The Self Healing Concrete project is not the first attempt at creating a cement mixture that stands the test of time. In 2009, researchers at the University of Michigan developed a flexible concrete while a year later Michelle Pelletier conceived of a concrete that would produce a sort of goo when a crack surfaced.
This time around, scientists from the TU Delft-wide Self-healing Materials research programme at the Delft Center for Materials (DCMat) have put together the Self Healing Concrete project, which involves the use of bacteria. When tension creates a crack in the cement surface and the bacteria is activated by water, a limestone substance is produced to fill it in.
The Self Healing Concrete project is currently undergoing extensive testing and can be commercialized in as little as two years.
Living Bacterial Cement
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