2. PSD work & DIA results (IMAGE) National Research Council of Science & Technology Caption (a) 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. (b) Final outputs of fire-damaged temperatures at each depth where samples are taken and time-temperature curves at surface of the concrete specimen are resulted from computational work of DIA Credit Korea Institute of Civil Engineering and Building Technology (KICT) Usage Restrictions The sources of photos and research results from KICT must be specified. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.