- 对于露天结构的破碎
1.For structural demolition work over ground:
- 每5公斤HSCA混合5-1.7升水,用机械搅拌
- a) 1.5 to 1.7 liters of water per 5 kg powder , mechanical mix is much better.
- 孔的直径32毫米,34毫米,最大36毫米
- b) hole diameter could be 32mm,,,34mm or 36mm max.
- 孔的深度80厘米..最大160厘米
- c) depth of hole 80cm,,,160cm max.
- 根据岩石的结构和岩石的自由面,确定孔间距20厘米,30厘米或者40厘米
- d) distance between holes could be 20cm,,30cm or 40cm depending on type of rock and number of free face.
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