Predicting the shear resistance of RC beams without shear reinforcement using a Bayesian neural network
by Osimen Iruansi; Maurizio Guadagnini; Kypros Pilakoutas; Kyriacos Neocleous
International Journal of Reliability and Safety (IJRS), Vol. 6, No. 1/2/3, 2012

Abstract: Advances in neural computing have shown that a neural learning approach that uses Bayesian inference can essentially eliminate the problem of over fitting, which is common with conventional back-propagation neural networks. In addition, Bayesian neural network can provide the confidence (error) associated with its prediction. This paper presents the application of Bayesian learning to train a multilayer perceptron network to predict the shear resistance of reinforced concrete beams without shear reinforcement. The automatic relevance determination technique was employed to assess the relative importance of the different input variables considered in this study on the shear resistance of reinforced concrete beams. The performance of the Bayesian neural network is examined and discussed along with that of current shear design provisions.

Online publication date: Fri, 16-Dec-2011

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