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paste backfill with zero binder

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Kivi

Mining
Joined
May 29, 2005
Messages
40
Location
CA
Has anyone heard of an underground operation placing paste backfill with zero binder?
 
We used to use zero binder ( for about 3 years)- have since started adding fly ash
 
Thanks Ruble3,
how did you deal with liquefaction potential? Was it a hazard underground? Can you tell me what mine this was?
 
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