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Re: W/C ratio[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: Re: W/C ratio
- From: "Bill Sherman" <SHERMANWC(--nospam--at)cdm.com>
- Date: 08 Jun 98 19:35:57 -0400
Harold Sprague wrote: >The old theory is that if you lower the w/c ratio you will have less shrinkage. A lower w/c ratio will reduce bleed water and reduce permeability, but has not much effect on shrinkage. < What is your basis for this statement? I don't think that this is an accurate statement. Less water in a concrete mix should translate into lower shrinkage. However, if one obtains a lower water-cement ratio by increasing the cement content, then nothing is gained. So it depends upon how one obtains a lower w-c ratio.
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