|Table of Contents|

Design Method of Buckling-restrained Braces Assembled with Dual Ribbed Rectangular Hollow(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2010年02期
Page:
67-74,82
Research Field:
Publishing date:
2010-06-20

Info

Title:
Design Method of Buckling-restrained Braces Assembled with Dual Ribbed Rectangular Hollow
Author(s):
GUO Yan-lin;  JIANG Lei-xin
Department of Civil Engineering, Tsinghua University, Beijing 100084, China
Keywords:
brace with dual ribbed rectangular hollow;  ribbed panel;  long screw connector;  overall buckling;  local buckling between ribbed panels
PACS:
TU391
DOI:
-
Abstract:
Authors presented a new type of buckling-restrained brace(BRB)assembled with dual ribbed rectangular hollow. The mechanical behaviors of the ribbed BRB were intensively investigated theoretically, and the corresponding design methods including the requirements of the stiffness and bearing capacity of outer restraining subassembly, the controlling conditions of the distance between ribbed panels, as well as the cross-sectional area of the long screw connectors were proposed based on sufficient numerical examples using the finite element fiber model. Meanwhile, the mechanical regulation and working mechanism were revealed. The hysteretic behavior of BRB was also studied to investigate the influence of outer restraining subassembly. Analysis results show that the design method achieved in the paper will provide reference and guidance for the engineering applications.

References:

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Last Update: 2010-06-20