Advancements in pervious concrete technology by John Tristan Kevern A dissertation submitted to the graduate faculty in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Civil Engineering Program of Study Committee: Vernon R. Schaefer, Major Professor Kejin Wang, Major Professor R. Christopher Williams Amr Kandil William Simpkins Iowa State University Ames, Iowa 2008 Copyright © John Tristan Kevern, 2008. All rights reserved.