CN106645632B - A kind of landslide measurement method - Google Patents
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Abstract
A kind of landslide measurement method, the method are detected the three-dimensional model map in landslide place by building, and the set-up site of sensor is marked in three-dimensional model map；After landslide occurs, the time that the sensor to stop working stops working is recorded；Three-dimensional model map is divided into multiple regions according to the contour that perpendicular separation is H, calculates the average value T for the time that the sensor to stop working in each region stops working；The vertical Velocity of The Landslide reference value V for being used for landslide disaster early warning is obtained divided by the absolute value of the difference of the average value T for the time of adjacent area to stop working with perpendicular separation HH.Above-mentioned measurement method of the invention can use the sensor to have stopped working already and calculate the information for obtaining and can be used for landslide disaster early warning, the information for situations such as judging the scale, size, range of landslide is provided, the waste heat that maximum degree utilizes sensor can be use up, cost is greatly saved.
Description
Technical Field
The invention relates to measurement in the field of landslide research, in particular to a measurement method which can be used for landslide caused by earthquake.
Background
Earthquake Landslide (earth-Induced Landslide) refers to a phenomenon that a rock body or a soil body slides downwards along a gentle slope by shearing for a certain distance due to Earthquake motion generated by an Earthquake. When earthquake occurs strongly, the landslide secondary geological disaster induced by earthquake, especially in mountainous and hilly areas, causes even larger economic loss and casualties than the earthquake directly causes. In continental areas of China, particularly in mountainous areas with relatively complex terrain, landslides caused by earthquakes are the most common secondary geological disasters with the strongest destructive power.
The earthquake landslide has the characteristics of sudden occurrence, complex mechanism and various motion forms, and is difficult to predict. Active and effective monitoring and precautionary measures are taken by governments of various countries to reduce landslide disaster loss caused by earthquakes. At present, a plurality of modes and methods for monitoring earthquake landslide disasters exist, and the main method comprises the steps of on-site dynamic continuous monitoring and remote sensing monitoring, acquiring information of occurrence, development and movement of earthquake landslide, exploring the distribution rule of the information, and accumulating precious continuous observation data for real-time early warning, emergency rescue, restoration, reconstruction, site selection, scientific research and the like of the earthquake landslide. Although remote sensing images in remote sensing monitoring can be measured and drawn in a deep field through an unmanned aerial vehicle and the like, the remote sensing monitoring system has the advantages of convenience, rapidness, low cost and almost no risk of injury of personnel, the obtained comparison information of the scale, the size, the range and the like of landslides before and after an earthquake occurs is generally obtained, the period is long, therefore, for emergency situations such as earthquake landslide real-time early warning and emergency rescue, basic data such as the scale, the size, the range and the like of landslides after the earthquake occurs need to be rapidly obtained, and the basic data can be only carried out through field dynamic continuous monitoring.
The dynamic continuous monitoring of the earthquake landslide field generally comprises the steps of arranging a series of sensors in advance at a monitored landslide site where secondary disasters of the earthquake landslide easily occur, judging the scale, size, range and other conditions of the landslide according to parameters such as acceleration, displacement, low-sound wave frequency spectrum and the like fed back by the sensors, and providing research data for deep research, emergency rescue, disaster reconstruction, risk assessment and early warning of the earthquake landslide basic theory. For example, "application of 3S technology to landslide monitoring" (proceedings of the university of changjiang sciences, vol. 22, No. 5, Wangzhong Wang, etc. in 10/2005), "multisource data analysis and evaluation method of landslide hazard" (Earth information science, vol. 10, No. 6, Zhang Jun, etc. in 12/2008) and "potential landslide identification model based on Earth multisensor network information" (proceedings of Earth science and Environment, vol. 35, No. 1, well era, etc. in 3/2013) mention a variety of systems and methods for measuring and predicting earthquake landslide hazard.
