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Stability Analysis of Non-sway Modular Frame with Semi-rigid Connection(PDF)

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

Issue:
2016年01期
Page:
83-89
Research Field:
Publishing date:

Info

Title:
Stability Analysis of Non-sway Modular Frame with Semi-rigid Connection
Author(s):
CAO Ke LI Guo-qiang LU Ye
College of Civil Engineering, Tongji University
Keywords:
effective length factor stability analysis semi-rigid connection nonsway-modular frame
PACS:
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DOI:
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Abstract:
Based on Code for Design of Steel Structures(GB 50017—2003) and using the three column subassemblage model, a governing equation for determining the effective length factor of column for non-sway modular frame with semi-rigid connection was derived. Furthermore, the theoretical solution to evaluate the corresponding column effective length factor was proposed. The effectiveness and accuracy of the simplified calculation formulas were illustrated through comparing the theoretical calculation results and finite element analysis results. At last, influencing factors of effective length factor of column for non-sway modular frame with semi-rigid connection were investigated. The results show that the effective length factor is affected not only by the connection stiffness but also by the ratio of modified relative stiffness factor. When the ratio of modified relative stiffness factor is 1, the effective length factor doesn’t change with connection stiffness.

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Last Update: 2016-01-29