Acta Geotechnica

, Volume 13, Issue 2, pp 447–455 | Cite as

Hydro-thermal coupled analysis for health monitoring of embankment dams

Research Paper
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Abstract

Measuring and analyzing internal dam temperature may provide insight into evaluating the integrity of earthen dams. Temperature in a dam, with the advent of modern distributed temperature sensing (DTS) technique, is conveniently measured. The analysis of the temperature is conducted based on a hydro-thermal coupled analysis technique. In this study, DTS-based temperature data and VS2DHI (a finite difference code for analyzing two-dimensional heat transport in porous media) were used to analyze the hydro-thermal coupled behavior in a dam. The results of this analysis show that the temperature variation in an earthen dam is closely related to seepage conditions. Additionally, a localized high-temperature (26 °C) zone found in the measured data of the dam, which raised concern to engineers on site, is explained through either hot water infiltration into the foundation layer or lower permeability of the foundation layer than the magnitude that appeared in the design document. These findings demonstrate that hydro-thermal coupled analysis has the potential for evaluating the integrity of earthen dams.

Keywords

Coupled analysis Embankment Health monitoring Sensor Temperature data 

Notes

Acknowledgements

Authors of this study appreciate funding provided from the University of Nebraska-Lincoln.

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Civil EngineeringUniversity of Nebraska-LincolnLincolnUSA
  2. 2.Department of Civil EngineeringUniversity of Nebraska-LincolnLincolnUSA
  3. 3.Department of Civil EngineeringKumoh National University of TechnologyGumiKorea

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