Evaluation, Presentation and Repair of Microbial
Acid-Produced Attack of Concrete
This project was conducted in cooperation with TxDOT and FHWA. The authors wish to
express their appreciation to the TxDOT personnel for their support throughout this study.
Special thanks are extended to Kevin Pruski as the project director, Duncan Stewart as Research
Engineer, Project Monitoring Committee (PMC) members Ryan Barbork, Doug Marino, Victoria
McCammon, Andy Naranjo, and Lloyd Wolf, and Sandra Kaderka as contract specialist. William
Pecht, Mickey Estlack, Edward Morgan, and the assistance of the TxDOT district engineers and
all the personnel that helped in conducting the laboratory and field studies is also acknowledged.
The authors would also like to thank Dr. Yoo-Jae Kim, Dr. Fatih Bektas, Dr. Soon-Jae Lee, Dr.
Clois Powell, Dr. Necip Guven, Dr. Gary Beall, Shane Arabie and Ted Cera for their assists in
this project, thanks also goes to all research assistants that involved in this study.