A discussion of the paper “thaumasite formation: A cause of deterioration of portland cement and related substances in the presence of sulphates” by J.H. Van aardt and S. Visser: by John Bensted and Satya Prakash Varma, published in Vol. 6, pp. 321–322 (1976).

A discussion of the paper “Thaumasite fo

A discussion of the paper “Thaumasite formation: A cause of deterioration of portland cement and related substances in the presence of sulphates” by J. H. P. Van Aardt and S. Visser

✍ John Bensted; Satya Prakash Varma 📂 Article 📅 1976 🏛 Elsevier Science 🌐 English ⚖ 135 KB

It is interesting to read the paper by van Aardt and Visser (1), who observed that Portland cement-dolomitic aggregate autoclaved mortars deteriorated rapidly during storage in %5 Na2SO 4 solution at 5°C giving much thaumasite as the soft pulpy mass. Similar water-cured mortars expanded and cracked,