Spatial Variability Effects of Wall Erosion on Assessment of Reinforced Concrete Sanitary Sewer Pipes (RCSSPs)
Publication: Tran-SET 2022
ABSTRACT
Sanitary sewer pipes make up a large portion of the nation’s buried infrastructure. New inspection technologies such as LiDAR have recently been employed for rapid condition assessment of RCSSPs. LiDAR inspection data can be used to quantify concrete wall erosion and subsequently assess their condition as opposed to the conventional qualitative evaluation. The current study investigates the effect of different zones across the pipe circumference on determining wall erosion for an inspected pipe using three different assessment methods. The results show that there are statistically significant relationships between the mean concrete erosion of different cases. In addition, the underlying erosion behavior of the 60o–120o sector of pipe is different from other cases. Results of this paper seek to enhance the knowledge of condition assessment of RCSSPs and pave the way for integrating the raw inspection data into rapid assessment tools for RCSSPs.
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Tran-SET 2022
Pages: 330 - 338
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Published online: Dec 13, 2022
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