World-first forensic tool for fire-damaged concrete structure

How do we know when to fix or rebuild a concrete structure after a fire? A new forensic technique might have the answer.

A man wearing blue overalls, drilling into thick concrete
With a portable hand drilling device, samples of only 1~2 g are being taken at every 10 mm depth, up to 40 mm so that the least damage to the concrete specimen is achieved. Credit: Korea Institute of Civil Engineering and Building Technology (KICT)