Sentence examples for backfill method from inspiring English sources

The study results indicate that walls constructed by backfill method yield significantly higher bending moments and wall deformations.

Furthermore, the Beam Slab method was carried out for the treatment of the karst cave which situated under the tunnel floor, while the Backfill method was applied for the karst cave which was exposed during the construction.

In such situations, the backfill method is relatively special, usually using the method of pumped slurry injection into the gob (PSIB) from surface boreholes (Lokhande et al. 2005).

It begins with a brief overview on complete backfill methods primarily used in China, followed by an analysis of collected subsidence factors under mining with complete backfill.

The boreholes are then reamed to release the pressure and a flexible backfilling method is used to perform a comprehensive controlling technique.

As to appropriate position for backfilling wall, this study recommends partial-road-in backfilling method for GER.

Inevitably, the recovery rate of coal reserves is decreased by using separated backfill mining method comparing with that using non-pillar mining method.

The partial-road-in backfilling is a combined form of above two backfilling methods, which means the partial width of backfilling wall lies in entry side whereas the rest part is in gob side, as displayed in Fig. 6b.

In order to investigate the feasibility of backfill mining method and the optimal parameters of mining design in southern district of Sijiaying iron mine, where quaternary aquifer existed, an optimized mining model was established through seepage-stress coupling orthogonal experiment.

In such cases, the separated backfill mining method should be used.

Thirdly, a novel layer-backfill mining method of room-pillar alternation was designed to reduce the disturbance and settlement of terrain in mining area.