Repair of Cracks in Concrete by Electrochemical Accretion of Minerals from Seawater: A Feasibility Study

摘要

For the rehabilitation of damaged concrete piles situated in coastal marine environment, the feasibility of sealing cracks in reinforced concrete by electrochemical accretion of seawater minerals in the cracks was investigated. Two different series of reinforced concrete specimens with induced cracks were subjected to the accretion processes under various combinations of accretion parameters (current level and time). The extent to which the accretion processes sealed the cracks and improved the structural quality of these specimens was assessed by the use of nondestructive inspection techniques such as neutron radiography and ultrasonic pulse velocity measurement.