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Experimental study of framed structure with and without infill walls

The influence of unbonded imperfectly fitting infill walls on the behavior of a model structure is investigated by carrying out lateral-load tests before and after walls have been placed

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Abstract

The construction of a model steel frame with imperfect fitting unbonded infill walls which were cast within the frame is described. Static lateral-load tests were carried out both before and after the walls were cast in the frame. The rigidity of the model foundation was investigated. Experimental techniques are described and selected results are presented to demonstrate the interaction of the infill walls and frame. The imperfect fit of the walls was found to have a major effect on structural behavior.

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Abbreviations

[f]:

array of slopes of load-deflection curves for model without walls

[f]1 ω :

array of initial slopes of load-deflection curves for model with walls

[f]2 ω :

array of final slopes of load-deflection curves for model with walls

[γ1]:

matrix obtained by dividing each element of [f] by the corresponding element of [f]1 ω

[γ2]:

matrix obtained by dividing each element of [f] by the corresponding element of [f]2 ω

References

  1. Hanson, R. D. andDegenkolb, H. J., “The Venezuela Earthquake, July 29, 1967,”Am. Iron and Steel Inst., New York (1969).

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  2. Dawson, R. V., “An Analytical and Experimental Study of the Lateral Load Response of Framed Structures Before and After the Inclusion of Infill Walls,” PhD thesis, The Univ. of Calgary (December, 1972).

  3. Stafford Smith, B., “Lateral Stiffness of Infilled Frames,”J. Struct. Div., A.S.C.E., 88 (ST6),163–174 (December, 1962).

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Authors and Affiliations

  1. Special Services Department, Acres Consulting Services Limited, Niagara Falls, Ontario, Canada

    R. V. Dawson (Senior Engineer)

  2. Department of Civil Engineering, The University of Calgary, Calgary, Alberta, Canada

    M. A. Ward (Professor and Head)

Authors
  1. R. V. Dawson
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  2. M. A. Ward
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Dawson, R.V., Ward, M.A. Experimental study of framed structure with and without infill walls. Experimental Mechanics 15, 89–95 (1975). https://doi.org/10.1007/BF02320637

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  • DOI: https://doi.org/10.1007/BF02320637

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