CN104237973A - Meteorological monitoring system and monitoring system for early warning of rock slope landslide - Google Patents
Meteorological monitoring system and monitoring system for early warning of rock slope landslide Download PDFInfo
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- CN104237973A CN104237973A CN201410562449.7A CN201410562449A CN104237973A CN 104237973 A CN104237973 A CN 104237973A CN 201410562449 A CN201410562449 A CN 201410562449A CN 104237973 A CN104237973 A CN 104237973A
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Abstract
The invention discloses a meteorological monitoring system and a meteorological monitoring system for the early warning of rock slope landslide, and belongs to the field of an environment monitoring technology. The meteorological monitoring system comprises a water pressure gage buried on a sliding surface, and a water level indicator arranged at the top of a trailing edge pulling crack; the meteorological monitoring system further comprises a wireless remote system which is connected with the water pressure gauge and the water level indicator through data wires, and an operating system which receives the water pressure monitoring data and water level monitoring data of the wireless remote system. Field monitoring data is transmitted to the operating system through wireless signal transmission, and an early warning value and a field valve can be given simultaneously by a monitoring software in the operating system, therefore the subjectivity of the a man-made set prewarning value can be prevented, and the automatic remote monitoring and landslide forecasting and early warning can be realized. The monitoring system provided by the invention does not need to install a drilling clinometers and a stress sensor based on water level monitoring, therefore the construction difficulty and monitoring cost can be reduced.
Description
Technical field
The present invention relates to a kind of weather monitoring system for rock side slope landslide early warning and monitoring method, belong to environmental monitoring technology field.
Background technology
The slow type of rock slope with along layer near cut as rock side slope of inclining, occurring in nature distribution widely.Under gravity stress condition, this kind of side slope is less than aspect angle of internal friction due to formation dip, usually can keep steady state (SS), even if toe is excavated also can not cause obvious sliding rupture.But under condition of raining, because the hydrostatic force on sliding surface and in sliding surface trailing edge drawing crack seam raises fast, often easily cause the generation of coming down, therefore this kind of landslide affects significantly by hydraulic action, and have sudden and disguised, usually cause large-scale geologic hazard because not attracting much attention.
Landslide Forecast System conventional is at present mainly by installing clinograph, strain gauge, judge whether from the aspect such as displacement, stress by coming down, but the application cost of clinograph, strain gauge is higher, and its early warning value is difficult to determine when being used as early-warning parameters with displacement, stress, often there is very large blindness, reduce the reliability of early warning result.
Summary of the invention
For solving the problem, the invention provides a kind of structure simple, easy to use, monitoring is accurately for weather monitoring system and the monitoring method of rock side slope landslide early warning.
The technical scheme that the present invention adopts for its problem of solution is:
For a weather monitoring system for rock side slope landslide early warning, comprise the WG being embedded in sliding surface place, and be arranged on the water-level gauge at the top that trailing edge drawing crack is stitched; Also comprise and take into account by data line and described water pressure the wireless remote system that water-level gauge is connected, and receive from the water pressure Monitoring Data of wireless remote system and the arithmetic system of water level monitoring data, also comprise rain gage, described rain gage is connected with wireless remote system by data line.
Preferably, described water pressure is in respect of multiple, and what be arranged on sliding surface respectively cuts mouth and the sliding surface place near trailing edge drawing crack seam.
For a monitoring method for rock side slope landslide early warning, comprise the following steps:
A, by landslide carry out geologic prospect determine its sliding surface and trailing edge drawing crack seam position;
B, WG is embedded in sliding surface and cuts mouth and the sliding surface place near trailing edge drawing crack seam;
C, water-level gauge is arranged on the top of trailing edge drawing crack seam;
D, WG, water-level gauge are connected with wireless remote system by data line with rain gage;
The data that WG, water-level gauge and rain gage are monitored are sent to arithmetic system by wireless signal by e, wireless remote system;
F, arithmetic system calculate sliding surface hydrostatic force and trailing edge drawing crack seam hydrostatic force according to water pressure Monitoring Data and water-level gauge Monitoring Data;
G, arithmetic system calculate critical Rainfall height by the above results;
The on-the-spot rainfall intensity that rain gage monitors by h, arithmetic system and the critical rainfall intensity calculated contrast;
I, arithmetic system are indicated by signal lamp, and the relativity of on-the-spot rainfall intensity and critical rainfall intensity is described.
