ENHANCING THE MECHANICAL AND DURABILITY PROPERTIES OF CEMENT MORTARS BY USING ALUMINA NANOCOATING ON CARBON NANOFIBERS _______________________________________ A Thesis presented to the Faculty of the Graduate School at the University of Missouri-Columbia _______________________________________________________ In Partial Fulfillment of the Requirements for the Degree Master of Civil and Environmental Engineering _____________________________________________________ by Huda Jamal Noori Al Qader Dr. Hani Salim, Thesis Supervisor MAY 2021