Landslide online monitoring program

Last update time : 2018年1月5日

Author : zhang jie

Landslide online monitoring program

Landslides (landslides) refers to a part of the mountain slope of rock and soil under gravity (including the geotechnical gravity and groundwater hydrostatic pressure) under the action of certain weak structural surface (shear band) to produce shear displacement to the overall slope The role of the bottom of the move and the phenomenon, commonly known as “go mountain”, “collapse”, “slippery”, “slippery soil” is one of the common geological disasters.

In the process of rapid economic development in our country, a great deal of engineering work is required. If we do not carry out any investigation and protection of the geological conditions during the construction activities, geological conditions, mountain slope bodies and hydrological conditions will all be great Changes will lead to an increase in geological disasters, of which the landslide is a very common disaster. Many landslides and landslides that have taken place this year have seriously affected people’s life and property safety. Therefore, many scientific research institutes and enterprises are all discussing and analyzing the causes of landslides and put forward some solutions in light of the problems.

According to a large number of observations and conclusions, resulting in landslides, must meet the following four conditions:

Rock and soil types: loose structure, shear strength and anti-weathering ability, and under the action of water can change the nature of rock, soil. Such as loose cover, loess, red clay, shale, mudstone prone landslides.

Geological conditions: the composition of rock, soil, only by a variety of tectonic surface cut into a discontinuous state, it may have downward sliding conditions.

Terrain and landform conditions: Only in a certain part of the landscape, with a certain slope of the slope, to produce landslides. Slope greater than 10 degrees, less than 45 degrees, the steep slow steep, the upper ring-shaped slope is a favorable landform landslides.

Hydrogeological conditions: Groundwater activities play a major role in landslide formation. Its main functions are as follows: softening rock and soil, reducing the strength of rock and soil, producing hydrodynamic pressure and pore water pressure, eroded rock and soil, increasing rock mass and heavy soil mass, creating floating force on pervious rock. Especially for the slip surface (band) softening effect and reduce the intensity of the most prominent role.

Under the conditions of the four conditions, landslides may occur as long as the evacuation conditions are met. Common inducing factors are: earthquakes, rainfall and snowmelt, surface water erosion, soaking, unreasonable human engineering activities.

Landslide prevention and control should be based on prevention. Monitoring the mountainous areas that may endanger the lives and property of the people is a good method.

SaiYing vein to self-developed Geomative DC law instrument as the core, integrated TDR sensors, rainfall sensors, integration of wireless network technology, cloud platform technology, built into a landslide on-line monitoring system can be prone to landslides in key areas for landslides Remote monitoring. Rainfall sensors can report the situation of precipitation at this site in time, and whether there will be a direct correlation between landslides and soil moisture. In the slope, according to the situation deployment of electricity law instrument product line, regular monitoring of soil resistivity changes, inversions stratum stratigraphic structure and water changes. The TDR sensor in the coaxial cable, you can shift the soil displacement information into electrical signals reported. The Landslide landslide monitoring system is an example of the successful combination of displacement and imaging methods. System diagram is as follows:

The system is mainly composed of the following modules:
1. DC method products;
2. Rainfall meter, TDR and other sensors;
3. Geomornitor r  controller;
4. Power module;
5. Geo Could cloud server;
6. Client software;

Case reference site pictures:

Calificación: 4.3 / 5 (Basada en 7 calificación) ¡Gracias por su calificación!
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Score: 4.2 / 5
Last update time 2018年1月5日

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