtaining, according to certain soil body particle diameter distribution, soil body density, set respectively thoroughly
The thickness of water layer and impermeable stratum and infiltration coefficient, according to industry standard (《Standard for test methods of earthworks》) carry out the cloth of soil sample
Put；Afterwards, laying pervious bed, impermeable stratum in experimental provision, setting simultaneously, each instrument of connection, experimental provision arrangement, connection
After the completion of, add water into cell body 1 until the soil sample of pervious bed 41,42 reaches saturation, so that the water surface is not overflow by control valve 7
Cross impermeable stratum 5 and the interface of pervious bed 42；Then, the water injecting different water level elevations in the first space 100 is oozed
Thoroughly test, by the sensing result of distributed fiberoptic sensor, judge whether seepage；Survey when distributed fiberoptic sensor
When warm end value is equal to less than the percolating threshold setting, judge to occur seepage, impermeable stratum 5 is internal to occur seepage failure, now,
The parameters such as record water level elevation, water temperature, the temperature value of impermeable stratum 5, the pore water pressure force value of pervious bed 42, experiment terminates, point
Analysis parameters and the relation of the percolating threshold setting, the monitoring of leakage for dyke building provides monitoring and early warning foundation.
The above is preferred embodiment of the present utility model and its know-why used, for the technology of this area
For personnel, in the case of without departing substantially from spirit and scope of the present utility model, any based on technical solutions of the utility model base
Equivalent transformation on plinth, simple replacement etc. are obvious to be changed, and belongs within this utility model protection domain.
Claims (6)
1. the seepage continuous monitoring experimental provision under special formation environmental condition, it is characterised in that including cell body, sets in this cell body
Put water retaining separater and the first space and second space in cell body, will be divided into,
It is equipped with pervious bed (42), this pervious bed is laid with pressure transducer in (42), this pervious bed (42) in this second space
On be equipped with impermeable stratum, be laid with distributed fiberoptic sensor and temperature sensor in this impermeable stratum,
It is equipped with pervious bed (41), this pervious bed (41) is upper to inject water, water can be by this pervious bed (41), permeable in this first space
Layer (42) penetrates into this impermeable stratum.
2. the seepage continuous monitoring experimental provision under special formation environmental condition according to claim 1 it is characterised in that
Described pervious bed (41), pervious bed (42), the infiltration coefficient of impermeable stratum and thickness are according to dyke building scene soil samples and detecting knot
Fruit determines.
3. the seepage continuous monitoring experimental provision under special formation environmental condition according to claim 2 it is characterised in that
Described water retaining separater is connected by filter screen with described cell body bottom.
4. the seepage continuous monitoring experimental provision under special formation environmental condition according to claim 3 it is characterised in that
The position that described water retaining separater is had a common boundary with impermeable stratum in described pervious bed (42), horizontally extends gear foot.
5. the seepage continuous monitoring experimental provision under special formation environmental condition according to claim 4 it is characterised in that
The groove body sidewall of described second space is provided with valve.
6. the seepage continuous monitoring experimental provision under special formation environmental condition according to claim 5 it is characterised in that
Described cell body is mutually bonded using bonding agent by some pieces of lucites and forms, and described distributed fiberoptic sensor is in described cell body
Wire hole at using epoxy resin closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620733144.2U CN205991862U (en) | 2016-07-12 | 2016-07-12 | Seepage continuous monitoring experimental provision under special formation environmental condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620733144.2U CN205991862U (en) | 2016-07-12 | 2016-07-12 | Seepage continuous monitoring experimental provision under special formation environmental condition |
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| Publication Number | Publication Date |
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| CN205991862U true CN205991862U (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620733144.2U Expired - Fee Related CN205991862U (en) | 2016-07-12 | 2016-07-12 | Seepage continuous monitoring experimental provision under special formation environmental condition |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018192344A1 (en) * | 2017-04-20 | 2018-10-25 | 苏州南智传感科技有限公司 | System and method for monitoring seepage rate and moisture content of rock-soil body based on ihat-fbg |
| CN109827885A (en) * | 2019-03-18 | 2019-05-31 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of dyke multilayer is the same as position seepage flow pressure measuring unit |
| CN111537156A (en) * | 2020-03-30 | 2020-08-14 | 中国水利水电科学研究院 | Leakage channel detection system and method based on motion trail analysis |
| CN113252244A (en) * | 2021-05-31 | 2021-08-13 | 江西省港航建设投资集团有限公司 | Building structure leakage test system based on distributed optical fiber and test method thereof |
-
2016
- 2016-07-12 CN CN201620733144.2U patent/CN205991862U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018192344A1 (en) * | 2017-04-20 | 2018-10-25 | 苏州南智传感科技有限公司 | System and method for monitoring seepage rate and moisture content of rock-soil body based on ihat-fbg |
| CN109827885A (en) * | 2019-03-18 | 2019-05-31 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of dyke multilayer is the same as position seepage flow pressure measuring unit |
| CN109827885B (en) * | 2019-03-18 | 2024-05-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Dyke multilayer parity seepage pressure measuring device |
| CN111537156A (en) * | 2020-03-30 | 2020-08-14 | 中国水利水电科学研究院 | Leakage channel detection system and method based on motion trail analysis |
| CN113252244A (en) * | 2021-05-31 | 2021-08-13 | 江西省港航建设投资集团有限公司 | Building structure leakage test system based on distributed optical fiber and test method thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20210712 |