Abstract
This paper describes an experimental investigation on the carbonation of Portland pozzolan cement (PPC) concrete with marble dust (MD). The five PPC concrete mixes containing MD (up to 20%) were prepared with three different water–cement ratios (0·5, 0·6 and 0·7). All the concrete cube specimens were exposed to natural atmospheric carbonation after 28 d of moist curing. It was observed that the use of 10% MD enhanced the compressive strength of concrete and the carbonation coefficient decreased with an increase in MD content.
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