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Application of Semi-Variable Coefficient Model in Prediction of Effective Throwing Rate of Throwing Blasting

The semi-variable coefficient model is a very important kind of semi-parametric model, which has important applications in nonlinear problems. In this paper, the semi-variable coefficient model is applied to the prediction of the effective throwing rate of open blasting. Through the blasting samples collected in the mine, the various design parameters that affect the blasting effect are analyzed using a semi-variable coefficient model. Using the variable coefficients and constant coefficients of the various variables obtained by the semi-variable coefficient model to predict the effective throw rate, compared with other models, the average error of the forecast of the semi-variable coefficient model is less than 3 percent, and the prediction effect is better.