10-2012-0046143 (2012.05.02) / 10-1384165 (2014.04.04)
10-2012-0046154 (2012.05.02) / 10-1320689 (2013.10.14)
10-2012-0046157 (2012.05.02) / 10-1384167 (2014.04.04)
10-2012-0060700 (2012.06.07) / 10-1383159 (2014.04.02)
201310157758.1 (2013.05.02) / ZL201310157758.1 (2016.01.20)
10-2014-0095520 (2014.07.28) / 10-1721247 (2017.03.23)
토질및기초기술사회 2014 가을기술발표회, pp.1 - 53, 2014