Methods for monitoring scour from large-diameter heat probe tests

Mohsen Amirmojahedi, Shatirah Mohamed Akib, Hossein Basser, C. H. Raymond Ooi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)38-49
Number of pages12
JournalStructural Health Monitoring
Volume15
Issue number1
DOIs
Publication statusPublished - Jan 2016

Keywords

  • Scour
  • conductivity
  • convection
  • thermometry
  • heating
  • TURBULENT FREE-CONVECTION
  • CORRELATING EQUATIONS
  • THERMAL-CONDUCTIVITY
  • BRIDGE PIER
  • LAMINAR
  • CYLINDER
  • ABUTMENT
  • SYSTEM
  • ANFIS

Cite this

Amirmojahedi, M., Mohamed Akib, S., Basser, H., & Ooi, C. H. R. (2016). Methods for monitoring scour from large-diameter heat probe tests. Structural Health Monitoring, 15(1), 38-49. https://doi.org/10.1177/1475921715620004