Scholarly Research Excellence
%0 Journal Article
%A V. Spaeth and  A. Djerbi-Tegguer
%D 2013 
%J  International Journal of Civil, Environmental, Structural, Construction and Architectural Engineering
%B World Academy of Science, Engineering and Technology
%I International Science Index 73, 2013
%T Treatment of Recycled Concrete Aggregates by Si-Based Polymers
%U http://waset.org/publications/6929
%V 73
%X The recycling of concrete, bricks and masonry rubble
as concrete aggregates is an important way to contribute to a
sustainable material flow. However, there are still various
uncertainties limiting the widespread use of Recycled Concrete
Aggregates (RCA). The fluctuations in the composition of grade
recycled aggregates and their influence on the properties of fresh and
hardened concrete are of particular concern regarding the use of
RCA. Most of problems occurring while using recycled concrete
aggregates as aggregates are due to higher porosity and hence higher
water absorption, lower mechanical strengths, residual impurities on
the surface of the RCA forming weaker bond between cement paste
and aggregate. So, the reuse of RCA is still limited. Efficient
polymer based treatment is proposed in order to reuse RCA easier.
The silicon-based polymer treatments of RCA were carried out and
were compared. This kind of treatment can improve the properties of
RCA such as the rate of water absorption on treated RCA is
significantly reduced.
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