PARAMETER ANALYSIS OF STEEL REDUCED WEB CONNECTIONS AND STUDY ON THE FRAME ELEMENT STIFFNESS MATRIX

He Yibin; Huang Pin; Leng Qiaojuan; Xiao Alin; Guo Jian

doi:10.13204/j.gyjz201005023

Volume 40 Issue 5

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(5): 109-113

He Yibin, Huang Pin, Leng Qiaojuan, Xiao Alin, Guo Jian. PARAMETER ANALYSIS OF STEEL REDUCED WEB CONNECTIONS AND STUDY ON THE FRAME ELEMENT STIFFNESS MATRIX[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(5): 109-113. doi: 10.13204/j.gyjz201005023

Citation:

He Yibin, Huang Pin, Leng Qiaojuan, Xiao Alin, Guo Jian. PARAMETER ANALYSIS OF STEEL REDUCED WEB CONNECTIONS AND STUDY ON THE FRAME ELEMENT STIFFNESS MATRIX[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(5): 109-113. doi: 10.13204/j.gyjz201005023

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PARAMETER ANALYSIS OF STEEL REDUCED WEB CONNECTIONS AND STUDY ON THE FRAME ELEMENT STIFFNESS MATRIX

doi: 10.13204/j.gyjz201005023

1.
1. College of Civil Engineering,Hunan University,Changsha 410082,China;
2.
2. College of Civil Engineering,Tongji University,Shanghai 200092,China

Received Date: 2009-07-03
Publish Date: 2010-05-20

Abstract

Abstract

If the dimension of rectangular openings designed suitably in practical projects，pipes and wires will not only expediently pass through the beam web to reduce the story height of a building and increase economic benefits，but also move the plastic hinge far away from the connection. In this way，it can avoid the connection failure before the members，and ensures the structural integrity and make it no collapse. The dimension of openings and the distance between the opening and the column surface are determined by the restriction requirement for beam web by flange，the shear-bearing requirements of web，the ratio of the moment at beam end to the moment at reduced section and preventing compressive plate local buckling. While with openings on web，the element stiffness matrix of frame element and the internal force and displacements of structure will be affected out of question. Therefore，it is necessary to research the element stiffness matrix of frame element. In order to decrease the amount of calculation，the beam is handled as a link element. Virtual work theory is used to derive the element stiffness matrix of frame element with openings on web，and compared with the result of finite analysis method. It shows a satisfactory agreement between calculated and finite analysis results.
- beam-column connection,
- element stiffness matrix,
- virtual work theory,
- plastic hinge,
- rectangular opening,
- finite element analysis

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References(13)

References

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