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RE: Measured Permeability: Concrete Liquid Retaining Structures

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You might try the Corps of Engineers Specification CRD-C 48 "Method of Test
for Water Permeability of Concrete"
Ed Marshall, PE

> -----Original Message-----
> From:	James_F_Fulton(--nospam--at)RohmHaas.Com [SMTP:James_F_Fulton(--nospam--at)RohmHaas.Com]
> Sent:	Monday, January 04, 1999 1:59 PM
> To:	seaint(--nospam--at)
> Subject:	Measured Permeability: Concrete Liquid Retaining Structures
> What test methods and test equipment are available to measure the 
> permeability of concrete, either in-situ or of cored specimens ?  New 
> regulations in Pennsylvania for "emergency containment structures" require
> that such structures have a permeability less than 10 minus 6 cm/sec and
> be 
> certified by a PA PE.  In the appendix to the regs, ASTM test methods for 
> permeability are referenced, but they apply only to soil. I don't find any
> ASTMs for concrete permeabiltiy testing.
> Thanks for any input.
> Jim Fulton