| 切槽爆破断裂应力强度因子及其装药量的确定 |
| |
| 引用本文： | 陆文,张志呈. 切槽爆破断裂应力强度因子及其装药量的确定[J]. 西南科技大学学报, 1994, 0(1) |
| |
| 作者姓名： | 陆文 张志呈 |
| |
| 作者单位： | 西南工学院环境工程系 |
| |
| 摘 要： | 本文首先用脆性介质宏观断裂力学理论讨论了Ｖ型对称双切槽炮孔爆破的断裂机理，确定出切槽尖端介质中的断裂韧度和抗压、抗拉强度，导出使岩石沿切槽方向理想断裂所需的爆生气体作用于孔壁的最小压力和允许的爆生气体作用于孔壁的最大压力，从而提出切糟爆破炮孔装药量的合理范围。
|
| 关 键 词： | 切槽爆破，Ⅰ型断裂，应力强度因子，炮孔装药量 |
Determination of stress Intensity Factor and charge of Blasthole on V Shape Blasting |
| |
| Lu Wen,Zhang ZhiCheng. Determination of stress Intensity Factor and charge of Blasthole on V Shape Blasting[J]. Journal of Southwest University of Science and Technology, 1994, 0(1) |
| |
| Authors: | Lu Wen Zhang ZhiCheng |
| |
| Affiliation: | Southwest Institute of Technology |
| |
| Abstract: | In this paper,the authors discussed the fracture mechanism and decided the intensity fac-tors in the V-cut borehole explosion, and then, according to the fracture toughness and com-pressive and tensile strength of rock meditim, suggested a quantity range of explosives chargedin the V-cut borehole explosion. |
| |
| Keywords: | V shape blasting i type fractute. stress intensity factor charge of blasthole. |
| 本文献已被 CNKI 等数据库收录！ |
