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When bridges, dam walls and concrete foundations form cracks, AAR is often the cul-prit: the alkali-aggregate reaction. It causes the concrete to swell and renders renova-tions or even ...
This structure in Tuscany holds clues to why Roman concrete is still so strong. J.P. Oleson. As sea levels rise and shorelines erode, the hunt is on for ways to protect the millions of people that ...
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