Landslide prediction method under rainfall action

Abstract

The invention relates to a landslide space-time prediction method. A landslide catastrophe process of a research position is subjected to space-time prediction by combining a physical conception-based hydrological model and a Bishop slope stability analysis method, and the landslide space-time prediction method is a landslide prewarning and forecasting method which combines soil mechanics, hydraulics and computer numerical simulation. The landslide prediction method has the advantages that a landslide deterministic model and the physical conception-based hydrological model are integrated effectively, the space-time distribution laws of the basin slope stability under the action of rainfall and the qualitative and quantitative relationship of the space-time distribution laws are analyzed, and the basin landslide is analyzed and predicted rapidly and effectively. By adopting the Bishop slope stability analysis method and simultaneously considering the spatial distribution difference in water content of soil mass, the precision and the applicability of the model are improved. The landslide prediction method provided by the invention is suitable for the landslide prediction of a simple side slope, a complex side slope and a basin scale.

Description

technical field [0001] This patent relates to a landslide prediction method under the action of rainfall. By combining the hydrological model based on physical concepts and the Bishop slope stability analysis method, the spatiotemporal prediction of the landslide catastrophe process at the research location is a method that combines soil mechanics, water A Landslide Prediction Method Combining Mechanics and Computer Numerical Simulation. Background technique [0002] my country is an area prone to geological disasters, which cause huge economic losses and casualties every year. As a kind of geological disaster, landslide seriously endangers the production and life of local residents. The early warning and prediction of landslides has always been one of the focuses of engineering research, and its analysis theory is becoming more and more abundant. Still have not achieved high prediction accuracy and generality. The occurrence of landslides is affected by many natural fact...

AI Technical Summary

Problems solved by technology

These models have their own advantages and disadvantages. For example, non-deterministic models are generally applicable to specific research areas. It is difficult to extract information related to landslide geology, mechanics and other external conditions, and cannot perform good physical and mechanical interpretation. Existing The main disadvantage of the deterministic model is that it is difficult to find a model suitable for complex media with multiple uncertainties

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