Methodologies for calibration testing of non-destructive monitoring techniques

Peter Bajorski; Lynne H. Irwin

doi:10.1117/12.2296762

27 March 2018 Methodologies for calibration testing of non-destructive monitoring techniques

Peter Bajorski, Lynne H. Irwin

Proceedings Volume 10599, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII; 105992D (2018) https://doi.org/10.1117/12.2296762
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

This paper presents statistical methodologies for calibration testing of non-destructive monitoring techniques. An example of a falling weight deflectometer (FWD), a device for non-destructive pavement testing is used here. These devices measure deflections of pavements subjected to impulse forces produced by falling weights. For the purpose of data collection, four FWDs were precisely calibration under laboratory conditions. Formal analysis based on statistical models showed marked differences among FWD readings and confirmed that the differences were statistically significant. The main tools used are an exploratory data analysis using graphical methods, and nested models with a continuous covariate and mixed effects.

Citation Download Citation

Peter Bajorski and Lynne H. Irwin "Methodologies for calibration testing of non-destructive monitoring techniques", Proc. SPIE 10599, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII, 105992D (27 March 2018); https://doi.org/10.1117/12.2296762

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