The effect of pretensioned FRP windings on the behavior of concrete columns in axial compression |
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| Authors: | E. Zīle M. Daugevičius V. Tamužs |
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| Affiliation: | (1) The Highest Prestige Scientific and Professional National Foundation, National Elites Foundation, Tehran, Iran;(2) College of Civil Engineering, Iran University of Science & Technology (IUST), Tehran, Iran;(3) College of Civil Engineering, Tafresh University, Tafresh, Iran |
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| Abstract: | This paper presents the results of an experimental investigation of concrete columns confined by wound pretensioned epoxy-impregnated carbon filament yarns. The yarn winding equipment, with the ability to set the desired pretension force and thereby to produce confined concrete specimens with different initial lateral pressure, was developed at the Institute of Polymer Mechanics. It is shown that the pressure in creases the axial stress at which intense internal cracking of concrete develops. |
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