Influence of Strand Development Length in Formation of Plastic Hinges in Prestressed Piles

Abstract

Pullout tests and simply supported three-point beam bending tests have traditionally been used in research to estimate the development length of prestressing strands. In many of the tests found in the literature, the development length of prestressing strands took place in regions where cracking of the concrete section was a minimum or practically nonexistent because of reduced flexural demands at the member ends. In recent tests conducted at the University of California at San Diego, the development length of prestressing strands was located adjacent to or in the plastic hinge region of precast, prestressed concrete shell piles. This condition significantly affected the inelastic response of these pretensioned members. This paper presents recommendations for computing the development length of prestressing strands in regions of inelastic response.

Department(s)

Civil, Architectural and Environmental Engineering

International Standard Serial Number (ISSN)

0887-9672

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2024 Precast/Prestressed Concrete Institute, All rights reserved.

Publication Date

01 Jan 2001

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