The invention has the beneficial effects as follows: field monitoring data by transmission of wireless signals to arithmetic system on, early warning value and on-the-spot value can be provided by the monitoring of software in arithmetic system simultaneously, avoid the subjectivity of artificial setting early warning value, and remote auto monitoring and Landslide Prediction early warning can be realized.Monitoring system of the present invention, to monitor water level, without the need to installing clinograph, strain gauge, reduces difficulty of construction and monitoring cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
In figure: 1, sliding mass; 2, sliding surface; 3, trailing edge drawing crack seam; 4, hole; 5, WG; 6, water-level gauge; 7, domatic; 8, wireless remote system; 9, system data line; 10, arithmetic system; 11, greensignal light; 12, red eye; 13, alarm; 14, rain gage.
Embodiment
With side slope hydraulics for theoretical foundation, set up under slow rock slope with along layer near cut condition of inclining take rainfall intensity as the slope instability basis for estimation of early-warning parameters, i.e. critical rainfall intensity expression formula, on the basis of slope instability basis for estimation, system for writing and compiling software, is arranged in arithmetic system 10.Critical rainfall intensity expression formula is specific as follows:
In formula: q
crfor critical rainfall intensity; G is that sliding mass 1 is conducted oneself with dignity; U is sliding surface 2 hydrostatic force; V is that 3 hydrostatic forces are stitched in trailing edge drawing crack; α is sliding surface 2 inclination angle; L is sliding surface 2 length; C is sliding surface 2 cohesion;
for sliding surface 2 angle of friction; N is sliding surface 2 thickness; μ is sliding surface 2 specific yield; γ
wfor the severe of water; K is sliding surface 2 infiltration coefficient; ω is domatic 7 drainage ratios; S is domatic 7 water catchment areas.
By carrying out the position of geological mapping determination sliding surface 2 and trailing edge drawing crack seam 3 to sliding mass 1, set up the typical geology section on landslide.By investigating and physical and mechanical property test the geologic condition of on-the-spot sliding mass 1 and sliding surface 2, obtain except other all parameters except 3 hydrostatic forces are stitched in sliding surface 2 hydrostatic force and trailing edge drawing crack in critical rainfall intensity expression formula, and it can be used as in constant input system software.
As shown in Figure 1, 3 positions are stitched in sliding surface 2 according to log sheet and trailing edge drawing crack, exit drilling 4 is cut at sliding surface 2, boring 4 need through sliding surface 2, WG 5 is installed bottom boring 4, at the domatic 7 place's drillings 4 near trailing edge drawing crack seam 3, boring 4 need through sliding surface 2, WG 5 is installed bottom boring 4, stitch 3 tops in trailing edge drawing crack and water-level gauge 6 is installed, domatic 7, rain gage 14 is installed, the product data line of WG 5, the product data line of WG 5, the product data line of water-level gauge 6 is all connected with the system data line 9 of the wireless remote system 8 being arranged on domatic 7 with the product data line of rain gage 14.The sliding surface 2 hydrostatic force U that WG 5 monitors
1, the sliding surface 2 hydrostatic force U that WG 5 monitors
2, the height of water level h in the trailing edge drawing crack seam 3 that water-level gauge 6 monitors
w, the domatic 7 on-the-spot rainfall intensity q that rain gage 14 monitors, are transferred in wireless remote system 8 by respective product data line and system data line 9 and are also preserved.
