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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 34
DEVELOPMENTS IN NEURAL NETWORKS AND EVOLUTIONARY COMPUTING FOR CIVIL AND STRUCTURAL ENGINEERING Edited by: B.H.V. Topping
Paper I.2
The Use of Artificial Neural Networks in Pile Integrity Testing J.N. Watson, C.A. Fairfield, C. Wan and A. Sibbald
Department of Civil and Transportation Engineering, Napier University, Edinburgh, UK J.N. Watson, C.A. Fairfield, C. Wan, A. Sibbald, "The Use of Artificial Neural Networks in Pile Integrity Testing", in B.H.V. Topping, (Editor), "Developments in Neural Networks and Evolutionary Computing for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 7-13, 1995. doi:10.4203/ccp.34.1.2
Abstract
The interpretation of a frequency response spectrum in the
non-destructive testing of concrete foundation piles is
essentially a pattern recognition problem. This paper
examines the possibility of using a feed-forward, multilayer,
artificial neural network (ANN) to identify and locate
changes in the pile's cross section so automating some of the
duties more usually undertaken by an expert analyst. The
network is trained through the Back Propagation (BP)
learning algorithm to detect a fault's length and position
from the difference in its spectral components to a sound pile
of identical dimensions. The phase information from the
suspect pile is later included to enable the network to
differentiate between types of fault; namely necking and
overbreak. A full study of the network architecture and
learning parameters' effect on eventual system performance
is presented and samples of the network response are given.
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