Advances in Civil Engineering / 2020 / Article / Tab 17

Research Article

Estimation of Rock Burst Grades Using Rock Mass Strength

Table 17

Comparison of estimation results.

Rock burst estimation from [29] and [34]CHEGI criterionModified criterionActual rock burst grades
Sr. noChainage (km)Overburden (m)Rock burst gradeRock burst gradeGSIRock burst grade

109 + 700.0012001.491.80Heavy1.49Strong470.051StrongHeavy
209 + 675.3012451.471.83Heavy1.47Strong400.059StrongHeavy
309 + 622.6613802.560.86Heavy2.56Medium490.11MediumSlight
407 + 970.7319001.491.60Heavy1.49Strong630.171SlightSlight
507 + 959.8919001.301.83Heavy1.30Strong620.133MediumSlight
607 + 941.7119001.421.68Heavy1.42Strong630.163MediumSlight
707 + 937.2319001.411.70Heavy1.41Strong620.150MediumSlight
807 + 926.1819500.992.42Heavy0.99Violent640.103MediumSlight
907 + 915.5719501.341.78Heavy1.34Strong640.159MediumSlight
1007 + 910.3919501.561.53Heavy1.56Strong650.204SlightSlight
1107 + 907.1219501.401.71Heavy1.40Strong640.168SlightSlight
1207 + 889.0019500.842.84Heavy0.84Violent640.106MediumSlight

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