1) Millisecond delay loose blasting
延时松动爆破
2) Millisecond blasting
延时爆破
1.
This paper mainly studies the blasting technology and blasting vibration in Xiaolongtan,and explains millisecond blasting mechanism and reducing millisecond blasting vibration mechanism.
阐述了延时爆破机理和延时降震机理。
4) loose blasting
松动爆破
1.
Research on loose blasting technology for top coal;
顶煤松动爆破技术的研究
2.
Practice of loose blasting technology in open-pit of Hexi Gold Mine
河西金矿露天松动爆破技术实践
3.
The method of loose blasting in treating blocked dross was introduced in the complicated condition.
介绍了在复杂条件下,采用松动爆破清理结块矿渣的方法。
5) standing shot
松动爆破
1.
But when using this standing shot technology,we totally removed the phenomenon about gas and guaranted the safety production of mine.
经采取深孔松动爆破技术后,彻底消除了瓦斯超限现象,保证了矿井安全生产。
2.
Taking standing shot of earthwork chamber in Zhoushang Power Plant's main blasting district as an example,the paper deals with some key links to be grasped in process of construction for the earthwork chamber.
以舟山发电厂土石方工程主爆破区石方硐室松动爆破为例 ,系统介绍了在组织实施硐室松动爆破中应把握的几个重要环节。
6) loosening blasting
松动爆破
1.
Through computer numerical simulation calculation and in situ observation, the basic mechanism of in coal depressurizing roadway layout and loosening blasting technique applied to depressurize the surrounding rock of a roadway along gob area in sub level caving mining is analyzed.
采用计算机数值模拟计算及现场观测方法 ,结合松动爆破技术分析了本煤层布置卸压巷对综放沿空巷道围岩卸压的机理 。
补充资料：松动爆破
松动爆破
loosening blasting
songdong匕ooPO松动爆破(loosening blasting)将岩体破碎成岩块，而不造成过多飞散的爆破技术。它的装药量只有标准抛掷爆破的40%一50%。松动爆破的爆堆比较集中，对爆区周围未爆部分的破坏范围较小。松动爆破又分普通松动及加强松动爆破。松动爆破后岩石只呈现破裂和松动状态，可以形成松动爆破漏斗，爆破作用指数了，簇0.75。加强松动爆破形成可见的爆破漏斗并产生少量抛掷作用，n~。.75一1.。。松动爆破是广泛应用的一种爆破，它常用于采矿、土方开挖等工程。 (高士才)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条