Investigators: H. Celik Ozyildirim, Ph.D., P.E., Stephen R. Sharp, Ph.D., P.E.

Investigators: Mary Sharifi, Bernard L. Kassner, Ph.D., P.E., Gabriel Arce, Ph.D., H. Celik Ozyildirim, Ph.D., P.E.

Investigators: Harikrishnan Nair, Ph.D., P.E., Ilker Boz, Ph.D., P.E.

Investigators: Ilker Boz, Ph.D., P.E., Stacey D. Diefenderfer, Ph.D., P.E.

Investigators: H. Celik Ozyildirim, Ph.D., P.E., Jason T. Provines, P.E., Stephen R. Sharp, Ph.D., P.E.

Investigators: Ilker Boz, Ph.D., P.E.

Investigators: T. Donna Chen, Lance E. Dougald

Investigators: Gerardo Flintsch, Bilin Tong, Brian K. Diefenderfer, Ph.D., P.E., Stacey D. Diefenderfer, Ph.D., P.E.

Investigators: Edward J. Hoppe, Ph.D., P.E., M. Shabbir Hossain, Ph.D., P.E.