The compressive properties of fragmented coal and rock aggregates within goaf critically influences surface subsidence dynamics and reservoir development strategies. This study conducted constrained ...

Owing to the differences in sedimentary environments in the mining areas of western China, the mechanical properties of rocks in this region are significantly different from those in the central and ...

ROCK SPRINGS — Underground subsidence has been a problem in Rock Springs since the railroad arrived in 1868 and miners began digging for coal for the Union Pacific’s locomotives. As Rock Springs grew, ...

BOMAG's Terrameter technology in a roller cab. The California Department of Transportation (Caltrans) defines intelligent compaction (IC) as “the compaction of road materials, such as soils, aggregate ...