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Civil Engineering Faculty Research and Publications

Civil Engineering Faculty Research and Publications

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A Wire Indent Profiling System for the Assessment of Bond and Splitting Propensity of Prestressing Wires Used in Pretensioned Concrete Railroad Ties

Beck, B. Terry; Robertson, Aaron A.; Peterman, Robert J.; Riding, Kyle A. (Rural Railroad Safety Center, Kansas State University., 2021-04-01)

The focus of this research was the creation of an automatic non-contact laser-based indent profiling system for the purpose of rapidly assessing geometrical characteristics of indented wires used in the manufacture of ...
Developing a Prism Qualification Test to Ensure Adequate Splitting Resistance in Pretensioned Concrete Railroad Ties

Savic, Adrijana; Peterman, Robert J.; Beck, B. Terry; Riding, Kyle A. (Rural Railroad Safety Center, Kansas State University., 2021-03-01)

This report presents the results from research that evaluated the effect of wire indentation type, edge distance, and the strength of concrete at de-tensioning on longitudinal splitting in pretensioned concrete railroad ...
Effect of Concrete Composition on Splitting Cracks in Prestressed Concrete Railroad Ties: Application of Fracture Mechanics

Dastgerdi, Aref S.; Peterman, Robert J.; Beck, B. Terry; Riding, Kyle A. (Rural Railroad Safety Center, Kansas State University., 2021-03-01)

The effect of concrete composition on end-splitting cracks in pretensioned concrete members was investigated. Specific parameters included the effect of aggregate shape and content, water-to-cementitious (w/cm) ratio, fly ...
High Resolution 3D Optical Scanning of Crossties to Assess Cross-Sectional Parameters and the Effects of Long-Term Abrasion and Wear

Beck, B. Terry; Robertson, Aaron A.; Peterman, Robert J.; Riding, Kyle A. (Rural Railroad Safety Center, Kansas State University., 2021-03-01)

This report documents measurement of the 3D geometrical properties associated with prestressed concrete railroad ties that have been subject to long-term in-track loading. A commercially-available 3D laser-based optical ...
Use of 3D Non-Contact Profilometry to Quantify Indent Characteristics of Prestressing Wires Used in Pretensioned Concrete Railroad Ties

Haynes, Mark; Wu, Chih-Hang; Beck, B. Terry; Peterman, Robert J. (Rural Railroad Safety Center, Kansas State University., 2021-03-01)

The objective of this research was to investigate possible correlation between prestressing wire indent geometry and the performance of pretensioned concrete members fabricated with these same reinforcements. Thirteen (13) ...