摘要
针对大厂铜坑矿锌铜矿体的工程地质条件和缓倾斜薄矿体的赋存特征，运用Mathew稳定图法及正交数值模拟的研究方法，获得了极限暴露面积下的力学特征规律，综合确定了采场的极限暴露面积。结果显示，保障矿山采场稳定的条件下，在采场长度为30m和40m时，Mathew稳定图法得出最大暴露面积分别为924．32m2和980．64m2；数值模拟计算的极限暴露面积介于900～1000m2；为实现矿山开采的安全，确定锌铜矿采场极限暴露面积为900m2。研究结果表明，通过两种方法，可以实现数据的相互验证和决策，能够在保障矿山采场安全开采条件下合理确定矿山的极限暴露面积。
Due to engineering geological conditions in zinc-copper orebody oI Dachang longKeng lvime as well as occurrence characteristics of gently inclined thin orebody, mechanical properties for the maximum exposed area was obtained by using Mathew stability diagram method and numerical simulation by quadrature method, and the maximum exposed area of the stope was determined. Research showed that with secured stope stability, the maximum exposed area obtained with Mathew stability diagram method was 924.32 m2 and 980.64 m2, respectively, as stopes were 30 m and 40 m long. The maximum exposed area obtained with numerical simulation was between 900 - 1 000 m2. Considering mining safety, the maximum exposed area for zinc-copper stope was finally determined to be 900 m2. It is concluded that data obtained with these two methods can be verified by each other, and the maximum exposed area obtained can meet mining security requirement in stope.
出处
《矿冶工程》
CAS
CSCD
北大核心
2014年第1期14-17,共4页
Mining and Metallurgical Engineering
关键词
缓倾斜薄矿体
暴露面积
Mathew稳定图法
正交数值模拟
gently inclined thin orebody
exposed area
Mathew stabilization diagram method
numerical simulation byquadrature method
