8 results about "Landslide" patented technology

The invention relates to an ecological slope protection structure for an ion rare earth mine. The ecological slope protection structure is characterized in that bamboo frames are distributed on an inclined slope surface of a side slope and are pressed into soil; each bamboo frame is prepared from bamboo frame strips in longitudinal and horizontal directions through fixing together, and the bamboo frame strips with upward concave surfaces are distributed on the inclined slope surface of the side slope; through holes are formed in the bamboo frame strips, and drain pipes are distributed at the through holes and inserted into the soil of the inclined slope surface of the side slope; slope base drainage ditches are distributed at the bottom of the inclined slope surface of the side slope, and side drainage ditches are distributed on the upper, left and right edges of the inclined slope surface of the side slope and communicate with the slope base drainage ditches; trees are planted on the step-slope leveled land; bamboo piles are beaten into the inclined slope surface of the side slope, the slope base and the step-slope leveled land respectively; a first section of bamboo joint is reserved at the upper part of each bamboo pile, an ecological planting bag is arranged in the bamboo pile above the first section of bamboo joint, and water seepage holes are formed in the bamboo pile walls; each ecological planting bag is formed by wrapping a grass seed base material into geotechnical cloth. The ecological slope protection structure can be used for preventing and controlling side slope landslide, is low in construction cost, and realizes ecological and environmental protection.

The invention discloses a dangerous rock body landslide monitoring method based on characteristics and relates to the dangerous rock body landslide technology field. The method comprises steps that a local curved surface fitting method is employed, and a surface normal of reference point cloud data is determined; a point of the reference point cloud data is taken as a circle center of a circular column bottom circle, the surface normal direction of the reference point cloud data is taken as an axis of a circular column, and the circular column is determined according to a radius and axis length; comparison point cloud data of the circular column is projected to the axis of the circular column, through calculating the average position of projection points, a gravity center of the comparison point cloud data in the circular column is determined; through calculating a distance between the point of the reference point cloud data and the gravity point of the comparison point cloud data in the circular column, deformation quantity of the comparison point cloud data relative to the reference point cloud data is determined, and thereby a dangerous rock body landslide motion trend is determined. The method is advantaged in that a rapid comparison algorithm based on point cloud is proposed, environment restrictions can be prevented, three-dimensional deformation can be acquired, an algorithm structure is simple and convenient, and data processing efficiency is high.

The invention provides a mountain landslide disaster monitoring method and system, and an image data acquisition device of the mountain landslide disaster monitoring system. An image data acquisitiondevice comprises a camera module, a tripod head and a control terminal, wherein the camera module is fixedly mounted on the tripod head, and the tripod head is fixedly connected with a vehicle ceilingthrough a supporting frame below the tripod head; the control terminal is fixedly mounted inside a vehicle and is respectively and electrically connected with the tripod head and the camera module through leads; the control terminal is provided with a human-computer interaction interface, the angle of the tripod head is adjusted by the human-computer interaction interface so as to drive the camera module for shooting to-be-monitored mountain image data to be aligned with to-be-monitored mountains provided with marking targets. The mountain landslide disaster monitoring method and system, andthe image data acquisition device of the mountain landslide disaster monitoring system, provided by the invention, have the benefits that the related image data is obtained by the image data acquisition device mounted on a special vehicle and the fixed marking targets arranged on the mountains on the two sides of a highway, and the possibility of the disaster is analyzed according to the displacement of a target center in the image data.

The invention discloses a landslide displacement monitoring device and method based on GNSS and MEMS sensors, the monitoring device comprises a base, a mounting block and an adjusting plate, the top of the base is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a threaded sleeve. The invention further provides a landslide displacement monitoring method which comprises the following steps: step 1, monitoring the displacement data of the landslide through the monitoring mechanism, and then sending the monitoring data to the processor through technologies such as remote wireless transmission; 2, the data are sent to a remote control center through a signal transmitter to be analyzed and processed, and real-time automatic analysis and early warning and automatic sending of early warning information are achieved; and 3, the signal receiver receives a remote control instruction, each module is controlled to start, and the angle of the adjusting plate is adjusted, so that the landslide is monitored more flexibly. According to the landslide monitoring equipment, through arrangement of the remote control adjusting mechanism, the adjusting plate can be freely adjusted, so that the use effect of the landslide monitoring equipment is improved.

