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The mechanical properties of supersulphated cement containing phosphogypsum

✍ Scribed by Emin Erdem; Halis Ölmez

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
309 KB
Volume
23
Category
Article
ISSN
0008-8846

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✦ Synopsis

The use of phosphogypsum in the making of supersulphated cement(SSC) and mechanical properties of the SSC pastes were investigated. Setting times of SSC pastes were shortened with increasing phosphoanhydrite and Portland cement clinker content. The SSC pastes prepared using tap water were cured in both tap water and seawater for up to 90 days. The SSC pastes containing 85 % slag, lO % phosphoanhydrite and 5 % clinker were found to produce the highest strength values at 90 days. The SSC pastes cured in synthetic seawater generally showed much lower strength development. Volume changes of SSC pastes hydrated in both tap water and seawater differ significantly from each other.

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