# Analysis of the Dynamic Stability of Tailing Dams:
## 1 Introduction
[14] found that there is a critical state between pore pressure and energy when the cyclic stress ratio is between 0.21 and 0.24, the pore water pressure-energy model of the cyclic stress ratio and consolidation ratio of tailing silt is pre-limarily established. [PERSON] et al. [15] studied the connection between the cumulative plastic strain development mechanism and the energy dissipation of tailing silt and found that with an increase in the cyclic stress ratio, the viscous cumulative energy dissipation rate gradually exceeds the plastic strain cumulative energy dissipation rate. They also analyzed the four types of strain growth modes. Through a dynamic test of silt clay, [PERSON] et al. [16] combined various factors, such as confining pressure, dynamic stress, frequency, and consolidation ratio, and analyzed the influence of these factors and their coupling on the cumulative plastic strain of the sample. [PERSON] et al. [17] considered the influence of an effective confining pressure and dynamic stress ratio on the dynamic strength of the sample through the indoor dynamic triaxial test. They found that at the same dynamic stress ratio, the liquefaction resistance of calcareous sand samples is obviously enhanced by increasing confining pressure. [PERSON] et al. [18] discovered that when the confining pressure and consolidation ratio rise, tailing silt's dynamic elastic modulus rises, whereas the damping ratio decreases. A modified formula for the maximum dynamic shear modulus and modulus attenuation that can normalize the influence of the consolidation ratio was proposed. [PERSON] et al. [19] carried out dynamic triaxial experiments on silt under complex stress paths. Under the same dynamic shear strain conditions, it was discovered that the higher the moisture content, the lower the dynamic shear modulus; in addition, the higher the dry density and confining pressure, the higher the dynamic shear modulus. [PERSON] et al. [20] studied the influence of the dynamic stress ratio and confining pressure on the dynamic characteristics of saturated gravel sand. They found that the cumulative strain and pore water pressure of the samples are different under the conditions of increasing dynamic stress ratio at the same confining pressure and increasing confining pressure at the same dynamic shear stress ratio. Most of the aforementioned research results are aimed at sandy soil with a coarser particle size, while there are relatively few studies on soil particles with a finer particle size, and most tests only consider the influence of a single factor on the dynamic strength of soil (e.g., only the dynamic stress or confining pressure applied to the specimen is changed during the test without considering the interaction between the factors). So, to improve the dynamic stability of a tailing pond, it is necessary to clarify the influence of different factors on the dynamic strength of tailing materials under cyclic load. Therefore, based on the existing research, a series of dynamic tests at different densities and under different consolidation conditions were carried out on tailing silt. The test scheme is innovative and easy to implement. This article further discusses the dynamic characteristics of pore pressure development, softening failure, and energy dissipation of tailing silt, which can serve as a valuable reference for the seismic stability of numerous tailing dams.