摘要
针对埋藏深度较大,走向较短的水平或缓倾斜贵重金属矿体,通常采用胶结充填人工矿柱代替原生矿柱的房柱法开采.通过对胶结充填人工矿柱的力学性能分析,了解其受力变化特征.根据普氏理论计算塑性区内岩层重量,运用胶结充填人工矿柱强度理论,计算胶结充填人工矿柱合理宽度,对采矿设计和生产实际具有指导意义.
The cement filled artificial pillars are commonly use to replace the original pillars in room-and-pillar mining method in light with the deep-buried and short-span valuable metal ore body which is in horizontal or gently inclined.The analysis of the mechanical properties of cement filled artificial pillar reveals the temporal variation of mechanical behavior.The weight of rock stratum is worked out by the theory of PU＇s.Correspondingly,the strength theory of cement filled artificial pillar can calculate the width of the pillar.The width design of artificial pillar for deep mining by room-and-pillar method has great significance for mining design and production.
出处
《有色金属科学与工程》
CAS
2011年第2期83-85,共3页
Nonferrous Metals Science and Engineering
关键词
房柱法
人工矿柱
强度理论
矿柱合理宽度
room-and-pillar mining method
artificial pillar
strength theory
sensible width of pillar
