Sentence examples for strata condition from inspiring English sources
No two working places are having identical strata condition.
A numerical modeling approach is proposed for predicting the progressive caving behaviour of strata and performance of powered roof support in a given geo-mining and strata condition.
This paper illustrates a numerical modeling based integrated approach for predicting the progressive caving behavior of strata and optimum capacity requirement of powered support for longwall working in a given geo-mining and strata condition.
The study suggests that face convergence slope of 75 mm/m of face advance may be considered as the maximum permissible value for selection of optimal capacity support for safe working in a given strata condition.
Factors include different driving forces, fluid physical and chemical properties, strata conditions, and the structural environment of basins.
Under strata conditions, as the wall rock is compacted, the pore throat radius of the wall rock is much smaller than that of isolated sand bodies.
A set of design criteria for selection of optimal capacity support integrating the field experience and the numerical modeling results of longwall panels, operated in a widely varying strata conditions in different coalfields of India.
Previous studies have dealt with the general rules of ground movement for different strata conditions based on simulation software and analysis of field data, which obviously addresses the influence of bedrock and the unconsolidated layer.
Case studies of two typical longwall workings are presented to assess the caving behavior and support requirement for safe operation of longwall working under the site specific regular and en masse caving strata conditions.
Our results suggest that the cover of tall trees may be a better predictor of owl habitat than total canopy cover because the latter can include cover in the 2 16 m strata – conditions that owls actually avoid.
When an opening is made in the coal seam, the strata equilibrium condition is disturbed and stress distribution takes place to reach another state of equilibrium.
