This paper presents an experimental study conducted to evaluate the bond strength of Reactive powder concrete (RPC) between existing and fresh regular concrete. For this slant shear and Bi-surface shear test is used. According to obtained measured value bond strength is higher in fresh concrete to RPC rather than existing concrete to RPC. Analysis of results indicated that the highest value of bond strength was achieved in slant shear test than Bi-surface shear test. Various silica fume content ranging from 15% to 30% are used in the mixed proportion. Bond strength increases with silica fume content,the optimal silica fume content is between 20% and 25% , given the conditions of the experimental program.

Author Name: Dipali S.Nagaonkar, Jyoti P. Bhusari

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Keywords: IJSER,2229-5518, 22295518,Dipali S.Nagaonkar, Jyoti P. Bhusari

ISSN: 22295518

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