id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-4046	Xu, X.G.; Liu, Z.X.; Yue, J.H.	Response Characteristics of Collapse Column in Coal Mining Working Face by Geoelectric Transillumination Method	2016	6	.htm	application/pdf	3461	146	57	Collapse column ‘s electrical response characteristics 3.1 Through type collapse column For the research of response characteristics of collapse column by geoelectric transillumination, three layers geoelectric model with collapse column has been designed. h1 h2 l Roof Floor Coal seam Roadway A Roadway B Abnormal body Figure 6: Concealed collapse column model.	cache/cet-4046.htm	txt/cet-4046.txt