江西某铜矿磨矿对比试验及应用研究
Comparison Test and Application Study on Grinding of a Copper Mine in Jiangxi Province
| 矿块 | 试件直径/cm | 试件面积/m2 | 极限载荷/kg | 抗压强度/（kg·cm-2） | 平均强度 （kg | 割线弹性衡量 E50/（×10 | E50 | 割线泊松比U50 | U50 平均值 |
|---|---|---|---|---|---|---|---|---|---|
| 6#矿块 | 4.85 | 18.50 | 9 791.70 | 529.28 | 528.88 | 2.11 | 3.43 | 0.068 | 0.143 |
| 4.86 | 18.55 | 9 385.20 | 505.92 | 4.54 | 0.175 | ||||
| 4.88 | 18.68 | 10 299.80 | 551.43 | 3.65 | 0.186 | ||||
| 7#矿块 | 4.90 | 18.86 | 7 657.50 | 406.07 | 393.97 | 4.11 | 4.21 | 0.101 | 0.109 |
| 4.91 | 18.96 | 7 352.60 | 387.79 | 4.04 | 0.099 | ||||
| 4.84 | 18.86 | 7 149.40 | 388.05 | 4.49 | 0.127 | ||||
| 8#矿块 | 4.88 | 18.68 | 9 185.20 | 491.76 | 491.53 | 3.19 | 3.31 | 0.126 | 0.119 |
| 4.93 | 19.11 | 9 080.30 | 475.04 | 3.71 | 0.126 | ||||
| 4.90 | 18.88 | 9 588.40 | 507.78 | 3.04 | 0.105 | ||||
| 10#矿块 | 4.87 | 18.63 | 14 263.20 | 756.72 | 764.39 | 5.79 | 5.53 | 0.226 | 0.247 |
| 4.90 | 18.86 | 13 958.30 | 740.20 | 5.79 | 0.225 | ||||
| 4.89 | 18.81 | 14 974.60 | 796.26 | 5.02 | 0.259 |