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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: "Scott A Jensen" <SAJ5(--nospam--at)inel.gov>
- Date: Tue, 9 Jun 1998 09:02:56 -0600
I agree with Mr. Sherman. The amount of water has a great affect on shrinkage. This is particularly true for high slump grouts. My experience with high slump grouts has been that the use of high range water reducers greatly decreases the shrinkage. I have seen grout mixes (water, sand and cement) with shrinkage as high as 4% . The shrinkage was reduced to less than 1% by the use of high range water reducers and significant reduction in the water used. The examples Mr. Sprague gave have approximately the same water content. Therefore, the shrinkage should be about the same. I agree that different w/c ratios can have the same shrinkage. I agree with Mr. Sherman's statements.
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