CN104655101A - High-precision lead type whole-section slope stability monitoring pre-alarming system and monitoring method thereof - Google Patents
High-precision lead type whole-section slope stability monitoring pre-alarming system and monitoring method thereof Download PDFInfo
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- CN104655101A CN104655101A CN201510081286.5A CN201510081286A CN104655101A CN 104655101 A CN104655101 A CN 104655101A CN 201510081286 A CN201510081286 A CN 201510081286A CN 104655101 A CN104655101 A CN 104655101A
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- slope
- monitoring
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- early warning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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 high-precision lead type whole-section slope stability monitoring pre-alarming system and a monitoring method thereof. The monitoring method comprises the following steps: laying leads along a slope surface downwards, ensuring that the leads cover the whole section of a slope; mounting displacement sensors and lead tension sensors in appropriate positions at the section of the slope along the leads, and tightly adhering the displacement sensors and the lead tension sensors on the section of the slope through primary tension generated from the leads through spring devices and pre-tightening devices; connecting the displacement sensors and the tension sensors on the leads with a data acquisition box through a wired or wireless device; connecting the data acquisition box with a monitoring computer or an intelligent mobile phone. By adopting a double-control mode that displacement monitoring and stress monitoring are combined, displacement monitoring and stress monitoring are mutually verified and checked, so that the monitoring precision is high, and the pre-alarm reliability is high; by laying and tightening the leads between base points on the top of the slope and the base points of the foot of the slope, the whole section of the slope can be monitored; by connecting a power supply system with a wireless transmission module, all-day on-line service, dynamic real-time transmission and automatic analysis and pre-alarming can be achieved, and the high-precision lead type whole-section slope stability monitoring pre-alarming system and the monitoring method have relatively good economic benefits and technical values.
Description
Technical field
The invention belongs to foundation works field, refer in particular to a kind of High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and monitoring method thereof, for stability and the actual behaviour in service of control and measuring side slope.
Background technology
At present, the techniques and methods that domestic and international application is monitored in side slope safety is a lot, mainly contains macroscopical geology observation method, establishes station observation method, instrument observation method and remote detection method etc.We mainly obtain the feedback of the deformation mechanism of side slope, hazards control and regulation effect by these methods, and then the contingent destruction of prediction slope project, provide foundation for preventing and reducing natural disasters.
China is one of country that geologic hazard is the most serious in the world, along with Chinese society expanding economy, highway construction gradually by Plain to mountain development, due to mountains and rivers, mountain area in length and breadth, climate variability, nature complex geologic conditions, due to the impact of natural cause and human activity (highway construction), destroy the equilibrium condition of original side slope, avalanche may be there is, landslide, rubble flow, the geologic hazards such as roadbed settlement, then larger impact is caused on social life and human economic development, therefore, the control of geological hazards in mountainous area has become highway construction a gordian technique difficult problem to be solved.
Upon Slope Stability detects and roughly experienced by several stage: macroscopical geology empirical method, namely according to the variation characteristic on artificial observation earth's surface, the mutation of underground water, around vegeto-animal exception etc. determine the situation of side slope: simple and easy observation method, namely make marks at crucial crack place, set the methods such as mark post to measure fracture length, width, the change of the degree of depth and bearing of trend; Geodesic method, the method is appearance along with high-precision optics and photoelectric instrument and develops gradually and ripe; Above method all needs manual operation, and because of the impact by weather, landform and the factor such as artificial, can produce certain error, can not reflect the stability state of side slope in real time, early warning effect is poor.Due to the fast development of monitoring instrument, GPS measures and close-range photogrammetry is also applied to slope stability monitoring, along with the development acoustic emission method of electronic technology and computer technology, and time domain reflectometry, during light, reflectometry etc. are also just being applied among Slope; The fast development of network technology, the stability monitoring method of side slope is developing to robotization, high precision and remote wireless monitoring system again.Above-mentioned instrument monitoring method is mainly spot distribution, and the instrument expense of single-point is just very high, and whole monitoring section needs to lay multiple monitoring instruments, and the cost of monitoring and warning is just higher, and the expense of general whole monitoring section needs tens ten thousand to hundreds of thousands.Therefore, seek that a kind of cost is lower, precision is higher, the side slope Monitoring and forecasting system in real-time method of good reliability is the task of top priority.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and method are provided, achieve the robotization of the stability monitoring of side slope, high precision and remote wireless monitoring system development.