However, the disaster measurement method for constructing the earthquake landslide measurement network by using multiple sensors has the disadvantages of unsatisfactory measurement effect in practical application, single measurement content, low precision, high labor intensity and the like, and the precision measurement method needs to use precision equipment, has the advantages of high precision, simplicity, practicability and low labor intensity, but has higher cost and is limited by a plurality of external conditions. Generally, after an earthquake occurs, a part of preset sensors are physically damaged due to the earthquake or earthquake landslide soon, and a part of the sensors still have intact functions, but most of the sensors cannot continue to work soon due to the damage of power supply lines or the burying of signal transmission equipment and the like. The consequences are that the field dynamic continuous monitoring data can be interrupted, real-time early warning cannot be realized, the scale, size, range and the like of landslide cannot be rapidly measured, the buried pressure quantity and property loss of personnel cannot be rapidly estimated, and the time efficiency and efficiency of emergency rescue and disaster relief can be directly influenced. This is not imaginable in society that now advocates human-oriented, first-life society. Moreover, the sensors arranged in large numbers are expensive devices, but the time for obtaining valid data becomes very short due to the failure to work or to transmit signals due to power failure, which is uneconomical and unacceptable for limited expenditure. And the landslide secondary disaster after the earthquake is possibly generated continuously, and related personnel cannot go to a landslide place which is still very dangerous to maintain or replace under the condition that the sensor does not work or cannot transmit signals. Therefore, how to fully and efficiently utilize any information provided by all monitoring devices is a key problem that must be solved.
Disclosure of Invention
The object of the present invention is to provide a method for measuring a landslide, which reduces or avoids the above mentioned problems.
In order to solve the technical problem, the invention provides a landslide measuring method which is used for providing information for landslide hazard early warning through a plurality of sensors arranged at a detected landslide site, wherein each sensor is provided with a storage battery and a wireless transmitting device; the wireless transmitting equipment is provided with a flexible cable connected with the storage battery and a flexible data line connected with the sensor; the wireless transmitting device is bound and connected with an inflatable balloon which can be filled with gas lighter than air through a compressed air tank; the wireless transmitting equipment is fixedly connected to the compressed gas tank; the inflatable balloon is connected with a traction rope; the method comprises the following steps:
step A: constructing a three-dimensional model map of a detected landslide location, numbering the sensors and marking a set location corresponding to the numbering on the three-dimensional model map;
and B: recording the number of a sensor which stops working and the time for stopping the sensor when the landslide occurs, and highlighting the setting place corresponding to the number on the three-dimensional model map;
and C: dividing the three-dimensional model map into a plurality of areas according to contour lines with vertical intervals of H, and calculating the average value T of the time for stopping the sensor in each area;
step D: dividing the absolute value of the difference value of the average value T of the stop time of the adjacent areas by the vertical interval H to obtain a vertical landslide speed reference value V for landslide hazard early warningH。
Preferably, the step D further includes calculating an average gradient θ of the adjacent area using the three-dimensional model map, dividing the vertical interval H by sin (θ) to obtain an average landslide length L, and dividing the average landslide length L by an absolute value of a difference between the average values T of the idle times of the adjacent areas to obtain a landslide speed reference V for landslide hazard warningL。
Preferably, the method further comprises the step of subtracting the deactivation time of the sensor which is deactivated earliest from the current time to obtain the landslideTime reference value TSUsing said landslide time reference value TSMultiplied by said vertical landslide velocity reference value VHObtaining a vertical landslide reference distance SH。
Preferably, the method further comprises the step of using the landslide time reference value TSMultiplied by said landslide speed reference value VLObtaining a landslide reference distance SL。
Preferably, each said inflatable balloon is marked with said number of the corresponding said sensor.
