In this study, multiple regression analysis was conducted using traffic volume, temperature and strain, which are maintenance data of suspension bridge(Diamond Bridge in Busan). As a result of analysis, the influence of independent variables on the dependent variable, strain, was found to be .304 for light and compact car traffic, .476 for large and special car traffic and .167 for the average temperature of reinforced truss

• 박지현(부산시설공단 과장, 기술사, 박사과정) | Park, Ji-Hyun
• 김수용(부경대학교 토목공학과 교수, 공학박사) | Kim, Soo-Yong