عنوان مقاله [English]
In this article at first NTH and CSM utilization factor prediction models as topics of the empirical and the theory-empirical models are reviewed. Then with notice to structure of the data bank that is used for prediction of utilization, effective parameters on utilization are introduced. With use of two and multi variable statistical analysis some relations are presented for prediction of utilization and on results obtained from theses relations are discussed. In flow with use of Neuro Network the most suitable Network for prediction of utilization is determined and ability of this network in comparison with multi variable statistical analysis and real value of utilization factor is investigated. Prediction of utilization for Gavoshan Tunnel's TBM with Neuro Network is discussed in the latest parts of article.