|
|||||
|
|
| 边坡预裂爆破参数优化研究 | |
| 引用本文： | 许名标,彭德红. 边坡预裂爆破参数优化研究[J]. 爆炸与冲击, 2008, 28(4): 355-359. DOI: 10.11883/1001-1455(2008)04-0355-05 |
| 作者姓名： | 许名标 彭德红 |
| 作者单位： | 武汉理工大学资源与环境工程学院,湖北,武汉,430070;义乌工商学院土木工程系,浙江,义乌,322000;义乌工商学院土木工程系,浙江,义乌,322000 |
| 摘 要： | 边坡工程施工中常用到预裂爆破，预裂爆破参数对爆破降震起着非常重要的作用。通过大量的预裂爆破试验，得出了适用于该边坡的炮孔直径、炮孔间距、线装药密度、不耦合系数等一系列常规预裂爆破参数。通过ANSYS/LS-DYNA数值模拟，得出了与4种炮孔直径对应的理想的预裂爆破参数，且与爆破试验的结果基本一致。通过回归分析，得出了用于该边坡选取预裂爆破参数的简易公式，用以指导该工程的后续施工。实践证明，采用爆破试验与数值模拟相结合的方法，对于爆破参数的优化选择，效果明显。 |
| 关 键 词： | 爆炸力学 预裂爆破参数 数值模拟 爆破试验 回归分析 |
Parameter optimization of the slope pre-splitting blasting |
|
| XU Ming-biao,PENG De-hong. Parameter optimization of the slope pre-splitting blasting[J]. Explosion and Shock Waves, 2008, 28(4): 355-359. DOI: 10.11883/1001-1455(2008)04-0355-05 | |
| Authors: | XU Ming-biao PENG De-hong |
| Affiliation: | 1.School of Civil Resources and Environmental, Wuhan University of Technology, Wuhan 430070, Hubei, China;2.Department of Civil Engineering, Yiwu Industrial and Commercial College, Yiwu 322000, Zhejiang, China |
| Abstract: | Pre-splitting blasting is often used in slope engineering construction, pre-splitting parameters have important effects on reducing blasting vibrations. Pre-splitting blasting experiments were carried out to obtain normal pre-splitting blasting parameters such as hole diameter, hole space, gunpowder charge line density, and uncoupling factor. Ideal pre-splitting blasting parameters for four different hole diameters gained by the code ANSYS/LS-DYNA agree with the blasting experiments. By regression analysis, a simple fomula was given to choose the pre-splitting blasting parameters and to guide the succedent construction. Practice shows that combination of blasting experiments and numerical simulations is helpful to optimize pre-splitting blasting parameters. |
| Keywords: | mechanics of explosion blasting parameters of pre-splitting numerical simulation blasting experiment regression analysis |
| 本文献已被 维普 万方数据 等数据库收录！ | |
| 点击此处可从《爆炸与冲击》浏览原始摘要信息 | |
| 点击此处可从《爆炸与冲击》下载全文 | |