Research Article

Theoretical Study and Experiment Validation on Drilling Cutting Weight during the Whole Process of Drilling

Table 2

Statistics of drilling cutting weight in Xinglongzhuang Coal Mine (kg/m).

Monitoring pointDistance ahead of working face (m)
234567891011121314

12.22.52.72.83.03.12.53.62.83.93.54.14.0
21.92.11.82.52.62.42.82.02.42.73.23.02.7
32.22.01.82.61.92.32.92.42.62.52.02.32.8
41.81.82.32.12.22.42.52.43.22.42.83.33.4
52.01.92.32.32.52.72.33.02.92.62.73.42.9
62.11.82.02.32.32.42.72.12.82.62.02.02.7
72.01.92.52.12.32.62.72.12.52.72.22.52.5
81.81.82.12.42.32.01.92.42.21.82.42.02.4
92.72.62.82.52.43.23.63.74.14.34.53.23.8
102.32.01.81.82.72.62.32.23.53.03.33.02.7
111.92.42.52.02.32.52.32.02.82.52.12.83.1
121.72.01.82.22.52.01.82.32.22.42.52.32.6
131.82.42.82.02.72.93.02.63.52.93.13.43.1
142.01.82.42.12.62.21.92.32.72.42.52.53.0
151.71.91.92.32.02.22.52.12.72.32.12.12.5
162.02.62.31.92.42.52.22.62.12.72.82.52.7
171.71.92.32.12.02.42.22.52.72.72.93.13.3
181.51.92.12.01.82.31.92.12.32.52.42.42.6
191.61.61.92.12.12.02.31.92.42.12.32.12.0
201.92.32.12.02.12.12.32.42.11.92.32.42.1
Average1.9402.0602.2102.2052.3352.4402.4302.4352.7252.6452.6802.7202.845