The measuring method can utilize the sensor which stops working to calculate and obtain the information which can be used for landslide disaster early warning, provide the information for judging the conditions of scale, size, range and the like of the landslide, can utilize the waste heat of the sensor to the greatest extent, and greatly saves the cost.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,
FIG. 1 is a schematic diagram illustrating an embodiment of a landslide measurement method according to an embodiment of the present invention;
fig. 2 is a schematic diagram showing a module for detecting sensor damage in a landslide measuring method according to another embodiment of the present invention.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
Referring to fig. 1, there is shown an implementation schematic diagram of a landslide measuring method according to an embodiment of the present invention, which is a method for monitoring earthquake landslide disasters, and provides information for earthquake landslide disaster warning using a plurality of sensors installed at a detected landslide location according to characteristics of the earthquake landslide, such as its abruptness, complexity, and motion pattern diversity.
As described in the background section, in the prior art, a preset sensor is usually used to detect parameters such as acceleration, speed, displacement, and low-sound wave spectrum of an earthquake landslide to determine the scale, size, and range of the landslide, so as to provide research data for deep research, disaster reconstruction, risk assessment, and early warning of the earthquake landslide basic theory. Then, once an earthquake landslide occurs, most of these sensors fail to operate quickly, and unfortunately, as precise and expensive equipment, such failure is all the more so, and the present invention inventively provides a method for using the sensors that fail to operate to continue to provide information for determining the size, extent, etc. of the landslide.
Referring to fig. 1, the landslide measuring method of the present invention includes the steps of:
step A: and constructing a three-dimensional model map of the detected landslide point, numbering the sensors and marking the set points corresponding to the numbers on the three-dimensional model map. In fig. 1, for the sake of clarity, only five sensors are shown, indicated with numbers P1, P2, P3, P4, P5, which are arranged on a slope with a certain gradient. The three-dimensional model map can be a paper map or a three-dimensional simulation map electronically displayed on a computer.
And B: and recording the number of the sensor which stops working and the time for stopping the sensor after the landslide occurs, and highlighting the setting place corresponding to the number on the three-dimensional model map. In this step, assuming that the four sensors in fig. 1 stop working, respectively, P2, P3, P4 and P5, since the drawings herein are schematic diagrams for patent applications, the positions of the four sensors stopping working cannot be highlighted by colors or electrons, but those skilled in the art should easily understand from the text that the four positions are highlighted to facilitate the next calculation.
And C: dividing the three-dimensional model map into a plurality of areas according to contour lines with vertical intervals of H, and calculating the average value T of the time for stopping the working of the sensors in each area. For clarity, only two adjacent regions are shown in FIG. 1 at a vertical spacing H, with three sensors in the upper region at positions P1, P2 and P3, and two sensors in the lower region at positions P4 and P5, respectively. The time of deactivation of the sensors of the upper zone is the average operating time calculated from the deactivation times of the two deactivated sensors at the positions P2 and P3; the time of deactivation of the sensors of the lower zone is the average operating time calculated from the deactivation times of the two deactivated sensors at the positions P4 and P5.
Step D: dividing the absolute value of the difference value of the average value T of the stop time of the adjacent areas by the vertical interval H to obtain a vertical landslide speed reference value V for landslide hazard early warningH. Since landslides are generally unlikely to occur simultaneously over a large area, disasters typically occur by sliding down a mountain from top to bottom. In step C, after the average value T of the time for stopping operation for each area is calculated, actually, one averaging process is performed for each area, and as shown in fig. 1, after the upper area is averaged, it is assumed that the sensor for stopping operation is located at the middle position S1 of the area, and similarly, after the lower area is averaged, the sensor for stopping operation is also located at the middle position S2 of the area, so that the vertical interval after the averaging of the two adjacent areas and the sensor for stopping operation is still H, and the vertical landslide velocity reference value V is calculated from this vertical interval HHThe results are also easy to be organized.
It will be appreciated by those skilled in the art that the above steps of the present invention are merely a simplified and exemplary calculation process, which, although inaccurate, may be used to obtain information useful for landslide hazard warning by using a sensor that has stopped working to continue to provide information for determining the scale, size, extent, etc. of a landslide. For example, the reference value V can be based on the vertical landslide speedHThe size of the landslide is estimated to obtain the scale and the strength of the landslide, the size and the range of the landslide can be further estimated by utilizing subsequent further calculation, and then, the number of buildings, farmlands and the like in an influence range can be rapidly calculated by matching with a remote sensing image map, so that reference can be further provided for disaster early warning, emergency rescue and relief.
