Effect of Relative Stiffness of Beam and Column on the Shear Lag Phenomenon in Tubular Buildings

G. J. Singh*, S. Mandal**, Rajesh Kumar***
* Research Scholar, Structural Engineering, IIT (BHU) Varanasi, India.
** Associate Professor, Civil Engineering, IIT (BHU) Varanasi, India.
*** Associate Professor, Civil Engineering, IIT (BHU) Varanasi, India.
Periodicity:March - May'2015
DOI : https://doi.org/10.26634/jste.4.1.3466


Relative stiffness of beam and column plays an important role in design and analysis of any building. This paper presents the effect of varying stiffness in terms of cross section and moment of area of beam and column, and on shear lag phenomenon. Variation of axial force in the column is affected by the variation of stiffness of beam as well as column. It has been observed that the beam stiffness has more significant impact on the variation of the axial force and base bending moment of the tubular buildings. This impact of the beam stiffness may be understood in the terms of additional bending moment which is generated in the flange panel of the tubular buildings. Effect of increasing column stiffness has increased base bending moment in both flange and web columns due to increased rigidity of the building.


Keywords: Tubular Buildings, Relative Stiffness of Beams and Columns, Base Bending Moment, Shear Lag Phenomenon and Lateral Drift.

How to Cite this Article?

Singh, G.J., Mandal, S., Kumar, R. (2015). Effect of Relative Stiffness of Beam and Column on the Shear Lag Phenomenon in Tubular Buildings. i-manager’s Journal on Structural Engineering, 4(1), 32-38. https://doi.org/10.26634/jste.4.1.3466


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