Concrete has been considered as a semi-permanent structural material in construction industry. However, durability of concrete member is affected by carbonation, chloride attack, and water, etc. Therefore, to avoid the deterioration of concrete surface treatment materials are applied. This study discusses the long-term performance and desirable quality of surface protection materials for expressway concrete structures.

• 김홍삼(한국도로공사 도로교통연구원 책임연구원, 공학박사) | Kim, Hong Sam
• 김진철(한국도로공사 도로교통연구원 책임연구원, 공학박사) | Kim, Jin Cheol
• 박민석(한국도로공사 도로교통연구원 책임연구원, 공학박사) | Park, Min Seok