Comments on Self-Healing Concrete Uses Bacteria For Healing
Is it possible that bacteria in buildings could play the role of your body's osteoblast cells - repairing their minor fractures? (Read
the complete story)
|"Beware of buildings with cancer!
( 9/5/2010 12:55:21 AM)
|"That's a pretty good comment; old buildings and other infrastructure (I'm thinking about bridges) do get a kind of "cancer" that eats them up, often starting as rust on the rebars inside the concrete. "
(Bill Christensen 9/5/2010 2:45:26 PM)
|"I just googled 'concrete cancer' and got some hits; check this out:
'Concrete Cancer, often identified by flaking concrete (concrete spalling) or rust stains which originate deep within the concrete is a serious problem. Often people mistake the signs for weathering caused by the elements, but whilst this may have a part in exacerbating the problem, the real problem lies within the concrete itself.
Concrete cancer is caused by rusted reinforcing from within the steel. As steel rusts it can expand up to 7 times its original size causing the surrounding concrete to be displaced. As the steel pushes the concrete away, more water gets to the steel expediting the process.'
Read more at Remedial."
(Bill Christensen 9/5/2010 2:47:38 PM)
|"Late in the new Battlestar Galactica they brought some "stuff" from the the Basestar to fix some of the cracks in Galatica."
(Bill Brown 9/10/2010 12:28:59 PM)
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