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A discussion of the paper “the roles of interlayer spacing and water in the drying shrinkage of tobermorite based materials” by S. Chatterji

✍ Scribed by R.F. Feldman

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
89 KB
Volume
5
Category
Article
ISSN
0008-8846

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✦ Synopsis

This paper presents drying shrinkage data from an autoclaved lime-silica system, where no change in the ll.3~ line of tobermorite was observed during drying although shrinkage was observed. The author concludes that the proposed mechanism of length change for room-temperature hydrated portland cement paste proposed by Feldman and Sereda is in question because of his observation and because he feels that no direct evidence has been observed for the latter.

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✍ S. Chatterji 📂 Article 📅 1975 🏛 Elsevier Science 🌐 English ⚖ 262 KB

The roles of the interlayer spacing and water in the drying shrinkage of a hydrothermal lime-silica product have been investigated. In this work, changes in the length and weight of the specimens and the interlayer spacing of tobermorite crystals in them, have been recorded at varying drying conditi

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✍ J.J. Beaudoin; V.S. Ramachandran; R.F. Feldman 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 64 KB

The authors thank Dr. Chatterji for his interest and comments. We are pleased to be able to confirm his personal speculation pertaining to 'tightly-held' chloride. Chloride extraction with a calcium hydroxide saturated calcium nitrate solution, 0.1 N NaOH solution or calcium hydroxide suspension ha