The invention discloses a method for constructing anti-slide piles in a creep deformation landslide mass. The method comprises the following steps that soil body inclinometer pipes are arranged on theupper middle portion of the landslide mass so as to detect the state of the landslide mass in good time; slope toe anti-slide piles are constructed at the slope toe positions of the landslide mass toreinforce the landslide mass; a prestress anchor cable and an anchor cable frame beam are constructed in the middle of the landslide mass; the multiple anti-slide piles in the landslide mass are sequentially constructed at the rock clamping position in a tunnel, the construction principle of hole-separation jump excavation and pile hole staggering is adopted in the multiple anti-slide piles in the landslide mass for construction, the excavation depths of the same batch of pile holes cannot be on the same plane, the excavation depths of the pile holes are staggered by a certain distance, and therefore the risk of secondary landslide is reduced; and monitoring devices such as concrete strain gauges and pressure box monitoring alarms are arranged in the anti-slide piles in the landslide mass, the ground surface and the interior of the landslide mass can be monitored at the same time through the monitoring devices, the state of the landslide mass can be obtained in good time, reliable information parameters are provided for construction, and the construction safety is ensured.

The invention discloses a reinforcement structure of an anti-slide pile of a landslide in a highly seismic area and a construction method. The reinforcement structure includes the anti-slide pile arranged on a landslide body and anchoring parts located on the upper side of the landslide body, wherein a widening structure is arranged in the position, located on the upper side of the landslide on the sliding surface, of the anti-slide pile, one side of the widening structure is located above the sliding surface, the other side of the widening structure is located below the sliding surface, the widening structure is provided with stiffening ribs, the stiffening ribs are arranged in the height direction of the widening structure in a penetrating mode, and the anchoring parts are connected to the widening structure. By using the reinforcement structure, the anti-slide pile near the sliding surface is provided with the widening structure, the stiffening ribs are embedded, the widening structure can increase the shear-bearing capacity of the anti-slide pile, and the stiffening ribs can greatly increase the anti-bending capacity of the anti-slide pile, so that the most unfavorable positionof the anti-slide pile is strengthened under a strong earthquake. The anchoring parts can enhance the anti-slide capacity of the anti-slide pile, and thus the project investment can be saved; and thearrangement of the widening structure increases the construction space of the anchoring parts, and the fast and convenient construction of the anchoring parts can be realized.

The invention discloses a high-universality landslide displacement rate early warning method, which comprises the following steps: S100, collecting historical landslide data of different landslide regions before and after landslide, and preprocessing the historical landslide data; s200, training a large neural network model by adopting historical landslide data, and performing knowledge distillation on the trained large neural network model to obtain a small neural network model; s300, dividing the landslide risk area into a plurality of easy landslide points, collecting historical landslide data of each easy landslide point where landslide has occurred, preprocessing the historical landslide data, and training and finely tuning the small neural network model by using the historical landslide data to obtain a small neural network model corresponding to the landslide risk area; and S400, preprocessing the real-time landslide data of each easy landslide point in the landslide risk area, and inputting the preprocessed data into the small neural network model for early warning. According to the method, the accuracy is improved while the early warning complexity is reduced, and the universality is extremely high.

The invention discloses a measuring device and method suitable for a slip mass depth gradient. The measuring device comprises a measuring unit and an exploring tube for packaging the measuring unit, wherein the measuring unit comprises a dual-axis acceleration sensor vertically packaged in a capsulated shell, a microprocessor and a data transmission circuit sequentially connected with the dual-axis acceleration sensor, and a supply circuit connected with the dual-axis acceleration sensor, the microprocessor and the data transmission circuit at the same time. According to the measuring device and method suitable for the slip mass depth gradient provided by the invention, a plurality of measuring devices are arranged in the same vertical shaft in a cascade connection way, and a deviation angle of each measuring point is simply and quickly calculated through acquiring the gravitational acceleration of each measuring point, so that a landslide surface is accurately confirmed. According to the measuring device and method suitable for the slip mass depth gradient provided by the invention, the quantity and the positions of the measuring devices can be flexibly adjusted according to an actual monitoring object, the construction is simple and convenient, higher antijamming capability is achieved, and the accuracy and the effectiveness of data acquisition are ensured.