Lateral movement of bridge abutment is frequently causing damages to the expansion joints, bearings, bridge backwall and settlement of approach slabs. This result in high maintenance cost and inconvenience to road users. In this study, about 1,000 bridges which was lateral movement occur were investigated. Based on the inverstigation, some suggestions to minimize the lateral movements of abutment were proposed to include reinforcement method of lateral movements occurred bridges.

• 이상래(한국도로공사 도로교통연구원 안전연구실 선임연구원, 박사수료) | Lee, Sang Rae
• 박창호(한국도로공사 도로교통연구원 구조물연구실 실장, 공학박사) | Park, Chang Ho
• 김경석(한국도로공사 도로교통연구원 경영전략연구실 책임연구원, 공학박사) | Kim, Kyung suk