Ground Penetrating Radar Detection for Bridge Bottom 

Congyou Zhang 

School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400074, China 

Abstract: Due to the superior properties of GPR, has been widely used in the field of civil engineering, this paper introduces the main working principle of GPR, application of GPR in bridge detection, and the prin-ciple and method of bridge detection application, the research of GPR Detection for long-span bridge floor the crack.

Keywords: Ground penetrating radar; Bridge floor; Crack; Bridge inspection