CN104237973B - A kind of weather monitoring system and monitoring method for rock side slope landslide early warning - Google Patents
A kind of weather monitoring system and monitoring method for rock side slope landslide early warning Download PDFInfo
- Publication number
- CN104237973B CN104237973B CN201410562449.7A CN201410562449A CN104237973B CN 104237973 B CN104237973 B CN 104237973B CN 201410562449 A CN201410562449 A CN 201410562449A CN 104237973 B CN104237973 B CN 104237973B
- Authority
- CN
- China
- Prior art keywords
- sliding surface
- water
- gauge
- monitoring
- trailing edge
- 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.)
- Expired - Fee Related
Links
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of weather monitoring system and monitoring method for rock side slope landslide early warning, belong to environmental monitoring technology field.It includes being embedded in the water pressure gauge at sliding surface, and the water-level gauge installed in the top of trailing edge drawing crack seam；The wireless remote system being connected by data cable with the water pressure gauge and water-level gauge is further included, and receives the arithmetic system of water pressure monitoring data and water level monitoring data from wireless remote system.Field monitoring data by wireless signal transmission to arithmetic system on, early warning value and live value can be provided at the same time by the monitoring of software in arithmetic system, avoid the subjectivity of artificial settings early warning value, and can realize remote auto monitoring and Landslide Prediction early warning.Monitoring system of the present invention, without installing clinograph, strain gauge, reduces difficulty of construction and monitoring cost to monitor based on water level.
Description
Technical field
The present invention relates to a kind of weather monitoring system and monitoring method for rock side slope landslide early warning, belongs to environment prison
Survey technology field.
Background technology
A slow type of the rock slope with along layer near cut as rock side slope of inclining, the distribution in nature are very extensive.Certainly
Under weight stress condition, such a side slope can usually keep stable state, even if slope foot since formation dip is less than aspect internal friction angle
It will not cause obvious sliding rupture by excavating.But under condition of raining, due on sliding surface and in sliding surface trailing edge drawing crack seam
Hydrostatic pressure quickly raises, and tends to the generation for causing landslide, therefore this kind of landslide is influenced significantly by hydraulic action, and has
Sudden and concealment, usually because do not attract much attention and caused by large-scale geological disaster.
Currently used Landslide Forecast System is mainly by installing clinograph, strain gauge, from displacement, stress
Etc. to determine whether will come down, but the application cost of clinograph, strain gauge is higher, and with displacement,
Its early warning value is difficult to determine when stress is used as early-warning parameters, often there is very big blindness, reduces early warning result
Reliability.
The content of the invention
To solve the above problems, the present invention provides, one kind is simple in structure, and easy to use, monitoring is accurately used for rock side slope
The weather monitoring system and monitoring method of landslide early warning.
The present invention is that technical solution is used by solving the problems, such as it：
A kind of weather monitoring system for rock side slope landslide early warning, including the water pressure gauge at sliding surface is embedded in, with
And the water-level gauge installed in the top of trailing edge drawing crack seam；Further include what is be connected by data cable with the water pressure gauge and water-level gauge
Wireless remote system, and receive the computing system of water pressure monitoring data and water level monitoring data from wireless remote system
System, further includes rainfall gauge, the rainfall gauge is connected by data cable with wireless remote system.
Preferably, for the water pressure in respect of multiple, be separately mounted to sliding surface cuts mouth and close to trailing edge drawing crack seam
At sliding surface.
A kind of monitoring method for rock side slope landslide early warning, comprises the following steps：
A, its sliding surface and the position that trailing edge drawing crack is stitched are determined by carrying out geologic prospect to landslide；
B, water pressure gauge is embedded in sliding surface and cuts mouth and at the sliding surface of trailing edge drawing crack seam；
Water-level gauge is installed on to the top of trailing edge drawing crack seam c,；
D, water pressure gauge, water-level gauge and rainfall gauge are connected by data cable with wireless remote system；
E, the data that water pressure gauge, water-level gauge and rainfall gauge monitor are sent to fortune by wireless remote system by wireless signal
Calculation system；
F, arithmetic system calculates sliding surface hydrostatic pressure and trailing edge according to water pressure monitoring data and water-level gauge monitoring data
Hydrostatic pressure is stitched in drawing crack；
G, arithmetic system calculates critical Rainfall height by the above results；
H, the live rainfall intensity that arithmetic system monitors rainfall gauge is contrasted with the critical rainfall intensity calculated；
I, arithmetic system is indicated by signal lamp, illustrates that the contrast of live rainfall intensity and critical rainfall intensity is closed
System.
