大采高综采工作面煤壁片帮机理研究与防治

Study on Coal Wall Caving at Fully Mechanized Mining Face with Large Mining Height and Its Prevention

大采高综采工作面更加容易出现煤壁片帮现象。分析了煤壁片帮的机理、影响因素及表现形式,探讨了大采高综采工作面出现煤壁片帮的不利影响,并提出了有效控制措施。

Coal wall caving easily occurred at fully mechanized mining face with large mining height. This paper analyzed the mechanism, influencing factors and forms of coal wall caving, discussed the adverse effects of the coal wall caving at the working face with large mining height and put forward effective control measures.