Ultrasonic logging instrument for shaft sinking by drilling
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DOI: 10.1016/j.measurement.2018.03.074
Abstract: Abstract Shaft sinking by drilling is widely used in mining, construction and coal industry. Measuring the shaft borehole accurately, is of great importance to the quality in these projects among other factors. This paper proposes… read more here.
Keywords: shaft; sinking drilling; shaft sinking; logging instrument ... See more keywords