Preparation of modified asphalt emulsion concrete for steel bridge protection

Author(s): I.M.Ibrahim, A.M.M.Abd El Rhman, M.El-Shafie

The study investigates the effect of modified asphalt emulsion on concrete protective course for steel bridges. Modified asphalt emulsion concrete protective course (MAECPC) is a mixture of asphalt emulsion, latex emulsion polymer and aggregates. The strength performances of the MAEC were tested through laboratory experiments. The results showthat theMAEC has better performance, cracking resistance, bending strength, abrasion resistance and the linear contraction coefficient compared with Portland cement concrete (PCC), and stone mastic asphalt (SMA). It could be concluded that MAEC is a good material for protective course of railway bridge deck.

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