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Setting and hardening of gypsum-cement materials



Title: Setting and hardening of gypsum-cement materials
Author(s): K. Kovler
Paper category : conference
Book title: Second International RILEM Symposium on Hydration and Setting
Editor(s): A. Nonat
Print-ISBN: 2-912143-16-0
e-ISBN: 2351580281
Publisher: RILEM Publications SARL
Publication year: 1997
Pages: 391 - 401
Total Pages: 11
Nb references: 5
Language: English


Abstract: 
The present work describes a study of setting and hardening of fresh blends of gypsum binder, Portland cement and silica fume. Such blends can possess the advantages of gypsum (early hardening, high early strength, enhanced workability) and Portland cement (improved durability in moist conditions), but are free of the deleterious effect of ettringite and thaumasite, which can be formed when gypsum and Portland cement interact. The temperature and setting expansion dependencies in time are described. The influence of superplasticizer on setting and hardening of gypsum, gypsum-cement and gypsum-cement-silica fume mixes is analyzed. The data of early strength, DTA, XRD and SEM observations are reported.


Online publication: 2009-12-28
Publication type : full_text
Public price (Euros): 0.00


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