Further, in another specific embodiment, in step D, the method may further include calculating an average slope θ of the adjacent areas by using a three-dimensional model map, dividing the vertical interval H by sin (θ) to obtain an average landslide length L, and dividing the average landslide length L by an absolute value of a difference between the average values T of the stop times of the adjacent areas to obtain a landslide speed reference value V for warning of landslide hazardL. Compared with the previous embodiment, the present embodiment is more precise, and the previous embodiment still has a certain reference value for the estimation under the condition of a larger gradient, but the scheme of the previous embodiment is very rough for the landslide with a gentle gradient and slow movement. In the embodiment of fig. 1, the average gradient θ between the intermediate positions S1 and S2 after the upper and lower averages is used as an approximate gradient, and it should be understood by those skilled in the art that the average gradient θ of the adjacent regions can be accurately calculated by a computer through three-dimensional map, but the accurate calculation is not actually necessary for the warning purpose of the present invention.
In addition, to further obtain the range of landslide, the aforementioned vertical landslide speed reference value V may be utilizedHAnd a landslide speed reference value VLCorrespondingly obtaining vertical landslide reference capable of being used for landslide disaster early warningDistance SHAnd a landslide reference distance SLThe details are as follows.
That is, the landslide time reference value T is preferably obtained by subtracting the deactivation time of the sensor that is deactivated earliest from the current timeSUsing a landslide time reference value TSMultiplied by a vertical landslide velocity reference VHObtaining a vertical landslide reference distance SH. Or preferably, with said landslide time reference value TSMultiplied by a reference value V of landslide speedLObtaining a landslide reference distance SL. The vertical distance of the landslide and the slope distance can be roughly estimated by obtaining the two parameter information, so that the current landslide area range can be known conveniently, and great help is provided for next early warning and disaster relief.
The method can utilize the waste heat of the sensor to the greatest extent, greatly saves the cost, and can know the stop of the sensor instantly, for example, once the data center cannot receive the signal of the sensor, the stop of the sensor can be basically judged, and the stop time can be accurately recorded. Of course, it is not clear whether the actual situation is that the sensor is totally damaged or that the signal is blocked. Therefore, the invention also provides the following scheme for judging whether the sensor is really damaged.
Fig. 2 is a schematic diagram showing a module for detecting sensor damage in a landslide measuring method according to another embodiment of the present invention. As shown, each sensor 100 is provided with a battery 101 for supplying power thereto, and in addition with a wireless transmission device 102 for transmitting the signal of the sensor 100 to the data center; the wireless transmitting device 102 is provided with a flexible cable 103 connected with the storage battery 101 and a flexible data line 104 connected with the sensor 100; the wireless transmitting device 102 is bound to an inflatable balloon 105, and the inflatable balloon 105 can be filled with lighter-than-air gas through a compressed gas tank 106, i.e. the inflation port of the inflatable balloon 105 is connected to the outlet port of the compressed gas tank 106 filled with lighter-than-air gas.
In the above-mentioned solution of the present invention, the battery 101 may be used to supply power to the sensor 100 and the wireless generating device 102, and once a landslide occurs, the circuit for supplying power to the sensor 100 from the battery 101 is disconnected due to the influence of the landslide, and the solenoid valve provided in the power supply circuit may be automatically activated to start inflating the inflatable balloon 105 (which will be further described later). Alternatively, a vibration-triggered switch (not shown) may be provided that is triggered by the kinetic energy of a landslide impact to inflate the compressed gas tank 106 with the inflatable balloon 105 when the sensor 100 is impacted by a landslide.
