Pile signal de-noising testing based on wavelet analysis

The Piles are abroad in various engineering field as common used foundation format and make certain social and economic benefits. However, with the extensive application of the pile foundation, problems brought by the quality of pile are becoming more and more Prevalent. On the foundation of sufficiently presentation wavelet theory, this paper applied wavelets to erase noise of foundation pile signal, and analyses signal by multi-resolution analysis. The results show that this analysis contributes to correctly identify the foundation pile integrity.