A kind of High Precision Traverses formula tunneling boring stability of slope monitor and early warning system, described system comprises data acquisition device, is arranged on top, the slope on Slope top basic point stationary installation, be arranged on the toe basic point stationary installation of side slope toe, along domatic laying wire between top, slope and toe, wire one end is fixed in the basic point stationary installation of top, slope, the wire other end is connected with toe basic point stationary installation with pre-tightening apparatus by elastic device, and elastic device and pre-tightening apparatus make wire stretching and fit perfectly on domatic; Wire is provided with the pulling force sensor for measure traverse line pulling force; Pulling force sensor carries out data transmission by wired or wireless mode and data acquisition device.
Preferably, data acquisition device is provided with electric power system that solar power supply apparatus and storage battery power supply combine, data acquisition and wireless network remote transmission module, and the data of data acquisition device receiving sensor are wirelessly sent on monitoring computer or smart mobile phone.
Preferably, described wire is also provided with displacement transducer.
Preferably, described wire in domatic turning point by wheel frame on domatic, wire can slide on guide wheel.
Preferred, on described wire, between guide wheel, position is all provided with pulling force sensor and displacement transducer.
Preferably, described elastic device is spring or elastic threads; Described pre-tightening apparatus comprises suitable screw rod and nut, and screw rod one end and wire are fixed, and the other end is connected with nut thread through after the steel plate of toe basic point stationary installation, and carries out pretension by setting nut.
Preferably, top, described slope basic point, top, slope basic point is be arranged on to maintain static anchor pole a little or concrete paxilla or column in Po Ding safety zone.
Preferably, the arranged direction of pulling force sensor and displacement transducer is parallel with wire; The measuring staff of displacement transducer is connected with the buckle be arranged on wire.
Preferably, described monitoring computer or smart mobile phone are equipped with automatic analysis and assessment software, if rate of displacement and pulling force increment exceed control criterion, and alarm, and send note to about on the mobile phone of managerial personnel.
In addition, present invention also offers the method that High Precision Traverses formula tunneling boring stability of slope monitor and early warning system carries out monitoring and warning, comprise the steps:
1) High Precision Traverses formula tunneling boring stability of slope supervising device is carried out installation to fix;
2) data acquisition module in data acquisition device carries out the Monitoring Data of Real-time Collection displacement transducer and pulling force sensor, and Monitoring Data is transferred in time monitoring computer or the smart mobile phone of Surveillance center by wireless network transmissions device;
3) monitoring computer or smart mobile phone are equipped with automatic analysis and assessment software, automatic analysis and assessment are carried out to real-time monitoring data, if rate of displacement and pulling force increment exceed control criterion, and alarm, and send note to about on the mobile phone of managerial personnel.
Below the present invention is further elaborated:
The present invention relates to a kind of High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and method, comprise supervising device and concrete method for supervising, got top, slope basic point at side slope top, on top, slope, basic point place secures wire upper end, down lays wire along domatic; Toe basic point is chosen at toe, at this basic point place, screw pre-tightening device is installed, screw rod is provided with a spring, spring is connected with pulling force sensor, pulling force sensor is connected with displacement transducer, sensor is connected to data acquisition device, and data acquisition device is provided with electric power system, data acquisition module and the wireless network transmission module that solar power supply apparatus and storage battery power supply combine.The pattern of double controlling that the present invention takes strain controlling to combine with Stress Control, mutual checking and check, monitored results precision is high, early warning fiduciary level is high, connection electric power system and wireless network transmission module achieve round-the-clock online service, dynamic realtime transmits, and automated analysis and early warning, have good economic benefit and technological value.
Described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and method, top, the slope chosen at side slope top basic point, top, slope basic point is for maintaining static a little.
Described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and method, down lay wire along domatic, be provided with guide wheel in domatic turning point.
Described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and method, suitable interval is chosen along wire according to side slope situation at different levels, multiple displacement transducer and pulling force sensor has been laid on massif is domatic, the arranged direction of displacement transducer and pulling force sensor is parallel with the wire of this position, wire has been installed buckle, and the measuring staff of displacement transducer is connected with buckle.
Described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system and method, when laying pulling force sensor and displacement transducer, sensor is connected to data acquisition device by cable or wireless mode.
