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Post by Evil Yoda on May 24, 2015 12:05:43 GMT -5
This article describes an innovation in concrete. During the mix, it incorporates bacterial spores and calcium lactate; when cracks form, water reaches the biodegradable capsules containing these things. The bacteria consume the calcium lactate and excrete limestone, repairing the crack.
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Post by aponderer on May 24, 2015 13:25:17 GMT -5
It will be interesting to find out if the "bugged" concrete is as strong as uncracked concrete... Or will they need to develop a super bacillus...  |
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Post by Deleted on May 24, 2015 14:44:59 GMT -5
I have living concrete for my front porch but it only lives to self destruct. When a crack forms, salt can get down within and automagically accelerate the process.
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Post by Evil Yoda on May 24, 2015 15:29:23 GMT -5
My guess is the bacteria will mutate so they *eat* the concrete.
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Post by aponderer on May 27, 2015 5:50:01 GMT -5
My guess is the bacteria will mutate so they *eat* the concrete. Well, that's one way to get rid of a crack: turn it into a big gap...  |
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Post by Deleted on May 27, 2015 6:55:11 GMT -5
This article describes an innovation in concrete. During the mix, it incorporates bacterial spores and calcium lactate; when cracks form, water reaches the biodegradable capsules containing these things. The bacteria consume the calcium lactate and excrete limestone, repairing the crack. A bit late for the Hoover Dam though.  |
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Post by darave on May 27, 2015 8:54:15 GMT -5
I got a big gap at the top step that separated from the top slab. I guess the house has settled over 20 yrs. Not sure how to fix it there is no backing just a gap that goes down about 12 inches
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Post by aponderer on May 27, 2015 11:10:48 GMT -5
I got a big gap at the top step that separated from the top slab. I guess the house has settled over 20 yrs. Not sure how to fix it there is no backing just a gap that goes down about 12 inches So now the steps now form a unit separate from the rest of the porch? It may have started out as two separate units joined by mortar and either the porch unit or the steps unit settled more than the other. Does it look like the steps "unit" has tilted away from the porch "unit" at the top of the steps? Can you post some pics? |
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Post by darave on May 27, 2015 12:18:15 GMT -5
sorry I don't post picks not sure whats holding up the porch slab
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Post by com6063 on Jun 7, 2015 14:18:11 GMT -5
Sounds like a good plot for a horror film.
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