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Japanese construction company to realize construction with geopolymer instead of cement

21:04 | 02/10/2022

(Construction) - Japanese construction company Nishimatsu Corporation and the University of Kitakyushu announced on September 9 that they have established a research group for the construction of buildings using geopolymer, an alternative construction material.

Japanese construction company to realize construction with geopolymer instead of cement
Illustration photo (internet)

Geopolymer is made from industrial byproducts from coal-fired power plants such as fly ash solidified with a special solution. Compared to concrete made with cement, geopolymer is expected to reduce carbon dioxide emissions. The study group will examine manufacturing and construction methods and costs for application to buildings, and sort out legal issues, with a target date of FY2025.

The study group was established in May with support from the research organization founded by Fukuoka Prefecture and has been active since this summer. Geopolymer is manufactured by solidifying fly ash, which is ash produced during combustion at coal-fired power plants, and blast furnace slag fine powder, which is produced in the steelmaking process, with a special solution. It is estimated that when a structure is constructed with geopolymer, CO2 emissions can be reduced by about 80% compared to conventional buildings made with cement, helping to realize a low-carbon society. Nishimatsu has been working on the development of the technology since 2010. (2022/09/12)

The Daily Engineering and Construction News of Japan

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