A novel solution for simulating air overpressure resulting from blasting using an efficient cascaded forward neural network |
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Authors: | Zeng Jie Jamei Mehdi Nait Amar Menad Hasanipanah Mahdi Bayat Parichehr |
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Affiliation: | 1.Department of Transportation and Municipal Engineering, Chongqing Jianzhu College, Chongqing, 400072, China ;2.Faculty of Engineering, Shohadaye Hoveizeh University of Technology, Dasht-e Azadegan, Susangerd, Iran ;3.Département Études Thermodynamiques, Division Laboratoires, Sonatrach, Boumerdes, Algeria ;4.Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam ;5.Department of Mining, Faculty of Engineering, Tarbiat Modares University, 14115-143, Tehran, Iran ; |
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Abstract: | Air overpressure (AOp) is a hazardous effect induced by the blasting method in surface mines. Therefore, it needs to be predicted to reduce the potential risk of damage. The aim of this study is to offer an efficient method to predict AOp using a cascaded forward neural network (CFNN) trained by Levenberg–Marquardt (LM) algorithm, called the CFNN-LM model. Additionally, a generalized regression neural network (GRNN) and extreme learning machine (ELM) were employed to demonstrate the accuracy level of the proposed CFNN-LM model. To conduct the CFNN-LM, GRNN, and ELM models, an extensive database, related to four quarry sites in Malaysia, was used including 62 sets of dependent and independent parameters. Next, the performances of the aforementioned models were checked and discussed through statistical criteria and efficient graphical tools. Finally, the results showed the superiority of CFNN-LM (R2 = 0.9263 and RMSE = 3.0444) over GRNN (R2 = 0.7787 and RMSE = 5.1211) and ELM (R2 = 0.6984 and RMSE = 6.2537) models in terms of prediction accuracy. Furthermore, three different regression analysis metrics were used to perform the sensitivity analysis, and according to the obtained results, the maximum charge per delay ((beta) = 0.475, SE = 0.115, t-test = 4.125) was considered as the most influential feature in modeling the AOp. |
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