372R-00: Design and Construction of Circular Wire-and Strand-Wrapped Prestressed-Concrete Structures

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Title: 372R-00: Design and Construction of Circular Wire-and Strand-Wrapped Prestressed-Concrete Structures

Author(s):

Publication: Technical Documents

Volume:

Issue:

Appears on pages(s): 24

Keywords: circular prestressing; domes; floors; footings; joint sealers; joints (junctions); prestressed concrete; prestressing steel; reservoirs; roofs; shotcrete; storage tanks; walls.

Date: 2/23/2000

Abstract:

Note: A newer version of this document exists. This document was replaced by 372R-03.

This report provides recommendations for the design and construction of wrapped, circular, prestressed-concrete structures commonly used for liquid or bulk storage. These structures are constructed using thin cylindrical shells of either concrete or shotcrete. A thin steel diaphragm is incorporated in shotcrete and precast-concrete core walls; and vertical post-tensioning, or a steel diaphragm is incorporated in cast-in-place concrete core walls. Recommendations are given for circumferential prestressing achieved by wire or strand wrapping. In wrapping, the wire or strand is fully tensioned before placing on the structural core wall. Procedures for preventing corrosion of the prestressing elements are emphasized. The design and construction of dome roofs are also covered. Many recommendations of this report can also be applied to similar structures containing low-pressure gases, dry materials, chemicals, or other materials capable of creating outward pressures. This report is not intended for application to nuclear reactor pressure vessels or cryogenic containment structures.