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The influence of temperature and time on water-rock interactions based on the morphology of rock joint surfaces

  • Fei Wang
  • Ping Cao
  • Ri-hong Cao
  • Xin-guang Xiong
  • Ji Hao
Original Paper
  • 98 Downloads

Abstract

To study the influence of temperature and time on water-rock interactions, saturation experiments were conducted on ore rock and gneiss samples under different temperatures and soaking times. The rock joint surfaces of the soaked samples were scanned by a three-dimensional morphology measurement instrument. The mathematical statistical parameters, fractal parameters and power spectral densities of the rock joint morphology were obtained and investigated. As the immersion time increases, the parameters of the rock joint morphology increase, and the rates of increase are relatively stable, which indicate that time has a constant role in promoting water-rock interactions. Based on the constant influence of time, the effect of temperature on the water-rock interaction can be studied. As the saturation temperature increases, the rock joint morphology parameters increase, and the difference values of the joint morphology parameter increase first and then have a downward trend, reaching a maximum at 50 °C in the research. The results show that temperature alters the intensity of the water-rock interactions.

Keywords

Water-rock interaction Fractal parameters Joint surface morphology Temperature 

Notes

Acknowledgments

The authors would like to acknowledge these financial supports: Project (2017zzts164) supported by the Fundamental Research Funds for the Central Universities, China; Projects (11772358) supported by the National Natural Science Foundation of China.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Resources and Safety EngineeringCentral South UniversityChangshaChina

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