id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-29856	Zhu, Zelin	Research and Application of Efficient Undercover and Filling Technology Along the Top Tunneling Roadway	2025	14	.pdf	application/pdf	6810	246	52	Maintenance of Over-high Roadway Roofs The management and support of ultra-high roadway roof has always been a common problem in coal mining, and the commonly used support measures and advantages and disadvantages in China at this stage are shown in Table 2. [17] established a numerical model of thick coal seam roadway in view of the large deformation of the surrounding rock and the difficulty of supporting the roadway in the thick coal seam, and studied the influence of the mining disturbance on the deformation of the surrounding rock of the roadway, and concluded that the height of the roadway is an important factor for the instability of the surrounding rock of the roadway.	cache/ajst-29856.pdf	txt/ajst-29856.txt