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A new idea was put forward for chaotic characteristics and time-variable law of surface subsidence of goaf by means of EMD and prediction methods of chaotic. Problems of space reconstruction of IMFS, establishment chaotic prediction model and application of model were discussed. EMD-SVM methods were used for modeling and predicting the goaf subsidence. The result of the simulation experiment shows...
On the basis of engineering geological analysis method, the stability of a certain steel plant foundation in the underlying mined-out area is evaluated. In accordance with the loading concentration of steel plant structures and their importance, a classification is carried out and different grouting treatment measures are used accordingly. Afterwards, XB-160-foot vibrating wire strain gauges and XBHV-10-foot...
Surface deformation of goaf is a complex non-linear process, which has a hidden, complexity, and long-term features. Before building the life or service facilities in the goaf, we must have evaluated the stability and residual. In this paper, a new idea was put forward for stability analysis and evaluation of goaf by multi-scale decomposition using EMD(Empirical Mode Decomposition) method. Case study...
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