CORROSION SENSOR FOR CONCRETE STRUCTURES AND METHOD OF DETECTING CORROSION

PROBLEM TO BE SOLVED: To provide a corrosion sensor capable of quickly measuring the degree of corrosion of a concrete structure and performing long-term monitoring of the same.SOLUTION: A corrosion sensor 10 for detecting the degree of corrosion of a steel material in a concrete structure 1 is provided, comprising an electrical wire 3a to be electrically connected to the steel material, contact members 50 that are placed on a surface 1a of the concrete structure 1 and contain ionic liquid 51, reference electrodes 40 that are placed on the surface 1a of the concrete structure 1 with the contact members 50 in between and electrically connected to the contact members 50, and a voltage detector 60 for detecting voltage between each reference electrode 40 and the electrical wire 3a.SELECTED DRAWING: Figure 2 【課題】コンクリート構造物の腐食状態を短時間で測定できると共に、長期的に監視可能な腐食センサを提供する。【解決手段】コンクリート構造物１中の鋼材の腐食状態を検出する腐食センサ１０であって、鋼材に電気的に接続される電線３ａと、コンクリート構造物１の表面１ａに配置され、イオン液体５１を含む接触部材５０と、接触部材５０を介してコンクリート構造物１の表面１ａに配置され、接触部材５０と電気的に接続された照合電極４０と、照合電極４０と電線３ａとの間の電圧を検出する電圧検出部６０とを備える。【選択図】図２