Chloride penetration of concrete under freeze and thaw environment with diverse deicer

??? ??????????????? ???????????? ???????????? ?????? ??????????????? ?????? ???????????? ??????????????? ??? ???????????? ????????? ?????? ????????? ???????????? ?????? ?????? ??? ?????? ???????????? ????????? ????????? ????????? ?????????. This research aims to figure out intensity of chloride ion attack regarding chemical contents of deicing salt toward to normal OPC used concrete under freezing and thawing cycle. The surface chloride ion content and rate of chloride ion ingress was expressed to compare the intensity of chloride ion attack on concrete.??? ????????? 2015?????? ??????(?????????????????????)??? ???????????? ????????????????????? ????????? ?????? ????????? ?????????????????? ???(No. 2015R1A5A1037548