Warm study to melt black ice

DL E&C to develop thermal concrete that wins cold waves with partner companies
Promote R&D performance sharing system with business partners to strengthen management

Exothermic Concrete Research

Reporter Lim Seong-ji, the Korea Construction Newspaper = Heavy snowfall and cold waves in winter threaten the safety of citizens. Recently, a lot of snow fell in Seoul and other metropolitan areas, causing serious traffic jams. In particular, Black Ice, called the’Assassin on the Road’, is famous for unwelcome visitors in winter.

It is a phenomenon in which thin ice is formed on the road where it was rained or snowed as the temperature suddenly decreased. Because the ice is very thin and transparent, it is difficult to check it with snow. It occurs mainly in the connecting part of the bridge, the entrance to the tunnel, and in the shaded curve.

DL E&C is researching concrete that generates heat by electricity so that it can be operated safely even in winter. It is a R&D performance sharing system developed by DL E&C overseeing the planning and performance management of research, and jointly developed by JEO Co., Ltd. and Hyun-I Co., Ltd.

DL, which was launched this year, plans to strengthen ESG (environmental, social responsibility, governance) management. Accordingly, DL E&C is conducting various technology development and support activities by jointly selecting R&D projects with partner companies in order to strengthen the competitiveness of partner companies.

The concrete being developed by DL E&C can control the temperature by using carbon nanotubes, an advanced material through which electric current flows. The key to this study is how to effectively generate heat by mixing a tube-shaped carbon material made of small particles into concrete.

In addition, the goal is to secure economic feasibility with low power. DL E&C has already verified the ability to heat up to about 60°C with less power than the mobile phone charging current. In the future, additional research and development plans to secure commercially available quality and constructability.

Kim Dong-jin, a researcher at DL E&C, predicts that “when the development of low-power heat-generating concrete is completed, it will be of great help in preventing traffic accidents in winter.” The possibility of being utilized is open.”

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