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RE: Permeability of concrete

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It can vary a lot depending on the mix design. One reference cites a range
of 1 to 30 E-10 cm/sec ("Concrete" by Mehta and Monteiro). The permeability
can be a lot higher when the concrete is green. Another reference ("Handbook
of Concrete Engineering" Fintel)gives a range of 1.0E-10 to 1.0E-12 cm/sec.
You can achieve very low permeability with special mix designs and
additives, and by getting the water cement ratio down.

-----Original Message-----
From: nattamai mohanram [mailto:nattamaim(--nospam--at)]
Sent: Monday, March 27, 2000 7:23 AM
To: seaint(--nospam--at)
Subject: Permeability of concrete

Could any one let me know reference material or
information on  permeability of concrete ?

Thanks in advance 


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