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Accession number;99A0228802
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| Title;Lateral-Torsional Buckling Strength of Steel Twin Girder Bridges Under Erection. |
| Author;
HOTTA TSUYOSHI
(Dainihon Konsarutanto)
NAITO JUN'YA
(Osaka Univ., Grad. Sch.)
NISHIMURA NOBUO
(Osaka Univ., Grad. Sch.)
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Journal Title;Proceedings of JSCE (Japan Society of Civil Engineers)
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Journal Code:F0028A
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ISSN:0289-7806
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VOL.;NO.612;PAGE.287-296(1999)
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| Figure&Table&Reference;FIG.15, TBL.2, REF.15 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;In this paper, the safety to overall lateral-torsional buckling and the lateral-torsional buckling of the main girders between the cross girders is examined for the erection of the steel twin girder bridges before the concrete slab is harden. Using the elasto-plastic finite displacement analysis to the structural system under erection, which have changed distance of main girders, or cross girders. To the lateral-torsional buckling, the proper parameters are established and the relation between the buckling strength and parameters are considered. And, the safety to initial deflection, the lateral-torsional buckling and the reaction force is examined in the case of the incremental launching method. (author abst.) |
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