1) Blasting throwing
爆破抛掷
3) Casting blast
抛掷爆破
1.
By using the casting blast technique in surface mines,a large volume of overburden will be thrown into the mined-out area,making the stripping volume of dragline operation be decreased and the stripping cost lowered.
露天矿采用抛掷爆破技术,可将大量剥离物抛入采空区,使拉斗铲剥离量大为减少,剥离成本大幅度降低。
2.
The development of casting blast technique in open cast mines, the applications of pre-splitting blast and inclined drilling technique, the types of explosive, the parameters of casting blast and its predicted casting results were introduced.
对露天矿抛掷爆破技术的发展、预裂爆破及倾斜钻孔的应用、炸药类型、抛掷爆破参数及预期抛掷爆破效果进行了扼要阐述。
3.
Casting blast is often jointly used with pre-splitting blast.
根据利文斯顿的爆破漏斗理论,说明抛掷漏斗及露天矿抛掷爆破法的基本要素是大装药量,使用铵油类炸药和具备松软破裂的软岩地质条件。
4) Lateral pin point balsting
侧向抛掷爆破
5) blasting with low-thrown out and deep hole
低抛掷减冲爆破
6) Directional throw blasting
定向抛掷爆破
1.
And more,an example of directional throw blasting with the Line of least resistance-25m, near the country boundary is given.
根据实际经验对影响大爆破抛掷效果的若干因素:如药包配置、地形条件、起爆顺序、最小抵抗线、爆破作用指数、药包间距和抛掷角等进行了论述,并简介了边境地区25m最小抵抗线定向抛掷爆破的实例。
补充资料：抛掷
1.投;扔。 2.丢弃;弃置。
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