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Concrete Hood Method
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12-17-2009, 09:33 AM #9
CC Solutions Concrete Moisture Evangelist *******
Status: Offline Posts:1,065 Threads:69 Joined:Dec 2009
I understand your thinking, but my testing has shown that temperature has less impact than you would think.

Initially we tried to incorporate the psychrometric chart when considering concrete moisture and slab temperature, but extensive field testing shows this is not accurate.

We are working on a chart now that will allow a tester to take a relative humidity test at a slab temperature of 50 degrees and extrapolate where the RH will be at 70 degrees.

As far as water volume goes, I do not agree that one need be concerned about the quantity of free water in the concrete pores unless you are attempting to predict how long a slab will take to dry. A humidity probe placed at the top of a sealed cylinder containing an inch of water in the bottom will read the same as if there were 3 inches of water in the cylinder.

JD Grafton
Concrete Answers for Flooring Problems
JGrafton@ccsolves.com








Messages In This Thread
Concrete Hood Method - Blake McFee - 03-25-2009, 09:18 AM
RE: Concrete Hood Method - rthompson - 04-24-2009, 09:49 AM
RE: Concrete Hood Method - Trever Shiplee - 04-29-2009, 11:27 PM
RE: Concrete Hood Method - RCConcrete Consulting - 09-21-2009, 05:31 PM
RE: Concrete Hood Method - WeldKaye - 10-21-2009, 09:41 PM
RE: Concrete Hood Method - Blake McFee - 10-23-2009, 10:02 AM
RE: Concrete Hood Method - CC Solutions - 12-16-2009, 11:39 AM
RE: Concrete Hood Method - RCConcrete Consulting - 12-16-2009, 03:31 PM
RE: Concrete Hood Method - CC Solutions - 12-17-2009, 09:33 AM
RE: Concrete Hood Method - eaadams - 11-08-2013, 01:41 PM

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