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Experimental investigations on polymer-modified concrete subjected to elevated temperatures
Abstract This paper presents the effect of elevated temperature and duration of exposures on polymer-modified concrete (PMC). Styrene Butadiene Rubber latex polymer solids were added in terms of 0, 5, 10 and 20 % by mass of cement. Curing of PMC specimen was done by the combination of wet and dry conditions. At appropriate ages, specimens were exposed to 200–800 °C for 1–3 h. The residual compressive strength was tested at 7 and 28 days. Micro structural properties were studied by XRD and SEM analysis. It was found that PMC and conventional concrete can be exposed to 400 °C for 3 h exposure without any adverse effect on strength properties. Addition of 20 % polymer was detrimental to concrete subjected to elevated temperature. Duration of exposure does not have much influence on the residual compressive strength properties of conventional concrete and PMC specimens.
Experimental investigations on polymer-modified concrete subjected to elevated temperatures
Abstract This paper presents the effect of elevated temperature and duration of exposures on polymer-modified concrete (PMC). Styrene Butadiene Rubber latex polymer solids were added in terms of 0, 5, 10 and 20 % by mass of cement. Curing of PMC specimen was done by the combination of wet and dry conditions. At appropriate ages, specimens were exposed to 200–800 °C for 1–3 h. The residual compressive strength was tested at 7 and 28 days. Micro structural properties were studied by XRD and SEM analysis. It was found that PMC and conventional concrete can be exposed to 400 °C for 3 h exposure without any adverse effect on strength properties. Addition of 20 % polymer was detrimental to concrete subjected to elevated temperature. Duration of exposure does not have much influence on the residual compressive strength properties of conventional concrete and PMC specimens.
Experimental investigations on polymer-modified concrete subjected to elevated temperatures
Muthadhi, A. (author) / Kothandaraman, S. (author)
2013
Article (Journal)
Electronic Resource
English
Experimental investigations on polymer-modified concrete subjected to elevated temperatures
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Experimental investigations on polymer-modified concrete subjected to elevated temperatures
| Online Contents | 2013
Experimental investigations on polymer-modified concrete subjected to elevated temperatures
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