|
Accession number;99A0325666
|
| Title;A study on the ultimate bending behavior of prestressed-concrete bridges using external tendons. |
| Author;
KOSAKA HIROMI
(Metrop. Expressway Public Corp.)
KAWADA NARUHIKO
(Metrop. Expressway Public Corp.)
TSUNO KAZUO
(Sumitomo Constr. Co., Ltd.)
|
Journal Title;Proceedings of JSCE (Japan Society of Civil Engineers)
|
Journal Code:F0028A
|
ISSN:0289-7806
|
|
VOL.;NO.613;PAGE.147-164(1999)
|
| Figure&Table&Reference;FIG.19, TBL.16, REF.7 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Using a model for external-tendon-type simple-girder, continuous-girder, and continuous-rigid-frame prestressed-concrete bridges, an analysis was carried out, taking into account their material nonlinearity and geometrical nonlinearity. Based on these results, a simple calculation formula is proposed for the amount of increase in stress on the external tendons, for use in computing the flexural capacity. A nonlinear analysis was carried out for structures in which an existing simple-girder bridge was converted to continuous-girder through reinforcement with external tendons in order to improve the load force and travel performance. It was found that the safety with respect to flexural failure is adequately satisfied due to the fact that a considerable redistribution of moment occurs. (author abst.) |
|
|
|
Related Articles;
|
