顶板事故占矿井各类事故总数的一半左右,而掘进工作面顶板事故在顶板事故中占很大比重,但在生产中对掘进工作面顶板事故往往重视不够,措施不力,以致事故屡有发生。本文通过对几个局的调研,对掘进工作面顶扳事故类型作了分析。本刊还拟在此基础上,陆续发表关于掘进工作面常见顶板事故的发生条件及其防范措施方面的文章,请读者注意。 The roof accidents account for about half of the total number of mine accidents, while the roof accidents of driving face occupy a large proportion of the roof accidents, but often not enough attention is paid to the roof accidents of heading face during the production, and the measures are not enough so that the accidents happen frequently. Through the investigation of several offices, this article analyzes the type of top-boarding accident in driving face. This journal also intends to publish on this basis, one after another published on the heading face common roof accident conditions and preventive measures articles, please readers attention.