极软弱地层双层锚固平衡拱结构形成机制研究
孟庆彬,钱唯,韩立军,梅凤清,冯伟,周星
Formation mechanism of arch structure balanced by double-layer anchor in extremely weak strata
采矿与安全工程学报 . 2019, (4): 650 -659 .