#ndt Infrasense Inc., one of the leading subsurface detection firms in the nation, recently completed a ground penetrating radar (GPR) survey to map the schedule of steel reinforcing bars within the Swan Pond River bridge in Dennis, Massachusetts. During a routine bridge inspection, a large spall was located along the underside of the bridge, motivating the need for a more in-depth evaluation of the structure to aid in determining the structural capacity of the bridge. The bridge evaluation required a non-destru
Source: NDT