The newly-developed self-mobilizing space frame system is the equipment possible to adjust frame width and height per various road tunnel sizes. Main purpose of this system is to maintain road tunnels without blocking lanes. Therefore, it does not affect traffic and completes maintenance work quickly as compared to current method.

• 김도환((재)포항산업과학연구원 건축건자재연구본부 책임연구원, 공학박사) | Kim, Do Hwan 교신저자
• 이동규(세종대학교 건축공학과 조교수, 공학박사) | Lee, Dong Kyu
• 노필성(유진구조이엔씨 소장, 공학박사) | Noh, Phil Sung
• 박성수(부산대학교 건축공학과 교수, 공학박사) | Park, Sung Soo