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T-slag

Everyday we have a lot of works to do out of NR.
 
I’m not sure if you know this black, glossy, grainy object. If you are a guy from Kagawa with concrete structure, you might know. That’s right, it’s a Teshima-slag.
 
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When I last visited Kagawa prefecture, my friend taught me that Kagawa government has had a negative legacy. I asked him what kind of? He replied that one of Kagawa islands has been A garbage industrial waste collector.
 
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Now the problem is not solved. The government started to clear those wastes over 10 years ago. What kind of way is it? They built some disposal factories. Then those wastes were burned and crushed. So there are a lot of black materials called T-slag from the disposal sites.
 
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Next, they are mixed in concrete at least 10% with public construction not reinforced. At that time, the government opened an information. Those will come to an end for 7 years. Few years later, they said again. We found more waste in under ground. So it needs 10 years.
 
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Now 13 years passed from the start. The stock is a little. We can solve this thing till a few year, they said. Well, I hope the problem solves as soon as possible. But it must be never forgotten. So I picked it up for memory those black materials.
 
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Futami Takema from NR labo.

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