Externally Prestressed Monolithic and Segmental Concrete Beams under Torsion: a Comparative Finite Element Study

被引：3
|
作者：
Al-Gorafi, M. A. [1 ]
Ali, A. A. A. [1 ]
Othman, I. [2 ]
Jaafar, M. S. [1 ]
Anwar, M. P. [3 ]
机构：
[1] Univ Putra Malaysia, Dept Civil Engn, Upm Serdang 43400, Selangor, Malaysia
[2] Univ Malaya, Dept Civil Engn, Kuala Lumpur 50603, Malaysia
[3] Univ Putra Malaysia, Housing Res Ctr, UPM Serdang, Selangor 43400, Malaysia
来源：
CONFERENCE ON ADVANCED MATERIALS AND NANOTECHNOLOGY (CAMAN 2009) | 2011年 / 17卷
关键词：
DRY JOINTS; FEM;
D O I：
10.1088/1757-899X/17/1/012041
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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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页数：9
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