A new, originally NASA-funded technology called Electro-Hydraulic Fracturing (EHF) exceeds performance from standard jackhammer-and-split methods. It even exceeds the performance of hoe rams!
This EHF System uses a small amount of electrolyte and fires a calibrated high-voltage/high-current pulse (about 1 gigawatt) into the solution… creating a plasma ball that outputs a calculated concussive force within the rock… breaking it apart.
This 1 gigawatt occurs over a microsecond per blast… so each firing uses about 0.01 kWh of energy – the power of a standard 60W light bulb running for 10 minutes.
No noise pollution.
Easily powered by a small generator.
|Metric||Jackhammer/Drill-and-Split||Hoe Ram||Petram EHF|
|Time/cu.yd.||4 hours||30 minutes||20 minutes|
|Safety Constraint||Cannot use near vibration sensitive equipment|
|Customer Impact||Noise, Extended Duration of Blocking Access/Streets||Drilling noise, Vibration risks||Initial drill noise|
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