This research developed the fiber pullout impact test machine to investigate interfacial bond strength between fiber and cement based matrix under high velocity. To achieve the goal, firstly the existing pullout test machines were investigated. And then, these drawback were comprehended. Finally, Fiber pullout impact test machine base on strain energy frame impact machine was proposed.

• 박준길(세종대학교 건설환경공학과, 박사과정) | Park, Jun-Kil
• 김동주(세종대학교 건설환경공학과,부교수) | Kim, Dong-Joo 교신저자