The beneficial effects of the invention are as follows：Field monitoring data by wireless signal transmission to arithmetic system on, pass through fortune
Monitoring of software in calculation system can provide early warning value and live value at the same time, avoid the subjectivity that early warning value is manually set, and
Remote auto monitoring and Landslide Prediction early warning can be achieved.Monitoring system of the present invention is surveyed with monitoring based on water level without installing drilling
Oblique instrument, strain gauge, reduce difficulty of construction and monitoring cost.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the present invention.
In figure：1st, slip mass；2nd, sliding surface；3rd, trailing edge drawing crack is stitched；4th, drill；5th, water pressure gauge；6th, water-level gauge；7th, slope surface；
8th, wireless remote system；9th, system data line；10th, arithmetic system；11st, greensignal light；12nd, red eye；13rd, alarm；
14th, rainfall gauge.
Embodiment
Using side slope hydraulics as theoretical foundation, joining by early warning of rainfall intensity under the conditions of the slow rock slope with along layer near cut that inclines of foundation
Several slope instability bases for estimation, i.e. critical rainfall intensity expression formula, the system for writing and compiling on the basis of slope instability basis for estimation
Software, is installed in arithmetic system 10.Critical rainfall intensity expression formula is specific as follows：
In formula：qcrFor critical rainfall intensity；G conducts oneself with dignity for slip mass 1；U is 2 hydrostatic pressure of sliding surface；V is trailing edge drawing crack seam 3
Hydrostatic pressure；α is 2 inclination angle of sliding surface；L is 2 length of sliding surface；C is 2 cohesion of sliding surface；For 2 angle of friction of sliding surface；N is thick for sliding surface 2
Degree；μ is 2 specific yield of sliding surface；γwFor the severe of water；K is 2 infiltration coefficient of sliding surface；ω is 7 runoff coefficient of slope surface；S converges for slope surface 7
Water area.
The position for determining sliding surface 2 and trailing edge drawing crack seam 3 by carrying out geological mapping to slip mass 1, establishes landslide
Typical geology section.Faced by the geological conditions investigation and physical and mechanical property test, acquisition to live slip mass 1 and sliding surface 2
Other all parameters in boundary's rainfall intensity expression formula in addition to 2 hydrostatic pressure of sliding surface and trailing edge drawing crack stitch 3 hydrostatic pressures, and will
It is as in constant input system software.
As shown in Figure 1,3 positions are stitched in the sliding surface 2 according to log sheet and trailing edge drawing crack, and mouth is cut in sliding surface 2
Locate drilling 4, drilling 4 needs guiding through sliding surface 2, and water pressure gauge 5 is installed in 4 bottoms drilling, in the slope surface 7 close to trailing edge drawing crack seam 3
Locate drilling 4, drilling 4 needs guiding through sliding surface 2, and in the 4 bottoms installation water pressure gauge 5 that drills, 3 top installation water levels are stitched in trailing edge drawing crack
Meter 6, rainfall gauge 14, the product data line of water pressure gauge 5, the product data line of water pressure gauge 5, water-level gauge 6 are installed in slope surface 7
System data line 9 phase of the product data line of product data line and rainfall gauge 14 with the wireless remote system 8 installed in slope surface 7
Even.The 2 hydrostatic pressure U of sliding surface that water pressure gauge 5 is monitored1, 2 hydrostatic pressure U of sliding surface that water pressure gauge 5 is monitored2, water level
The height of water level h in trailing edge drawing crack seam 3 that meter 6 is monitoredw, the live rainfall intensity q of slope surface 7 that rainfall gauge 14 is monitored,
It is transferred in wireless remote system 8 and is preserved by respective product data line and system data line 9.
