Table 2 Comparison of numerical simulation, microseismic monitoring and theoretical calculation results.

From: Theoretical framework and reliability verification of the loaded three-zone structural model in coal mine overburden strata

Methodology

Peak advance abutment pressure /MPa

Advance influence scope /m

Belt tunnel

Truck tunnel

Belt tunnel

Truck tunnel

FLAC3D numerical simulation

45

55

80

200

Theoretical calculation

47.28

53.50

116.34

181.70

Microseismic monitoring

–

–

100

210

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