In the embodiment of fig. 2, the inflatable balloon 105 is only a schematic representation and in practice will be bulky enough to carry the second wireless transmitting device 102 off the ground when inflated. The inflatable balloon 105 of the present embodiment is configured to lift the wireless transmitting device 102 to a certain height through the inflatable balloon 105 when a landslide hazard occurs, so that the wireless transmitting device can smoothly transmit the monitoring signal of the sensor 100, and once the inflatable balloon 105 is found to be lifted, the landslide at the place is affected, and the inflatable balloon 105 can be actually used for judging the landslide situation at the place and estimating the range of the landslide.
That is, the inflatable balloons 105 floating in the air are a very striking target and are easily viewed at a distance, and in a preferred embodiment, the number of the corresponding sensor 100 may be marked on each inflatable balloon 105, and the position of the sensor 100 that is out of service may be marked on the three-dimensional model map using the number on the inflatable balloon 105 floating in the air. Because the balloon is only influenced by the sensor when being lifted, if signals cannot be received at the same time, the sensor marked by the balloon does not work normally, so that the floating positions, the number and the distribution conditions of the balloons at the positions can intuitively obtain preliminary landslide field information, the initial landslide field information can be used for indirectly providing monitoring information, and the method is a preferred design for achieving two purposes. Meanwhile, whether the sensor is really damaged or not can be judged by utilizing the phenomenon that the balloon rises and whether the signal sent by the sensor can be received or not.
In another embodiment, a solenoid valve 107 may be connected between the compressed gas tank 106 and the inflatable balloon 105 for automatically initiating the automatic inflation of the inflatable balloon 105, and the solenoid valve 107 may be disposed in the line (similar electrical connections are not shown, but will be understood by those skilled in the art based on the description herein) that the battery 101 powers the sensor 100, or may be turned on by the aforementioned vibration switch. When a landslide occurs, the inflatable balloon 105 may be raised into the air with the wireless transmitting device 102 by the above-described design, thereby providing unobstructed transmission functions, indicating the location of the sensor, and even using whether a signal can be received to determine whether the sensor is actually damaged.
Preferably, as shown in figure 2, the wireless transmitting device 102 is fixedly attached to the compressed gas tank 106, the inflatable balloon 105 is inflated to bring the wireless transmitting device 102, the compressed gas tank 106 and the solenoid valve 107 together off the ground, and the inflatable balloon 105 is kept attached to the sensor 100 on the ground by the flexible cable 103 and the flexible data line 104. In the preferred embodiment, the structure of the inflatable balloon 105, the compressed gas tank 106 and the electromagnetic valve 107 can be simplified without providing an excessive number of connecting pipes, and the compressed gas tank 106 made of a lightweight material, such as an aluminum alloy, can be used without increasing its own weight, so that the entire structure can be easily taken into the air by using the inflatable balloon 105, and if the volume of the inflatable balloon 105 is reduced to reduce the weight, it is possible to provide complicated inflating pipes and a structure for separating the inflatable balloon 105 from the compressed gas tank 106, which may increase the cost greatly. Therefore, the scheme provided by the embodiment has a very simple structure and low cost.
To minimize weight, in a preferred embodiment, the inflatable balloon 105 is further coupled to a pull-cord 108, the pull-cord 108 having a length greater than the length of the flexible cable 103 and the flexible data line 104. The present embodiment is provided for the purpose of securing the inflatable balloon 105 from drifting by using the pull string 108, rather than using both the flexible cable 103 for power and signal transmission and the flexible data line 104 for the purpose of securing the inflatable balloon 105. This is because the flexible cable 103 and the flexible data line 104 for transmitting power and signals have metal core wires, and if they are used for both pulling purposes, their own weights are relatively large. The embodiment uses an additional hauling rope 108 which can be a nylon rope with a very thin and light weight but a very strong strength, and the flexible cable 103 and the flexible data line 104 can use a relatively thin and small strength cable because the pulling and fixing function is not considered, so that part of the weight can be reduced, so that too much light gas is not needed to be carried, and the volume of the inflatable balloon 105 can not be too large, thereby further saving the cost.
