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These Engineers Are Using Bacteria To Create Self Healing Masonry
조회수 : 119 작성일 : 2018.03.21

These Engineers Are Using Bacteria To Create Self Healing Masonry 

 

 

Engineers from Cardiff University have started a two-year study that looks at using bacteria to automatically repair damage to masonry, like brickwork, building stone, marble and granite in buildings and historic structures.

"Preventing or recovering damage to buildings can be an extremely costly endeavor and will never be a permanent solution," said  Dr. Mike Harbottle, principal investigator, Cardiff University, School of Engineering. "With older structures, including those of historic or archaeological significance, considerable sums of money are spent each year repairing or preventing damage.

The study is using bacteria paired with trigger chemicals that will automatically repair damage to masonry structures, giving it self-healing properties, or autonomously repair the damage to the stonework.

 

Harbottle says that naturally occurring microorganisms like bacteria can produce mineral deposits when they're mixed with certain chemicals. Calcium carbonate, one of the primary components in masonry materials, is a mineral that's provided by bacteria. 

“A self-healing process would repair damage as it occurred without the need for human intervention, potentially saving significant amounts of money,” adds Harbottle.

Researchers at Binghamton University in New York announced in January 2018 that they were working on concrete that used a fungus mixed with nutrients to autonomously fill in cracks. 

“Our ultimate aim is to develop a system that can be applied, as a liquid, containing all of the necessary ingredients for buildings to heal themselves," said Harbottle. "This could then be retrofitted to building structures or embedded into masonry materials when structures are built, which would require no human intervention further down the line when damage occurs.”

 

 


Source: https://www.forbes.com/sites/jenniferhicks/2018/03/09/these-engineers-are-using-bacteria-to-create-self-healing-masonry/#2fa284dc6e1f

 

 

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