Wireless remote system 8 is by the 2 hydrostatic pressure U of sliding surface of preservation1, 2 hydrostatic pressure U of sliding surface2, trailing edge drawing crack seam 3 in water
Position height hwWith the live rainfall intensity q of slope surface 7, in the system software by wireless signal transmission to arithmetic system 10.System is soft
Part is first according to 2 hydrostatic pressure U of sliding surface1, 2 hydrostatic pressure U of sliding surface2With the height of water level h in trailing edge drawing crack seam 3w, and sliding surface 2
With the regularity of distribution of hydrostatic pressure in trailing edge drawing crack seam 3, calculate 2 hydrostatic pressure U of sliding surface and 3 hydrostatic pressure V stitched in trailing edge drawing crack,
Specific formula for calculation is as follows：
System software is strong by the 2 hydrostatic pressure U of sliding surface calculated and the critical rainfall of trailing edge drawing crack seam 3 hydrostatic pressure V inputs
Expression formula is spent, calculates critical rainfall intensity qcr, and by critical rainfall intensity qcrCompared with the scene of slope surface 7 rainfall intensity q
Compared with as critical rainfall intensity qcrDuring more than the scene of slope surface 7 rainfall intensity q, then system software instruction greensignal light 11 shines, table
Bright side slope is still in stable state, as critical rainfall intensity qcrDuring less than the scene of slope surface 7 rainfall intensity q, then system software indicates
Red eye 12 shines, and sounds the alarm 13, shows that side slope has the danger come down.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of monitoring method for rock side slope landslide early warning, it is characterised in that comprise the following steps：
A, its sliding surface and the position that trailing edge drawing crack is stitched are determined by carrying out geologic prospect to slip mass, establishes the typical geology on landslide
Section, by the geological conditions investigation of live slip mass and sliding surface and physical and mechanical property test, obtaining the dead weight of slip mass
G, sliding surface inclination alpha, sliding surface length L, sliding surface cohesion c, sliding surface angle of frictionSliding surface thickness n, sliding surface specific yield μ, the severe of water
γw, sliding surface osmotic coefficient k, slope runoff coefficient ω, slope surface catchment area S, arithmetic system is inputted using above-mentioned parameter as constant
It is interior；
B, water pressure gauge is embedded in sliding surface and cuts mouth and at the sliding surface of trailing edge drawing crack seam；
Water-level gauge is installed on to the top of trailing edge drawing crack seam c,；
D, water pressure gauge, water-level gauge and rainfall gauge are connected by data cable with wireless remote system；
E, the data that water pressure gauge, water-level gauge and rainfall gauge monitor are sent to computing system by wireless remote system by wireless signal
System；
F, arithmetic system calculates sliding surface hydrostatic pressure U and trailing edge drawing crack according to water pressure monitoring data and water-level gauge monitoring data
Hydrostatic pressure V is stitched, the computational methods of sliding surface hydrostatic pressure areWherein U1And U2Respectively water pressure
Count and cut mouth and the hydrostatic pressure monitored at the sliding surface of trailing edge drawing crack seam in sliding surface, trailing edge drawing crack seam hydrostatic pressure V's
Computational methods areWherein hwThe height of water level in trailing edge drawing crack seam monitored for water-level gauge；
G, arithmetic system calculates critical rainfall intensity by the above results：
H, the live rainfall intensity that arithmetic system monitors rainfall gauge is contrasted with the critical rainfall intensity calculated；
I, arithmetic system is indicated by signal lamp, illustrates live rainfall intensity and the relativity of critical rainfall intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562449.7A CN104237973B (en) | 2014-10-21 | 2014-10-21 | A kind of weather monitoring system and monitoring method for rock side slope landslide early warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562449.7A CN104237973B (en) | 2014-10-21 | 2014-10-21 | A kind of weather monitoring system and monitoring method for rock side slope landslide early warning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237973A CN104237973A (en) | 2014-12-24 |
| CN104237973B true CN104237973B (en) | 2018-05-04 |
Family
ID=52226414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410562449.7A Expired - Fee Related CN104237973B (en) | 2014-10-21 | 2014-10-21 | A kind of weather monitoring system and monitoring method for rock side slope landslide early warning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104237973B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895038B (en) * | 2015-06-11 | 2017-05-24 | 同济大学 | System and method for monitoring long-term performance of slope segment foundation pit discharge decompression anti-floating technology |
| CN106284446B (en) * | 2016-10-21 | 2018-10-12 | 中国地质科学院探矿工艺研究所 | Strong rainfall induced rock landslide field model test device |
