Experimental investigation on friction and squeezing of roof structure key blocks corner upon long-wall face
roof structure、quantitative analysis、friction angle、qualitative analysis、friction coefficient、structure stability、stress distribution、failure mechanism、simulation test、finite element、control theory
12
TD3;TU4
国家自然科学基金50104009;the Key Science and Technology Research Subject of the Ministry of Education of China204183
2005-05-12(万方平台首次上网日期,不代表论文的发表时间)
共4页
102-105