NTU assistant professor Yang En-Hua, holding the bendable concrete his team invented.
Courtesy Nanyang Technological University, Singapore NTU assistant professor Yang En-Hua, holding the bendable concrete his team invented.

Concrete is dense and durable, but also inflexible and brittle. Researchers at Nanyang Technological University (NTU) and NTU-JTC Industrial Infrastructure Innovation Center (I3C), both in Singapore, are seeking to change that. They added polymer microfibers to the typical mix of water, cement, gravel, and sand. The result is ConFlexPave, a bendable concrete product that is thinner and lighter than its conventional counterpart. Because it's less prone to cracking, it requires less frequent maintenance. However, when maintenance is required, workers can replace individual slabs because the material can be pre-cast, rather than tearing up the entire area for resurfacing. So far, ConFlexPave has been tested on a small, tablet scale in the NTU lab, but the team is hoping to test it on a larger scale over the next three years. [Nanyang Technological University]

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