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A reply to J. Bensted's discussion of the paper “the effects of several heavy metal oxides on the formation of ettringite and microstructure of hardened ettringite”

✍ Scribed by C. Tashiro; J. Oba; K. Akama

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
31 KB
Volume
10
Category
Article
ISSN
0008-8846

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The effects of several heavy metal oxide
The effects of several heavy metal oxides on the formation of ettringite and the microstructure of hardened ettringite
✍ C. Tashiro; J. Oba; K. Akama 📂 Article 📅 1979 🏛 Elsevier Science 🌐 English ⚖ 469 KB

The study was conducted on the effects of Cr203, Fe20 ~, Cu(OH)2,ZnO and Pb20(OH) 2 on the formation of ettringite and miEr6structure of hardened ettringite. The cement samples were prepared by mixing C~A synthesized and CaSO4.2H20 and adding 5 % by weight of above additives The heavy metal oxides

A reply to J. Bensted's discussion of th
A reply to J. Bensted's discussion of the paper “the effect of glucose and some glucose oxidation products on the hydration of tricalcium aluminate”
✍ N.B. Milestone 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 40 KB

Acceleration by sugars and related compounds has been noted previously in C3A hydration (I) and cement hydration ( 2), but at levels much lower than that suggested by Dr. Bensted. Care is usually taken to avoid the rapid temperature rise and subsequent flash set. In C~A hydration, addition of sugar