Перегляд Mining of Mineral Deposits по темі "penetration rate"
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Analyzing mechanics of rock breaking under conditions of hydromechanical drilling
(Dnipro University of Technology, 2021-09-30)Purpose is to substantiate design factors and technological parameters of next-generation facilities of hydromechanical drilling basing upon the determined features of interaction between breaking pellets and rock ... -
Prediction of tunnel boring machine penetration rate using ant colony optimization, bee colony optimization and the particle swarm optimization, case study: Sabzkooh water conveyance tunnel
(National Mining University, 2020-06-30)Purpose. The purpose of this study is to use a novel approach to estimate the tunnel boring machine (TBM) penetration rate in diverse ground conditions. Methods. The methods used in this study include ant colony optimization ...