Delayed ettringite formation in Swedish concrete railroad ties

A petrographic examination of cracked Swedish concrete railroad ties identified delayed ettringite formation (DEF) as the damaging mechanism. This was unexpected because the concrete railroad ties were steam-cured with a maximum concrete temperature below 60 °C. The consensus in the published litera...

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Veröffentlicht in:	Cement and concrete research 2004-09, Vol.34 (9), p.1675-1681
Hauptverfasser:	Sahu, Sadananda, Thaulow, Niels
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building failures (cracks, physical changes, etc.) Buildings. Public works Concrete Concrete products Concretes. Mortars. Grouts Construction (buildings and works) Delayed ettringite formation (DEF) Durability. Pathology. Repairing. Maintenance Exact sciences and technology General (composition, classification, performance, standards, patents, etc.) Materials Petrography SEM Temperature
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