Residual Subsidence Prediction of Abandoned Mine Goaf Based on Wavelet Support Vector Machines


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The prediction of residual subsidence is the fundament of stability evaluation of buildings foundation in the abandoned mine goaf, so how to get the residual subsidence with high precision is significant to reclaim the goaf for buildings. In this paper, a novel prediction model named wavelet support vector machines (WT-SVM) is proposed to forecast residual subsidence. Aiming at the stochastic fluctuation of the subsidence series, the measured data of residual subsidence were separated into components, namely, trend, oscillating sequence and stochastic signal, via wavelet multi-resolution analysis; then, the prediction model was established based on SVM regression algorithm, respectively, and the sum of the total corresponding prediction values were regarded as the final results of the residual subsidence. The predicting results of WT-SVM, SVM and BP neural network (BP-NN) were compared by a case study. The conclusions are as follows: WT-SVM model is obviously superior to other models in terms of the aspects of prediction precision, step and stability, which indicates the feasibility and effectivity of WT-SVM in predicting residual subsidence of the abandoned mine goaf.



Advanced Materials Research (Volumes 524-527)

Edited by:

Jianguo Wu, Jie Yang, Nobukazu Nakagoshi, Xixi Lu and He Xu




Z. S. Wang and K. Z. Deng, "Residual Subsidence Prediction of Abandoned Mine Goaf Based on Wavelet Support Vector Machines", Advanced Materials Research, Vols. 524-527, pp. 330-336, 2012

Online since:

May 2012




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