Recently, the concern on the deterioration of concrete due to de-icing salts and its counter measurements has been increased. This paper discusses the results from investigation of pre-mature deteriorated existing road-subsidiary concrete structures and the specification of concrete quality.

• 김홍삼(한국도로공사 도로교통연구원, 책임연구원) | Kim, Hong-Sam
• 김진철(한국도로공사 도로교통연구원) | Kim, Jun-Cheol
• 김기환(한국도로공사 도로교통연구원) | Kim, Ki-Hwan