Abstract：In order to accurately grasp the deformation law of special landslide, based on the landslide deformation monitoring results, we master the existing deformation characteristics through statistical analysis. Using SOA-MKELM-GRNN model, M-K analysis and Spearman rank test, we analyze the subsequent development characteristics of cumulative deformation sequence, deformation rate sequence and deformation acceleration sequence. The purpose is to fully grasp the deformation law of high-elevation and long-runout bedding rock ancient landslide through deep information mining of various deformation sequences. The results show that in the aspect of existing deformation characteristics analysis, the cumulative deformation of each monitoring point has a continuous increasing trend, and the maximum cumulative deformation has reached 205.51 mm. The deformation rate has a large fluctuation range, and its distribution proportion is relatively large in the range of 1.0-2.5 mm/d. The acceleration sequence value is relatively large in the early stage and slightly small in the later stage, indicating that the deformation acceleration of the landslide is stronger in the early monitoring stage. In terms of the analysis of subsequent deformation development characteristics of the landslide, the cumulative deformation will still further increase, but there is a certain difference in the deformation degree, that is, the development law of subsequent deformation rate and acceleration is inconsistent. The subsequent deformation of C1 and C3 monitoring points is more unfavorable, so we can focus on the subsequent deformation monitoring of this section.
LI Xiaobin,BAI Haijun. Research on Existing Deformation Characteristics and Subsequent Deformation Development Laws of High-Elevation and Long-Runout Ancient Landslide[J]. jgg, 2023, 43(11): 1129-1135.