It should be appreciated by those of skill in the art that while the present invention has been described in terms of several embodiments, not every embodiment includes only a single embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including technical equivalents which are related to the embodiments and which are combined with each other to illustrate the scope of the present invention.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent alterations, modifications and combinations can be made by those skilled in the art without departing from the spirit and principles of the invention.
Claims (5)
1. A landslide measuring method comprises the steps that information used for landslide hazard early warning is obtained through a plurality of sensors (100) arranged on a detected landslide site, wherein each sensor (100) is provided with a storage battery (101) and a wireless transmitting device (102); the wireless transmitting device (102) is provided with a flexible cable (103) connected with the storage battery (101) and a flexible data line (104) connected with the sensor (100); the wireless transmitting device (102) is bound together with an inflatable balloon (105), and the inflatable balloon (105) can be filled with lighter-than-air gas through a compressed gas tank (106); the wireless transmitting device (102) is fixedly connected to the compressed gas tank (106); the inflatable balloon (105) is connected with a traction rope (108); characterized in that the method comprises the following steps:
step A: constructing a three-dimensional model map of the detected landslide point, numbering the sensors (100) and marking the setting points corresponding to the numbering on the three-dimensional model map;
and B: recording the number of a sensor (100) which stops working and the time for stopping the sensor (100) when a landslide occurs, and highlighting the setting place corresponding to the number on the three-dimensional model map;
and C: dividing the three-dimensional model map into a plurality of areas according to contour lines with vertical intervals of H, and calculating the average value T of the time for which the sensor (100) which stops working in each area stops working;
step D: dividing the absolute value of the difference value of the average value T of the stop time of the adjacent areas by the vertical interval H to obtain a vertical landslide speed reference value V for landslide hazard early warningH。
2. The landslide measurement method of claim 1 wherein said step D further comprises calculating an average slope θ of adjacent said areas using said three dimensional model map, dividing said vertical interval H by sin (θ) to obtain an average landslide length L, dividing said average landslide length L by an absolute value of a difference of an average T of said out-of-service times of adjacent said areas to obtain a landslide velocity reference V for landslide hazard warningL。
3. The landslide measurement method of claim 1, further comprising the step of subtracting the deactivation time of the sensor (100) that was deactivated earliest from a current time to obtain a landslide time reference value TSUsing said landslide time parameterTest value TSMultiplied by said vertical landslide velocity reference value VHObtaining a vertical landslide reference distance SH。
4. A landslide measurement method as claimed in claim 3 further comprising the step of using said landslide time reference value TSMultiplied by said landslide speed reference value VLObtaining a landslide reference distance SL。
5. The landslide measurement method of any one of claims 1-4 wherein each of said inflatable balloons (105) is marked with said number of the corresponding said sensor (100).
