The interpretation of measurements from civil engineering systems

Abstract
The use of knowledge based systems (KBS) to represent the concepts and relations involved in the interpretations of signals obtained from the monitoring and testing of full-scale civil engineering systems is discussed. The requirements of a KBS to assist in the interpretation of measurements are defined. The concept of hierarchical modelling is introduced as a means of enabling the choice of an appropriate level of problem representation within a KBS. A working system is presented for representing shape and value information of signals in an appropriate form. Methods are described using the example of a signal derived from the non-destructive testing of a pile. The use of those representations in a KBS are illustrated.

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