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IJSRP, Volume 8, Issue 6, June 2018 Edition [ISSN 2250-3153]



      John Nyiro Mwero, Sylvester Ochieng Abuodha

Abstract: "Reinforced concrete is a major material of construction in Kenya and the world over. A key component of this material is steel reinforcing bars. Sometimes these bars are bent wrongly, straightened and re-bent, resulting in the altering of their original characteristics. Some of such steel has been known to be used whereas some has been condemned as unfit for reinforcing purposes. This paper reports on an investigation into the residual properties of reworked steel reinforcement bars (R12, Y12, R16 and Y16), including yield strength, ultimate strength, modulus of elasticity and ductility. Comparison of these has been done against those of normal reinforcement bars using tensile tests and the results have shown that even though reworking these bars once reduces the strength and changes the other tensile properties, the extent of change is such that slight modification on the relevant design formulae can render these bars suitable for reinforcing concrete. "

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John Nyiro Mwero, Sylvester Ochieng Abuodha (2018); Residual Strength of Reworked Steel Reinforcement Bars; International Journal of Scientific and Research Publications (IJSRP) 8(6) (ISSN: 2250-3153), DOI: http://dx.doi.org/10.29322/IJSRP.8.6.2018.p7811

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