Date of Award

9-30-2020

Document Type

Thesis

Degree Name

Engineering, MSE

First Advisor

Zahid Hossain

Committee Members

Ashraf Elsayed; Shubhalaxmi Kher

Call Number

LD 251 .A566t 2020 H49

Abstract

Corrosion potential of metallic structures in alluvial soils is governed by chemical and electromagnetic properties of the soils. Geotechnical engineers are generally more concerned about soil types and their physical and mechanical properties than the chemical properties. The main objective of this study is to analyze the geotechnical, electrochemical and electromagnetic properties of soils in Arkansas. Important parameters (e.g., soil resistivity) related to corrosion potential of metal culverts have been predicted through neural network (NN) models. The developed NN models have been trained and validated using laboratory test results of soil samples collected from Arkansas Department of Transportation (ARDOT), survey data obtained from the United States Department of Agriculture (USDA) and Arkansas Department of Environmental Quality (ADEQ). Finally, Geographic Information System (GIS) based corrosion risk maps for three different types of metal pipes have been developed based on the available soil properties, metal properties, and water quality data. The developed maps will help ARDOT engineers assess corrosion potential of metal pipes prior to new construction and repair projects, and consequently use proper culvert and cross drain materials.

Rights Management

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Share

COinS
 
 

To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.