Volume : III, Issue : VII, July - 2014
Flexural Behavior of Tbsfrc Subjected to Sustained Elevated Temperature
Dr Deepa A Sinha
Abstract :
A detailed investigation is made to study the flexural behaviour of steel fie reinforced concrete with ternary blends on the beam specimen when subjected to sustained elevated temperature of 200oC, 400oC, 600oC, 800oC and 1000oC for 3 hours and then allowed to cool. The mix design was carried out for M30 grade concrete which yielded a proportion of 1:1.86: 2.41 with a w/c ratio of 0.45. Before mixing, 30% of cement was replaced by (FA + SF) or (FA+GGBFS) or (FA+MK) according to the proportions such as (0+0), (30+0), (25+5), (20+10), (15+15), (10+20), (5+25) and (0+30) respectively. It has been found that the TBSFRC containing (FA+GGBFS) and (FA+MK) offer higher resistance to sustained elevated temperatures upto 600oC and 800oC, where as the blend containing (FA+SF) offers resistance only upto 400oC.
Keywords :
Flexural strength ternary blended steel fibre reinforced concrete fly ash silica fume metakaolin ground granulated blast furnace slag.
Article:
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DOI : 10.36106/ijar
Cite This Article:
Dr Deepa A Sinha Flexural Behavior of TBsFrc subjected to sustained
Elevated Temperature Indian Journal of Applied Research, Vol.4, Issue.7 July 2014
Number of Downloads : 682
Dr Deepa A Sinha Flexural Behavior of TBsFrc subjected to sustained Elevated Temperature Indian Journal of Applied Research, Vol.4, Issue.7 July 2014
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