%0 Journal Article
%T METHOD AND APPLICATION OF DIMENSION PREDICTION OF SUBLEVEL COAL FRAGMENTS<br>顶煤块度预测方法与应用
%A Zhang Kaizhi
%A Wang Xinhua
%A <br>张开智
%A 王新华
%J 岩石力学与工程学报
%D 2003
%I 
%X Based on the simulating technique of joint network of rock and coal mass,the calculation process and its formula of three-dimensional size of sublevel lump coal are put forward in the working face of sublevel coal caving mining. The evaluating method of drawability of sublevel coal,based on the dimension of sublevel coal fragment,and its corresponding index of classification are advanced. This method has advantage of objectivity,high reliability and is acceptable. And then the relation between fragment dimension of sublevel coal and fractal value is discussed.
%K mining engineering
%K joint simulation
%K dimension of sublevel coal fragment
%K drawability<br>采矿工程
%K 裂隙模拟
%K 可放性
%K 顶煤块度
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=D3421FAA1A0A0F0C&jid=35E747D791A1346351AFB523B7FA35CB&aid=60990632B3CFF56A&yid=D43C4A19B2EE3C0A&vid=BC12EA701C895178&iid=5D311CA918CA9A03&sid=59D5B0EDB2D8DABC&eid=C91D29281694E9C8&journal_id=1000-6915&journal_name=岩石力学与工程学报&referenced_num=0&reference_num=4