Soil slope surface displacement monitoring and safety early warning method

Abstract

The invention provides a soil slope surface displacement monitoring and safety early warning method and belongs to the technical field of slope monitoring. The soil slope surface displacement monitoring and safety early warning method comprises the following steps of: 1) arranging laser displacement sensors on a slope to the measured and collecting the distance information between the laser displacement sensors and the fixed monitoring points of the surface of the slope; 2) transmitting the collected data to a remote monitoring center and calculating the displacement of monitoring points of the soil slope and a displacement rate; 3) judging the deformation stage of the soil slope according to calculated results in the step 2 and judging whether the deformation of the soil slope is in a steady deformation stage, or a time-dependent deformation stage or an accelerated failure stage; 4) judging the displacement stability of the soil slope in the time-dependent deformation stage and performing early warning according to judged results. The soil slope surface displacement monitoring and safety early warning method can relatively comprehensively describes nature and the change trend of the monitoring data of slope deformation and can reflect development processes of the slope deformation relatively truly, thereby providing objective basis for finding a deformation abnormal portion of the slope and for evaluating the safety and stability of the slope.

Description

technical field [0001] The invention belongs to the technical field of slope monitoring, and relates to a displacement monitoring and safety warning method for soil slope surface. Background technique [0002] At present, in the research of remote real-time monitoring of highway slopes, how to analyze the displacement data obtained by monitoring has always been a bottleneck that limits the development of remote real-time monitoring technology for highway slopes. Deformation stability is an important aspect of slope safety and stability, and it is of great significance to understand the deformation state of slopes in different periods for evaluating the safety and stability of slopes. Safety monitoring, as a means to correctly evaluate the change process of slope safety state, has been widely used in highway slope engineering gradually. Due to the complexity of the slope problem, it is very important to conduct in-depth research on the theory and method of slope safety monit...

AI Technical Summary

Problems solved by technology

The above methods have played a very good role in landslide early warning and forecasting, but there are many problems when applied to road slopes: first, the maximum value of displacement and other response values ​​is mainly selected based on experience, and after determination is relatively fixed

However, at present, the trend analysis of displacement is mainly based on qualitative analysis, and there is a lack of quantitative judgment standards.

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