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What is the difference between hand auger drilled soil borings and one done with a drill rig?

thread193-334621

What is the difference between hand auger drilled soil borings and one done with a drill rig?

What is the difference between hand auger drilled soil borings and one done with a drill rig?

(OP)

Does anyone have insight on this? Which one costs more?

RE: What is the difference between hand auger drilled soil borings and one done with a drill rig?

one requires muscle and sweat, the other diesel and cash

RE: What is the difference between hand auger drilled soil borings and one done with a drill rig?

Typically, the hand auger boring will not return soil samples that allow observation of the soil fabric. You get scrapings and can classify these, but it's hard to see relic texture or such. Also, hand auger borings don't allow for SPT or Shelby tube sampling. So, you are limited to using a DCP to guess the N-valule and have no real option to gather an undisturbed sample.

Hand auger borings don't have any where near the access problems.

Hand auger borings are great for mapping near-surface deposits of topsoil, swamp soils and such.

Hand auger borings are terrible in many fill soils (i.e., it doesn't take much of an obstical to obstruct progress).

f-d

¡papá gordo ain’t no madre flaca!

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