| CN108694816B (en) * | 2018-04-20 | 2021-06-11 | 北京市地质研究所 | Debris flow early warning method |
| CN109900564B (en) * | 2019-03-25 | 2021-09-28 | 中国电建集团华东勘测设计研究院有限公司 | Method for measuring friction angle of large interlaminar dislocation belt |
| CN116822034B (en) * | 2023-08-31 | 2023-11-07 | 贵州正业工程技术投资有限公司 | Method and device for designing slope toe back pressure and foot protection retaining wall of gentle slope |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3103794B2 (en) * | 1997-02-20 | 2000-10-30 | 三星電子株式会社 | Outdoor base station with system protection function |
| CN201897865U (en) * | 2010-10-27 | 2011-07-13 | 王西君 | Wireless early warning system module capable of realizing early warning to natural disasters |
| CN202042035U (en) * | 2010-12-06 | 2011-11-16 | 云南英蝉高新技术有限公司 | Early warning system for disasters such as mud-rock flow and landslide |
| CN103150871A (en) * | 2013-01-31 | 2013-06-12 | 青岛理工大学 | Landslide forecasting method capable of utilizing underground water levels and displacement real-time monitoring |
| CN203204791U (en) * | 2013-04-02 | 2013-09-18 | 成都市西创科技有限公司 | Multiparameter landslide and mud-rock flow monitoring early warning system |
| CN204086583U (en) * | 2014-10-21 | 2015-01-07 | 宏大国源（芜湖）资源环境治理有限公司 | A kind of weather monitoring system for rock side slope landslide early warning |
-
2014
- 2014-10-21 CN CN201410562449.7A patent/CN104237973B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3103794B2 (en) * | 1997-02-20 | 2000-10-30 | 三星電子株式会社 | Outdoor base station with system protection function |
| CN201897865U (en) * | 2010-10-27 | 2011-07-13 | 王西君 | Wireless early warning system module capable of realizing early warning to natural disasters |
| CN202042035U (en) * | 2010-12-06 | 2011-11-16 | 云南英蝉高新技术有限公司 | Early warning system for disasters such as mud-rock flow and landslide |
| CN103150871A (en) * | 2013-01-31 | 2013-06-12 | 青岛理工大学 | Landslide forecasting method capable of utilizing underground water levels and displacement real-time monitoring |
| CN203204791U (en) * | 2013-04-02 | 2013-09-18 | 成都市西创科技有限公司 | Multiparameter landslide and mud-rock flow monitoring early warning system |
| CN204086583U (en) * | 2014-10-21 | 2015-01-07 | 宏大国源（芜湖）资源环境治理有限公司 | A kind of weather monitoring system for rock side slope landslide early warning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104237973A (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104237973B (en) | A kind of weather monitoring system and monitoring method for rock side slope landslide early warning | |
| AU2018203863B2 (en) | Subterranean monitoring using enhanced video | |
| US10227859B2 (en) | Equipment monitoring using enhanced video | |
| CN107807406B (en) | Abyssal floor rheology observation device based on differential pressure measurement | |
| CN106442937B (en) | A kind of novel sea shallow-layer soil strength variation detection system and its appraisal procedure | |
| Yin et al. | Field experimental investigation of punch-through for different operational conditions during the jack-up rig spudcan penetration in sand overlying clay | |
| Carlino et al. | Tectonic stress and renewed uplift at Campi Flegrei caldera, southern Italy: new insights from caldera drilling | |
| CN104236488A (en) | Mark belt real-time depth-measuring system based on radar detection technology | |
| CN106289615B (en) | A kind of protected seam monitor for stress and monitoring method | |
| CN110424363A (en) | A kind of weak soil soil response intensive parameter long range method for continuous measuring | |
| CA2979330C (en) | Draw-down pressure apparatus, systems, and methods | |
| Moore et al. | Glacier slip and seismicity induced by surface melt | |
| CN204086583U (en) | A kind of weather monitoring system for rock side slope landslide early warning | |
| CN204115809U (en) | A kind of water level monitoring system for rock side slope landslide early warning | |
| CN103835755A (en) | Disaster monitoring method for coal mine tunnel roof | |
| Nwokebuihe et al. | A description of an effective sinkhole investigation approach: a case study of a site in Greene County, Missouri | |
| Zhang et al. | Prediction model of shallow geological hazards in Lingshui 17-2 deepwater based on laboratory experiment and a hybrid computational approach | |
| CN104330126A (en) | Water-level monitoring system and method for early warning of landslide of rock slopes | |
| CN108133108A (en) | A kind of method predicted artesian water precipitation and influenced on building settlement | |
| CN109308359A (en) | Dimension design method of underwater cable protector | |
| CN102268880A (en) | Through-middle type cylindrical foundation and mounting process | |
| NO20211422A1 (en) | Distributed acoustic sensor with trackable plug | |
| Gray | Stresses in sedimentary strata, including coals, and the effects of fluid withdrawal on effective stress and permeability | |
| CN109063341B (en) | Bedding slope stability analysis method under rainfall condition based on slope shoulder displacement | |
| Wang et al. | Undrained Shear Strength Measurement for Deep-Sea Surficial Sediments in the West of South China Sea Using Miniature Full-Flow Penetrometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20180504 Termination date: 20191021 |