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- W2022203474 abstract "On the basis of the field measurement, the characteristics of advance strata behavior are analyzed in the past filling working face and the advance support method is optimized in the roadway. The practical measure researches show that, because the paste filling supports the overlying strata of the goaf availably, the strata behaviors of 2351 paste filling working face in Daizhuang coalmine are not obvious; And the protective pillar bears a little load, The strata behaviors in non-production side are smaller than that in production side. The overlying strata gravity mainly acts on the coal wall in front of the face and the paste filling in the goaf. The value and main influence range of advance stress in front of the face is quite small and the main influence range is less than 15m. According to the advance strata behavior characteristics of the paste filling working face, the advance support of the track roadway is changed from 3 rows to 2 rows. And the support length of each row reduces from 20m to 15m. The advance support after optimizing can reduce the labor intensity greatly and improve the working efficiency of backfill mining." @default.
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- W2022203474 date "2011-05-01" @default.
- W2022203474 modified "2023-09-23" @default.
- W2022203474 title "Optimization Study of Advance Support in the Roadway of Paste Filling Working Face" @default.
- W2022203474 doi "https://doi.org/10.4028/www.scientific.net/amr.255-260.3702" @default.
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