If massif is subjected to displacement, displacement transducer then on displacement regional slope will produce relative displacement with wire, high accuracy displacement sensor can monitor rapidly this displacement, wire is strained further simultaneously, spring can extend, the pulling force of wire can increase, and highly sensitive pulling force sensor can monitor the change of pulling force, and displacement transducer monitors the elongation of spring.The Real-time Monitoring Data of displacement transducer and pulling force sensor, pass through wireless network transmission module, on the computing machine of timely long-range transmission engineering management maintenance department, special-purpose assorted software carries out automatic analysis and assessment, if rate of displacement and pulling force increment exceed control criterion, and alarm, and send note to about on the mobile phone of managerial personnel.
The present invention has following feature and beneficial effect:
1, along the wire that whole side slope is arranged, make guarded region comprehensive, whole side slope can realize the overall situation and control completely, has no to omit;
2, the coordination of displacement transducer and pulling force sensor uses, achieve double synchronous monitoring, and can verify mutually and check, stop the error that conventional slope monitoring method causes, improve early warning fiduciary level, the various losses that the various disasters reducing side slope cause, have ensured the security of the lives and property of the public;
3, the setting of integral monitoring device and monitoring method, accomplished monitoring scientific in principle rationally, simple and clear and, and monitoring accuracy is high;
4, data acquisition device is connected to the way of electric power system that solar power supply apparatus and storage battery power supply combine and wireless network transmission module, and realize free of discontinuities monitoring in 24 hours, dynamic realtime transmits, and automated analysis and early warning, decrease the input of man power and material;
5, monitoring system is installed simple, easy to operate, and easily constructs in installation position, compared to the supervising device of other method for supervising, is easier to safeguard and change.
6, compared with the conventional method, there is larger cost advantage, adopt wireless supervisory control system, avoid human activity and natural cause to the impact of monitor data;
7, the pattern of double controlling that the strain controlling adopted combines with Stress Control, achieves the double insurance of monitor procedure and result, more more accurate than the slope monitoring method of routine, and reliability is higher.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention.
Fig. 2 spring assembly and pulling force sensor scheme of installation.
Fig. 3 displacement transducer scheme of installation.
In figure: top, 1-slope basic point stationary installation, 2-toe basic point stationary installation, 3-side slope, 4-pulling force sensor, 5-displacement transducer, 6-wire, 7-guide wheel, 8-anchor pole, 9-screw rod, 10-nut, 11-spring, 12-measuring staff, 13-bayonet socket, Ls-stability and safety distance
Concrete implementation step
Concrete implementation step of the present invention is further illustrated below in conjunction with accompanying drawing:
As shown in Figure 1, High Precision Traverses formula tunneling boring stability of slope monitor and early warning system
The present invention is that the situation such as geology, section, protection form according to side slope carries out estimation of stability, choose typical monitoring section and determine side slope roof stabilisation safe distance Ls, outside the stability and safety distance Ls of top, the slope of selected section, choose correct position, arrange top, slope basic point, top, slope basic point is for maintaining static a little.A column (top, slope basic point stationary installation 1) is installed at basic point place, top, slope, column fixes the upper end of wire 6, again wire 6 is down laid along domatic 3 always, in process of deployment, when meeting domatic turning point, install guide wheel 7 in domatic turning point, guide wheel 7 presses close to domatic 3, and configuration requires with domatic 3 basically identical.
Correct position is selected near side slope toe, toe basic point is set, toe basic point is arranged anchor pole 8 (toe basic point stationary installation 2, also can be concrete stake), at toe basic point, place installs screw rod 9, and screw rod 9 and wire 6 times extreme directions are consistent, and one end and nut 10 are arranged on steel plate with holes, steel plate with holes is arranged in toe basic point stationary installation 2, and basic point can adopt anchor pole or concrete paxilla according to geological condition.The other end of screw rod 9 installs a spring 11, and the other end of spring 11 connects a high precision pull sensor 4, and the other end of pulling force sensor 4 is connected with the lower end of wire 6.Screw rod 9 carrys out pretension by the precession of nut 10 on screw rod 9 or regulates the pulling force of wire and spring 11.If produce lax because creep occurs long-time stressed wire 6, secondary applying pretension can be carried out by precession nut 10 again.
Suitable interval is chosen along wire according to side slope situation at different levels, multiple displacement transducer 5 and pulling force sensor 4 is laid on massif is domatic, displacement transducer 5 is parallel with the wire of this position with the arranged direction of pulling force sensor 4, wire is installed buckle 13, and the measuring staff 12 of displacement transducer 5 is connected with buckle 13.
