1. Cai Q.Y. and Lin J.H. (2002). Pile defect diagnosis based on wavelet analysis and neural networks, Journal of Vibration and Shock, 21(03).
2. Gan H.C., Lu J.H. and Tong J.T. (2006). The application of neural network method in idendifi-cating the defect of foundation piles, Shanghai Geology, 02: 13–15.
3. Hornik K. (1991). Approximation capabilities of multilayer feedforward networks. Neural Networks, 4(2): 251–257.
4. Tam C.M., Thomas K.L. and Tong et al. (2004). Diagnosis of prestressed concrete pile defects using probabilistic neural networks. Engineering Structures, 26: 1155–1162.
5. Wang C.H. and Zhang W. (2003). A neural network model for diagnosing pile integrity based on reflection wave method. Rock and Soil Mechanics, 24(6): 952–956.