在煤矿伤亡事故中,顶板事故占很大比重,因此,想要减少事故,降低伤亡事故率,除认真贯彻执行党的安全生产方针外,加强顶板管理,也是不容忽视的重要一环。近几年来,正阳煤矿通过矿压观测,掌握了采场压力显现规律,并根据这些规律,改进了采场支护和顶板管理方法,在安全上和生产 In the coal mine casualties, the roof accident accounts for a large proportion, therefore, want to reduce the accident and reduce the casualty rate, in addition to conscientiously implement the party's safety production guidelines, to strengthen the roof management, but also an important part can not be ignored. In recent years, Zhengyang coal mine through the pressure observation, mastered the law of mining pressure show, and in accordance with these laws, improved stope support and roof management methods, safety and production