Table 2 Comparison between the measured subsidence rates from the BYGL coal mine and the predicted results via the calibrated FLAC3D model for the YPH coal mine.

From: A new indicator for estimating the degree of mining-induced land subsidence: the overburden’s average GSI value

Subsidence rate

After mining the 1st panel

After mining the 2nd panel

After mining the 3rd panel

After mining the 4th panel

Measured outcomes from the BYGL coal mine

0.030

0.290

0.370

0.500

Predicted values via the calibrated FLAC3D model

0.035

0.194

0.357

0.502

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