介绍了国内外长壁综采工作面的尺寸、设备、回采巷道布置及工作面单产的现状及发展趋势。
The paper introduced the size, equipment, gateway arrangement and production of the fully mechanized longwall coal mining faces at home and abroad.
该开采技术在工作面巷道布置上采用机采与普采混合，不规则刀形形状和对拉工作面布置，回采工艺采用了旋转调采等新技术。
This mining technology combined the fully mechanized mining with orthodox working face, and it layoutted irregular form and double unit face, adopted the rotational adjustment mining.
用分形对3604S4工作面和回采巷道顶板进行了研究，得到了该工作面下沉速度的几种分维值。
Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained.
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