蚀变带内矿体开采中人工假底的应用研究
宋恩祥,李强,张静,彭康

Research and Application of Artificial False Bottom in Mining of Orebody in Alteration Zone
Enxiang SONG,Qiang LI,Jing ZHANG,Kang PENG
表3 材料物理力学参数
Table 3 Physical and mechanical parameters of material
材料密度/(kg·m-3弹性模量/MPa泊松比抗压强度/MPa黏聚力/MPa摩擦角/(°)
1∶8充填体1 7601100.1440.3018
Φ12 mm钢筋7 8002.0×1050.20-200-