Cracking of residential concrete foundations in eastern Connecticut, USA from oxidation of pyrrhotite

Extensive cracking in thousands of residential foundations in eastern Connecticut is found to be due to expansions from oxidation of pyrrhotite in crushed gneiss coarse aggregate in concrete. Sulfates released from pyrrhotite oxidation reacted with aluminous phases in paste to cause internal sulfate...

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Bibliographic Details
Published in:Case Studies in Construction Materials
Main Author: Dipayan Jana
Format: Article
Language:English
Published: Elsevier 2022-06-01
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214509522000419