Many bridges in the Northeast United States suffer from severe damage due to corrosion of rebars in many part of the structure including columns. Replacement of such a large inventory of damaged columns is not a practical solution. Furthermore, many conventional repair methods such as patching with new concrete and welding rebars have proven ineffective, time consuming, and costly.
CarbonWrap™ Solutions, LLC provided the States with an effective and economical solution involving filling the spalled areas with high strength PolyCon500, and wrapping the column with CarbonWrap™ fabric. The polymer based PolyCon500 created a super strong bond with the old concrete, eliminating the possibility of failure at the cold joint. The high strength CarbonWrap™ fabric made up for the Lost steel area due to corrosion and protected the steel from future corrosion caused by deicing salts, through sealing of the core concrete and steel.