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Type: Journal article
Title: Yield Penetration Hinge Rotation in Reinforced Concrete Beams
Author: Haskett, M.
Oehlers, D.
Mohamed Sadakkathulla, M.
Wu, C.
Citation: Journal of Structural Engineering, 2009; 135(2):130-138
Publisher: ASCE-Amer Soc Civil Engineers
Issue Date: 2009
ISSN: 0733-9445
Statement of
Matthew Haskett, Deric John Oehlers, M. S. Mohamed Ali and Chengqing Wu
Abstract: Structural engineers have long recognized the importance of member ductility, that is member rotation, in the design of reinforced concrete structures in order to redistribute moment and absorb energy due to dynamic, seismic, and blast loads. Understanding the rotation mechanism has been a difficult task due to the complex and variable behavior of reinforced concrete members and this is reflected in the slow but steady research progress. In this paper, the three components of the rotational mechanism of reinforced concrete beams are described. The rotation due to yield penetration of the reinforcing bars is then mathematically quantified using partial-interaction theory, which depends on the bond characteristics. The results are compared with published empirical approaches and shown to be in good agreement. Finally, a variable hinge length that is specific to the rotation limit due to fracture of the reinforcing bar, that is yield penetration, is mathematically developed. © 2009 ASCE.
Description: © 2009 American Society of Civil Engineers
DOI: 10.1061/(ASCE)0733-9445(2009)135:2(130)
Appears in Collections:Aurora harvest
Civil and Environmental Engineering publications

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