USING FIBER BRAGG GRATING SENSORS TO MEASURE CORROSION OF STEELS IN CONCRETE —LAB EXPERIMENTAL TEST AND IN-FIELD APPLICATION

摘要：

In this paper,a new corrosion sensor using fiber Bragg grating (FBG) to monitor corrosion of steel rebars embedded in concrete structures is presented. The mechanism is based on the fact that the increase in the diameter of the reinforced steel due to corrosion can be obtained by detecting the strain variation of the optical fiber using FBG. The corresponding experimental results indicated that this new type of corrosion sensor can be effectively used for monitoring the early corrosion of a rebar,and the degree of corrosion can also be manifested. Finally,this type of sensor is applied to monitor the corrosion of steel rebars in Xiang an Sub-sea tunnel,which has the largest cross-section among all the sub-sea tunnels in China.

作者: Zhupeng Zheng Hongcheng Huang Ying Lei

作者单位: School of Architecture and Civil Engineering,Xiamen University,Xiamen 361005,P.R.China College of Civil Engineering,Tongji University,Shanghai 200092,P.R.China

会议类型: 国际会议

会议名称: The International Symposium on Innovation & Sustainability of Structures in Civil Engineering(2011年土木工程结构创新与可持续发展国际会议)

会议地点: 厦门

会议语种:英文

页码: 1115-1121

在线出版日期: 2011-10-28（万方平台首次上网日期，不代表论文的发表时间）