Sprayable Concrete Helps Protect Buildings from Earthquakes

Oct-13-17 The sprayable, reinforced EDCC concrete is both eco-friendly and earthquake resistant.

Developed by a team from the University of British Columbia, the ECDD (eco-friendly ductile cementitious composite) concrete is made by replacing almost 70 percent of the usual cement with fly ash, an industrial byproduct. The result is a sturdy, malleable material that is much more pliable than standard concrete, and that can be sprayed onto existing walls to offer additional protection against earthquake damage.

According to UBC Professor Nemy Banthia, the concrete has an added advantage: "By replacing nearly 70 percent of cement with fly ash, we can reduce the amount of cement used. This is quite an urgent requirement, as one ton of cement production releases almost a ton of carbon dioxide into the atmosphere."

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