Tag Archive for Tag: Light cable percussion drilling

Tag: Light cable percussion drilling Exploratory holes

Exploratory holes can generally be classified into three kinds: • rotary core drilling by diamond drill to obtain samples of soil and rock; • cable percussion driven lined holes in soft ground, sunk by clay cutter or shell; • uncored holes drilled by rotary percussion drill in hard ground. It is, of course, necessary to have an idea what sort of

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