Durability of Prestressed Concrete Tanks Constructed With Dry-Mix Shotcrete

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Title: Durability of Prestressed Concrete Tanks Constructed With Dry-Mix Shotcrete

Author(s): Morris Schupack and Randall W. Poston

Publication: Concrete International

Volume: 11

Issue: 10

Appears on pages(s): 51-55

Keywords: corrosion; delaminating; deterioration; durability; freeze-thaw durability; prestressed concrete; prestressing steels; shotcrete; tanks (containers); Construction

Date: 10/1/1989

Abstract:
Presents observations regarding the long-term durability of dry-mixed shotcrete used in the construction of prestressed concrete tanks. In general, shotcrete performance in prestressed concrete tanks constructed over 30 years ago has been good in the aggressive freeze-thaw environment of the northeast United States. Problems that have been observed, primarily in domes, are attributed to poor construction practice, and not to a lack of inherent durability of shotcrete.