In the study, direct tensile test was conducted to perform statistical approaches to the maximum tensile strength of design strengths (120, 150 and 180 MPa), and then the direct tensile database construction was made to examine the reliability of the direct tensile test.

• 박지웅(한국교통대학교 건축공학과, 석사과정) | Park, Ji-Woong
• 지우람(한국교통대학교 건축공학과, 석사과정) | Ji, Woo-Ram
• 신기돈(한국교통대학교 건축공학과, 석사과정) | Shin, Ki-Don
• 이건철(한국교통대학교 건축학부 교수, 공학박사) | Lee, Gun-Cheol Corresponding author