Lay displacement transducer 5 and pulling force sensor 4 and adopt wiring or wireless mode, be connected to data acquisition device, data acquisition device is provided with electric power system, data acquisition module and the wireless network transmission module that solar power supply apparatus and storage battery power supply combine.
Data acquisition module in data acquisition device carries out real-time data collection, and the Monitoring Data of displacement transducer and pulling force sensor is transferred in time monitoring computer or the smart mobile phone of Surveillance center by wireless network transmissions device; Monitoring computer or smart mobile phone are equipped with special-purpose assorted analysis and assessment software, automatic analysis and assessment are carried out to real-time monitoring data, if rate of displacement and pulling force increment exceed control criterion, and alarm, and send note to about on the mobile phone of managerial personnel.
Claims (10)
1. a High Precision Traverses formula tunneling boring stability of slope monitor and early warning system, it is characterized in that, described system comprises data acquisition device, is arranged on top, the slope on Slope top basic point stationary installation, be arranged on the toe basic point stationary installation of side slope toe, along domatic laying wire between top, slope and toe, wire one end is fixed in the basic point stationary installation of top, slope, the wire other end is connected with toe basic point stationary installation with pre-tightening apparatus by elastic device, and elastic device and pre-tightening apparatus make wire stretching and fit perfectly on domatic; Wire is provided with the pulling force sensor for measure traverse line pulling force; Pulling force sensor carries out data transmission by wired or wireless mode and data acquisition device.
2. High Precision Traverses formula tunneling boring stability of slope monitor and early warning system according to claim 1, it is characterized in that: data acquisition device is provided with electric power system that solar power supply apparatus and storage battery power supply combine, data acquisition and wireless network remote transmission module, and the data of data acquisition device receiving sensor are wirelessly sent on monitoring computer or smart mobile phone.
3. High Precision Traverses formula tunneling boring stability of slope monitor and early warning system according to claim 1 and 2, is characterized in that: described wire is also provided with displacement transducer.
4., according to the arbitrary described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system of claim 1-3, it is characterized in that: described wire in domatic turning point by wheel frame on domatic, wire can slide on guide wheel.
5. High Precision Traverses formula tunneling boring stability of slope monitor and early warning system according to claim 4, is characterized in that: on described wire, between guide wheel, position is all provided with pulling force sensor and displacement transducer.
6., according to the arbitrary described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system of claim 1-5, it is characterized in that: described elastic device is spring or elastic threads; Described pre-tightening apparatus comprises suitable screw rod and nut, and screw rod one end and wire are fixed, and the other end is connected with nut thread through after the steel plate of toe basic point stationary installation, and carries out pretension by setting nut.
7. according to the arbitrary described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system of claim 1-6, it is characterized in that: top, described slope basic point stationary installation is be arranged on to maintain static anchor pole a little or concrete paxilla or column in Po Ding safety zone.
8. according to the arbitrary described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system of claim 3-7, it is characterized in that: the arranged direction of pulling force sensor and displacement transducer is parallel with wire; The measuring staff of displacement transducer is connected with the buckle be arranged on wire.
9. according to the arbitrary described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system of claim 2-8, it is characterized in that: described monitoring computer or smart mobile phone are equipped with automatic analysis and assessment software, if rate of displacement and pulling force increment exceed control criterion, and alarm, and send note to about on the mobile phone of managerial personnel.
