公开(公告)号：US10989051B2

公开(公告)日：2021-04-27

申请号：US16740757

申请日：2020-01-13

申请人： XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY

发明人： Panshi Xie ,  Yingyi Zhang ,  Yanli Zhang ,  Shuangqi Tian ,  Jianjie Duan

IPC分类号： E21C41/18 ,  E21D23/00 ,  E21C27/02

摘要： Disclosed is a multi-section non-pillar staggered protected roadway for a deep inclined thick coal seam (DITCS) and a method for coal pillar filling between sections. The multi-section non-pillar staggered protected roadway includes a floor, a coal seam, an immediate roof, and a basic roof in a multi-section coal seam, where the floor is disposed below the coal seam, a hydraulic support is disposed in a section between the floor and the immediate roof; a return airway and a transportation roadway are respectively disposed on a left side and a right side of each section; the return airway and the transportation roadway in each section are communicated with each other through a working face; and non-pillar staggered layout is used for a return airway of a next section and a transportation roadway of a current section.