Evaluating Corrosivity of Geomaterials in MSE Walls: Determination of Resistivity From Pore Water Chemistry

Walker, W Shane; Ghadimi, Shahrouz J.; Arciniega, Jose Luis; Nazarian, Soheil; University of Texas at El Paso. Department of Civil Engineering

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Evaluating Corrosivity of Geomaterials in MSE Walls: Determination of Resistivity From Pore Water Chemistry

2019-07-01
By Walker, W Shane ; Ghadimi, Shahrouz J. ; Arciniega, Jose Luis ; ...

[PDF-707.12 KB]

English

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Creators:

Walker, W Shane ; Ghadimi, Shahrouz J. ; Arciniega, Jose Luis ; Nazarian, Soheil

Walker, W Shane ; Ghadimi, Shahrouz J. ; Arciniega, Jose Luis ; Nazarian, Soheil Less -
Corporate Creators:

University of Texas at El Paso. Department of Civil Engineering
Corporate Contributors:

Rutgers University. Center for Advanced Infrastructure and Transportation
Subject/TRT Terms:

[+]

Corrosion Corrosive Materials Fills Ionic Composition Leachate Leach Test Mechanically Stabilized Earth Pore Water Resistance (Electricity) Resistivity Soils
Publication/ Report Number:

CAIT-UTC-NC38
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report, June 1, 2016 – January 15, 2019
Corporate Publisher:

University of Texas at El Paso. Department of Civil Engineering
Abstract:

It is critically important to predict the corrosivity of fill materials in mechanically-stabilized earth (MSE) walls which can cause corrosion of steel reinforcement and lead to structural failure. A common way of assessing the corrosivity of fill materials is to analyze readily soluble constituents such as chloride and sulfate. In this study, fill materials with a wide range of geological type and gradation were collected throughout the US and Canada and analyzed with several methods to extract soil leachate. An empirical model was developed to estimate the resistivity of soil leachates as a function of chloride, sulfate, and alkalinity concentrations, and this calculation can be used to corroborate laboratory testing results.
Format:

PDF
Funding:

DTRT13-G-UTC28
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:c5e200a9fd114042e24aa03d3e1192a77f73c5c752d6646d7fb4b15c41f7d8a1
Download URL:

https://rosap.ntl.bts.gov/view/dot/49168/dot_49168_DS1.pdf
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Evaluating Corrosivity of Geomaterials in MSE Walls: Determination of Resistivity From Pore Water Chemistry

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