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Advantages of using Reduced Cross-Sections in Seismic Resistant Steel Structures

Helmuth Kober; Ramona Marcu
ЦБ II 544

Детайли

Източник
Годишник на Университета по архитектура, строителство и геодезия - УАСГ
Издателство
УАСГ
Местоиздаване
София
Година на издаване
2018
Страници
с. 77 - 87
Том
51
Ключови думи
ductility, plastic deformation control, eccentrically braced frames, concentrically braced frames
ISSN
1310-814X
Отрасъл
Общ отдел. Наука. Библ. дело. Енциклопедии
Пор.№
бр. 4.
Забележка
Т. 51. Бр. 4. Метални, дървени и комбинирани конструкции.
Анотация
"For eccentrically braced frames with long links, dog-bone configurations at the link ends ensure significant lateral stiffness of the frame and a better control of the plastic deformations along the links. Details with reduced cross-sections near the ends of upper storeys diagonals in concentrically braced frames lead to an adequate slenderness for the braces and to a proper tensile capacity of the diagonals. A favourable global plastic hinge mechanism can be sized by design for concentrically braced frames, by providing configurations with reduced cross-sections near the ends of frame girders. Details resembling the “dog-bone” near the base of bottom-storey columns appear to be safer from the point of view of ensuring the general stability of the first-storey columns during strong earthquakes."
Системен №
5320

Действия