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I talk to one of the people involved at Clawson
Concrete in Mich. he told me that this system was developed in Japan and is a
special mix using a type (F) fly ash. Where the special fiber comes from I
was not able to determine. But he said is was expensive. Also there
is some type of additive that is a inhibitor that has to do with affecting the
water in the mix. He also said that there is no aggregate in the
mix. It has been used in Mich. in a number of test applications in some
bridges and other areas, the long term durability may still be in question but
it appears to be an excellent product. Any more info anybody can find out
would be greatly appreciated.
Brian
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