SEI New Orleans Chapter invited Dr. Mohammad S. Khan, P.E. (Executive Vice President, High Performance Technologies, Inc., Herndon, VA) to present a 2-hour seminar on August 21 2019. Dr. Khan presented various testing and inspection techniques for transportation and offshore and marine structures. This presentation reviews and analyzes various above-water and underwater techniques that can be used for transportation and offshore and marine structures. Above-water techniques include visual inspections, chloride ion analysis, carbonation depth measurement, half-cell potential measurement, corrosion rate measurement, strength testing, and petrographic analysis. Whereas, the underwater techniques include diver-assisted visual inspections, real-time video imaging, ultrasonic imaging, modified versions of some of the above-water techniques, sonic-echo, impulse response, ultrasonic guided waves (UGW), and limited semi-destructive testing.
This seminar was attended by about 40 members. The seminar presentation can be downloaded from ASCE New Orleans Branch website under SEI NO tab.