The sliding surface 2 hydrostatic force U that wireless remote system 8 will be preserved
1, sliding surface 2 hydrostatic force U
2, trailing edge drawing crack seam 3 in height of water level h
wwith domatic 7 on-the-spot rainfall intensity q, by transmission of wireless signals in the system software of arithmetic system 10.System software is first according to sliding surface 2 hydrostatic force U
1, sliding surface 2 hydrostatic force U
2with the height of water level h in trailing edge drawing crack seam 3
w, and the regularity of distribution of hydrostatic force in sliding surface 2 and trailing edge drawing crack seam 3, calculates sliding surface 2 hydrostatic force U and 3 hydrostatic force V are stitched in trailing edge drawing crack, and specific formula for calculation is as follows:
The sliding surface 2 hydrostatic force U calculated and trailing edge drawing crack are stitched 3 hydrostatic force V and input critical rainfall intensity expression formula by system software, calculate critical rainfall intensity q
cr, and by critical rainfall intensity q
crcompare, as critical rainfall intensity q with domatic 7 on-the-spot rainfall intensity q
crwhen being greater than domatic 7 on-the-spot rainfall intensity q, then system software instruction greensignal light 11 is luminous, shows that side slope is still in steady state (SS), as critical rainfall intensity q
crwhen being less than domatic 7 on-the-spot rainfall intensity q, then system software instruction red eye 12 is luminous, and sounds the alarm 13, shows that side slope has the danger that landslide occurs.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. for a weather monitoring system for rock side slope landslide early warning, it is characterized in that, comprise the WG being embedded in sliding surface place, and be arranged on the water-level gauge at the top that trailing edge drawing crack is stitched; Also comprise and take into account by data line and described water pressure the wireless remote system that water-level gauge is connected, and receive from the water pressure Monitoring Data of wireless remote system and the arithmetic system of water level monitoring data, also comprise rain gage, described rain gage is connected with wireless remote system by data line.
2. a kind of weather monitoring system for rock side slope landslide early warning according to claim 1, is characterized in that, described water pressure is in respect of multiple, and what be arranged on sliding surface respectively cuts mouth and the sliding surface place near trailing edge drawing crack seam.
3., for a monitoring method for rock side slope landslide early warning, it is characterized in that, comprise the following steps:
A, by landslide carry out geologic prospect determine its sliding surface and trailing edge drawing crack seam position;
B, WG is embedded in sliding surface and cuts mouth and the sliding surface place near trailing edge drawing crack seam;
C, water-level gauge is arranged on the top of trailing edge drawing crack seam;
D, WG, water-level gauge are connected with wireless remote system by data line with rain gage;
The data that WG, water-level gauge and rain gage are monitored are sent to arithmetic system by wireless signal by e, wireless remote system;
F, arithmetic system calculate sliding surface hydrostatic force and trailing edge drawing crack seam hydrostatic force according to water pressure Monitoring Data and water-level gauge Monitoring Data;
G, arithmetic system calculate critical Rainfall height by the above results;
The on-the-spot rainfall intensity that rain gage monitors by h, arithmetic system and the critical rainfall intensity calculated contrast;
I, arithmetic system are indicated by signal lamp, and the relativity of on-the-spot rainfall intensity and critical rainfall intensity is described.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| 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 |
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| CN104237973B CN104237973B (en) | 2018-05-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895038A (en) * | 2015-06-11 | 2015-09-09 | 同济大学 | System and method for monitoring long-term performance of slope segment foundation pit discharge decompression anti-floating technology |
| CN106284446A (en) * | 2016-10-21 | 2017-01-04 | 中国地质科学院探矿工艺研究所 | Strong rainfall induced rock landslide field model test device |
| CN108694816A (en) * | 2018-04-20 | 2018-10-23 | 北京市地质研究所 | A kind of debris flow early-warning method |
| CN109900564A (en) * | 2019-03-25 | 2019-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Inter-laminar dislocation band of growing up friction angle measuring method |
| CN116822034A (en) * | 2023-08-31 | 2023-09-29 | 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 |
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| 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 |
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Patent Citations (6)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895038A (en) * | 2015-06-11 | 2015-09-09 | 同济大学 | System and method for monitoring long-term performance of slope segment foundation pit discharge decompression anti-floating technology |
| CN106284446A (en) * | 2016-10-21 | 2017-01-04 | 中国地质科学院探矿工艺研究所 | Strong rainfall induced rock landslide field model test device |
| CN108694816A (en) * | 2018-04-20 | 2018-10-23 | 北京市地质研究所 | A kind of debris flow early-warning method |
| CN109900564A (en) * | 2019-03-25 | 2019-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Inter-laminar dislocation band of growing up friction angle measuring 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 |
| CN116822034A (en) * | 2023-08-31 | 2023-09-29 | 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 |
| 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 |
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| CN104237973B (en) | 2018-05-04 |
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Granted publication date: 20180504 Termination date: 20191021 |