KSCE Journal of Civil Engineering

, Volume 23, Issue 4, pp 1725–1732 | Cite as

Transformation from Measured Strains to Viscoelastic Stresses considering Temperature History for Concrete Dams

  • Yaoying HuangEmail author
  • Lei Xiao
  • Tengfei Bao
Structural Engineering


Strain and stress monitoring is an important approach for evaluating the stress state of concrete dams. Since the hydration rate of cement increases with increasing temperature, the parameters of the thermal and mechanical properties of concrete are related to its temperature and temperature history. However, the influence of temperature history has not been taken into account in theories of transformation from measured strains to stresses used for analysis of concrete dams. Hence, significant errors can occur in stress evaluations of concrete dams. In this paper, based on the equivalent age theory and deformation method, we investigate a transformation equation from measured strains to viscoelastic stresses that considers the temperature history and describe the calculation steps in detail. The new algorithm is implemented by a comparative analysis of the viscoelastic stresses transformed from measured strains with and without considering the temperature history for a typical concrete dam located in northwestern China. The analysis results show that the trends of the transformed stresses with and without considering the temperature history are essentially the same, while the maximum normal stress difference is 0.49 MPa in the early stage.


concrete dam measured strain temperature history equivalent age stress evaluation 


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Copyright information

© Korean Society of Civil Engineers 2019

Authors and Affiliations

  1. 1.College of Hydraulic & Environmental EngineeringChina Three Gorges UniversityYichangChina
  2. 2.College of Water Conservancy and Hydropower EngineeringHohai UniversityNanjingChina

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