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| CN201610879486.XA CN106645632B (en) | 2015-04-07 | 2015-04-07 | A kind of landslide measurement method |
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| CN201610879486.XA CN106645632B (en) | 2015-04-07 | 2015-04-07 | A kind of landslide measurement method |
| CN201510161806.3A CN104715578B (en) | 2015-04-07 | 2015-04-07 | Seismic landslide hazard measuring method |
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| CN201610878817.8A Expired - Fee Related CN106645631B (en) | 2015-04-07 | 2015-04-07 | A method of it is measured for Earthquake-landslide disaster |
| CN201510161806.3A Expired - Fee Related CN104715578B (en) | 2015-04-07 | 2015-04-07 | Seismic landslide hazard measuring method |
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| CN201610878837.5A Expired - Fee Related CN106297197B (en) | 2015-04-07 | 2015-04-07 | A method of for measuring Earthquake-landslide |
| CN201610878817.8A Expired - Fee Related CN106645631B (en) | 2015-04-07 | 2015-04-07 | A method of it is measured for Earthquake-landslide disaster |
| CN201510161806.3A Expired - Fee Related CN104715578B (en) | 2015-04-07 | 2015-04-07 | Seismic landslide hazard measuring method |
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| CN106327803B (en) * | 2016-08-16 | 2018-06-19 | 辽宁工程技术大学 | A kind of weighting markov landslide method for early warning based on mean-standard deviation |
| CN108182338A (en) * | 2018-03-19 | 2018-06-19 | 重庆大学 | Non- rock slope horizontal ground motion amplification coefficient determines method and Seismic Design Method |
| CN108492531B (en) * | 2018-03-21 | 2019-09-06 | 遵义师范学院 | A kind of disaster early warning system and installation method based on wireless sensor network |
| CN109785585A (en) * | 2019-01-31 | 2019-05-21 | 山东盛隆安全技术有限公司 | Based on optical fiber sensing network monitoring and pre-warning system and method |
| RU2724386C1 (en) * | 2020-02-14 | 2020-06-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Чувашский государственный университет имени И.Н. Ульянова" | Mechatronic profilograph |
| CN115480044B (en) * | 2022-09-19 | 2023-12-05 | 青海省第三地质勘查院 | Mountain landslide geological disaster early warning device and application method thereof |
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| JP2007155550A (en) * | 2005-12-06 | 2007-06-21 | Oki Electric Ind Co Ltd | System for detecting collapse of sloping land |
| CN101398968B (en) * | 2008-10-31 | 2010-12-29 | 重庆交通大学 | Mud-stone flow disaster alarm method for highway |
| CN101692129B (en) * | 2009-09-09 | 2014-06-18 | 杨人光 | Environmental disaster monitoring and forecasting system |
| KR101061724B1 (en) * | 2009-10-19 | 2011-09-02 | 한국지질자원연구원 | Rotary soils detecting device and soils detecting method |
| CN101906771B (en) * | 2010-08-03 | 2012-04-25 | 中交天津航道局有限公司 | Three-dimensional soil texture analyzing method for assisting survey, design and construction of dredging engineering |
| CN202075836U (en) * | 2011-05-19 | 2011-12-14 | 赵红 | Geological deformation and slip early warning system |
| CN202352024U (en) * | 2011-12-06 | 2012-07-25 | 四川久远新方向智能科技有限公司 | System for monitoring geological disasters |
| CN102607488B (en) * | 2012-02-23 | 2014-12-03 | 中国科学院力学研究所 | Device and method for monitoring displacement deformation of sliding surface of landslip |
| CN102829728A (en) * | 2012-09-04 | 2012-12-19 | 中铁二院工程集团有限责任公司 | Comprehensive monitoring system for side slope and landslip |
| CN102914630A (en) * | 2012-10-11 | 2013-02-06 | 中山大学 | Multi-scale mechanical testing system for rock water-force-coupled rheological damage |
| CN203025912U (en) * | 2012-12-28 | 2013-06-26 | 中铁二十四局集团有限公司 | Anti-sloughing alarming system for high-danger side slope |
| 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 |
| CN203259528U (en) * | 2013-04-09 | 2013-10-30 | 西南交通大学 | High-speed slide setting-out mechanism testing device |
| CN103217512B (en) * | 2013-04-11 | 2015-12-02 | 中国科学院力学研究所 | A kind of experimental device with physical landslide model |
| CN103313342B (en) * | 2013-05-20 | 2016-12-28 | 南京邮电大学 | Many transistroutes of low latitude relay system set up scheme |
| CN103472207B (en) * | 2013-09-30 | 2015-05-20 | 福州大学 | Equivalent looseness measuring method used for mountain landslide early warning |
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| CN106297197B (en) | 2018-07-17 |
| CN106645631B (en) | 2018-11-16 |
| CN104715578A (en) | 2015-06-17 |
| CN106645631A (en) | 2017-05-10 |
| CN106645632A (en) | 2017-05-10 |
| CN106297197A (en) | 2017-01-04 |
| CN104715578B (en) | 2017-01-18 |
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