Methods for monitoring scour from large-diameter heat probe tests

Amirmojahedi, M. and Akib, S. and Basser, H. and Raymond Ooi, C.H. (2016) Methods for monitoring scour from large-diameter heat probe tests. Structural Health Monitoring, 15 (1). pp. 38-49. ISSN 1475-9217, DOI

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Scour is the main cause of bridge failures. Monitoring of bridge scour is an essential method to control the damages caused by flood events. In this study, a large-scale tube consisting of heating and temperature-sensing elements was developed, and its application for detecting saturated soil and water was analyzed. Laboratory experiments confirmed the applicability of the thermal sensor for scour-monitoring purposes. Three methods are proposed in this article for analyzing the data obtained from a heat probe. A linear relationship between temperature increase from the initial to the secondary time and heat production in the probe was observed, and a line that can be used to determine scour was introduced. This method is simple and can be used for low-cost, large-diameter heat probes that are easy to fabricate.

Item Type: Article
Funders: University of Malaya (UM.C/625/1/HIR/61, account no. H-16001-00-D000061)
Uncontrolled Keywords: Scour; Conductivity; Convection; Thermometry; Heating
Subjects: Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 05 Oct 2017 06:02
Last Modified: 05 Oct 2017 06:02

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