Slope Stability Prediction Method Based on Improved pso-rbf Algorithm
A PSO-RBF, stability prediction technology, applied in neural learning methods, calculations, computational models, etc., can solve problems such as overfitting, local optimization of the PSO algorithm, and slow convergence in the later stage, to avoid mutations.
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[0078] 1. Initialization of Radial Basis Neural Network
[0079] A total of six parameters are selected in terms of landform and topography and stratum lithology, which are one of the factors affecting slope stability, which are gravity, internal friction angle, cohesion, slope angle, pore water pressure, and slope height. The input variable of the network; the training set is established, the normalized data preprocessing is performed, and the slope stability coefficient is used as the output parameter to keep the original data.
[0080] Terrain parameters:
[0081] Slope angle: the size of the inclination of the slope in space, and the acute angle between the slope surface and the horizontal plane. According to relevant research, 86.72% of landslides occur on slopes with a slope of 30°~45°, which shows that the slope angle is one of the important parameters affecting the stability of slopes.
[0082] Slope height: the vertical height from the top of the slope to the horizo...
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