The Application And Study Of The Short-wall Mechanization Mining Technique In Shendong Diggings

Border- corner- block- segment resource is produced when Shendong Diggings applying the large-scale mechanized mining, but there are a series of problems as follows: coal pillars can't be called back effectively, cost price is high, safe-working conditon is poor andotherwise. The author studies the two problems--the effective callbackroom-coal pillars and the manage of goaf's roof systemically. Though the summary, analysis and research on shortwall mechanized mining in Shendong diggings, the author resolves some problems in successive room and pillar mining, which undertakes the effective and safe callback, in the same time provides some experience using for reference for shortwall mining technique in China.