摘要
基于实测节理面空间几何参数,采用蒙特卡罗方法对某大型镍矿III矿区节理空间进行了模拟。采用自主研发的三维矿岩块度预测软件MAKEBLOCK对其矿岩块度分布进行了预测和分析。结果表明,该矿区大多数矿岩块体体积小于0.2m3,绝大多数块体形状为盘状和块状,块体等效尺寸大多在0.2m到1.5m之间。预测结果可以作为自然崩落法工程设计与实施的参考依据。
A simulation of the joint network in mining area Ⅲ of a nickel mine in China is made based on the Monte Carlo method and by using joint plane space geometrical data measured in-situ. According to the above theory, a 3D fragmentation size prediction software named MAKEBLOCK is developed and used in the forecast and analysis of ore fragmentation size distribution of the mining area. The result shows that the most of the ore body blocks are discoid and blocky, with block size less than 0.2 m^3 and equivalent dimension from 0.2m to 0.5m. The predicting results can be used as the basis for design and practice of block caving.
出处
《岩土力学》
EI
CAS
CSCD
北大核心
2009年第4期1186-1190,共5页
Rock and Soil Mechanics
关键词
自然崩落法
蒙特卡罗方法
节理
块度预测
block caving method
Monte Carlo method
joint
fragmentation prediction