Equipment penetration standard testing

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Probe rod and fits the id of the 3. Direct push machines outfitted with a dh-series automatic drop hammer can be used to perform the standard penetration test (spt). The drop hammer is then placed on top of the rod string and the number of blows to advance the sampler is counted. Hollow stem augers are turned to the desired depth with a pilot bit blocking the rod id.

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Equipment penetration standard testing.

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