Results 51 to 60 of about 53,602 (202)

Small Target Detection Model for Open-Pit Coal Mines Based on UAV Perspective

open access: yesIEEE Access
To address issues such as missed detection of small targets, low computational efficiency, and difficulties in deploying on edge devices encountered in the detection of uncrewed mining trucks under the complex environment of open-pit coal mines, this ...
Kuan Lv   +4 more
doaj   +1 more source

Improved differential evolution algorithm for solving open-pit mine transportation problem

open access: yesGong-kuang zidonghua, 2018
Aiming at open-pit mine transportation problem, a mathematical model of the open-pit mine transportation problem was established which took production and transportation capacity of open-pit mine as constraint conditions and the minimum transportation ...
PENG Cheng, SUI Xiaomei, WANG Huiju
doaj   +1 more source

Effect of detonator position on rock fragmentation: Full-scale field tests at Kevitsa open pit mine

open access: yesInternational Journal of Rock Mechanics And Mining Sciences, 2021
The effect of detonator position on rock fragmentation was studied at the Kevitsa open pit mine. Five full-scale field tests were conducted where the blasts were divided into test and reference areas, and compared with each other.
R. Ylitalo   +2 more
semanticscholar   +1 more source

Experimental study on pulse gas presplitting grouting in water-rich muddy silt layer in open-pit coal mine

open access: yesMeikuang Anquan
To address the challenges of non-uniform grout diffusion and the difficulty in forming a continuous water cutoff curtain in water-rich muddy silt layers of open-pit coal mines, a novel method combining high-pressure pulsed gas pre-splitting for soil ...
Yan FENG   +5 more
doaj   +1 more source

Analysis of patterns of the open-pit mine water influx formation in the conditions of the Inhulets iron ore deposit using a three-dimensional geofiltration model

open access: yesE3S Web of Conferences, 2018
The purpose is to study the patterns of groundwater influxe formation within the north-eastern side of the Private Joint-Stock Company “Inhuletskyi hirnycho-zbahachuvalnyi kombinat” (PJSC INHZK) open-pit mine in the conditions of disturbed hydrodynamic ...
Tymoshchuk Vasyl   +2 more
doaj   +1 more source

Temporal and spatial distribution and prevention of dust in mining area based on digital fractal principle

open access: yes矿业科学学报, 2022
In order to reduce the harm of dust dispersion in open-pit coal mine to the mining environment and the damage of personnel and equipment, this paper carried out the research on dust migration, distribution and treatment in open-pit coal mine by taking ...
Zhao Hongbao   +5 more
doaj   +1 more source

An Unmanned Intelligent Transportation Scheduling System for Open-Pit Mine Vehicles Based on 5G and Big Data

open access: yesIEEE Access, 2020
With the maturity of the Internet of Things, 5G communication, big data and artificial intelligence technologies, open-pit mine intelligent transportation systems based on unmanned vehicles has become a trend in smart mine construction.
Sai Zhang   +4 more
doaj   +1 more source

Pumped storage hydropower in an abandoned open-pit coal mine: Slope stability analysis under different water levels

open access: yesFrontiers in Earth Science, 2022
Many coal mines are being abandoned for economic and environmental reasons in China. The repurposing of abandoned open-pit coal mines into pumped storage hydropower (PSH) can help with the storage of renewable energy, improve mine environments, and ...
Feiyue Liu   +8 more
doaj   +1 more source

A mathematical model for open pit mine production scheduling with Grade Engineering® and stockpiling

open access: yesInternational Journal of Mining Science and Technology, 2021
This paper presents the development and implementation of an innovative mixed integer programming based mathematical model for an open pit mining operation with Grade Engineering framework.
Karo Fathollahzadeh   +3 more
semanticscholar   +1 more source

Blasting ore size detection based on efficient dehazing network and multi-dimensional feature fusion

open access: yesScientific Reports
Ore particle size distribution is an important metric for evaluating blasting outcomes and affects the energy consumption of ore crushing equipment. Faced with dense accumulation of ore, nonuniform size distributions, dust occlusion, and target loss due ...
Pingfeng Li   +6 more
doaj   +1 more source

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