Traditionally, researchers have considered aggregate-scale lime clasts in Roman concretes to be relicts of the concrete fabrication process. Researchers led by Massachusetts Institute of Technology instead argue that these clasts were purposefully included to provide the concretes with self-healing properties.
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Self-healing concrete can be made several ways. Researchers at University of Cambridge developed a method that involves mineral healing agents—delivered via microcapsules.
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Using a fungus called Trichoderma reesei, researchers at Binghamton University in New York are developing a self-healing concrete formulation that incorporates fungal spores that remain dormant until a crack forms.
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Inspired by the way the human body repairs bones and tissue, a researcher duo from Delft University of Technology has created self-repairing “bioconcrete” using bacteria and calcium lactate.
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Another insight into glass formation, methane conversion by copper zeolites, and other materials stories that may be of interest for July 8, 2015.
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This is look at Victor Li’s latest innovation: self-healing concrete. This is a form of concrete that forms many tiny cracks when overloaded instead of a few large ones, leading to a process in which the concrete effectively “heals” itself.
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