软岩大跨度综采切眼锚杆支护矿压显现规律

Ground pressure regularity of bolting large-span open-off cut with soft surrounding rock in fully mechanized mining face

在软岩顶板综放大跨度切眼中 ,首次采用锚杆支护技术取得成功 ,并在掘进和安装期间进行了系统矿压观测 ,找到了大跨度巷道的矿压显现规律 。