Fig. 1. Damage type of reinforced earth retaining wall (KEC, 2017)
Fig. 2. Damage of reinforced earth retaining wall related to drainage (KEC, 2017 ; Yonhap News Press Release)
Fig. 3. Mechanism of concrete deterioration by chloride ion (KRIA, 2011)
Fig. 4. Corrosion of rebar (KRIA, 2011)
Fig. 5. Plan and longitudinal section views of reinforced earth retaining wall
Fig. 6. Shape of reinforced earth retaining wall damaged by chloride attack
Fig. 7. Foundation scour
Fig. 8. Segmentation of measurement area
Fig. 9. Measurement result
Fig. 10. Cause analysis result
Fig. 11. Reinforcement range
Fig. 12. Determined reinforcement method
Fig. 13. Detail of reinforcing method for drainage
References
- Korea Remicon Industry Association (2011), Concrete Technology Information, Technical Committee of Korea Remicon Industry Association, pp. 1-8.
- Korea Expressway Corporation (2017), Development of Reinforced Earth Retaining Wall Stability Evaluation and Repair & Reinforcement Techniques, Korea Expressway Corporation.
- Ministry of Land, Transport and Maritime Affairs and Facilities Safety Corporation (2012), Detailed Inspection and Precision Safety Diagnosis Guide (Retaining Wall), Ministry of Land, Transport and Maritime Affairs.
- Ministry of Land, Transport and Maritime Affairs (2013), Provisional Guidelines for Design, Construction and Maintenance of Reinforced Earth Retaining Walls, Ministry of Land, Transport and Maritime Affairs.