Presplitting

预裂

常用释义

预裂

预裂法

扩展信息

预裂爆破

预裂爆破（ presplitting）是预先沿设计轮廓线用爆破方法形成一条裂缝后再起爆主炮孔的一种控制爆破方法，其特点是在设计 …

预裂法

(4) 开挖方式应采机械开挖，惟坚硬岩层需开炸时，应采用预裂法 （Presplitting）或其他工程司认可之平滑面开炸法以获得平整 …

例句

Deep-hole presplitting explosion in coal seams with high gas content and low permeability was numerically simulated and analyzed.

针对高瓦斯低透气性煤层，对深孔预裂爆破进行了数值模拟分析研究。

Study of presplitting blasting experiment in water-bearing blasthole of open pit slope

露天边坡含水炮孔预裂爆破试验研究

Improving Top Coal Recovery Ratio in Full-mechanized Sublevel Caving Faces by Long-hole Controlling Presplitting Blasting Technology

利用深孔控制预裂爆破技术提高综放工作面顶煤回收率

Practice of Using Deep-hole Presplitting Blasting Technology to Drainage Methane from Extremely- thick Coal Seam with Low Permeability

深孔预裂爆破强化抽放低透气性特厚煤层瓦斯的实践

Strengthening Gas Drainage by Long-hole Controlling Presplitting Blasting and Avoiding Outburst in Working Face

利用深孔控制预裂爆破强化瓦斯抽放消除回采工作面突出危险性

The Technology Study of Roof Coal Presplitting in Thick Seam Caving Coal Mining

厚煤层放顶煤开采顶煤预裂技术研究

Application of Gray Association Analysis for Analysing Vibration in Presplitting Blasting

灰色关联分析在预裂爆破震动分析中的应用

The application of presplitting blasting and smooth blasting during construction of boundary line control

预裂爆破和光面爆破在边线控制施工中的应用

Application of presplitting in bedded composite cutting blasting digging

层状复合岩体路堑开挖中预裂爆破技术应用

Study on Parameters Selection and Quality Measures in Smooth and Presplitting Blasting

光面、预裂爆破参数选择与质量措施研究