| 1. | Synthesizing comment on modern rock fragmentation methods 现代破岩方法综述 |
| 2. | Fractal scalings of rock fragmentation 岩石碎裂作用的分形尺度 |
| 3. | Fractal theory , characteristics and its application on rock fragmentation 分形理论和岩石破碎的分形研究 |
| 4. | Analysis on foothold of researching into causes of rock fragmentation in blasting simple 岩石爆破破坏原因研究的立足点剖析 |
| 5. | Experimental investigation on the effect of change in explosive detonation in rock fragmentation 炸药爆轰性能变化对破岩效果影响的实验研究 |
| 6. | Present situation of research on propagation of blasting stress wave and rock fragmentation effect in remote area 爆破应力波的传播及其远区破坏效应研究现状述评 |
| 7. | Because of the lower rock fragmentation efficiency and defective geometrical shape of chisel bit , sweden has replaced chisel bit with taper connecting cross chisel bit and button bit since the mid - seventies 因一字形钎头破岩效率低和几何形状结构缺陷等问题,瑞典从70年代中期就用锥体连接的十字和球齿钎头取代了一字形钎头。 |
| 8. | Abstract : based on the rule of the insert arrangement in equal running condition , the effect of the button inserts in the vicinity on rock fragmentation is explored , and the optimum insert spacing , best insert position and proper insert numbers are determined 文摘:在等工作条件布齿理论的基础上,从球齿碎岩机理出发,探讨了相邻球齿对碎岩效果的影响,从而确定了最优齿间距,并确定最佳齿位和合理的齿数。 |
| 9. | In this paper , theory bases , basic hypothesizes and research advances on prediction models of rock fragmentation distribution in blasting are introduced systematically and the characters of each model are analyzed , the cracking mechanism of blasting rock is discussed and the main parameters affecting distribution of rock fragmentation in blasting are analyzed , which are applied in open pit blasting optional design around home and abroad 本文系统地介绍了现阶段国内外岩体爆破块度预测模型建立的理论基础、研究条件及最终结果,对各模型的特点进行了分析和评价。分析了主要爆破参数对岩石爆破效果的影响,并从理论上探讨了岩石爆破破碎机理。 |