Instead of bricks, fly ash blocks have been used for the structure.

In a moment they were both inside, and the tumult of the flying ash cut off as the door closed.

It would use the fly ash generated by the thermal power plant.

Fly ash went up the side of the mountain."

Some varieties of fly ash brick gain strength as they age.

It was the largest fly ash release in United States history.

The ceramic particles in fly ash have three types of structures.

Of course you'd expect to find fly ash at any period since people began burning coal in quantity.

Fly ash was also utilized in the mix design.

The highly toxic fly ash must be safely disposed of.

In 1999, he was given some fly ash by a client, and decided to compress it "just to see what would come out."

In addition to water sampling, fly ash samples were also collected at the point of release.

Fly ash can also significantly improve the workability of concrete.

In India, fly ash bricks are used for construction.

Once removed, the fly ash byproduct can sometimes be used in the manufacturing of concrete.

In many cases there will also be Portland cement substitutes added, such as fly ash.

"The fly ash will actually work with the concrete in the product and make a product that's as strong."

Fly ash from incinerators and some auto pollution falls into that range.

This gives fly ash a consistency somewhat like talcum powder.

Because fly ash addition allows a lower concrete water content, early strength can also be maintained.

Fly ash is well suited for use in flowable fill mixtures.

Many dams in the US have been constructed with high fly ash contents.

Examples include former fly ash seepage and the site of an acid spill.

Cements blended with fly ash are becoming more common.

The rest of the ash leaves as fly ash.