![]() ![]() This research project will document, monitor, and assess the field implementation of a UHPC overlay produced with local materials on New Mexico Bridge # 9706 in Socorro, NM. Previous research has demonstrated that ultra high-performance concrete (UHPC) has the potential to increase service lives of bridge deck overlays and subsequently, the underlying concrete deck, because it has exceptional durability properties and contains silica fume that facilitates bond to substrate concretes. However, the New Mexico Department of Transportation (NMDOT) has observed that polyester polymer concrete overlays are expensive and often need rehabilitation in just a few years. Polyester polymer concrete overlays are currently the most popular choice in New Mexico. ![]() Typical concrete overlay materials for existing bridge decks include latex-modified concrete, low slump dense concrete, and polyester polymer concrete. R919030 – UHPC (Phase-V) Thin-Bonded Overlay on Deteriorated Bridge Decks ![]()
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