Externally prestressed monolithic and segmental concrete beams under torsion: A comparative finite element study.
Abang Ali, Abang Abdullah and Jaafar, Mohd Saleh and Al-Gorafi, Mohammed A. and Othman, Ismail and Anwar, Mohammed Parvez (2011) Externally prestressed monolithic and segmental concrete beams under torsion: A comparative finite element study. IOP Conference Series: Materials Science and Engineering, 17 (1). 012041. ISSN 1757-8981
Externally Prestressed segmental beams are widely used in the construction of bridge structures today. These beams have many attractive advantages for rehabilitation and strengthening of existing structures as well. However, segmental beams experience significant effect under combined stresses at the joint interfaces between segments. This paper presents a finite element study on the effect of torsion on the structural behavior of both external prestressed monolithic and segmental concrete beams. Geometric and material nonlinearities were included in the study. The results show significant difference in the behavior of monolithic and segmental beams under torsion.
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