Table 1 Uniaxial compressive strength (UCS) of rock specimens across different Lithologies.

From: Investigation on overburden failure and subsurface subsidence characteristics in fully mechanized top-coal caving of “Three-Soft” Thick coal seams

Lithology

Coal

Mudstone

Sandy mudstone

Fine-grained sandstone

Unconsolidated Layer

UCS/MPa

2.5

11.4

23.7

72.1

10.3

Back to article page