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采用了非金属无损探伤仪对切槽控制爆破切割石材的炮孔周围损伤层厚度进行了检查,得出其损伤范围很小,用切槽爆破切割石材不会产生岩体损伤的结论。
The non-metallic non-destructive flaw detector was used to inspect the thickness of the damaged layer around the hole of the cut-controlled blasting stone, and the conclusion is drawn that the damage range of the damaged layer is small, and the slotted blasting stone can not damage the rock mass.