10. the arbitrary described High Precision Traverses formula tunneling boring stability of slope monitor and early warning system of claim 1-9 carries out the method for monitoring and warning, comprises the steps:
1) carry out installation by the arbitrary described High Precision Traverses formula tunneling boring stability of slope supervising device of claim 1-8 to fix;
2) data acquisition module in data acquisition device carries out the Monitoring Data of Real-time Collection displacement transducer and pulling force sensor, and passes through wireless network transmissions device by Monitoring Data real-time Transmission to the monitoring computer of Surveillance center or smart mobile phone;
3) monitoring computer or smart mobile phone are equipped with automatic analysis and assessment software, automatic analysis and assessment are carried out to real-time monitoring data, if rate of displacement and pulling force increment exceed control criterion, and alarm, and send note to about on the mobile phone of managerial personnel.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105844862A (en) * | 2016-06-10 | 2016-08-10 | 国网山西省电力公司阳泉供电公司 | Foundation fissure collapse warning device |
| CN106323223A (en) * | 2015-07-06 | 2017-01-11 | 长沙理工大学 | Deformation monitoring and early warning system for highway cutting slope |
| CN108280969A (en) * | 2018-01-11 | 2018-07-13 | 中铁第四勘察设计院集团有限公司 | A kind of high slope surface deformation monitoring and warning system and its method for early warning |
| CN108343098A (en) * | 2018-02-11 | 2018-07-31 | 江苏中路工程检测有限公司 | A kind of automatic monitoring system of deep basal pit |
| CN108387197A (en) * | 2018-05-21 | 2018-08-10 | 北京久感科技有限公司 | A kind of anchoring for ground displacement |
| CN108413920A (en) * | 2018-02-01 | 2018-08-17 | 武汉大学 | A kind of tiny displacement deforming monitoring system and method based on tension sensor |
| CN111105600A (en) * | 2019-12-30 | 2020-05-05 | 中国公路工程咨询集团有限公司 | Cutting slope stability dynamic monitoring and early warning system and method based on rainfall condition |
| CN111144762A (en) * | 2019-12-27 | 2020-05-12 | 成都理工大学 | Railway line screening method based on ground geological disaster risk assessment |
| CN111189437A (en) * | 2020-01-13 | 2020-05-22 | 内蒙古广纳信息科技有限公司 | Strip mine side slope deformation detection device and method |
| CN113010835A (en) * | 2021-03-29 | 2021-06-22 | 重庆交通大学 | Dangerous rock collapse early warning method and system based on fracture mechanics |
| CN114093134A (en) * | 2021-11-26 | 2022-02-25 | 中国电建集团成都勘测设计研究院有限公司 | Simple early warning system for slope construction period |
| CN115164798A (en) * | 2022-07-12 | 2022-10-11 | 大连理工大学 | Embedded multi-angle dynamic slope stability monitoring system |
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Cited By (17)
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| CN106323223A (en) * | 2015-07-06 | 2017-01-11 | 长沙理工大学 | Deformation monitoring and early warning system for highway cutting slope |
| CN106323223B (en) * | 2015-07-06 | 2019-12-20 | 长沙理工大学 | Highway cutting slope deformation monitoring and early warning system |
| CN105844862A (en) * | 2016-06-10 | 2016-08-10 | 国网山西省电力公司阳泉供电公司 | Foundation fissure collapse warning device |
| CN108280969B (en) * | 2018-01-11 | 2023-10-27 | 中铁第四勘察设计院集团有限公司 | High-slope surface deformation monitoring and early warning system and early warning method thereof |
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| CN108343098A (en) * | 2018-02-11 | 2018-07-31 | 江苏中路工程检测有限公司 | A kind of automatic monitoring system of deep basal pit |
| CN108387197A (en) * | 2018-05-21 | 2018-08-10 | 北京久感科技有限公司 | A kind of anchoring for ground displacement |
| CN111144762A (en) * | 2019-12-27 | 2020-05-12 | 成都理工大学 | Railway line screening method based on ground geological disaster risk assessment |
| CN111105600A (en) * | 2019-12-30 | 2020-05-05 | 中国公路工程咨询集团有限公司 | Cutting slope stability dynamic monitoring and early warning system and method based on rainfall condition |
| CN111189437B (en) * | 2020-01-13 | 2022-02-18 | 江苏恒旺数字科技有限责任公司 | Strip mine side slope deformation detection device and method |
| CN111189437A (en) * | 2020-01-13 | 2020-05-22 | 内蒙古广纳信息科技有限公司 | Strip mine side slope deformation detection device and method |
| CN113010835A (en) * | 2021-03-29 | 2021-06-22 | 重庆交通大学 | Dangerous rock collapse early warning method and system based on fracture mechanics |
| CN113010835B (en) * | 2021-03-29 | 2023-02-24 | 重庆交通大学 | Dangerous rock collapse early warning method and system based on fracture mechanics |
| CN114093134A (en) * | 2021-11-26 | 2022-02-25 | 中国电建集团成都勘测设计研究院有限公司 | Simple early warning system for slope construction period |
| CN115164798A (en) * | 2022-07-12 | 2022-10-11 | 大连理工大学 | Embedded multi-angle dynamic slope stability monitoring system |
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