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Image-based intelligent control of longwall top coal caving (LTCC) is a critical technology for achieving intelligent coal mining. Its core lies in monitoring the rock mixed ratio (RMR) of coal flow to control the drawing opening.
Jiachen WANG +5 more
doaj +2 more sources
Mechanical and hydraulic performance of sludge-mixed cement grout in rock fractures [PDF]
The objective is to assess the performance of sludge mixed with commercial grade Portland cement type I for use in minimizing the permeability of fractured rock mass.
Khomkrit Wetchasat, Kittitep Fuenkajorn
doaj +3 more sources
A Novel Method of On-Line Coal-Rock Interface Characterization Using THz-TDs
The core problem in unmanned/intelligent working face of coal mining is the automatic adjustment of shearer arm where the coal-rock interface detection is the key.
Jing Yu +3 more
doaj +1 more source
Acid rock drainage passive remediation: Potential use of alkaline clay, optimal mixing ratio and long-term impacts [PDF]
Acid rock drainage (ARD) is one of the most adverse environmental problems of the mining industry. Surface and ground water affected by this pollution are characterized by their acidity and the high content of sulfates and metals/metalloids. In this study, alkaline clay (AC), an industrial waste with a high alkalinity, which is utilized in the alumina ...
Fernando, Plaza +4 more
openaire +2 more sources
Pembinaan konstruk instrumen penilaian pasca penghunian untuk perumahan bertingkat yang dibina menggunakan kaedah Sistem Binaan Berindustri (IBS) [PDF]
Post Occupancy Evaluation (POE) is an activity of the building evaluation process with a focus on quality, operational performance and satisfaction of the occupants. The POE is important to evaluate completed and occupied buildings to identify weaknesses
A. Rahman, M. A. +3 more
core +2 more sources
Breakage law and fractal characteristics of broken coal and rock masses with different mixing ratios during compaction [PDF]
AbstractBroken coal and rock masses are the major part of the goaf. The compaction characteristics of coal and rock masses and the breakage law of whose particles during compaction exert an important influence on various aspects including control of strata motion, prediction of surface subsidence, and backfill mining.
Bo Li +3 more
openaire +2 more sources
The purpose of this experiment was to investigate the feasibility of treating arsenopyrite-containing excavated crushed rock (ECR) in cropland by examining the amounts of arsenic released from various sizes of ECR mixed with soils at different ratios under three water levels using a batch incubation experiment.
Kyo-Suk Lee +2 more
openaire +3 more sources
The use of radial jet drilling (RJD) to exploit unconventional natural gas is an attractive study area. A self‐propelled bit enormously affects the drilling efficiency.
Peng Du +3 more
doaj +1 more source
The deformation, fracture, and movement mode of rock strata are greatly related to underground pressure, surface subsidence, etc. The fracture modes of the thin rock stratum and thick rock stratum are significantly different.
Jianping ZUO +3 more
doaj +1 more source
Response of soil structure and crop yield to soft rock in Mu Us sandy land, China
The sandy land leaks water and fertilizer, and is seriously degraded, while the soft rock has a special depression structure, which plays a role in retaining water and fertilizer.
Jian Zhang, Zhen Guo
doaj +1 more source

